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
    149s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 12:27

Sharing

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General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 5.4MB
  • Sample260709-pm5dhsbw4s
  • SHA256 7f64d735d36b1edd27b092687be4851c5d2a7ec69f377ed7286acc3a429994b3
  • 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 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 55 IoCs
  • Suspicious use of SendNotifyMessage 41 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:3316
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.2.9271\9138bda68952dc09\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:5924
  • 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:1016
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 79CCE9EB221D1DAF5EFCC7D5DE7978F2 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3687.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240727812 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3292
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3468
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8D480CEE5FEEAF8BB94F2EE7AC468547
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2572
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3792
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1488
      • 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:620
    • 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:1748
    • 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:1448
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:1324

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e597cb9.rbs
            • Path C:\Config.Msi\e597cb9.rbs
            • Size 10KB
            • SHA256 3009df46f93aa6acd38a0587225544b7a2dfcfc0330b6da72e996a22ff3d923d
            • 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

            MSI3687.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\MSI3687.tmp
            • Size 1.0MB
            • SHA256 64ddf83b4acb09b518518e07a8ffd0446d256ff842c113efa1cdb6378fdf1018
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Microsoft.Deployment.WindowsInstaller.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSI3687.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\MSI3687.tmp-\ScreenConnect.Core.dll
            • Size 539KB
            • SHA256 51d9dcd755a424b8b3122350bbcc02d453880c39636fb1e0265084161afca983
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.InstallerActions.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSI3687.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 8f4a00b34720f19b0e67dc957085ad1986e58bb16a1abcc580dab21bcd61382d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.Windows.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSI3687.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 602a640e2d9f94acfe47d3946f7dd088992431e24b670d40233e1ae6e9e270ad
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.ClientSetup.msi
            • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.2.9271\9138bda68952dc09\ScreenConnect.ClientSetup.msi
            • Size 12.9MB
            • SHA256 97abb7ea66e343f5dff4925a30b73a28b1506ff392d6f845840abc4235500e38
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MSI814D.tmp
            • Path C:\Windows\Installer\MSI814D.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 c3f4cc10c64511d17f985569dc0452a905468fcde00e7954291e2a25ec1887b9
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            {a2f5792a-094f-42ef-82f8-e13c2a7950b8}_OnDiskSnapshotProp
            • Path \??\Volume{847325d4-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{a2f5792a-094f-42ef-82f8-e13c2a7950b8}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 dcc5899a5277d1be518c204ffd724f4b526e00670b93a14c228e1c4e9dd2999c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1016-88-0x000002A9E4DD0000-0x000002A9E5774000-memory.dmp
            Download

            memory/1448-280-0x00000212E1590000-0x00000212E1C21000-memory.dmp
            Download

            memory/1448-282-0x00000212E1590000-0x00000212E1C21000-memory.dmp
            Download

            memory/1448-289-0x00000212E1590000-0x00000212E1C21000-memory.dmp
            Download

            memory/1748-141-0x0000020283C90000-0x0000020283CB0000-memory.dmp
            Download

            memory/1748-108-0x00000202801E0000-0x00000202802E0000-memory.dmp
            Download

            memory/1748-155-0x00000202946D0000-0x00000202946F0000-memory.dmp
            Download

            memory/1748-123-0x0000020293E90000-0x0000020293F90000-memory.dmp
            Download

            memory/1748-121-0x0000020283930000-0x0000020283950000-memory.dmp
            Download

            memory/3292-44-0x0000000006070000-0x000000000621C000-memory.dmp
            Download

            memory/3292-32-0x0000000005D60000-0x0000000005D8E000-memory.dmp
            Download

            memory/3292-36-0x0000000005D90000-0x0000000005D9A000-memory.dmp
            Download

            memory/3292-40-0x0000000005E30000-0x0000000005EBE000-memory.dmp
            Download

            memory/3316-5-0x0000000002C00000-0x0000000002C22000-memory.dmp
            Download

            memory/3316-6-0x00000000053B0000-0x000000000555C000-memory.dmp
            Download

            memory/3316-10-0x00000000748C0000-0x000000007507C000-memory.dmp
            Download

            memory/3316-0-0x00000000748D2000-0x00000000748D3000-memory.dmp
            Download

            memory/3316-8-0x0000000005F60000-0x000000000651A000-memory.dmp
            Download

            memory/3316-13-0x00000000748C0000-0x000000007507C000-memory.dmp
            Download

            memory/3316-9-0x00000000748C0000-0x000000007507C000-memory.dmp
            Download

            memory/3316-7-0x00000000748C0000-0x000000007507C000-memory.dmp
            Download

            memory/3316-4-0x00000000052C0000-0x000000000534E000-memory.dmp
            Download

            memory/3316-3-0x00000000056B0000-0x00000000059A2000-memory.dmp
            Download

            memory/3316-2-0x00000000748C0000-0x000000007507C000-memory.dmp
            Download

            memory/3316-1-0x0000000002BB0000-0x0000000002BB8000-memory.dmp
            Download