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General

  • Target

    XClient.exe

  • Size

    43KB

  • Sample

    240605-vd4zaadc24

  • MD5

    9a6ce16635ceb90281c16062ae68a06c

  • SHA1

    319ee0e49c3a23cf6afa7cb34d358247b6fbc89e

  • SHA256

    f9a8f2e29dc5966bcb6f5a9b118a0e2cb2807619d9ce16dbb18e71737bf44ac8

  • SHA512

    ec1e632a6efc0c8aa20386c3925a3b3a2941a33992d788de6d5a777a10c267e073b57d8a95af3d00684b0c4c33efb060f1d126c95179de731a19c71da36eb589

  • SSDEEP

    768:ZY8ErOTKMYpyyNRyjymZ49pnWwFFEPh9Cf66FOChtk2lHxfgm:6/OUTc6Fw9y66FOCIwRt

Malware Config

Extracted

Family

xworm

Version

3.0

C2

lunassworld-50930.portmap.host:5508

Mutex

tBgRQhKX6pJuMKdy

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      43KB

    • MD5

      9a6ce16635ceb90281c16062ae68a06c

    • SHA1

      319ee0e49c3a23cf6afa7cb34d358247b6fbc89e

    • SHA256

      f9a8f2e29dc5966bcb6f5a9b118a0e2cb2807619d9ce16dbb18e71737bf44ac8

    • SHA512

      ec1e632a6efc0c8aa20386c3925a3b3a2941a33992d788de6d5a777a10c267e073b57d8a95af3d00684b0c4c33efb060f1d126c95179de731a19c71da36eb589

    • SSDEEP

      768:ZY8ErOTKMYpyyNRyjymZ49pnWwFFEPh9Cf66FOChtk2lHxfgm:6/OUTc6Fw9y66FOCIwRt

    • 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.

    • 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