Overview

overview

10

Static

static

5

OP-5.zip

windows10-2004-x64

10

OP-5.zip

windows11-ltsc_2024-x64

10

OP-5/NO-5.exe

windows10-2004-x64

10

OP-5/NO-5.exe

windows11-ltsc_2024-x64

10

OP-5/d3d9core.png

windows10-2004-x64

1

OP-5/d3d9core.png

windows11-ltsc_2024-x64

8

OP-5/libcef.dll

windows10-2004-x64

3

OP-5/libcef.dll

windows11-ltsc_2024-x64

3

Analysis

  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    552s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/10/2026, 14:17

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General

  • Target
    OP-5/d3d9core.png
  • Size 3KB
  • Sample261026-rlxcmaxsg1
  • SHA256 de00dc70c1f4760b3ff1d6b1d188cc9aab77a31a1c576ca8fe14fffd6a9934bf
  • MD5 SHA1 SHA512 TLSH
Score
8/10
adwarepersistenceransomwarespyware

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.

    persistence
  • 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 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 21 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\system32\mspaint.exe
    "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\OP-5\d3d9core.png"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:3892
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
    • Checks SCSI registry key(s)
    PID:4192
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1320
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1448
      • 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 behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4928
        • C:\Windows\system32\taskmgr.exe
          "C:\Windows\system32\taskmgr.exe" /4
          3⤵
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2312
    • 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:540
    • 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:4420
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:2704

      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 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            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 603B
            • SHA256 b346273b0f3e13afaa9f07d97248343c45a667a5e097d1198a449a4de187aebb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/540-4-0x000001C0001E0000-0x000001C0002E0000-memory.dmp
            Download

            memory/540-54-0x000001C0041F0000-0x000001C004210000-memory.dmp
            Download

            memory/540-23-0x000001C002E70000-0x000001C002F70000-memory.dmp
            Download

            memory/540-38-0x000001C002C70000-0x000001C002C90000-memory.dmp
            Download

            memory/540-22-0x000001C002A10000-0x000001C002A30000-memory.dmp
            Download

            memory/540-3-0x000001C0001E0000-0x000001C0002E0000-memory.dmp
            Download

            memory/540-5-0x000001C0001E0000-0x000001C0002E0000-memory.dmp
            Download

            memory/540-182-0x000001C006C00000-0x000001C006DE3000-memory.dmp
            Download

            memory/540-314-0x000001C009FC0000-0x000001C00A0C0000-memory.dmp
            Download

            memory/2312-666-0x0000028892D30000-0x0000028892D31000-memory.dmp
            Download

            memory/2312-664-0x0000028892D30000-0x0000028892D31000-memory.dmp
            Download

            memory/2312-675-0x0000028892D30000-0x0000028892D31000-memory.dmp
            Download

            memory/2312-672-0x0000028892D30000-0x0000028892D31000-memory.dmp
            Download

            memory/2312-674-0x0000028892D30000-0x0000028892D31000-memory.dmp
            Download

            memory/2312-673-0x0000028892D30000-0x0000028892D31000-memory.dmp
            Download

            memory/2312-671-0x0000028892D30000-0x0000028892D31000-memory.dmp
            Download

            memory/2312-670-0x0000028892D30000-0x0000028892D31000-memory.dmp
            Download