General

  • Target

    https://drive.google.com/file/d/1tPIvS-qz7d4hHOdZav5l3nUu6vZdDEIW/view?usp=sharing

  • Sample

    240826-ykgn4ssdnd

Malware Config

Targets

    • Target

      https://drive.google.com/file/d/1tPIvS-qz7d4hHOdZav5l3nUu6vZdDEIW/view?usp=sharing

    • 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.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Reads user/profile data of web browsers

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

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks