General

  • Target

    https://github.com/MasonGroup/SvcinjCrypter

  • Sample

    250304-re3aasspw9

Malware Config

Extracted

Family

xworm

Attributes
  • install_file

    MasonUSB.exe

Targets

    • Target

      https://github.com/MasonGroup/SvcinjCrypter

    • Detect Xworm Payload

    • Modifies visiblity of hidden/system files in Explorer

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks