Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 13:48

General

  • Target
    Remove Cast to Device context menu.bat
  • Size 219B
  • Sample261030-q4e1macw8y
  • SHA256 3766b4067ad7f1d526d959f7d3ab1f9c5d9b1fed0fe83bf21b02074e922e95e3
  • MD5 SHA1 SHA512 TLSH

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.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Remove Cast to Device context menu.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:692
    • C:\Windows\system32\reg.exe
      REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Blocked" /V {7AD84985-87B4-4a16-BE58-8B72A5B390F7} /T REG_SZ /D "Play to Menu" /F
      2⤵
        PID:4364
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im explorer.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1952
      • C:\Windows\explorer.exe
        explorer.exe
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:5020
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:5960
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4076

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          microsoft.windows[1].xml

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\MAMP4A6E\microsoft.windows[1].xml
          • Size 97B
          • SHA256 200b3a1bb57191713b309f8d2ccb739db5f0c2cc2866eb951290a820f8254df0
          • MD5 SHA1 SHA512 TLSH

          AppCache134378417404820130.txt.~tmp

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134378417404820130.txt.~tmp
          • Size 89KB
          • SHA256 80571536ba79843b3b10e64b6b953030f2f540d2a6b32f44924ae369c5186369
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4076-11-0x000001AE2C500000-0x000001AE2C600000-memory.dmp

          memory/4076-10-0x000001AE2C500000-0x000001AE2C600000-memory.dmp

          memory/4076-23-0x000001AE2D470000-0x000001AE2D490000-memory.dmp

          memory/4076-14-0x000001AE2D4B0000-0x000001AE2D4D0000-memory.dmp

          memory/4076-45-0x000001AE2D880000-0x000001AE2D8A0000-memory.dmp

          memory/4076-9-0x000001AE2C500000-0x000001AE2C600000-memory.dmp

          memory/5020-8-0x0000000002B00000-0x0000000002B01000-memory.dmp