Resubmissions

06/08/2026, 10:09

260806-l6vrmsydre8

06/08/2026, 09:48

260806-ls2m2aybnb8

Analysis

  • max time kernel
    600s
  • max time network
    463s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/08/2026, 09:48

General

  • Target
    attachment-4.eml
  • Size 18KB
  • Sample260806-ls2m2aybnb
  • SHA256 294a257b92f8c846e59c43725493f5687f211269e49894d5098741951b1fd044
  • 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 40 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 45 IoCs
  • Suspicious use of SetWindowsHookEx 40 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\attachment-4.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:4232
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4440
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3160
      • 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:4180
    • 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:4064
    • 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:4032

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          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

          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 595B
          • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
          • MD5 SHA1 SHA512 TLSH

          memory/4032-256-0x0000023B09930000-0x0000023B09A2F000-memory.dmp

          memory/4064-127-0x0000027994190000-0x00000279941B0000-memory.dmp

          memory/4064-83-0x0000027980150000-0x0000027980250000-memory.dmp

          memory/4064-92-0x00000279829D0000-0x00000279829F0000-memory.dmp

          memory/4064-94-0x0000027982DD0000-0x0000027982ED0000-memory.dmp

          memory/4064-113-0x0000027982C10000-0x0000027982C30000-memory.dmp

          memory/4064-81-0x0000027980150000-0x0000027980250000-memory.dmp

          memory/4232-2-0x00007FFBBA040000-0x00007FFBBA050000-memory.dmp

          memory/4232-10-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-11-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-13-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-14-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-15-0x00007FFBB7440000-0x00007FFBB7450000-memory.dmp

          memory/4232-12-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-16-0x00007FFBB7440000-0x00007FFBB7450000-memory.dmp

          memory/4232-36-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-9-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-8-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-1-0x00007FFBBA040000-0x00007FFBBA050000-memory.dmp

          memory/4232-0-0x00007FFBBA040000-0x00007FFBBA050000-memory.dmp

          memory/4232-4-0x00007FFBBA040000-0x00007FFBBA050000-memory.dmp

          memory/4232-7-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp

          memory/4232-3-0x00007FFBFA05F000-0x00007FFBFA060000-memory.dmp

          memory/4232-6-0x00007FFBBA040000-0x00007FFBBA050000-memory.dmp

          memory/4232-5-0x00007FFBF9F00000-0x00007FFBFA163000-memory.dmp