Analysis

  • max time kernel
    899s
  • max time network
    854s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 09:05

General

  • Target
    G9et_nvmh7T5DR6nP6xXKU9JS8B_U8km_2026-08-20T08_57_17.249Z.eml
  • Size 26KB
  • Sample260820-k2bbrstbmc
  • SHA256 a5f7604b5e3dfca4126d6b40bead90f6ec63b3d44d9876cb9abc105fcb0c0e85
  • 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.

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 45 IoCs
  • Suspicious use of SetWindowsHookEx 36 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:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" /eml "C:\Users\Admin\AppData\Local\Temp\G9et_nvmh7T5DR6nP6xXKU9JS8B_U8km_2026-08-20T08_57_17.249Z.eml"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:5808
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3628
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4452
      • 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:2636
    • 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:5052
    • 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:2756
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:2336

      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

            memory/2636-271-0x000000000E3E0000-0x000000000E54C000-memory.dmp

            memory/5052-86-0x0000024BABCB0000-0x0000024BABDB0000-memory.dmp

            memory/5052-95-0x0000024B93920000-0x0000024B93A20000-memory.dmp

            memory/5052-93-0x0000024B80FE0000-0x0000024B81000000-memory.dmp

            memory/5052-100-0x0000024B83740000-0x0000024B83760000-memory.dmp

            memory/5052-130-0x0000024B94150000-0x0000024B94170000-memory.dmp

            memory/5808-10-0x00007FFBD1D40000-0x00007FFBD1FA3000-memory.dmp

            memory/5808-14-0x00007FFB8F900000-0x00007FFB8F910000-memory.dmp

            memory/5808-9-0x00007FFBD1D40000-0x00007FFBD1FA3000-memory.dmp

            memory/5808-0-0x00007FFB91E80000-0x00007FFB91E90000-memory.dmp

            memory/5808-11-0x00007FFBD1D40000-0x00007FFBD1FA3000-memory.dmp

            memory/5808-13-0x00007FFB8F900000-0x00007FFB8F910000-memory.dmp

            memory/5808-12-0x00007FFBD1D40000-0x00007FFBD1FA3000-memory.dmp

            memory/5808-8-0x00007FFBD1D40000-0x00007FFBD1FA3000-memory.dmp

            memory/5808-44-0x00007FFBD1D40000-0x00007FFBD1FA3000-memory.dmp

            memory/5808-7-0x00007FFBD1D40000-0x00007FFBD1FA3000-memory.dmp

            memory/5808-6-0x00007FFB91E80000-0x00007FFB91E90000-memory.dmp

            memory/5808-4-0x00007FFB91E80000-0x00007FFB91E90000-memory.dmp

            memory/5808-5-0x00007FFBD1D40000-0x00007FFBD1FA3000-memory.dmp

            memory/5808-1-0x00007FFB91E80000-0x00007FFB91E90000-memory.dmp

            memory/5808-2-0x00007FFB91E80000-0x00007FFB91E90000-memory.dmp

            memory/5808-3-0x00007FFBD1E9F000-0x00007FFBD1EA0000-memory.dmp