Overview

overview

8

Static

static

8

ScreenConn...up.exe

windows10-2004-x64

8

ScreenConn...up.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 18:14

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 5.4MB
  • Sample260623-wvftfse14t
  • SHA256 01e9c74cbdced022d97ea6c20653112c396dc9c5307899ff0960de3a8895f036
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarerevoked_codesignspyware

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
  • Signed with revoked ConnectWise certificate 1 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

    revoked_codesign
  • 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 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:5268
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\4888ccad3aff3783\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:3288
  • 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:3968
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 530DE37DD80AC1C1CE596E4294C70D69 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4832
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI78E4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240679421 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6052
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1124
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 70EB0BAFD01B7C43F383C06EBF4B6CF5
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3480
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1828
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4456
      • 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:3028
    • 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:4768
    • 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:3976
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:704

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            e58c86d.rbs
            • Path C:\Config.Msi\e58c86d.rbs
            • Size 10KB
            • SHA256 4bf2d6a48464de32c11575962fac71f45d8758ca99886906538bdde982052baa
            • 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 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            MSI78E4.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\MSI78E4.tmp
            • Size 1.0MB
            • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Microsoft.Deployment.WindowsInstaller.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSI78E4.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\MSI78E4.tmp-\ScreenConnect.Core.dll
            • Size 538KB
            • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.InstallerActions.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSI78E4.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.Windows.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSI78E4.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.ClientSetup.msi
            • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\4888ccad3aff3783\ScreenConnect.ClientSetup.msi
            • Size 9.5MB
            • SHA256 da64498d41f8090d40030da957f3db56d98baa9201dacdc585d134ca46154faa
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MSID01D.tmp
            • Path C:\Windows\Installer\MSID01D.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 c493594fe0119dc7beaea7e427e37baa9ec48dac521f22863c6bea58b40a7c04
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            {3e4c2b65-860c-4e83-9a2e-00a92ba0c94f}_OnDiskSnapshotProp
            • Path \??\Volume{833668ed-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{3e4c2b65-860c-4e83-9a2e-00a92ba0c94f}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 e7452e21126f51f79f497f4c4b1e9cf1eda70dd3efe0b88d42db91dfb6f6c6b1
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4768-130-0x000001CF81C70000-0x000001CF81C90000-memory.dmp
            Download

            memory/4768-122-0x000001CF81E70000-0x000001CF81F70000-memory.dmp
            Download

            memory/4768-99-0x000001CF801E0000-0x000001CF802E0000-memory.dmp
            Download

            memory/4768-101-0x000001CF801E0000-0x000001CF802E0000-memory.dmp
            Download

            memory/4768-155-0x000001CF941F0000-0x000001CF94210000-memory.dmp
            Download

            memory/4768-100-0x000001CF801E0000-0x000001CF802E0000-memory.dmp
            Download

            memory/4768-121-0x000001CF81A10000-0x000001CF81A30000-memory.dmp
            Download

            memory/5268-1-0x00000000031F0000-0x00000000031F8000-memory.dmp
            Download

            memory/5268-3-0x0000000074870000-0x000000007502C000-memory.dmp
            Download

            memory/5268-5-0x0000000003290000-0x00000000032B2000-memory.dmp
            Download

            memory/5268-10-0x0000000074870000-0x000000007502C000-memory.dmp
            Download

            memory/5268-4-0x0000000005630000-0x00000000056BC000-memory.dmp
            Download

            memory/5268-2-0x0000000005AE0000-0x0000000005DD2000-memory.dmp
            Download

            memory/5268-0-0x0000000074882000-0x0000000074883000-memory.dmp
            Download

            memory/5268-8-0x0000000006390000-0x000000000694A000-memory.dmp
            Download

            memory/5268-12-0x0000000074870000-0x000000007502C000-memory.dmp
            Download

            memory/5268-6-0x00000000057E0000-0x000000000598C000-memory.dmp
            Download

            memory/5268-9-0x0000000074870000-0x000000007502C000-memory.dmp
            Download

            memory/5268-7-0x0000000074870000-0x000000007502C000-memory.dmp
            Download

            memory/6052-32-0x0000000003FE0000-0x000000000400E000-memory.dmp
            Download

            memory/6052-36-0x0000000006030000-0x000000000603A000-memory.dmp
            Download

            memory/6052-40-0x00000000060D0000-0x000000000615C000-memory.dmp
            Download

            memory/6052-44-0x0000000006310000-0x00000000064BC000-memory.dmp
            Download