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General

  • Target

    f8ff826c4f06a022d3c9803e5a8b30e8

  • Size

    1.9MB

  • Sample

    231228-z7y3cabgb5

  • MD5

    f8ff826c4f06a022d3c9803e5a8b30e8

  • SHA1

    e6f1927bce0e0fbb8c71e82b890e1b2ceec8e0fe

  • SHA256

    65529283bf5e859816e81a8d68c9d3939f2e3e66daab5c033bf727efd4a29225

  • SHA512

    536d4fb47b16e260bbbbdc2fd2a29aec871207a935cafe42dacbfea2dee598494b669704e472d1c7762c536a16163f6404bbdade44c3a47513d3a21c4fe1111a

  • SSDEEP

    3072:tNnqrxIGX/9nDiG7t6yCAti1zxGJidD5iYAHg4Cs7lJ/hYZ4z1sxtbjIUWnoRzir:tNnNZ4zytbLGo

Malware Config

Targets

    • Target

      f8ff826c4f06a022d3c9803e5a8b30e8

    • Size

      1.9MB

    • MD5

      f8ff826c4f06a022d3c9803e5a8b30e8

    • SHA1

      e6f1927bce0e0fbb8c71e82b890e1b2ceec8e0fe

    • SHA256

      65529283bf5e859816e81a8d68c9d3939f2e3e66daab5c033bf727efd4a29225

    • SHA512

      536d4fb47b16e260bbbbdc2fd2a29aec871207a935cafe42dacbfea2dee598494b669704e472d1c7762c536a16163f6404bbdade44c3a47513d3a21c4fe1111a

    • SSDEEP

      3072:tNnqrxIGX/9nDiG7t6yCAti1zxGJidD5iYAHg4Cs7lJ/hYZ4z1sxtbjIUWnoRzir:tNnNZ4zytbLGo

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks