Extracted

• • Target

    void.exe

  • Size

    1.2MB

  • MD5

    b95ebcf2ae71c29e2fab45e455454f66

  • SHA1

    6d2b76cca8a9f9b83652b570fdc56a2b39c1a3da

  • SHA256

    26ab66ebbaebd820ba8be4da58fe5d2403f29c254e6946354e128b4379b09ef6

  • SHA512

    975bb6f3c364a5a77839d26ebb0b954d057b42a3e7dcc02254873025142b791c1522e754b916d6440840449f8b4cc6c8ecc63b3b2d5067f84342ffaa4f8f5550

  • SSDEEP

    24576:qU+9XNrenyktDLdYNtcdvQNC9wHAP5c1gfZRI8seEW0b3cENImHHmSv:U5OVeyff+v

  Score

  10^/10

  umbraldiscoveryexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • Umbral family

    umbral

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • 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

  • 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.

  behavioral1behavioral2