General

  • Target

    Semo.exe

  • Size

    168KB

  • Sample

    241117-p39m6szhmq

  • MD5

    651429675c1d86cf068746159aa66b6d

  • SHA1

    aad51d3448cb1e9f337a985ed840a0064d5699ee

  • SHA256

    30258a07cc6d0fa827544493e9036e955056da88d0530efa8cf3535ecbf8e75c

  • SHA512

    397e2a05e8f3d45c04953998a09d76212b38e3dc9073be814cb3010ea94b00733d2557a6e5002b0a2401fb33d62908e794553a6afd31e45b0afe6987806272fb

  • SSDEEP

    3072:gwe+6Rkd+MisaP1JmK6Hw9hEgXEp1NDLfgAiKgD7fYtB2SOEQW40/mmo0ioi:glbRFLsaPfmK6HwXDXsFglf7gya4tm

Malware Config

Extracted

Family

xworm

Version

3.1

C2

activities-mustang.gl.at.ply.gg:54756

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target

      Semo.exe

    • Size

      168KB

    • MD5

      651429675c1d86cf068746159aa66b6d

    • SHA1

      aad51d3448cb1e9f337a985ed840a0064d5699ee

    • SHA256

      30258a07cc6d0fa827544493e9036e955056da88d0530efa8cf3535ecbf8e75c

    • SHA512

      397e2a05e8f3d45c04953998a09d76212b38e3dc9073be814cb3010ea94b00733d2557a6e5002b0a2401fb33d62908e794553a6afd31e45b0afe6987806272fb

    • SSDEEP

      3072:gwe+6Rkd+MisaP1JmK6Hw9hEgXEp1NDLfgAiKgD7fYtB2SOEQW40/mmo0ioi:glbRFLsaPfmK6HwXDXsFglf7gya4tm

    • 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

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks