General

  • Target
    0b222b4a899979ddf52b634b82368a08.exe
  • Size 50.0MB
  • Sample240530-bc823ahe48
  • SHA256 faf82dcfbb2ffa2a94047a5e017d95e9757aa3420af8cebcef6c8933cde2c295
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      0b222b4a899979ddf52b634b82368a08.exe
    • Size 50.0MB
    • SHA256 faf82dcfbb2ffa2a94047a5e017d95e9757aa3420af8cebcef6c8933cde2c295
    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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