Matanbuchus 3.0, an enhanced MaaS loader, is bypassing defenses with new C2 protocols, obfuscation, and leveraging Microsoft Teams to deploy ransomware and Cobalt Strike.

Matanbuchus 3.0, a new sophisticated malware loader, is using social engineering via Microsoft Teams to infiltrate enterprise systems with advanced evasion tactics.

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Zscaler exposed Matanbuchus v3.0, a MaaS downloader pivoting to ransomware. The stealthy C++ malware uses Protobufs for C2, QuickAssist for access, and time-wasting loops to bypass sandboxes.