Extracted

• • Target

    Woofer.exe

  • Size

    229KB

  • MD5

    8a2615083862de25f6d86c69304a4078

  • SHA1

    4c88dbba86b4023a22700671e2116c96bd8ebb0f

  • SHA256

    8cbfb916aafe951957c1c79531deaa85f3c3d71bd9afa0b42d0996c71371116f

  • SHA512

    ae108ba79a2f5782aa82f90fda878ccc442f15c0938011b5d03bafb0f4c72497813b21f8bf7c4f358f232bf118946e556d2315cf52cdc91c6dd992d7bd326df4

  • SSDEEP

    6144:lloZMArIkd8g+EtXHkv/iD45GEoaxfEY32mfh8ItRub8e1mfi:noZHL+EP85GEoaxfEY32mfh8It8V

  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

  • Downloads MZ/PE file

  • 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