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General

  • Target

    boot.bat

  • Size

    410KB

  • Sample

    240706-htvpbszcrj

  • MD5

    d87efb4cf8da07e1956944f23313bb5b

  • SHA1

    929203873eaf41e02377a26e1ef4db8a88d37696

  • SHA256

    f3d0b86b5b93ff36ccb01f326eae7b612a3016c6d570478de2211d01d2e39cbd

  • SHA512

    d726064d2833f4ee4a52dc85515f6dd471e72acd53d2576916313a0aaa224e199ba56cdf6fbd5fe4b21be62ab38779adc1b977b333971f160ac8cf3e26ba952a

  • SSDEEP

    12288:xpWbCqT4gUVKkPSmSZ+XPk6V4mzYWQvKMbGt:xkGqTjURpXPkAUvvKMit

Malware Config

Extracted

Family

xworm

C2

case-shield.gl.at.ply.gg:26501

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    system.exe

Targets

    • Target

      boot.bat

    • Size

      410KB

    • MD5

      d87efb4cf8da07e1956944f23313bb5b

    • SHA1

      929203873eaf41e02377a26e1ef4db8a88d37696

    • SHA256

      f3d0b86b5b93ff36ccb01f326eae7b612a3016c6d570478de2211d01d2e39cbd

    • SHA512

      d726064d2833f4ee4a52dc85515f6dd471e72acd53d2576916313a0aaa224e199ba56cdf6fbd5fe4b21be62ab38779adc1b977b333971f160ac8cf3e26ba952a

    • SSDEEP

      12288:xpWbCqT4gUVKkPSmSZ+XPk6V4mzYWQvKMbGt:xkGqTjURpXPkAUvvKMit

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks