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Resubmissions

26/04/2023, 17:48

230426-wdqmbscg6s 8

26/04/2023, 17:08

230426-vnhtssce71 8

General

  • Target

    http://citrix.com/

  • Sample

    230426-vnhtssce71

Malware Config

Targets

    • Target

      http://citrix.com/

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks