Extracted

• • Target

    Umbral.exe

  • Size

    229KB

  • MD5

    7b8f7224e44d39c521160c3b33e22e98

  • SHA1

    a8ab775e550aef4aa3b2f485116bcc245c7ccb48

  • SHA256

    256aa419764dc6cf6fef1a4bbe7a918c207c48515e9e13d18881a69b326c79f0

  • SHA512

    c11c922edb6d3aa634fd68dc59a86463fd29b27eead95864efc003fcbb226610854f3acceff7b580fb96443952aa68696f87ea4004e01af96eca570a75359859

  • SSDEEP

    6144:tloZM9rIkd8g+EtXHkv/iD4u5PpSQPL42BECDja/yb8e1mUZJi:voZmL+EP8u5PpSQPL42BECDjamp+

  Score

  10^/10

  umbralstealercredential_accessdiscoveryexecutionspyware

  • 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

    Using powershell.exe command.

    execution

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • 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.

  behavioral1behavioral2behavioral3behavioral4