Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 20:51

General

  • Target
    file.exe
  • Size 2.3MB
  • Sample260708-znf3eshz4x
  • SHA256 3e9eb8d346a1c1d1fc6e8d575d35cf4766d5affcae97dc2d22ff9eb2e452b06b
  • 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.

  • Executes dropped EXE 4 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 40 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 40 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:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe
      "C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe"
      2⤵
      • Executes dropped EXE
      PID:1208
  • C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe
    "C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe"
    1⤵
    • Executes dropped EXE
    PID:5996
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5824
    • 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:5140
  • 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:3548
  • 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:5944
  • C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe
    "C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe"
    1⤵
    • Executes dropped EXE
    PID:5132
  • C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe
    "C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe"
    1⤵
    • Executes dropped EXE
    PID:596

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

        exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\10000060101\exe.exe
        • Size 9KB
        • SHA256 0ad150b117f9d8f654cb9d4797d9946019e4f8051d1225fafea4135963be8153
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Ofyheupnpz.exe

        • Path C:\Users\Admin\AppData\Local\Temp\fc2def150a\Ofyheupnpz.exe
        • Size 2.3MB
        • SHA256 3e9eb8d346a1c1d1fc6e8d575d35cf4766d5affcae97dc2d22ff9eb2e452b06b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1208-17-0x0000000140000000-0x000000014008C000-memory.dmp

        memory/1208-5-0x0000000140000000-0x000000014008C000-memory.dmp

        memory/1208-4-0x0000000140000000-0x000000014008C000-memory.dmp

        memory/1208-24-0x0000000140000000-0x000000014008C000-memory.dmp

        memory/3548-28-0x000001E60AB30000-0x000001E60AC30000-memory.dmp

        memory/3548-41-0x000001E602690000-0x000001E6026B0000-memory.dmp

        memory/3548-71-0x000001E602B70000-0x000001E602B90000-memory.dmp

        memory/3548-36-0x000001E6027B0000-0x000001E6028B0000-memory.dmp

        memory/3548-35-0x000001E602360000-0x000001E602380000-memory.dmp

        memory/4892-0-0x0000000140000000-0x000000014008C000-memory.dmp

        memory/4892-3-0x0000000140000000-0x000000014008C000-memory.dmp