New Avalon Malware Framework Packs CrownX Ransomware Capabilities

A new modular malware framework dubbed Avalon has been discovered, capable of executing a multi-stage attack chain that includes credential theft, lateral movement, and ransomware deployment via its CrownX component. The attack begins with a phishing email containing a password-protected archive hosted on Proton Drive, which delivers a malicious ISO image. The framework employs advanced defense evasion techniques, disables recovery mechanisms, and exfiltrates sensitive data before encrypting systems. Notably, Avalon shows signs of AI-assisted development, lowering the barrier for less sophisticated actors to deploy complex malware.

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