Threat intelligence reports from Hybrid Analysis categorize this activity as high-risk, as it is often part of a broader campaign involving , data exfiltration , and the deployment of persistent web shells.
: The malware often kills existing PowerShell instances to replace them with hidden processes running from application data folders. Risk Assessment
Once active, the malware ensures it survives system reboots by using several stealthy methods: An 58-76.rar
: It may delete existing system tasks (like WindowsUpdateCheck ) and recreate them with "Highest" privileges to point toward its own launcher in %APPDATA% .
The malware typically follows a structured attack chain designed to bypass standard security filters: The malware typically follows a structured attack chain
: To avoid detection by analysts, the malware queries physical memory (via WMI) and checks for specific Plug-and-Play devices to determine if it is running inside a virtual machine or a sandbox. Persistence Mechanisms
: It frequently uses a secondary script (often Visual Basic or PowerShell) to decrypt hardcoded AES chunks. These chunks are then concatenated and executed via Invoke-Expression to launch the final payload. : The RAR file contains an executable or
: The RAR file contains an executable or script that often extracts further components into hidden directories like C:\Users\Public\Security .