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General

  • Target

    https://www.mediafire.com/folder/vhq659xclqqrn/baconhub

  • Sample

    241226-vwpmbaskcs

Malware Config

Targets

    • Target

      https://www.mediafire.com/folder/vhq659xclqqrn/baconhub

    • Detect Umbral payload

    • Umbral

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

    • Umbral family

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • A potential corporate email address has been identified in the URL: currency-file@1

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks