Overview

overview

10

Static

static

10

mw3cheat.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    mw3cheat.exe
  • Size 229KB
  • Sample240903-bv5glavape
  • SHA256 a55cbe38899777a55cdece2e1671d7490fe23f70565ded61a204773d8a1d1e2e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
umbralcredential_accessdiscoveryexecutionspywarestealer

Malware Config

Extracted

Family

  • umbral

C2

  • https://discord.com/api/webhooks/1280335563387568138/vVcrjGXs8Mj6e1Q-qxwi6ThUirNYTobrVtGCqtsnn0FHOY2rPsJ3-LvhMY-KFj4gUH4f

Targets

    • Target
      mw3cheat.exe
    • Size 229KB
    • SHA256 a55cbe38899777a55cdece2e1671d7490fe23f70565ded61a204773d8a1d1e2e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    umbralcredential_accessdiscoveryexecutionspywarestealer

    • Detect Umbral payload

    • Umbral

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

      stealerumbral

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • 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

MITRE ATT&CK Enterprise v15

Tasks