General

  • Target
    System.exe
  • Size 70KB
  • Sample260723-qhsdtsdl3v
  • SHA256 3f41010c50f02ec2d2f46974826355d954a1c1fc5e4fd3f6e443d9996db4d250
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

C2
  • SWAG6665-57198.portmap.host:57198

Attributes
  • Install_directory

    %AppData%

  • install_file

    System.exe

Targets

    • Target
      System.exe
    • Size 70KB
    • SHA256 3f41010c50f02ec2d2f46974826355d954a1c1fc5e4fd3f6e443d9996db4d250
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • 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

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v16

Tasks