Extracted

• • Target

    Umbral.exe

  • Size

    231KB

  • MD5

    64084e155f8e91598f994297efe19cbd

  • SHA1

    83b427e8f3b81d5b5dcc53e361c2eb00518bb2ab

  • SHA256

    bd4d72d38d56ab39ea25acd2ce87869f914f352397eae92634e1d8f9f576c8ff

  • SHA512

    5f0a26d8dd233c653345b9f163c13795f27322f99157271e1aaff948fda2d77d66d2e6c8b7bdc8b8ec5d08b459f1d847724ad6c3a5596d07c6e26bb9f95884de

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD4NrcPuMzvEUlwOffuGfOtLBM8e1mqYi:joZtL+EP8NrcPuMzvEUlwOffu+yL8P

  Score

  10^/10

  umbralexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • 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