Extracted

• • Target

    osintool.exe

  • Size

    632KB

  • MD5

    20181934a508ec23e7c2223be3c58e3b

  • SHA1

    a29f3f89d10ff05f4589466bc11a2fd45016e0e5

  • SHA256

    28fda1422979b63fd9b489a76cf5e43e68aa095eae547e96f050550b37208cab

  • SHA512

    8f0a1dfa0e627d7779754cd045dc9dcaedbcb332870962706a9bbcc69d9383c8166c940844047ba4a85e3209f5bf0d284f7e84e67345347f8f2c21d93ef043f7

  • SSDEEP

    12288:hoZtL+EP8shN9rI8jS67NokRq8zNiMdRC:fI8iN9rI8jS67NokRlBiMdA

  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

  • 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