Overview

overview

8

Static

static

5

WindowsHel...ed.exe

windows10-2004-x64

7

WindowsHel...ed.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    111s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 15:59

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General

  • Target
    WindowsHelperApp_patched.exe
  • Size 15.7MB
  • Sample260705-te919ahs8p
  • SHA256 260f2d62bfecd03062c92e53d86b583d171e8f0153de3631cbfc5cc8bb3d10ce
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespywareupx

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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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\WindowsHelperApp_patched.exe
    "C:\Users\Admin\AppData\Local\Temp\WindowsHelperApp_patched.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    PID:1124
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3156
    • 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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1516
  • 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:1112
  • 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:4756

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 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1112-40-0x0000019502A30000-0x0000019502A50000-memory.dmp
        Download

        memory/1112-41-0x0000019502E90000-0x0000019502F90000-memory.dmp
        Download

        memory/1112-26-0x00000195001E0000-0x00000195002E0000-memory.dmp
        Download

        memory/1112-52-0x0000019502C90000-0x0000019502CB0000-memory.dmp
        Download

        memory/1112-27-0x00000195001E0000-0x00000195002E0000-memory.dmp
        Download

        memory/1112-71-0x00000195141D0000-0x00000195141F0000-memory.dmp
        Download

        memory/1112-25-0x00000195001E0000-0x00000195002E0000-memory.dmp
        Download

        memory/1124-3-0x00007FF7CC940000-0x00007FF7CE1F7000-memory.dmp
        Download

        memory/1124-1-0x0000016C804C0000-0x0000016C804D0000-memory.dmp
        Download

        memory/1124-5-0x00007FF7CC940000-0x00007FF7CE1F7000-memory.dmp
        Download

        memory/1124-4-0x00007FF7CC940000-0x00007FF7CE1F7000-memory.dmp
        Download

        memory/1124-0-0x00007FF7CC940000-0x00007FF7CE1F7000-memory.dmp
        Download

        memory/1124-207-0x00007FF7CC940000-0x00007FF7CE1F7000-memory.dmp
        Download

        memory/1124-212-0x00007FF7CC940000-0x00007FF7CE1F7000-memory.dmp
        Download

        memory/1516-197-0x000000000E420000-0x000000000E4EC000-memory.dmp
        Download