Extracted

• • Target

    Umbral.exe

  • Size

    231KB

  • MD5

    2f8f9edad83fe12a0e27f2f774f59d97

  • SHA1

    0501724be9ae75f5b22e7ab90d7beb71dcc9f8af

  • SHA256

    e9d12a502f21205c38e5d593c9bfa6f22045e7270fec4d27e027c29b9a6dcb6c

  • SHA512

    94f491514d8a0333b0a62d368d62a702ec1018ca2efb3c61e952adf5244e489057d675250df0bc666665cd9cdec128a163a11745884479439e84be6402bdac08

  • SSDEEP

    6144:xloZM+rIkd8g+EtXHkv/iD4FRMuyMS1Nmhzus9x4Wnb8e1mzAi:DoZtL+EP8FRMuyMS1Nmhzus9x4QIZ

  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

  • 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.

  behavioral1