Extracted

• • Target

    Umbral.exe

  • Size

    227KB

  • MD5

    6131d796eecfeb08a137a4f49f256313

  • SHA1

    02a9e0194002771101f0b238efc3e693b7a60e5a

  • SHA256

    d88d07958c691702589bfb9d7d0caf297ce70c4fd46c353a831238e97134017c

  • SHA512

    66bf2e65b633a4b4b82c6b262d2e8e3fec1f05f35afd25c0dcf8352abd4e6a1a4dcaf064012820a9480369a66c0c1682de5dcfab0887fb22ce9263c064dfb868

  • SSDEEP

    6144:eloZMUrIkd8g+EtXHkv/iD4YfwyqoHjgC5sqb7iawb8e1mGi:IoZrL+EP8YfwyqoHjgC5sqb7iTQ

  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

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

    execution

  • Drops file in Drivers directory

  • 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