General

  • Target

    91034df30d1ef00ed5f689e3d8cd041fb9a36caf97af9c430eede4c3e047567d.exe

  • Size

    1.7MB

  • Sample

    241230-wfwlcstrhs

  • MD5

    2526937c096baa22a3af4104efd8466c

  • SHA1

    7b3459bc0bef82889b96baef0d10c6f8853f5647

  • SHA256

    91034df30d1ef00ed5f689e3d8cd041fb9a36caf97af9c430eede4c3e047567d

  • SHA512

    2a1f7482680c435617ff0de3efb99f738c820dd336d5cc1fe6d055d0c2c41e5aa8f3b7f25b5039b0b43f7b9e081575c7e2d72d6a9573a1c6817a1506d72b4418

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ0:NgwuuEpdDLNwVMeXDL0fdSzAGB

Malware Config

Targets

    • Target

      91034df30d1ef00ed5f689e3d8cd041fb9a36caf97af9c430eede4c3e047567d.exe

    • Size

      1.7MB

    • MD5

      2526937c096baa22a3af4104efd8466c

    • SHA1

      7b3459bc0bef82889b96baef0d10c6f8853f5647

    • SHA256

      91034df30d1ef00ed5f689e3d8cd041fb9a36caf97af9c430eede4c3e047567d

    • SHA512

      2a1f7482680c435617ff0de3efb99f738c820dd336d5cc1fe6d055d0c2c41e5aa8f3b7f25b5039b0b43f7b9e081575c7e2d72d6a9573a1c6817a1506d72b4418

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ0:NgwuuEpdDLNwVMeXDL0fdSzAGB

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks