{"id":1694,"date":"2025-07-17T11:18:20","date_gmt":"2025-07-17T11:18:20","guid":{"rendered":"https:\/\/www.tsfactory.com\/forums\/?p=1694"},"modified":"2025-07-17T11:18:20","modified_gmt":"2025-07-17T11:18:20","slug":"hackers-leverage-microsoft-teams-to-spread-matanbuchus-3-0-malware-to-targeted-firms","status":"publish","type":"post","link":"https:\/\/www.tsfactory.com\/forums\/blog\/hackers-leverage-microsoft-teams-to-spread-matanbuchus-3-0-malware-to-targeted-firms\/","title":{"rendered":"Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms"},"content":{"rendered":"<p>Cybersecurity researchers have flagged a new variant of a known malware loader called\u00a0<b>Matanbuchus\u00a0<\/b>that packs in significant features to enhance its stealth and evade detection.<\/p>\n<p>Matanbuchus is the name given to a malware-as-a-service (MaaS) offering that can act as a conduit for\u00a0<a href=\"https:\/\/thehackernews.com\/2023\/09\/shadowsyndicate-new-cybercrime-group.html\" target=\"_blank\" rel=\"noopener\">next-stage payloads<\/a>, including Cobalt Strike beacons and ransomware.<\/p>\n<p>First\u00a0<a href=\"https:\/\/thehackernews.com\/2022\/06\/researchers-warn-of-matanbuchus-malware.html\" target=\"_blank\" rel=\"noopener\">advertised<\/a>\u00a0in February 2021 on Russian-speaking cybercrime forums for a rental price of $2,500, the malware has been put to use as part of\u00a0<a href=\"https:\/\/thehackernews.com\/2024\/06\/cybercriminals-exploit-free-software.html\" target=\"_blank\" rel=\"noopener\">ClickFix-like lures<\/a>\u00a0to trick users visiting legitimate-but-compromised sites not running it.<\/p>\n<p>Matanbuchus&#8217;s delivery methods have evolved over time, leveraging\u00a0<a href=\"https:\/\/abnormal.ai\/blog\/google-drive-matanbuchus-malware\">phishing emails<\/a>\u00a0pointing to booby-trapped Google Drive links,\u00a0<a href=\"https:\/\/blog.sekoia.io\/clickfix-tactic-the-phantom-meet\/\">drive-by downloads<\/a>\u00a0from compromised sites,\u00a0<a href=\"https:\/\/www.cyfirma.com\/research\/matanbuchus-loader-report\/\">malicious MSI installers<\/a>, and\u00a0<a href=\"https:\/\/www.esentire.com\/security-advisories\/matanbuchus-malware\">malvertising<\/a>. It has been used to deploy a variety of secondary payloads including DanaBot, QakBot, and Cobalt Strike, all known precursors to ransomware deployment.<\/p>\n<p>The latest version of the loader, tracked as Matanbuchus 3.0, incorporates several new features, including improved communication protocol techniques, in-memory capabilities, enhanced obfuscation methods, CMD and PowerShell reverse shell support, and the ability to run next-stage DLL, EXE, and shellcode payloads, per Morphisec.<\/p>\n<div class=\"dog_two clear\"><a href=\"https:\/\/thehackernews.com\/2025\/07\/hackers-leverage-microsoft-teams-to.html\">Read the Full Story Here<\/a><\/div>\n<div><\/div>\n<div>Source: The Hacker News<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cybersecurity researchers have flagged a new variant of a known malware loader called\u00a0Matanbuchus\u00a0that packs in significant features to enhance its stealth and evade detection. Matanbuchus is the name given to a malware-as-a-service (MaaS) offering that can act as a conduit for\u00a0next-stage payloads, including Cobalt Strike beacons and ransomware. First\u00a0advertised\u00a0in February 2021 on Russian-speaking cybercrime forums [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1695,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms - Community<\/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.tsfactory.com\/forums\/blog\/hackers-leverage-microsoft-teams-to-spread-matanbuchus-3-0-malware-to-targeted-firms\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms - Community\" \/>\n<meta property=\"og:description\" content=\"Cybersecurity researchers have flagged a new variant of a known malware loader called\u00a0Matanbuchus\u00a0that packs in significant features to enhance its stealth and evade detection. Matanbuchus is the name given to a malware-as-a-service (MaaS) offering that can act as a conduit for\u00a0next-stage payloads, including Cobalt Strike beacons and ransomware. First\u00a0advertised\u00a0in February 2021 on Russian-speaking cybercrime forums [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tsfactory.com\/forums\/blog\/hackers-leverage-microsoft-teams-to-spread-matanbuchus-3-0-malware-to-targeted-firms\/\" \/>\n<meta property=\"og:site_name\" content=\"Community\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/TSFactoryLLC\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-17T11:18:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tsfactory.com\/forums\/wp-content\/uploads\/2025\/07\/microsoftteams.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"853\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Chelsie Wyatt\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@TSFactoryLLC\" \/>\n<meta name=\"twitter:site\" content=\"@TSFactoryLLC\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Chelsie Wyatt\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.tsfactory.com\/forums\/blog\/hackers-leverage-microsoft-teams-to-spread-matanbuchus-3-0-malware-to-targeted-firms\/\",\"url\":\"https:\/\/www.tsfactory.com\/forums\/blog\/hackers-leverage-microsoft-teams-to-spread-matanbuchus-3-0-malware-to-targeted-firms\/\",\"name\":\"Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms - 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