General

  • Target

    Solara.exe

  • Size

    45KB

  • Sample

    241123-bj8pwatpcv

  • MD5

    04f89f83ba27038601e2321b08d0b4ca

  • SHA1

    edecd6d74ac90bbd235334ee17c2cae0ababa51b

  • SHA256

    4d3101ba1ec70ddd04a30b6f04a67817920a6601e477339e5c135c167f6ab1e2

  • SHA512

    04aece7190c9731d3a3528ef4b762eb47db6b50f670201dad4cd98c8bdf389eb1c8671488b550b02b28ae8ae61685ef0929b0a05273f09114b0e45269e4514bf

  • SSDEEP

    768:fvn+LJZ2ny8BcGhsWc3cQHqGbgEbFEP89ObA6BOuh3zjjU:fHABTMmq6FN9UA6BOuFE

Malware Config

Extracted

Family

xworm

Version

5.0

C2

george-liechtenstein.gl.at.ply.gg:2030

Mutex

OSPDmToN2pBX1fa2

Attributes
  • Install_directory

    %AppData%

  • install_file

    Windows Defender.exe

aes.plain

Targets

    • Target

      Solara.exe

    • Size

      45KB

    • MD5

      04f89f83ba27038601e2321b08d0b4ca

    • SHA1

      edecd6d74ac90bbd235334ee17c2cae0ababa51b

    • SHA256

      4d3101ba1ec70ddd04a30b6f04a67817920a6601e477339e5c135c167f6ab1e2

    • SHA512

      04aece7190c9731d3a3528ef4b762eb47db6b50f670201dad4cd98c8bdf389eb1c8671488b550b02b28ae8ae61685ef0929b0a05273f09114b0e45269e4514bf

    • SSDEEP

      768:fvn+LJZ2ny8BcGhsWc3cQHqGbgEbFEP89ObA6BOuh3zjjU:fHABTMmq6FN9UA6BOuFE

    • 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

    • 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