Extracted

• • Target

    boosttool1.exe

  • Size

    411KB

  • MD5

    3744fcd13385f8698aefbd25458b555f

  • SHA1

    3ad84176dd5b9a3196fa278be1e8e5ef508ddd21

  • SHA256

    fb0e0f437401fbdf3802b3399fd3705100db1c5859680b2240a1f794d48997d7

  • SHA512

    16a75080102d960f09b904037ee16db0c5bcfa16e551c1450e03bf12bac4908d0516ded36158bab3a165894529144705d69647aebb716882b3e5b1946b3a0a0c

  • SSDEEP

    12288:soZtL+EP8huEPecjfUB1gevPeg/x4s5dMk:kI8wEPecjfUB1gevPegPMk

  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

  • 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