Extracted

• • Target

    fn.exe

  • Size

    231KB

  • MD5

    dd37f3db081031f72358bb3b9edf4e21

  • SHA1

    256023f67c0f6e3717d1e9a338187c33d16b6574

  • SHA256

    0a138d71d9cdd9c772628844181e087bc8f2f650e37702f131a32bf8d790867c

  • SHA512

    08f1776d67fbef2d4139031abd5fdbd953e8312d54563883b4c45df3dc4376356e24be7a84b47e20d6c9c20f771ce8b7fce4f8468c046743a77a7f4893dd812c

  • SSDEEP

    6144:xloZMzrIkd8g+EtXHkv/iD4lDkgJX8QfP+nJUg1Nvmb8e1m6Fi:DoZcL+EP8lDkgJX8QfP+nJUg1sQ

  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

  • Deletes itself

  • 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.

  behavioral1behavioral2