Overview

overview

8

Static

static

3

2026-06-29...ee.exe

windows10-2004-x64

6

2026-06-29...ee.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    91s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/06/2026, 12:15

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General

  • Target
    2026-06-29_1dfa52432397ce5584ed1cdc993357af_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260630-pevjcaew5w
  • SHA256 c98039f4cdd2064dc3c546e8cccdb38809e9eedd02a808373d3908805cde20b5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

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
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

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

    discovery
  • 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 System32 directory 5 IoCs
  • Drops file in Program Files directory 53 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-29_1dfa52432397ce5584ed1cdc993357af_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-29_1dfa52432397ce5584ed1cdc993357af_elex_remcos_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1536
  • C:\Users\Admin\AppData\Local\Temp\2026-06-29_1dfa52432397ce5584ed1cdc993357af_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-29_1dfa52432397ce5584ed1cdc993357af_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3268
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3124
    • 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:2964
  • 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:4412
  • 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:5332

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        d3dcompiler43Decryption.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\d3dcompiler43Decryption.exe
        • Size 1.2MB
        • SHA256 c7b1ea9721aa256c765117de63a9425844a3d40719479f045f33e2c81d462f75
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AdobeWCChromeNativeMessagingHost.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeWCChromeNativeMessagingHost.exe
        • Size 1.1MB
        • SHA256 81a328a33ba7cf1adf86c911ea2e36d894a17f8a75fabc214645141840055e77
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ReaderDynamic.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ReaderDynamic.exe
        • Size 1.1MB
        • SHA256 d97f181909d978b0d9fdb51cc16e34fc0099f9922a23e6feb1cadfd265b1bbc1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AutoUpdate.exe
        • Path C:\Program Files (x86)\Common Files\Java\Java Update\AutoUpdate.exe
        • Size 1.1MB
        • SHA256 e918ab86982dd7fac1b5258d4389c7a9df1d250bb54a07f52dfe31c5b0766ffe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MicrosoftExtensibility.exe
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSEnv\PublicAssemblies\MicrosoftExtensibility.exe
        • Size 1.1MB
        • SHA256 fa9f08f85b0e24755ce5f848311c21d1e341e5f75c88bb25474897de7810e463
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Updaterupdater.exe
        • Path C:\Program Files (x86)\Google\Update\Updaterupdater.exe
        • Size 1.6MB
        • SHA256 b61197865c38df802ab5ac64b190562a1d5a23164dfeac4632e99b45838c094e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        IEToEdgeietoedgebho64.exe
        • Path C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\BHO\IEToEdgeietoedgebho64.exe
        • Size 1.1MB
        • SHA256 00aa850a7af9d4e6f102b70a27efe4ef85ebc608b4dd8c22c9b4102e1b9bf4a4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        msedgewerDirectX.exe
        • Path C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewerDirectX.exe
        • Size 1.2MB
        • SHA256 2cfebafed752d67fb0650e26b0cbf9c7b3c4df0c9104901a068f322e4defd474
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setupexeEdge.exe
        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Installer\setupexeEdge.exe
        • Size 1.6MB
        • SHA256 59190b7c54ceb2dbc196dccd09e04178d3d251f97876a6a7b556d24b0ad2e008
        • MD5 SHA1 SHA512 SSDEEP 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 607B
        • SHA256 7c21835f01895c1ee4e12f81e71ef06a0f6e2b9281de493ff8ec95f913e9680d
        • 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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Microsoftresources.exe
        • Path C:\Windows\assembly\GAC_MSIL\System.Drawing.Design.Resources\2.0.0.0_it_b03f5f7f11d50a3a\Microsoftresources.exe
        • Size 1.1MB
        • SHA256 76dd069b065a2017f9aa79ecfc315791be3f7c8a7877d14cc19fcd48636f665b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4412-390-0x000001FB7CB40000-0x000001FB7CCB6000-memory.dmp
        Download

        memory/5332-225-0x000001C100220000-0x000001C100320000-memory.dmp
        Download

        memory/5332-269-0x000001C1040E0000-0x000001C104100000-memory.dmp
        Download

        memory/5332-236-0x000001C101D60000-0x000001C101E60000-memory.dmp
        Download

        memory/5332-254-0x000001C101B60000-0x000001C101B80000-memory.dmp
        Download

        memory/5332-235-0x000001C101900000-0x000001C101920000-memory.dmp
        Download

        memory/5332-224-0x000001C100220000-0x000001C100320000-memory.dmp
        Download

        memory/5332-223-0x000001C100220000-0x000001C100320000-memory.dmp
        Download