Overview

overview

8

Static

static

3

PassatHook.exe

windows10-2004-x64

6

PassatHook.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    900s
  • max time network
    434s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 02:52

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General

  • Target
    PassatHook.exe
  • Size 15.1MB
  • Sample260715-dc69ksds2s
  • SHA256 8dbb11ffacdb595badbfc3feb8cf92e2a892a8d4b4d32430025416143b5d03bd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\PassatHook.exe
    "C:\Users\Admin\AppData\Local\Temp\PassatHook.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4176
    • C:\Users\Admin\AppData\Local\Temp\PassatHook.exe
      "C:\Users\Admin\AppData\Local\Temp\PassatHook.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:4628
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5124
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1412
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:5220
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5128
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3720
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3448

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/3720-232-0x0000019603490000-0x000001960358F000-memory.dmp
            Download

            memory/3720-202-0x0000019603490000-0x000001960358F000-memory.dmp
            Download

            memory/4176-9-0x00000001403ED000-0x0000000140C4D000-memory.dmp
            Download

            memory/4176-1-0x00007FFB447F0000-0x00007FFB447F2000-memory.dmp
            Download

            memory/4176-0-0x00000001403ED000-0x0000000140C4D000-memory.dmp
            Download

            memory/4176-10-0x0000000140000000-0x0000000141B6A000-memory.dmp
            Download

            memory/4176-7-0x0000000140000000-0x0000000141B6A000-memory.dmp
            Download

            memory/4176-2-0x00007FFB44800000-0x00007FFB44802000-memory.dmp
            Download

            memory/4176-8-0x0000000140000000-0x0000000141B6A000-memory.dmp
            Download

            memory/4628-11-0x0000000140000000-0x0000000141B6A000-memory.dmp
            Download

            memory/4628-14-0x0000000140000000-0x0000000141B6A000-memory.dmp
            Download

            memory/4628-18-0x0000000140000000-0x0000000141B6A000-memory.dmp
            Download

            memory/5128-87-0x00000254946A0000-0x00000254946C0000-memory.dmp
            Download

            memory/5128-62-0x0000025482A30000-0x0000025482A50000-memory.dmp
            Download

            memory/5128-73-0x0000025482C90000-0x0000025482CB0000-memory.dmp
            Download

            memory/5128-43-0x00000254801E0000-0x00000254802E0000-memory.dmp
            Download

            memory/5128-41-0x00000254801E0000-0x00000254802E0000-memory.dmp
            Download

            memory/5128-64-0x0000025494000000-0x0000025494100000-memory.dmp
            Download

            memory/5128-42-0x00000254801E0000-0x00000254802E0000-memory.dmp
            Download