General

  • Target

    b1184c7cb6d005791da8d0997929aa40N.exe

  • Size

    75KB

  • Sample

    240805-t8lkrawbrc

  • MD5

    b1184c7cb6d005791da8d0997929aa40

  • SHA1

    e01a4548fa7aacaec30d1aa4288db632adc03a34

  • SHA256

    6b981124cd14350cb893e142898641e83434d7ec43c5c5e3ab5e2bc7a40df4e2

  • SHA512

    7a640862990daeb2f94ac7ee0d9691b589257e11b9c31d7d1c41837d46a995c695a43564bf70fdde55305c4d75a10625abc566f354a80eda3b90275d7594e99d

  • SSDEEP

    1536:5URWFoCX6t+HPYbtM9ATavyM6I73BIORRJaR3By:5q5iVHPYbtgA++OzJany

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7000

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

Targets

    • Target

      b1184c7cb6d005791da8d0997929aa40N.exe

    • Size

      75KB

    • MD5

      b1184c7cb6d005791da8d0997929aa40

    • SHA1

      e01a4548fa7aacaec30d1aa4288db632adc03a34

    • SHA256

      6b981124cd14350cb893e142898641e83434d7ec43c5c5e3ab5e2bc7a40df4e2

    • SHA512

      7a640862990daeb2f94ac7ee0d9691b589257e11b9c31d7d1c41837d46a995c695a43564bf70fdde55305c4d75a10625abc566f354a80eda3b90275d7594e99d

    • SSDEEP

      1536:5URWFoCX6t+HPYbtM9ATavyM6I73BIORRJaR3By:5q5iVHPYbtgA++OzJany

    • Detect Xworm Payload

    • 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 v15

Tasks