Overview

overview

8

Static

static

3

WebComponents.exe

windows10-2004-x64

8

WebComponents.exe

windows11-ltsc_2024-x64

8

Resubmissions

27/07/2026, 20:37

260727-zegmladr218

27/07/2026, 19:56

260727-ynn8cs1tgv8

27/07/2026, 19:36

260727-ybmtrsz1dv8

27/07/2026, 19:20

260727-x2hgaszzcx8

Analysis

  • max time kernel
    899s
  • max time network
    582s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 20:37

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General

  • Target
    WebComponents.exe
  • Size 1.7MB
  • Sample260727-zegmladr21
  • SHA256 b6dcb5db080d11a658601dcc975625541110593d4edca60a6f087a3057459ffe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoveryinstallerpersistenceransomwarespyware

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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 10 IoCs
  • 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 Program Files directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

    installer
  • 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
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 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:\Users\Admin\AppData\Local\Temp\WebComponents.exe
    "C:\Users\Admin\AppData\Local\Temp\WebComponents.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Users\Admin\AppData\Local\Temp\is-P377F.tmp\WebComponents.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-P377F.tmp\WebComponents.tmp" /SL5="$50230,1531550,53760,C:\Users\Admin\AppData\Local\Temp\WebComponents.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Web Components\WebVideoActiveX.ocx"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:4432
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3908
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5976
      • 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:756
    • 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:5280
    • 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:1512
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:1568

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            AudioIntercom.dll
            • Path C:\Program Files (x86)\Web Components\AudioIntercom.dll
            • Size 452KB
            • SHA256 f6f7a9b83d23c2dbb39c0c36547612e49e5d35516fa1d09aaf1960a48e32e539
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            NetStream.dll
            • Path C:\Program Files (x86)\Web Components\NetStream.dll
            • Size 1.1MB
            • SHA256 4518c3d16b07dcbedc9053edfa6a96bf062ca3e778a3401c755ebae5a9b8bfc6
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            OpenAL32.dll
            • Path C:\Program Files (x86)\Web Components\OpenAL32.dll
            • Size 417KB
            • SHA256 b21ae0059a8182a51d1645a44f403429e60e26453353c0d708d7f501557ca01c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            PlayCtrl.dll
            • Path C:\Program Files (x86)\Web Components\PlayCtrl.dll
            • Size 1.4MB
            • SHA256 26ba9ecd711efd2db07de9d5a85618d70b5383517a76c27d57c871d95b405be3
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            StreamTransClient.dll
            • Path C:\Program Files (x86)\Web Components\StreamTransClient.dll
            • Size 256KB
            • SHA256 59c6aa1dc6107b2f3c8c9cbb04caf9950b22aa16170b0f9e3ad5e3b4d97fb35d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            WebVideoActiveX.ocx
            • Path C:\Program Files (x86)\Web Components\WebVideoActiveX.ocx
            • Size 413KB
            • SHA256 fa18f98fe58e0dad0908173c75cc8e2edfd58247a90d56e34fe6bc2d9b411749
            • 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 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
            • 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 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            WebComponents.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\is-P377F.tmp\WebComponents.tmp
            • Size 680KB
            • SHA256 43202b0de2e718d35cdf7eb8b34dd35bf3fae85c0ecd2108830230a121284322
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4276-66-0x0000000000400000-0x00000000004BA000-memory.dmp
            Download

            memory/4276-65-0x0000000000400000-0x00000000004BA000-memory.dmp
            Download

            memory/4276-8-0x0000000000400000-0x00000000004BA000-memory.dmp
            Download

            memory/4276-67-0x0000000000400000-0x00000000004BA000-memory.dmp
            Download

            memory/4276-40-0x0000000000400000-0x00000000004BA000-memory.dmp
            Download

            memory/4276-14-0x0000000000400000-0x00000000004BA000-memory.dmp
            Download

            memory/4432-54-0x0000000003DF0000-0x0000000003F5B000-memory.dmp
            Download

            memory/4432-43-0x0000000002FD0000-0x00000000031F5000-memory.dmp
            Download

            memory/4432-59-0x0000000003F60000-0x0000000003FDB000-memory.dmp
            Download

            memory/4432-49-0x0000000003320000-0x000000000346F000-memory.dmp
            Download

            memory/4900-0-0x0000000000400000-0x0000000000414000-memory.dmp
            Download

            memory/4900-68-0x0000000000400000-0x0000000000414000-memory.dmp
            Download

            memory/4900-3-0x000000000040D000-0x000000000040E000-memory.dmp
            Download

            memory/4900-64-0x0000000000400000-0x0000000000414000-memory.dmp
            Download

            memory/5280-90-0x000001F4801E0000-0x000001F4802E0000-memory.dmp
            Download

            memory/5280-136-0x000001F494810000-0x000001F494830000-memory.dmp
            Download

            memory/5280-116-0x000001F4843A0000-0x000001F4843C0000-memory.dmp
            Download

            memory/5280-99-0x000001F4843E0000-0x000001F4844E0000-memory.dmp
            Download

            memory/5280-95-0x000001F482EB0000-0x000001F482ED0000-memory.dmp
            Download