Extracted

• • Target

    http://example.com

  Score

  10^/10

  marsstealerumbraldefaultbootkitdiscoveryexecutionpersistencespywarestealer

  • Detect Umbral payload

  • Mars Stealer

    An infostealer written in C++ based on other infostealers.

    stealermarsstealer

  • Umbral

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

    stealerumbral

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Registers COM server for autorun

    persistence

  • Checks for any installed AV software in registry

  • Checks installed software on the system

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

    discovery

  • Drops desktop.ini file(s)

  • Enumerates connected drives

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

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops autorun.inf file

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1