Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/06/2026, 18:18

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.7MB
  • Sample260624-wx2hyaew2r
  • SHA256 7fca0f2e5778b4a562ffd84776be031a88acd0d06f3d6bb593ff266c51630e9a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

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

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 50 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 18 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 17 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5536
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • 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:1796
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 51EB498BC5140FB8C346A8AD2EA415B2 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC5A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240717203 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2876
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1295.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240718671 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5004
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI18DF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240720296 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3868
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4816
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding ECA552CBA36DED8CCB88A72C95516BE2
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2460
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F71ED2EC3BB3EFB35E45FDE8C0D6BDD0 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1460
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1728
    • C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-v85iz9-relay.screenconnect.com&p=443&s=31eb9ab0-03d7-41b0-9b8f-c7fc861aaebf&k=BgIAAACkAABSU0ExAAgAAAEAAQAdTrqfbBFZDnNb4jXjjSSdKbROGwlBwXOtZg5orTD4WoqLgiiqyTank1kfIhLwaPz52DpPIyCLYkQi6ZfqRLz0ZwW0nrYFHB6vSyJf3cB79KgUiSyQ5OKQKA9kMJP9uxCpzSFSjCfeFhuY0vd5W5WLuvEwPiGSf1oec7M0QUWOoWtrcRibAWwxeB76bjQyKwv2874YBj1y6ZxSjFCRnPYpHaxrr1v5oMZreU6K5AVDNfI4UfN6Y9LFXfOHRQ3Hb2JSSG0zZNTE2dgs2pjNceDaZUe8WDJzCVBQYeHqWGrXQho19VMfZcofLmRkYw6cWld2JcbwyBjWYuihQK9JvoK7"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5832 -s 1336
        2⤵
        • Program crash
        PID:3432
    • C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-v85iz9-relay.screenconnect.com&p=443&s=31eb9ab0-03d7-41b0-9b8f-c7fc861aaebf&k=BgIAAACkAABSU0ExAAgAAAEAAQAdTrq%2f%2bBFZDnNb4jXjjSSdK%2bROGwlBwXOtZg5orTD4WoqLgiiqyTank1k%2fIhLwaPz52DpPIyCLYkQi6Z%2fqRLz0ZwW0nrYFHB6vSyJ%2f3cB79KgUiSyQ5OKQKA9kMJP9uxCpzSFSjC%2feFhuY0vd5W5WLuvEwPiGS%2f1oec7M0QUWOoWtrcRibAWwxeB76bjQyKwv2874YBj1y6ZxSjFCRnPYpHaxrr1v5oMZreU6K5AVDNfI4U%2fN6Y9LFX%2fOHRQ3Hb2JSSG0zZNTE2dgs2pjNceDaZUe8WDJzCVBQYeHqWGrXQho19VM%2fZco%2fLmRkYw6cWld2Jc%2bwyBjWYuihQK9JvoK7"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.WindowsClient.exe" "RunRole" "c48dc33b-14f9-42f2-9d30-5df55947dedb" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5356
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5832 -ip 5832
      1⤵
        PID:2992

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            e595d88.rbs

            • Path C:\Config.Msi\e595d88.rbs
            • Size 214KB
            • SHA256 67f06a840dbe74bbcc911c57d92df2125e4a0f8cafab269d61cabce1249189bb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.Client.dll
            • Size 411KB
            • SHA256 28ff8468ad2db8b41fe9d9a2971dd56fea0aecad14808fe4b31c9b1072d3b129
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.ClientService.dll
            • Size 90KB
            • SHA256 9cf2c77df0a1a1e854ec1bbc6940d96f508bfb4b0555a07657c77314803a717e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 01341bd42426c3d110136cc94433df00dbad690a56593f7cca41a93f698f214a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.Core.dll
            • Size 572KB
            • SHA256 92e831159d5e9f2676241ab7ce80060a0b1dc34684f83797aec93b3ecff41139
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 2292aac48ad575c6d1ed99c862e3408e254db34b8fea50cf3594aa08f3e875d0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (01266a090f35e19c)\system.config
            • Size 970B
            • SHA256 46d2cf4e2bad0aef7aaca0f2a6c1a1dd1bc1827e3fb90be164393dcc663852ab
            • MD5 SHA1 SHA512 TLSH

            CustomAction.config

            • Path C:\Users\Admin\AppData\Local\Temp\MSI1295.tmp-\CustomAction.config
            • Size 234B
            • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI1295.tmp-\ScreenConnect.WindowsInstaller.dll
            • Size 137KB
            • SHA256 528242c7745783b3b4ae72fec13bb9bd49b17b0e00f60c027351147f21fdd359
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSIC5A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC5A.tmp
            • Size 1.1MB
            • SHA256 cd6bccce073b2a5205840ec31c91df0d443cc57c68756de2c03e21db8e3fc157
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC5A.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC5A.tmp-\ScreenConnect.Core.dll
            • Size 562KB
            • SHA256 c51a2b5cb5054ec0136e332bf290c8af3392d7936b5137a07423df08ab33d264
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC5A.tmp-\ScreenConnect.InstallerActions.dll
            • Size 24KB
            • SHA256 432abf3a198ff64fb2c660eb06b2bb33a16cf69fd28d836cfcb65c43d37dc462
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC5A.tmp-\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 10933424536d53e397f651915f862c933199c50722943c236b020787b2e8f147
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI6336.tmp

            • Path C:\Windows\Installer\MSI6336.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e595d87.msi

            • Path C:\Windows\Installer\e595d87.msi
            • Size 9.7MB
            • SHA256 7fca0f2e5778b4a562ffd84776be031a88acd0d06f3d6bb593ff266c51630e9a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            1rnk4dpn.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (01266a090f35e19c)\1rnk4dpn.newcfg
            • Size 588B
            • SHA256 7f4c6dfe736e6669eccb4d037ba548d3000197b587cd925174a8b2fd7b40c94a
            • MD5 SHA1 SHA512 TLSH

            fe1mh2d1.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (01266a090f35e19c)\fe1mh2d1.newcfg
            • Size 588B
            • SHA256 eb7f28019e39155db5b35ff37f77898a6b910764316810fc56cc15f59fd5fda2
            • MD5 SHA1 SHA512 TLSH

            gppmyhnz.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (01266a090f35e19c)\gppmyhnz.newcfg
            • Size 588B
            • SHA256 5830e302c6a8168643e7171ea647cdc0ad9b329cd2ff34c9668182d19327d29e
            • MD5 SHA1 SHA512 TLSH

            thmxlwsb.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (01266a090f35e19c)\thmxlwsb.newcfg
            • Size 588B
            • SHA256 a96ad8e50bd1c1d7fa76df0770209f3acc13bfa5390f623b68ac67ee06ce9cf9
            • MD5 SHA1 SHA512 TLSH

            user.config

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (01266a090f35e19c)\user.config
            • Size 588B
            • SHA256 76f94ba6b6a0e30b5ffb7250dd77dbc57631cbd543833f0a7040a2cf4539e55e
            • MD5 SHA1 SHA512 TLSH

            wd5hopjt.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (01266a090f35e19c)\wd5hopjt.newcfg
            • Size 588B
            • SHA256 93fba1c245900edcf12af22ac8ffb4cd02c150559478d502d2e576a9a8ed6275
            • MD5 SHA1 SHA512 TLSH

            {5b630457-86ed-45d0-979e-d12f5d5f8f4c}_OnDiskSnapshotProp

            • Path \??\Volume{833668ed-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{5b630457-86ed-45d0-979e-d12f5d5f8f4c}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 339dd12f5603edbb12dcf67e16fd806802c6ef40382e5c4c9e03e1990fa99578
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1568-173-0x00000000042E0000-0x0000000004330000-memory.dmp

            memory/1568-178-0x00000000043A0000-0x000000000440A000-memory.dmp

            memory/1568-179-0x0000000004690000-0x0000000004722000-memory.dmp

            memory/1568-180-0x0000000004290000-0x00000000042D1000-memory.dmp

            memory/1568-181-0x0000000004880000-0x0000000004955000-memory.dmp

            memory/2876-34-0x0000000006530000-0x0000000006AEA000-memory.dmp

            memory/2876-33-0x0000000005DC0000-0x0000000005F70000-memory.dmp

            memory/2876-29-0x0000000005B70000-0x0000000005C04000-memory.dmp

            memory/2876-25-0x0000000005AC0000-0x0000000005ACC000-memory.dmp

            memory/2876-21-0x0000000005A80000-0x0000000005AAE000-memory.dmp

            memory/5004-64-0x00000000052A0000-0x00000000052C8000-memory.dmp

            memory/5356-186-0x000000001B680000-0x000000001B714000-memory.dmp

            memory/5356-188-0x000000001BC10000-0x000000001BD98000-memory.dmp

            memory/5356-189-0x00000000027E0000-0x00000000027FA000-memory.dmp

            memory/5356-190-0x0000000002820000-0x000000000283A000-memory.dmp

            memory/5356-191-0x000000001CAA0000-0x000000001CC6A000-memory.dmp

            memory/5356-187-0x000000001B8D0000-0x000000001BA80000-memory.dmp

            memory/5356-185-0x000000001B230000-0x000000001B29A000-memory.dmp

            memory/5356-184-0x0000000000600000-0x00000000006AA000-memory.dmp

            memory/5832-158-0x00000000052E0000-0x0000000005490000-memory.dmp

            memory/5832-153-0x0000000005020000-0x00000000050B4000-memory.dmp

            memory/5832-141-0x00000000011A0000-0x00000000011BA000-memory.dmp