Extracted

• • Target

    f66e2d7ea0cafc94b9ae2dea2b86bdd37a26dfa02381f82ea8a791c7a6025f80N.exe

  • Size

    1.6MB

  • MD5

    4131bbc8e8e1f839b6d116fbdc75b760

  • SHA1

    40c1cc07a70cc1183cd096ccf2f5322d4ede7149

  • SHA256

    f66e2d7ea0cafc94b9ae2dea2b86bdd37a26dfa02381f82ea8a791c7a6025f80

  • SHA512

    908d5482a530ff722f988356beccb8c6904d5acbcdb40dc2608098e0abcfc1a1991ebb615e5ab69716f3d96ca1049dd45850ff97c632ac1304ecee0da629ca4b

  • SSDEEP

    24576:YcNnc2ZIQ2tRXUDo42d2ZCZbyLiVLVakZdwBuC/y45doBmkI+GgUVjt:blDoh2G+LiVzAsC/y8V

  Score

  10^/10

  umbraldiscoveryexecutionspywarestealer

  • 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

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Drops file in Drivers directory

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE

  • 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