General

  • Target
    https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/RAT/CrimsonRAT.exe
  • Sample261023-qlft7syscw

Malware Config

Targets

    • Target
      https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/RAT/CrimsonRAT.exe
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks