Extracted

• • Target

    Umbral.exe

  • Size

    230KB

  • MD5

    553d6d65dbaee07e841b22b0987c0331

  • SHA1

    499325af4eb554638411e3e47b146cc8662f693a

  • SHA256

    d97cfbdcbd68d0080286dde7cb1906e84c954d5471f08ba98608c5f3b6af3f2d

  • SHA512

    e4b3c0b1211ce292eb7a781e98da5960936e28abd84f473c66105217e9de505f89fee1b46ac776953403d0aa433d47226c3f0b6dbfd5dd3cc7b4a44058964e96

  • SSDEEP

    6144:dloZM+rIkd8g+EtXHkv/iD4mEHhtxds8e1minfi:/oZtL+EP8Trx86

  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