Resubmissions

06/07/2026, 01:26

260706-bt2z3scx5m6

06/07/2026, 01:13

260706-bk3v1sgz5t6

06/07/2026, 00:57

260706-bbfdcscw9p8

Analysis

  • max time kernel
    899s
  • max time network
    428s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 00:57

General

  • Target
    executorch.jar
  • Size 1.4MB
  • Sample260706-bbfdcscw9p
  • SHA256 c2b1c2cfbdf9fbc21195b9942cab7463fe46a00a3f8a69e04a173556a2e6980d
  • 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 61 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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
    cmd /c mkdir "%TEMP%\ext" & "C:\Program Files\7-Zip\7z.exe" x C:\Users\Admin\AppData\Local\Temp\executorch.jar -o"%TEMP%\ext" -y & for /r "%TEMP%\ext" %f in (*.exe *.bat *.vbs *.cmd *.ps1 *.doc *.docx *.xls *.xlsx *.pdf *.jpg *.png) do start "" "%f"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Program Files\7-Zip\7z.exe
      "C:\Program Files\7-Zip\7z.exe" x C:\Users\Admin\AppData\Local\Temp\executorch.jar -o"C:\Users\Admin\AppData\Local\Temp\ext" -y
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1512
    • 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:3024
  • 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:1712
  • 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:760
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5388
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:1156

      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

            memory/760-199-0x000001A480740000-0x000001A4809FC000-memory.dmp

            memory/760-208-0x000001A480740000-0x000001A4809FC000-memory.dmp

            memory/1712-15-0x000001C7801E0000-0x000001C7802E0000-memory.dmp

            memory/1712-17-0x000001C7801E0000-0x000001C7802E0000-memory.dmp

            memory/1712-61-0x000001C794210000-0x000001C794230000-memory.dmp

            memory/1712-35-0x000001C793F20000-0x000001C794020000-memory.dmp

            memory/1712-45-0x000001C783C90000-0x000001C783CB0000-memory.dmp

            memory/1712-34-0x000001C783A30000-0x000001C783A50000-memory.dmp