General

  • Target
    de0c4aa5d9069264d43509584ed0818e4bdceb95dd0bbe602d0a76d9488f99e3
  • Size 1.0MB
  • Sample240526-eeattsef32
  • SHA256 de0c4aa5d9069264d43509584ed0818e4bdceb95dd0bbe602d0a76d9488f99e3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      de0c4aa5d9069264d43509584ed0818e4bdceb95dd0bbe602d0a76d9488f99e3
    • Size 1.0MB
    • SHA256 de0c4aa5d9069264d43509584ed0818e4bdceb95dd0bbe602d0a76d9488f99e3
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

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

    • Process spawned unexpected child process

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

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Detects executables packed with SmartAssembly

    • 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

    • Checks whether UAC is enabled

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks