Extracted

• • Target

    Umbral.exe

  • Size

    229KB

  • MD5

    e91e7d0ed8c652cc6d31b843ce779610

  • SHA1

    30100ace6bde410478ab46fd06ffb28759fbbd78

  • SHA256

    de9370ce0b17b04fa1deb6403251580f6cf32035659da7ed57756c08c690d666

  • SHA512

    9ccda4488fc512344ce51b6173da48902058df858ff82edbe906ef7c116800074823fc179f69ad687d4196d21bf4683ca5dc4a142f69a127714ae3dc37aa1130

  • SSDEEP

    6144:lloZM9rIkd8g+EtXHkv/iD4UZ7coOJBi0HaIJtMByb8e1mF56Yi:noZOL+EP8UZ7coOJBi0HaIJtMgs50

  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