General

  • Target
    5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f
  • Size 3.8MB
  • Sample260917-vbw6nagf87
  • SHA256 5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f
    • Size 3.8MB
    • SHA256 5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Family: DcRat

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

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

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

    • 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.

    • Executes dropped EXE

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

MITRE ATT&CK Enterprise v16

Tasks