Analysis

  • max time kernel
    31s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/04/2025, 13:23

General

  • Target

    Activation/STEAMWEBHELPER.EXE.pf

  • Size

    26KB

  • MD5

    7aea61a4ecf5352fe47743bcabf11ead

  • SHA1

    e11f6f67ff4fd82185d397f8be827bdcd7f501c7

  • SHA256

    db4dac3919addaa5672c252761a6d1e9328cfdc604bd7e6cce2d45ef253adf1c

  • SHA512

    24e454029419850441e11361749f8c31cb069ab54163c0cb7c6c3e0a9e2d7e561def90fc6c61fb1f5c0c483a5544b783bbc61affb3b3d7c6081b384b5bc074d5

  • SSDEEP

    384:B72Ml1tWLaXvkVG8qGjflds8FkNZNPYTvOOktNbi52e4lo045h:BCMl1yaX8VfqG/s8+NZNATWt052U045h

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Activation\STEAMWEBHELPER.EXE.pf
    1⤵
    • Modifies registry class
    PID:2708
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4624

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads