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
    123s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 09:27

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General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 5.4MB
  • Sample260705-le7bcsbt7x
  • SHA256 87cf4ad614dbe8696401992fb8dde991f921adce680d91057e8fdb7c88e1a8c0
  • 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 17 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:6040
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.4.9288\b59e919aac754614\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:5556
  • 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:1248
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5CF44E8D2A73173A447E99AEEFF16F7C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:6064
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICAFC.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240700359 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4984
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1732
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1831F981F0714BC10244CE6314972DF4
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4872
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3840
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2244
      • 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:3176
    • 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:5848
    • 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:700

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59139f.rbs
          • Path C:\Config.Msi\e59139f.rbs
          • Size 10KB
          • SHA256 7d439697b59ce681d5a339d664a72aac36b3c1f1d679c091f6bc7e30ed5a9e59
          • 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

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

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSICAFC.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\MSICAFC.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\MSICAFC.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\MSICAFC.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\b59e919aac754614\ScreenConnect.ClientSetup.msi
          • Size 12.8MB
          • SHA256 75c6f466a6d2dc1e9e20012f2460cf15d1c1e831d2e0da78945d6af9cdb086eb
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSI197B.tmp
          • Path C:\Windows\Installer\MSI197B.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 90a7b965abc518fa81deaadda9433d899b6a132a47c52de4f96fadda79786bd5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {c8460a59-0794-4cb4-8749-0ca7c53561a5}_OnDiskSnapshotProp
          • Path \??\Volume{0f4b7dd8-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{c8460a59-0794-4cb4-8749-0ca7c53561a5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 212df4a8421ef7f7d0481878278165cfd562740860eb9ced1b3bc58e17a757d7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/700-287-0x00000216B6590000-0x00000216B6C21000-memory.dmp
          Download

          memory/1248-59-0x000002BA29B40000-0x000002BA2A4E4000-memory.dmp
          Download

          memory/4984-44-0x0000000005640000-0x00000000057EC000-memory.dmp
          Download

          memory/4984-40-0x0000000005400000-0x000000000548E000-memory.dmp
          Download

          memory/4984-32-0x00000000032B0000-0x00000000032DE000-memory.dmp
          Download

          memory/4984-36-0x0000000003250000-0x000000000325A000-memory.dmp
          Download

          memory/5848-123-0x000002AF83B90000-0x000002AF83BB0000-memory.dmp
          Download

          memory/5848-137-0x000002AF95690000-0x000002AF956B0000-memory.dmp
          Download

          memory/5848-121-0x000002AF83D70000-0x000002AF83E70000-memory.dmp
          Download

          memory/5848-116-0x000002AF801E0000-0x000002AF802E0000-memory.dmp
          Download

          memory/5848-120-0x000002AF83930000-0x000002AF83950000-memory.dmp
          Download

          memory/5848-115-0x000002AF801E0000-0x000002AF802E0000-memory.dmp
          Download

          memory/6040-6-0x0000000074560000-0x0000000074D1C000-memory.dmp
          Download

          memory/6040-3-0x0000000005AA0000-0x0000000005B2E000-memory.dmp
          Download

          memory/6040-0-0x0000000074572000-0x0000000074573000-memory.dmp
          Download

          memory/6040-2-0x0000000005DA0000-0x0000000006092000-memory.dmp
          Download

          memory/6040-1-0x0000000003540000-0x0000000003548000-memory.dmp
          Download

          memory/6040-4-0x0000000005A30000-0x0000000005A52000-memory.dmp
          Download

          memory/6040-5-0x0000000005B30000-0x0000000005CDC000-memory.dmp
          Download

          memory/6040-13-0x0000000074560000-0x0000000074D1C000-memory.dmp
          Download

          memory/6040-11-0x0000000074560000-0x0000000074D1C000-memory.dmp
          Download

          memory/6040-9-0x0000000074560000-0x0000000074D1C000-memory.dmp
          Download

          memory/6040-8-0x0000000074560000-0x0000000074D1C000-memory.dmp
          Download

          memory/6040-7-0x0000000006650000-0x0000000006C0A000-memory.dmp
          Download