General

  • Target
    1bfc612d584aa106f9784450c67dd4b7.exe
  • Size 1.4MB
  • Sample230331-we54eade6s
  • SHA256 bb00399cf42ca87f984e2cfce9ffeeb514c66f24036a305989ecddca7857cf62
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      1bfc612d584aa106f9784450c67dd4b7.exe
    • Size 1.4MB
    • SHA256 bb00399cf42ca87f984e2cfce9ffeeb514c66f24036a305989ecddca7857cf62
    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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