Overview

overview

8

Static

static

3

ScreenConn...up.exe

windows10-2004-x64

7

ScreenConn...up.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    124s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 15:32

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General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 11.1MB
  • Sample260628-syv6rshz21
  • SHA256 09f9d5761ddd83f5830852c9958b35c2f379dbdb1f2ad8a35a8a442911726c28
  • 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
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 55 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:2508
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.9.5.9483\aee74a66ea5bb239\ScreenConnect.ClientSetup.msi"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:3548
  • 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:5028
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 65C90E43F646133681857FF08CA8154C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4084
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICF90.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240701421 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1140
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2416
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 46038460642C64B2365EB459B70DCE3D
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1376
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:6044
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5048
      • 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:5616
    • 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:1408
    • 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:5620

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e590b71.rbs
          • Path C:\Config.Msi\e590b71.rbs
          • Size 9KB
          • SHA256 f80e2ff371da56e7b673da671be3d107a9f7b7a747cd607fab14fdfdaa78641e
          • 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

          MSICF90.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSICF90.tmp
          • Size 1.1MB
          • SHA256 ba2f090929bcaea8ff9c1eed327cf0918fa06c88d64b77c7db8d2db3f92d39ec
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSICF90.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\MSICF90.tmp-\ScreenConnect.Core.dll
          • Size 543KB
          • SHA256 637c730a28969b12f906109ab2d6670cdf230901eb9060f51c103d7ce37e3766
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.InstallerActions.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSICF90.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 182633507629b0b1fecd2304c0b2f0fbfef79144e0a4f4f60da10150145ffe42
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSICF90.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 368a99cda6a46e9907d4a1136edcebcc7c4b08905766ea8828839e20d1f12202
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientSetup.msi
          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.9.5.9483\aee74a66ea5bb239\ScreenConnect.ClientSetup.msi
          • Size 8.7MB
          • SHA256 ecd21e8fd24439c89261fde3ec3323b1fbfe89a8762b45faac63e1bafb915327
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSI1091.tmp
          • Path C:\Windows\Installer\MSI1091.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 8d030e935aee8bebb1b03dde7467adc047e6ff879d968582b29b16f846dde3a8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {cf078af4-3ce3-4e3b-8022-d7a70a882794}_OnDiskSnapshotProp
          • Path \??\Volume{fc7fe687-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{cf078af4-3ce3-4e3b-8022-d7a70a882794}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 d259882af994dbf57ce0fbd9682fde53afa2d7b5ad39ae364c0384b3fb58bb15
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1140-42-0x0000000006000000-0x000000000608E000-memory.dmp
          Download

          memory/1140-34-0x0000000003E40000-0x0000000003E6E000-memory.dmp
          Download

          memory/1140-38-0x0000000003E80000-0x0000000003E8A000-memory.dmp
          Download

          memory/1140-46-0x0000000006280000-0x000000000642E000-memory.dmp
          Download

          memory/1408-116-0x00000286801E0000-0x00000286802E0000-memory.dmp
          Download

          memory/1408-138-0x0000028682DE0000-0x0000028682E00000-memory.dmp
          Download

          memory/1408-126-0x0000028682CE0000-0x0000028682D00000-memory.dmp
          Download

          memory/1408-114-0x00000286801E0000-0x00000286802E0000-memory.dmp
          Download

          memory/1408-160-0x0000028694700000-0x0000028694720000-memory.dmp
          Download

          memory/1408-127-0x0000028682EE0000-0x0000028682FE0000-memory.dmp
          Download

          memory/2508-8-0x0000000074790000-0x0000000074F4C000-memory.dmp
          Download

          memory/2508-13-0x0000000074790000-0x0000000074F4C000-memory.dmp
          Download

          memory/2508-11-0x0000000074790000-0x0000000074F4C000-memory.dmp
          Download

          memory/2508-10-0x0000000074790000-0x0000000074F4C000-memory.dmp
          Download

          memory/2508-0-0x00000000747A2000-0x00000000747A3000-memory.dmp
          Download

          memory/2508-7-0x0000000005F20000-0x00000000064DA000-memory.dmp
          Download

          memory/2508-6-0x00000000057B0000-0x000000000595E000-memory.dmp
          Download

          memory/2508-5-0x0000000003150000-0x0000000003174000-memory.dmp
          Download

          memory/2508-4-0x0000000074790000-0x0000000074F4C000-memory.dmp
          Download

          memory/2508-3-0x0000000005720000-0x00000000057AE000-memory.dmp
          Download

          memory/2508-2-0x00000000018D0000-0x00000000018D8000-memory.dmp
          Download

          memory/2508-1-0x0000000001750000-0x0000000001758000-memory.dmp
          Download

          memory/5028-88-0x0000016763610000-0x0000016763FB4000-memory.dmp
          Download