Extracted

• • Target

    Umbral.exe

  • Size

    484KB

  • MD5

    76bdc0aa53bd46fd5eb4c4bbba89e865

  • SHA1

    5b65000b2503e75e424d8360a40703fb2ff7aa2f

  • SHA256

    1c400bc43d208e97292438c4ea59e8203c7fb0e78d44b4af7c2b5af3b71c4a4d

  • SHA512

    cc5365a4ba91f3f0dde1177290cce6c538fb75b4dbee53dc74c9870c1c8a4937b44cc1565045497f1a94a6f5bdc127709246a28793c42574fab46b23d4f8f669

  • SSDEEP

    12288:MoZrL+EP8njZwR/k4XVG/BcoNiZI8kYFNLQd2nLyNz67:SI8jZwR/k4XVG/BcoNi55MILyM7

  Score

  10^/10

  umbralcredential_accessdiscoveryexecutionspywarestealerevasion

  • 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

  • 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.

  behavioral1behavioral2behavioral3