General

  • Target
    0E6FCBF27626DC3D74A97E2B52D48477C0158BE665AB5.exe
  • Size 1.6MB
  • Sample230325-a7g2dscd4y
  • SHA256 0e6fcbf27626dc3d74a97e2b52d48477c0158be665ab581fb7a13fce60d3cfc4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      0E6FCBF27626DC3D74A97E2B52D48477C0158BE665AB5.exe
    • Size 1.6MB
    • SHA256 0e6fcbf27626dc3d74a97e2b52d48477c0158be665ab581fb7a13fce60d3cfc4
    • MD5 SHA1 SHA512 SSDEEP
    • 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.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Disables Task Manager via registry modification

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks