General

  • Target
    z28Contrato.exe
  • Size 524KB
  • Sample250930-vjtqhatpy3
  • SHA256 bfa7bcaceb080d8bbd08c0b92bd595800f59ebe2fc161af543ae66920be40a01
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      z28Contrato.exe
    • Size 524KB
    • SHA256 bfa7bcaceb080d8bbd08c0b92bd595800f59ebe2fc161af543ae66920be40a01
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • 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.

    • Drops startup file

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks