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General

  • Target

    illict.gg.exe

  • Size

    56KB

  • Sample

    250228-1dl2csytdw

  • MD5

    cc470d318018b2de7d43f6f17073016c

  • SHA1

    109d25fae3c9bd01a10d816d1db1c3c93c66c7c5

  • SHA256

    dd19ff97a15200e02ab698fe1087c4a6bfe89ac8852a057615b574bcbee961c2

  • SHA512

    036e7528e149a81cadf2185b99b63ca481b05bd909b462a6bc8daf4ccf4279a7c5cff99dfbe6e90df0b96a041aa99c4948384e207db916b093a166e92b8fea4f

  • SSDEEP

    1536:9j2/3YNHXwTyQl0RHskb0UlqXN+xD6QtGOxWq:xXw/8Mkb0Ux2OxWq

Malware Config

Extracted

Family

xworm

C2

80.76.49.15:1111

Attributes
  • Install_directory

    %AppData%

  • install_file

    Xclient.exe

Targets

    • Target

      illict.gg.exe

    • Size

      56KB

    • MD5

      cc470d318018b2de7d43f6f17073016c

    • SHA1

      109d25fae3c9bd01a10d816d1db1c3c93c66c7c5

    • SHA256

      dd19ff97a15200e02ab698fe1087c4a6bfe89ac8852a057615b574bcbee961c2

    • SHA512

      036e7528e149a81cadf2185b99b63ca481b05bd909b462a6bc8daf4ccf4279a7c5cff99dfbe6e90df0b96a041aa99c4948384e207db916b093a166e92b8fea4f

    • SSDEEP

      1536:9j2/3YNHXwTyQl0RHskb0UlqXN+xD6QtGOxWq:xXw/8Mkb0Ux2OxWq

    • 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.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks