Extracted

• • Target
    https://github.com/dashtheapk/Ultimate-RAT-Collection2026/tree/main/MasonRAT/MasonRAT

  Score

  10^/10

  adwarecredential_accessdefense_evasiondiscoveryexecutionneptuneratpersistenceprivilege_escalationspywarestealertrojan

  • Detects NeptuneRAT stealer

  • Family: NeptuneRAT, MasonRAT

    NeptuneRAT aka MasonRAT is a trojan written in C#.

    trojanneptunerat

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Badlisted process makes network request

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Modifies Windows Firewall

    defense_evasion

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads data files stored by FTP clients

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Unsecured Credentials: Credentials In Files

    Steal credentials from unsecured files.

    credential_accessstealer

  • Uses the VBS compiler for execution

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Contacts third-party web service commonly abused for C2

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

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1