Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 01:04

General

  • Target
    CEREJA DO BOLO 1 (2).exe
  • Size 11.5MB
  • Sample260808-bexf2szvaw
  • SHA256 8e3dd4f24f65234cfc2aaae7d84f2a9ebc167ab47cb50f4422d5974d44d5ffe7
  • 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.

  • Downloads MZ/PE file 1 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Loads dropped DLL 8 IoCs
  • Stops running service(s) 4 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 Program Files directory 19 IoCs
  • Drops file in Windows directory 7 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 53 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\CEREJA DO BOLO 1 (2).exe
    "C:\Users\Admin\AppData\Local\Temp\CEREJA DO BOLO 1 (2).exe"
    1⤵
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Windows\system32\taskkill.exe
      "C:\Windows\system32\taskkill.exe" /f /im explorer.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4648
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c ""C:\Windows\system32\sc.exe" stop ep_dwm_D17F1E1A-5919-4427-8F89-A1A8503CA3EB & "C:\Windows\system32\sc.exe" delete ep_dwm_D17F1E1A-5919-4427-8F89-A1A8503CA3EB & "
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5664
      • C:\Windows\system32\sc.exe
        "C:\Windows\system32\sc.exe" stop ep_dwm_D17F1E1A-5919-4427-8F89-A1A8503CA3EB
        3⤵
        • Launches sc.exe
        PID:1340
      • C:\Windows\system32\sc.exe
        "C:\Windows\system32\sc.exe" delete ep_dwm_D17F1E1A-5919-4427-8F89-A1A8503CA3EB
        3⤵
        • Launches sc.exe
        PID:4584
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop ep_dwm_D17F1E1A-5919-4427-8F89-A1A8503CA3EB
      2⤵
      • Launches sc.exe
      PID:4620
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" start ep_dwm_D17F1E1A-5919-4427-8F89-A1A8503CA3EB
      2⤵
      • Launches sc.exe
      PID:4404
    • C:\Windows\system32\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files\ExplorerPatcher\ep_weather_host.dll"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:3380
    • C:\Windows\system32\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files\ExplorerPatcher\ep_weather_host_stub.dll"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:1480
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Downloads MZ/PE file
      • Loads dropped DLL
      • 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:1144
  • 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:5552
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Loads dropped DLL
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1948

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        WebView2Loader.dll

        • Path C:\Program Files\ExplorerPatcher\WebView2Loader.dll
        • Size 155KB
        • SHA256 ae26d6ef7c8f6b533585ead76318b6cbf8efad708064953a312dd97f4761ba45
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pnidui.dll.mui

        • Path C:\Program Files\ExplorerPatcher\en-US\pnidui.dll.mui
        • Size 7KB
        • SHA256 ae0d2655cb9806b5c16b92f82d698f5c98feaef1f78ebdd6014dccc8304184ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ep_gui.dll

        • Path C:\Program Files\ExplorerPatcher\ep_gui.dll
        • Size 796KB
        • SHA256 065111c4c6435a69a83f5d1e0f264879c9a2d7632d7298aeba56048f945e6f36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ep_taskbar.5.dll

        • Path C:\Program Files\ExplorerPatcher\ep_taskbar.5.dll
        • Size 2.4MB
        • SHA256 96ab0d77bee8aa353ebcd2ac7c2884f6c9dd61a93e2cd6948cd8d9745ed2933e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ep_weather_host.dll

        • Path C:\Program Files\ExplorerPatcher\ep_weather_host.dll
        • Size 242KB
        • SHA256 fb170dda4f77d291c92843469a279522f974817c1f6e468a37318414ec62c1b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ep_weather_host_stub.dll

        • Path C:\Program Files\ExplorerPatcher\ep_weather_host_stub.dll
        • Size 107KB
        • SHA256 1f071ed23f399c1bda4095866cab4d46786790f88eecab481bc59abd045bac91
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pnidui.dll

        • Path C:\Program Files\ExplorerPatcher\pnidui.dll
        • Size 2.0MB
        • SHA256 52e9c88cb50ef98e683839ab62880180f0dd3db3e1c445ea461ae63d97a349d3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Properties (ExplorerPatcher).lnk

        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\ExplorerPatcher\Properties (ExplorerPatcher).lnk
        • Size 1KB
        • SHA256 6384ca94278560093130748303fb721a750cc2e5be60b8256d78d6daa4505378
        • 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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH

        StartDocked.pdb

        • Path C:\Users\Admin\AppData\Roaming\ExplorerPatcher\StartDocked.pdb
        • Size 19.2MB
        • SHA256 f3ae7a839a71d71777e73dcef2c746e50de817f7fc55b693f442921db8f50672
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartUI.pdb

        • Path C:\Users\Admin\AppData\Roaming\ExplorerPatcher\StartUI.pdb
        • Size 34.0MB
        • SHA256 7bf15ec5f19f0b2d35149ddf642ea08e528b178e2c7145982e5a8a8a1f5ddddf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.pdb

        • Path C:\Users\Admin\AppData\Roaming\ExplorerPatcher\explorer.pdb
        • Size 2.9MB
        • SHA256 d1a3b2eae2fe59758dae319da8d274b25a288ebca63b26ccb4fd8d1f2a27d114
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartUI_.dll

        • Path C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartUI_.dll
        • Size 8.3MB
        • SHA256 715b75b289dd2efc34fb0ffd924fcd38a34fee9fc5e93a207fcada7cb38f6508
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dxgi.dll

        • Path C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\dxgi.dll
        • Size 610KB
        • SHA256 7fc085e586d7e461a5c3e3efd7f7e1c392cc7a384fccafb832117bff2cd1e249
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wincorlib.DLL

        • Path C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\wincorlib.DLL
        • Size 163KB
        • SHA256 b376196022b58d3443811c6195f7c02bc9958ab04004f17b6602d55ceb05e4f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dxgi.dll

        • Path C:\Windows\dxgi.dll
        • Size 610KB
        • SHA256 4fbeb0c3f5ed552237789eac29bc14d3f68bb1a009247473b191cf78c863cbcb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1144-84-0x00007FFEEC020000-0x00007FFEEC283000-memory.dmp

        memory/1144-42-0x00007FFEEFC10000-0x00007FFEEFE98000-memory.dmp

        memory/1144-85-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-77-0x00007FFF07840000-0x00007FFF07BBC000-memory.dmp

        memory/1144-83-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-82-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-81-0x00007FFF07140000-0x00007FFF07836000-memory.dmp

        memory/1144-79-0x00007FFF07140000-0x00007FFF07836000-memory.dmp

        memory/1144-78-0x00007FFF07140000-0x00007FFF07836000-memory.dmp

        memory/1144-76-0x00007FFEEC020000-0x00007FFEEC283000-memory.dmp

        memory/1144-75-0x00007FFEEC020000-0x00007FFEEC283000-memory.dmp

        memory/1144-74-0x00007FFEEC020000-0x00007FFEEC283000-memory.dmp

        memory/1144-73-0x00007FFEEC020000-0x00007FFEEC283000-memory.dmp

        memory/1144-72-0x00007FFEEC020000-0x00007FFEEC283000-memory.dmp

        memory/1144-71-0x00007FFEEC020000-0x00007FFEEC283000-memory.dmp

        memory/1144-70-0x00007FFEEC020000-0x00007FFEEC283000-memory.dmp

        memory/1144-67-0x00007FFEF2CE0000-0x00007FFEF3593000-memory.dmp

        memory/1144-66-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-60-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-63-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-62-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-59-0x00007FFEF1800000-0x00007FFEF1D4B000-memory.dmp

        memory/1144-52-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-54-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-53-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-50-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-49-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-48-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-55-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-51-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-43-0x00007FFEEFC10000-0x00007FFEEFE98000-memory.dmp

        memory/1144-80-0x00007FFF07140000-0x00007FFF07836000-memory.dmp

        memory/1144-40-0x00007FFEEFC10000-0x00007FFEEFE98000-memory.dmp

        memory/1144-38-0x00007FFEEFC10000-0x00007FFEEFE98000-memory.dmp

        memory/1144-41-0x00007FFEEFC10000-0x00007FFEEFE98000-memory.dmp

        memory/1144-37-0x00007FFF07140000-0x00007FFF07836000-memory.dmp

        memory/1144-39-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-36-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-88-0x00007FFEF73C0000-0x00007FFEF7404000-memory.dmp

        memory/1144-87-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-86-0x00007FFEF73C0000-0x00007FFEF7404000-memory.dmp

        memory/1144-65-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-64-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-61-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-57-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-56-0x00007FF74F7F0000-0x00007FF74FA9D000-memory.dmp

        memory/1144-35-0x00007FFF07140000-0x00007FFF07836000-memory.dmp

        memory/1144-46-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-45-0x00007FFEEFC10000-0x00007FFEEFE98000-memory.dmp

        memory/1144-44-0x00007FFEEFC10000-0x00007FFEEFE98000-memory.dmp

        memory/1144-222-0x00007FFEE77D0000-0x00007FFEE79DB000-memory.dmp

        memory/1144-224-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/1144-221-0x00007FFEE77D0000-0x00007FFEE79DB000-memory.dmp

        memory/1144-223-0x00007FFEE77D0000-0x00007FFEE79DB000-memory.dmp

        memory/1144-58-0x00007FFEC7290000-0x00007FFEC72A0000-memory.dmp

        memory/5552-129-0x000002E093EF0000-0x000002E093FF0000-memory.dmp

        memory/5552-159-0x000002E0942B0000-0x000002E0942D0000-memory.dmp

        memory/5552-126-0x000002E083CB0000-0x000002E083CD0000-memory.dmp

        memory/5552-141-0x000002E083E50000-0x000002E083E70000-memory.dmp

        memory/5552-314-0x000002E0DB260000-0x000002E0DCB3C000-memory.dmp

        memory/5552-109-0x000002E0801E0000-0x000002E0802E0000-memory.dmp

        memory/5552-329-0x000002E0DB260000-0x000002E0DCB3C000-memory.dmp