Extracted

• • Target

    dead-builder.exe

  • Size

    254KB

  • MD5

    a57179fa58b196077b35da7eb4032a18

  • SHA1

    92a6d5ac92fe534fa1c5cdb45bc95135ef3effad

  • SHA256

    4fec5552f2a39ddd4bdcfd316ac96ecf9f6a413fb3a674d058d1695b88c8db5f

  • SHA512

    d66f89a6f1b76e64de7f163a9cf4c31b1fcd2b1129800c1659f50d2a23e67e93820f64624ebacd25eeee193fee6e96a849f42687f5b4be9bdf8cab53f7ef31d7

  • SSDEEP

    6144:K4oZoAeVHPtHgTIAaZgCwDx7axHU0unC28ejI8x7:xoZyHPvWCwjXCsIM

  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

  • 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