Extracted

• • Target

    CrypticBootstrapper.exe

  • Size

    234KB

  • MD5

    382b946582beaad5ee5c50ac21d0ded1

  • SHA1

    26ab22955ed978b232503e710a226c8f9332c835

  • SHA256

    587849a5a71af2928ecc82f0fa9f405b898e69d1c93e6d7102f29a38abf988eb

  • SHA512

    bab1487bfd8f10753a4022336c026fb3e8f77cae371d0a8c861c36c4e1c101c999b4ec46dac55f01439d74441e86fdb30ae9dfb7bf6fd60b3c12f5f9103e0c80

  • SSDEEP

    6144:zloZMLrIkd8g+EtXHkv/iD4xI/s48e1mF0i:xoZ0L+EP8xgO9

  Score

  10^/10

  umbralexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Umbral family

    umbral

  • 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