General

  • Target

    gang.exe

  • Size

    80KB

  • Sample

    250123-fzybastqg1

  • MD5

    69c8fd38eb3585864f58649cbbc6179e

  • SHA1

    9954fcc7f2834afeac76b83f5cf24a3f87ec3efd

  • SHA256

    4bc107cf70b98c46bd26f45d9d5999bb006b96d1cdedcbe8b4617a12bfbbcb60

  • SHA512

    421447f1eb5f90a836450a0dcb82a7b41f709ea96a2004607f8abd8e1f94adeba68f796804b70a536ac739311a7d27f708291dd3649bfcc7709dfb3acc9bcae6

  • SSDEEP

    1536:fUWgba8jJh9rOAb6/ZkYrPMbD2KeGh+qyKr6gu+gO4S1OYNpNG1:tOTJh8+iWYrPMbD2PTKnIOn1HDG1

Malware Config

Extracted

Family

xworm

C2

logo-kerry.gl.at.ply.gg:23249

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target

      gang.exe

    • Size

      80KB

    • MD5

      69c8fd38eb3585864f58649cbbc6179e

    • SHA1

      9954fcc7f2834afeac76b83f5cf24a3f87ec3efd

    • SHA256

      4bc107cf70b98c46bd26f45d9d5999bb006b96d1cdedcbe8b4617a12bfbbcb60

    • SHA512

      421447f1eb5f90a836450a0dcb82a7b41f709ea96a2004607f8abd8e1f94adeba68f796804b70a536ac739311a7d27f708291dd3649bfcc7709dfb3acc9bcae6

    • SSDEEP

      1536:fUWgba8jJh9rOAb6/ZkYrPMbD2KeGh+qyKr6gu+gO4S1OYNpNG1:tOTJh8+iWYrPMbD2PTKnIOn1HDG1

    • 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

    • 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

    • 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 v15

Tasks