General

  • Target

    https://gofile.io/d/2QsagS

  • Sample

    241128-xdcwxawmhs

Malware Config

Extracted

Family

umbral

C2

https://discordapp.com/api/webhooks/1311062014692691990/QOlNBtJ4kP7VezLjkFDpqHqnyZGXzVzAQsLT2dKDLnaQOGXpiEHw3Jkh_uiA09O7hIRB

Targets

    • Target

      https://gofile.io/d/2QsagS

    • 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.

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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