General

  • Target

    Dettex.exe

  • Size

    74KB

  • Sample

    250119-qly1saypfv

  • MD5

    30da326c4c36491b7b602498140a134f

  • SHA1

    f3ec1e8c2219b32bcb2427b54081fce8a0d3ab09

  • SHA256

    04fd0e391c1177b2bf2ef415b7f7470809806cabb25dcd80981feb4a309da2d4

  • SHA512

    9ea404472927c61d31e6941fb36964fe5d5d607ec56655feada98b3d21f00ea4ff6f6dd4cfe42ef8e51b6ff5ed72c7f68778a9e2b885f7437305cd6efa581947

  • SSDEEP

    1536:l1LcsmaO35Ab5gMhqsoUB6WOne86ChRaA5am:ncOb5zdOneFCRN5am

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:50023

custom-authentication.gl.at.ply:50023

Attributes
  • Install_directory

    %AppData%

  • install_file

    Dettex.exe

Targets

    • Target

      Dettex.exe

    • Size

      74KB

    • MD5

      30da326c4c36491b7b602498140a134f

    • SHA1

      f3ec1e8c2219b32bcb2427b54081fce8a0d3ab09

    • SHA256

      04fd0e391c1177b2bf2ef415b7f7470809806cabb25dcd80981feb4a309da2d4

    • SHA512

      9ea404472927c61d31e6941fb36964fe5d5d607ec56655feada98b3d21f00ea4ff6f6dd4cfe42ef8e51b6ff5ed72c7f68778a9e2b885f7437305cd6efa581947

    • SSDEEP

      1536:l1LcsmaO35Ab5gMhqsoUB6WOne86ChRaA5am:ncOb5zdOneFCRN5am

    • 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