Extracted

• • Target

    Umbral.exe

  • Size

    496KB

  • MD5

    2989b8a064354c5fa729d713b84df30e

  • SHA1

    a8f8065b500258e7b768c59f9c6f57932d4bcfa1

  • SHA256

    bbdd54660f7cfee0d7ec0d5afa51900142c029ae48e71f8d4f834cac00b1761b

  • SHA512

    0d5b22d39dff8030755bb120c598aec238549100fb53c40468be7f6adb036867bf464fc9c71b204824f7042faa18cbb90ab199ce450844371b42b79c22fb3e94

  • SSDEEP

    12288:VoZtL+EP8jNMGxfEY3tmfh8ItWCw8ZOG:jI85MGxfEY3tmfh8ItDwaO

  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