General

  • Target
    9A1A0974A7201DEAA019697CB0F137DB.exe
  • Size 8.8MB
  • Sample250122-gxledsskd1
  • SHA256 e9f868d54dc0cda5bd4e13ad4fb6c7861b339024cd28daf0dc8eb9ee69a405fe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      9A1A0974A7201DEAA019697CB0F137DB.exe
    • Size 8.8MB
    • SHA256 e9f868d54dc0cda5bd4e13ad4fb6c7861b339024cd28daf0dc8eb9ee69a405fe
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

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

    • Dcrat family

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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.

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks