Pasta.7z

: Sends stolen data back to the attacker via SMTP, FTP, or Telegram API. Indicators of Compromise (IoCs)

: The malware often hollows out legitimate Windows processes (like RegAsm.exe or vbc.exe ) to hide its activity in memory. Mitigation and Defense Pasta.7z

: Creation of scheduled tasks or registry keys (e.g., in Software\Microsoft\Windows\CurrentVersion\Run ) to ensure the malware starts with Windows. : Sends stolen data back to the attacker

: Configure email gateways to quarantine or block high-risk compressed formats like .7z , .rar , and .iso from unknown external senders. : Configure email gateways to quarantine or block

: Records every keystroke to capture login credentials in real-time.

The "Pasta.7z" archive is a delivery mechanism for credential-harvesting malware. It exploits user trust through social engineering, utilizing high-ratio compression ( .7z ) to bypass basic email filters that primarily scan for .zip or .exe extensions. Once extracted and executed, the payload initiates a multi-stage infection process designed to exfiltrate sensitive data. Technical Analysis

: The .7z format is chosen for its ability to hide malicious code from signature-based detection. The archive usually contains a single executable ( .exe ) or a heavily obfuscated JavaScript/VBScript loader.