General

  • Target

    Ratty_win32_directx11.exe

  • Size

    14.0MB

  • Sample

    241122-trhsjaznbl

  • MD5

    33b005cbccacb156bda997661e03c1ce

  • SHA1

    7e478775ce68281845f34350db43d8ae13f310fa

  • SHA256

    fa3e16bad6c760764b0f4e412c07e720800f6fdf5fd331aec6c3d0b738dc1a9a

  • SHA512

    898b4e5bf17a58fbcd7356d3bc07ab0c0a98c19600249d8d274602a0739509c6bd7e73da4506ab8737406370d4aed5168cc77c04317b926b1c5f978a50404e3c

  • SSDEEP

    49152:tTF+E5GDNTBnGoefQ/mF/IdtxkQhmon0pNzvlsY6EWd:tTF+EAQQO/62wmXNzvmY6j

Malware Config

Extracted

Family

xworm

C2

45.141.26.214:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    XClient.exe

Targets

    • Target

      Ratty_win32_directx11.exe

    • Size

      14.0MB

    • MD5

      33b005cbccacb156bda997661e03c1ce

    • SHA1

      7e478775ce68281845f34350db43d8ae13f310fa

    • SHA256

      fa3e16bad6c760764b0f4e412c07e720800f6fdf5fd331aec6c3d0b738dc1a9a

    • SHA512

      898b4e5bf17a58fbcd7356d3bc07ab0c0a98c19600249d8d274602a0739509c6bd7e73da4506ab8737406370d4aed5168cc77c04317b926b1c5f978a50404e3c

    • SSDEEP

      49152:tTF+E5GDNTBnGoefQ/mF/IdtxkQhmon0pNzvlsY6EWd:tTF+EAQQO/62wmXNzvmY6j

    • 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

    • 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