General

  • Target
    132c11ac9545d4095a04e959370920aa.exe
  • Size 3.1MB
  • Sample240210-en3k7sae38
  • SHA256 78e05cedaa8ac3d3361793ab8b19b6ba2147ea99cd6e406720e90dc5474fcda0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      132c11ac9545d4095a04e959370920aa.exe
    • Size 3.1MB
    • SHA256 78e05cedaa8ac3d3361793ab8b19b6ba2147ea99cd6e406720e90dc5474fcda0
    • 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.

    • 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

    • Checks whether UAC is enabled

    • 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 v15

Tasks