Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/09/2026, 12:35

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample260928-pshrpsvyfx
  • SHA256 d3dd02bf110e953f4cc1259d8732420b00fe1c88753c07b2873405986ed74b4b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 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.

  • Enumerates connected drives 3 TTPs 47 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 9 IoCs
  • 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.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 9 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

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

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:5012
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\7b0cebe6122b2acb\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2284
  • 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:3716
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 87BDB15FE6B12800F606F0E74EBB9387 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:6132
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI614B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240804281 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5724
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI637F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240804781 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:4440
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI68A0.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240806093 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1360
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5540
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding CB6B00C59F3D24827CF223908CFE8E92
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2516
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2B142206F030ED6DB23054A7F4DDF74C E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1704
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1792
    • C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-xp89kx-relay.screenconnect.com&p=443&s=c335f806-b99c-434f-b2d8-841d2a0d6045&k=BgIAAACkAABSU0ExAAgAAAEAAQC9%2fjFTI8iJFADHMrH%2fbMUQPZgzT7xOoYBbLIEvsG1itSFwPm6KERW0FP8Xyam5lw2OYwmMeQP7TbdyPco3ltAY9mRQpHSP%2fVsCbLfn12RftTXRx1dnyo0Ke3rknANgh7lsZie%2faejTLkxgHWreQg6MNd8JUgg74mR9DkZJWJI0F3UhPWoEvkcnvFxLtqhBCD%2bNrLhEizOpdmxyOXSk5kXy4%2fURKpXDkZPPvK6pASrnh9khU3qZ95762l%2bb2QE9VmNoloyVdRDd6nv70XSj%2bFA14KkEywV3lZZbkbtLhsGSO1%2b5tnSp9TX39DDmf7YOKLt5WrG1YEu5SQwFAczPrxPK&c=vip52&c=mega&c=liz&c=trum&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3884
      • C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe" "RunRole" "eca86341-eede-4a2e-ad41-2f9eebe2f05b" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3496
      • C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe" "RunRole" "2ed991de-7047-4da6-8f95-1265c2f07d59" "System"
        2⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3952

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5aafbb.rbs

          • Path C:\Config.Msi\e5aafbb.rbs
          • Size 214KB
          • SHA256 4e66fc416be06d0d334ad36dac130595cda79d7d3c4025c96e704ec6421317ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe
          • Size 1.6MB
          • SHA256 b7a495f517b9bf23f529552b145121f922ab4915e24b663ae68b3007daea3804
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\system.config
          • Size 962B
          • SHA256 3cbcaaebb028b213f795355d2c7dbc3c977aabb523e51b31c81480967fe4530d
          • MD5 SHA1 SHA512 TLSH

          MSI614B.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI614B.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI614B.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI614B.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI614B.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI614B.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI637F.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI637F.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\7b0cebe6122b2acb\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 e3edac806cafd1d546e4988b1a9c8e9f16df471bd5655ea0671d61002bf30827
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIB74C.tmp

          • Path C:\Windows\Installer\MSIB74C.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          gvsv0zbj.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7b0cebe6122b2acb)\gvsv0zbj.newcfg
          • Size 882B
          • SHA256 ef2c692d9507c52f9cfb58d0ecd3dc11e97da519b5975e2b49c5d8eb18eaec2d
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7b0cebe6122b2acb)\user.config
          • Size 520B
          • SHA256 1332ed8e11f906af88e66320fff190e27768267504ac6306f8a6aa9d23216245
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7b0cebe6122b2acb)\user.config
          • Size 683B
          • SHA256 d32f49bde2365cf491a505a4a66305c241be3229ea7f7091a8de2e0555fff6f4
          • MD5 SHA1 SHA512 TLSH

          memory/3496-215-0x0000000000E70000-0x0000000001006000-memory.dmp

          memory/3496-221-0x0000000001A50000-0x0000000001A80000-memory.dmp

          memory/3496-217-0x000000001C230000-0x000000001C38A000-memory.dmp

          memory/3496-219-0x000000001C570000-0x000000001C750000-memory.dmp

          memory/3496-216-0x000000001BD30000-0x000000001BDCE000-memory.dmp

          memory/3496-220-0x000000001D370000-0x000000001D4F8000-memory.dmp

          memory/3884-162-0x0000000004390000-0x0000000004570000-memory.dmp

          memory/3884-158-0x0000000004050000-0x00000000041AA000-memory.dmp

          memory/3884-152-0x0000000001970000-0x00000000019A0000-memory.dmp

          memory/3884-164-0x0000000004200000-0x0000000004250000-memory.dmp

          memory/3884-193-0x0000000004570000-0x0000000004602000-memory.dmp

          memory/3884-195-0x0000000004250000-0x0000000004291000-memory.dmp

          memory/3884-185-0x00000000042F0000-0x000000000438E000-memory.dmp

          memory/3884-197-0x0000000004760000-0x0000000004836000-memory.dmp

          memory/4440-75-0x0000000003AE0000-0x0000000003B48000-memory.dmp

          memory/5012-8-0x0000000074430000-0x0000000074BEC000-memory.dmp

          memory/5012-10-0x0000000074430000-0x0000000074BEC000-memory.dmp

          memory/5012-6-0x00000000068F0000-0x0000000006958000-memory.dmp

          memory/5012-7-0x0000000006960000-0x0000000006B40000-memory.dmp

          memory/5012-0-0x0000000074442000-0x0000000074443000-memory.dmp

          memory/5012-4-0x0000000006790000-0x00000000068EA000-memory.dmp

          memory/5012-3-0x0000000074430000-0x0000000074BEC000-memory.dmp

          memory/5012-5-0x0000000074430000-0x0000000074BEC000-memory.dmp

          memory/5012-2-0x0000000004080000-0x000000000408C000-memory.dmp

          memory/5012-9-0x0000000007100000-0x00000000076BA000-memory.dmp

          memory/5012-12-0x0000000074430000-0x0000000074BEC000-memory.dmp

          memory/5012-1-0x0000000004060000-0x0000000004068000-memory.dmp

          memory/5724-33-0x0000000003470000-0x000000000349E000-memory.dmp

          memory/5724-45-0x0000000005980000-0x0000000005B60000-memory.dmp

          memory/5724-41-0x0000000005640000-0x000000000579A000-memory.dmp

          memory/5724-37-0x00000000034A0000-0x00000000034AC000-memory.dmp