Overview

overview

8

Static

static

8

ScreenConn...up.exe

windows10-2004-x64

7

ScreenConn...up.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 11:07

Sharing

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General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 5.4MB
  • Sample260620-m8bl8aev6n
  • SHA256 2fe27cfc680a6fb118a023caa55bfa39a55d4aecf9e540f65b531874066fec16
  • 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
  • Loads dropped DLL 11 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 6 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\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.4.9288\e8ffb8b214f1830e\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2836
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 000988ACE83DF6AE9E7CA2DAF88EE8F7 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1836
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICF32.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240701375 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4460
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1128
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2853C237953F8F426F9FEC3C4782EE8C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4160
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5928
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1432
      • 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 FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:2264
    • 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:6092
    • 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:1544
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:1144

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e591091.rbs
            • Path C:\Config.Msi\e591091.rbs
            • Size 10KB
            • SHA256 f1386b632abaef5a953fc566d51b2aef46ff753a4c83f2a00f5e19b02c76b966
            • 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 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            MSICF32.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\MSICF32.tmp
            • Size 1.0MB
            • SHA256 a5c116a5746888cdd47fae8269e5d5cc1fa51617744c50256619c75e540034e0
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Microsoft.Deployment.WindowsInstaller.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSICF32.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.Core.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSICF32.tmp-\ScreenConnect.Core.dll
            • Size 539KB
            • SHA256 1e9eacd3c680b18f3bfee12a835a49d63fed76056aedb2b2ef312999eb6b4033
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.InstallerActions.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSICF32.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 af7b515d5ea17e6811f7fd4e0fe76b7bbc6c2ff4e58dc005c86fa30d44f184ca
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.Windows.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSICF32.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 f6e77233f0995581f3171ee92c5cab5b8052d177d333a4999e16e696616739a6
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.ClientSetup.msi
            • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.4.9288\e8ffb8b214f1830e\ScreenConnect.ClientSetup.msi
            • Size 9.5MB
            • SHA256 587bd1c258110298cc3972a1a57791dd1636b3fe58250cff4748a303aac84221
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MSI1610.tmp
            • Path C:\Windows\Installer\MSI1610.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            metadata-2
            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 51c09a9ed60a65d9f9e79c2b3b8bfd6db2b8fb5156de28ef6111cbe8c8f45471
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            {175e6aeb-76e6-4a32-b780-9d89b34a2a51}_OnDiskSnapshotProp
            • Path \??\Volume{2e4f07ee-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{175e6aeb-76e6-4a32-b780-9d89b34a2a51}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 ede3f1a923ef47f0acae198acaae61486d199565b1d23529f80f63619ec5b947
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2424-8-0x00000000064E0000-0x0000000006A9A000-memory.dmp
            Download

            memory/2424-5-0x0000000003240000-0x0000000003262000-memory.dmp
            Download

            memory/2424-10-0x00000000748D0000-0x000000007508C000-memory.dmp
            Download

            memory/2424-1-0x00000000030E0000-0x00000000030E8000-memory.dmp
            Download

            memory/2424-9-0x00000000748D0000-0x000000007508C000-memory.dmp
            Download

            memory/2424-2-0x0000000005C30000-0x0000000005F22000-memory.dmp
            Download

            memory/2424-0-0x00000000748E2000-0x00000000748E3000-memory.dmp
            Download

            memory/2424-3-0x00000000748D0000-0x000000007508C000-memory.dmp
            Download

            memory/2424-6-0x0000000005930000-0x0000000005ADC000-memory.dmp
            Download

            memory/2424-4-0x0000000005760000-0x00000000057EE000-memory.dmp
            Download

            memory/2424-7-0x00000000748D0000-0x000000007508C000-memory.dmp
            Download

            memory/2424-13-0x00000000748D0000-0x000000007508C000-memory.dmp
            Download

            memory/2852-86-0x000001D89FED0000-0x000001D8A0874000-memory.dmp
            Download

            memory/4460-44-0x0000000005640000-0x00000000057EC000-memory.dmp
            Download

            memory/4460-40-0x00000000033D0000-0x000000000345E000-memory.dmp
            Download

            memory/4460-36-0x0000000003330000-0x000000000333A000-memory.dmp
            Download

            memory/4460-32-0x00000000032F0000-0x000000000331E000-memory.dmp
            Download

            memory/6092-112-0x00000185001E0000-0x00000185002E0000-memory.dmp
            Download

            memory/6092-158-0x00000185146D0000-0x00000185146F0000-memory.dmp
            Download

            memory/6092-137-0x0000018503C90000-0x0000018503CB0000-memory.dmp
            Download

            memory/6092-126-0x0000018503A30000-0x0000018503A50000-memory.dmp
            Download

            memory/6092-128-0x0000018513F20000-0x0000018514020000-memory.dmp
            Download