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General

  • Target

    Bloxstrap1.exe

  • Size

    4.3MB

  • Sample

    250301-xjm9tsyvfs

  • MD5

    56d66e4df02b04ed21a45cc29e583679

  • SHA1

    0537dc87acb3ce7b7a9b539e18e74a495f71673c

  • SHA256

    d7694169a73999cbd1d8ea033b6a164321082b582eacbbbe6d3f607b563a3599

  • SHA512

    b0040d61eccbe9c9cb34863379ffafec534b36357e1d5b56fa14ad9418ff1cf919f1d0f95b5b886942c16810775386ed76323d29aecd116e0b276b73e0576a98

  • SSDEEP

    98304:3iLGdqIgOoD9sXV4GiXTSQdg3thqK2Oz1q70/xDTISpspijCk:XYrHGiXLdg9jz1xjplCk

Malware Config

Extracted

Family

xworm

C2

cause-indexes.gl.at.ply.gg:17210

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      Bloxstrap1.exe

    • Size

      4.3MB

    • MD5

      56d66e4df02b04ed21a45cc29e583679

    • SHA1

      0537dc87acb3ce7b7a9b539e18e74a495f71673c

    • SHA256

      d7694169a73999cbd1d8ea033b6a164321082b582eacbbbe6d3f607b563a3599

    • SHA512

      b0040d61eccbe9c9cb34863379ffafec534b36357e1d5b56fa14ad9418ff1cf919f1d0f95b5b886942c16810775386ed76323d29aecd116e0b276b73e0576a98

    • SSDEEP

      98304:3iLGdqIgOoD9sXV4GiXTSQdg3thqK2Oz1q70/xDTISpspijCk:XYrHGiXLdg9jz1xjplCk

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks