Analysis

  • max time kernel
    3600s
  • max time network
    3236s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 23:13

General

  • Target
    Power Off.exe
  • Size 621KB
  • Sample260807-27e1ksdn8x
  • SHA256 f9d12723a5ac3ade8212b4ec2f2b8452b7deb10e071bcb4e50a9cb6cb85b1457
  • MD5 SHA1 SHA512 SSDEEP 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.

  • 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
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 58 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 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.

  • 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:\Users\Admin\AppData\Local\Temp\Power Off.exe
    "C:\Users\Admin\AppData\Local\Temp\Power Off.exe"
    1⤵
      PID:3564
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4632
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4496
        • 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:4520
      • 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:4008
      • 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:3988
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:4548
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:2888
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k GPSvcGroup
            1⤵
              PID:2932
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k GPSvcGroup
              1⤵
                PID:5480

              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 603B
                    • SHA256 76051c7134ef5b2b172ae67cc7317ea11daedcc3d11f55c52922e505f501568b
                    • MD5 SHA1 SHA512 TLSH

                    memory/3564-12-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-10-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-4-0x000000001C160000-0x000000001C1FC000-memory.dmp

                    memory/3564-3-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-5-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-7-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-6-0x00000000011A0000-0x00000000011A8000-memory.dmp

                    memory/3564-8-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-9-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-14-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-11-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-0-0x00007FFEB997A000-0x00007FFEB997B000-memory.dmp

                    memory/3564-2-0x000000001BBF0000-0x000000001C0BE000-memory.dmp

                    memory/3564-15-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-13-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3564-16-0x00007FFEB997A000-0x00007FFEB997B000-memory.dmp

                    memory/3564-1-0x00007FFEB9680000-0x00007FFEBA0B8000-memory.dmp

                    memory/3988-207-0x0000020369710000-0x0000020369B44000-memory.dmp

                    memory/4008-20-0x00000243801E0000-0x00000243802E0000-memory.dmp

                    memory/4008-34-0x0000024381D60000-0x0000024381E60000-memory.dmp

                    memory/4008-32-0x0000024381910000-0x0000024381930000-memory.dmp

                    memory/4008-66-0x00000243945C0000-0x00000243945E0000-memory.dmp

                    memory/4008-52-0x0000024381B60000-0x0000024381B80000-memory.dmp

                    memory/4008-21-0x00000243801E0000-0x00000243802E0000-memory.dmp

                    memory/4008-22-0x00000243801E0000-0x00000243802E0000-memory.dmp