Extracted

• • Target

    https://cdn.discordapp.com/attachments/1322990402265157794/1342983602115444776/r6_chair.rar?ex=67bb9e72&is=67ba4cf2&hm=ab2ed1de611d28317fd36cbdeb9ab08915bacb3660056bb457cb7e48794c67bf&

  Score

  10^/10

  umbraldiscoveryexecutionpersistencephishingprivilege_escalationspywarestealer

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • Umbral family

    umbral

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Checks computer location settings

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

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies system executable filetype association

    persistence

  • Reads user/profile data of web browsers

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

    spywarestealer

  • 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

  • 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.

  • Checks system information in the registry

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

  behavioral1