Extracted

• • Target

    Umbral.exe

  • Size

    229KB

  • MD5

    9c5fa08220a406dd817047dd315c696e

  • SHA1

    2062fbed265d945daf4937ed0a118378f29a9d66

  • SHA256

    9c7acf37e5afc9eccc95c482058be6240659038f34a3b1237db66addb8bfe20c

  • SHA512

    81f7d183f7019c1933ecb755b5c8527c9ad6b8ffba4b7a2999c31696d65d96cc1185918f267dd838e9a64fa7e6ff525e6a0a60e6bfcc2a920f60fe3323f70376

  • SSDEEP

    6144:lloZMArIkd8g+EtXHkv/iD4suXUYe5xyTXKYZd8cYb8e1mfyi:noZHL+EP8suXUYe5xyTXKYZd8tk

  Score

  10^/10

  umbralcredential_accessexecutionspywarestealer

  • 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

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    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.

  behavioral1behavioral2