General

  • Target

    8baa976e1af785175342dd4c126e65d2e12839e77075090f79e2053559dc5743.exe

  • Size

    141KB

  • Sample

    241202-c8skmavrc1

  • MD5

    67386c0bb06720e6c4d20e72887a504a

  • SHA1

    73188a12aabf0d683d3b8d791d4933296d15e2c9

  • SHA256

    8baa976e1af785175342dd4c126e65d2e12839e77075090f79e2053559dc5743

  • SHA512

    a8139eb62a2bc7086e0df9f30fef56333d1a6588cc69445524001e048bcb66a11067759f96b9d85b7daea78399292fd9972adeb947228c1080dfeb6b9db1b5f9

  • SSDEEP

    3072:XhgNVe3HGJ0FK0jRRWI/FrDfOYIr4rEPnB5qgTCZv:XhgNVeX0MKcp/q4rEPnigW

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:9191

bay-husband.gl.at.ply.gg:9191

pchome.netbird.cloud:9191

code-practitioner.gl.at.ply.gg:9191

dandev.online:9191

Mutex

lKjObE3USk8u1PDI

Attributes
  • Install_directory

    %AppData%

  • install_file

    WebRuntime.exe

aes.plain

Targets

    • Target

      8baa976e1af785175342dd4c126e65d2e12839e77075090f79e2053559dc5743.exe

    • Size

      141KB

    • MD5

      67386c0bb06720e6c4d20e72887a504a

    • SHA1

      73188a12aabf0d683d3b8d791d4933296d15e2c9

    • SHA256

      8baa976e1af785175342dd4c126e65d2e12839e77075090f79e2053559dc5743

    • SHA512

      a8139eb62a2bc7086e0df9f30fef56333d1a6588cc69445524001e048bcb66a11067759f96b9d85b7daea78399292fd9972adeb947228c1080dfeb6b9db1b5f9

    • SSDEEP

      3072:XhgNVe3HGJ0FK0jRRWI/FrDfOYIr4rEPnB5qgTCZv:XhgNVeX0MKcp/q4rEPnigW

    • 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

    • 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