Overview

overview

10

Static

static

1

URLScan

urlscan

https://github.com/o...

windows10-2004-x64

10

Sharing

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General

  • Target

    https://github.com/oblivioustb1/umbral-stealer-free/raw/main/Umbral.exe

  • Sample

    240717-m3e3fs1apd

Score
10/10
umbralexecutionspywarestealer

Malware Config

Targets

    • Target

      https://github.com/oblivioustb1/umbral-stealer-free/raw/main/Umbral.exe

    Score
    10/10
    umbralexecutionspywarestealer

    • Detect Umbral payload

    • 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

    • Executes dropped EXE

    • 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.

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks