Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 00:49

General

  • Target
    2026-07-08_67e404aa61515ae5ad7a5c1bc7d8255e_conti.exe
  • Size 21KB
  • Sample260709-a6ppvab17y
  • SHA256 f88f445a19a7a81d169c5e7025003c9f34ae042978ed1e2fb5ff29a8122e9d74
  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\2026-07-08_67e404aa61515ae5ad7a5c1bc7d8255e_conti.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-08_67e404aa61515ae5ad7a5c1bc7d8255e_conti.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5820
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\WindowsHelper' -ErrorAction SilentlyContinue"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5052
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /tn "WindowsHelperUpdate" /tr "C:\ProgramData\WindowsHelper\whelper.exe" /sc hourly /mo 3 /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2712
    • C:\ProgramData\WindowsHelper\whelper.exe
      "C:\ProgramData\WindowsHelper\whelper.exe"
      2⤵
      • Executes dropped EXE
      PID:5092
  • C:\ProgramData\WindowsHelper\whelper.exe
    C:\ProgramData\WindowsHelper\whelper.exe
    1⤵
    • Executes dropped EXE
    PID:2560
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:264
    • 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:5952
  • 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:2496
  • 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:5140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        whelper.exe

        • Path C:\ProgramData\WindowsHelper\whelper.exe
        • Size 21KB
        • SHA256 f88f445a19a7a81d169c5e7025003c9f34ae042978ed1e2fb5ff29a8122e9d74
        • MD5 SHA1 SHA512 SSDEEP 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 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH

        memory/2496-73-0x0000025A93D70000-0x0000025A93E70000-memory.dmp

        memory/2496-84-0x0000025A83B90000-0x0000025A83BB0000-memory.dmp

        memory/2496-72-0x0000025A83930000-0x0000025A83950000-memory.dmp

        memory/2496-105-0x0000025A94710000-0x0000025A94730000-memory.dmp

        memory/2496-59-0x0000025A801E0000-0x0000025A802E0000-memory.dmp

        memory/2560-33-0x00007FF796BC0000-0x00007FF796BCD000-memory.dmp

        memory/5052-12-0x00000213E9450000-0x00000213E946E000-memory.dmp

        memory/5052-9-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-14-0x00000213D1300000-0x00000213D130A000-memory.dmp

        memory/5052-15-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-16-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-17-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-18-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-19-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-20-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-22-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-0-0x00007FFC1BCBF000-0x00007FFC1BCC0000-memory.dmp

        memory/5052-13-0x00000213E9710000-0x00000213E97C2000-memory.dmp

        memory/5052-1-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-5-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-4-0x00000213E9420000-0x00000213E9442000-memory.dmp

        memory/5052-38-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-8-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-7-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5052-6-0x00007FFC1BB30000-0x00007FFC1C4D4000-memory.dmp

        memory/5092-36-0x00007FF796BC0000-0x00007FF796BCD000-memory.dmp

        memory/5820-37-0x00007FF6FF600000-0x00007FF6FF60D000-memory.dmp

        memory/5820-34-0x00007FF6FF600000-0x00007FF6FF60D000-memory.dmp

        memory/5952-226-0x000000000E520000-0x000000000E68C000-memory.dmp

        memory/5952-227-0x000000000E180000-0x000000000E22E000-memory.dmp