Extracted

• • Target

    https://mega.nz/file/EqF1waoC#WJZTNw7NNx0HZDAtr5Aq1S2XZuMs69aOw2VtthxYMKw

  Score

  10^/10

  umbraldiscoveryevasionpersistencestealertrojan

  • Detect Umbral payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Downloads MZ/PE file

  • Sets file execution options in registry

    persistence

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Registers COM server for autorun

    persistence

  • Checks installed software on the system

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

    discovery

  • Checks whether UAC is enabled

    evasiontrojan

  • Checks system information in the registry

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

  • Suspicious use of NtCreateThreadExHideFromDebugger

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2