General

  • Target

    XClient.exe

  • Size

    81KB

  • Sample

    240521-nxcwksce56

  • MD5

    c6ffac22c66a74b54db0b68ee74f89f8

  • SHA1

    b92762dcc83f5c1fc93930f9319ed7817ee3358d

  • SHA256

    aa83740e4e4300a89a86b14491f3a567ba4ed498b016855fa21871795029ff8d

  • SHA512

    50aa41fd3da84cb488cb697f72013106ff98035fe1d78f293bde59e296d06c3456c8979fb335f6d760081a4850d6c4b70de0ba543391a9e636be43561a46cca2

  • SSDEEP

    1536:c3xKcyVhF1H97YBpb1/KkH9VlGxGZ5d6qKA2jOSKfd2l:c3xolHxoblKkHJGxqd32jOSKf0

Malware Config

Extracted

Family

xworm

C2

values-painted.gl.at.ply.gg:12784

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      XClient.exe

    • Size

      81KB

    • MD5

      c6ffac22c66a74b54db0b68ee74f89f8

    • SHA1

      b92762dcc83f5c1fc93930f9319ed7817ee3358d

    • SHA256

      aa83740e4e4300a89a86b14491f3a567ba4ed498b016855fa21871795029ff8d

    • SHA512

      50aa41fd3da84cb488cb697f72013106ff98035fe1d78f293bde59e296d06c3456c8979fb335f6d760081a4850d6c4b70de0ba543391a9e636be43561a46cca2

    • SSDEEP

      1536:c3xKcyVhF1H97YBpb1/KkH9VlGxGZ5d6qKA2jOSKfd2l:c3xolHxoblKkHJGxqd32jOSKf0

    • 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.

    • 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