Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • max time kernel
    899s
  • max time network
    888s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/10/2026, 19:52

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample261008-yllpfsvy6m
  • SHA256 eeec2efb4e40390e0951372129c7a7d2575d4c98ca39de1056fb159522f1b342
  • 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 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 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:1676
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\47d51a4c09033e3e\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:4456
  • 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:2224
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A4B5BBFA647289A4D1D14DB75F9B5BFC C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4468
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI46B4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240732015 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:860
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4BE5.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240733187 10 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:5724
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI559A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240735671 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4200
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3324
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4B2819D9315FC2D066BCD73A4DFE80D2
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2176
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A92166D715EA14628D42FBCD1C1ABAB9 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3172
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4532
    • C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-rgh8nj-relay.screenconnect.com&p=443&s=cd8ac77d-a631-469e-a141-7221744bd0ba&k=BgIAAACkAABSU0ExAAgAAAEAAQBVPUPJdO%2b3kCQuzb78nPt39kBeryD4X57nIRNb0ggPefV0li8qmXnxHtBDlXu2lRI5WykKymdu1Hndhm5M1odpoG3TYYS91v0oiHsmgoB83ykL1L6n0x51WEc150ImQBLwf2cuy%2bxA6aUiMumQcWgK7j%2fHm7aw4clRRKwsFMvt8LLGnqT0hsskm8ZoXBzOI8M47fqnuOoXOr7oKI2Bx6xfmxFNgREx3XdCNs6Ji3KxPJxdElirjw8XGicGCY4TJGue0okicdc6zHkPn0vJ9ZMrbQyAAnonxuunEmD83N0OoH%2bpja2VIL52fdDJZKJoADNH96V2sv6yxoNLfEotoInM"
      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:4464
      • C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.WindowsClient.exe" "RunRole" "cb47a169-771d-46d6-8d4c-6251048f0e7a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3872
      • C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.WindowsClient.exe" "RunRole" "99fb4752-4068-472e-b16b-1392f0abfc6d" "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:3024
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4436
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:5460

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              e59a35b.rbs

              • Path C:\Config.Msi\e59a35b.rbs
              • Size 214KB
              • SHA256 7573350a454119852bef521dd6abf84ddd4aa67692ba30cca63f659a485c4b1c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.en-US.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\Client.en-US.resources
              • Size 64KB
              • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\Client.resources
              • Size 6KB
              • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Client.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.Client.dll
              • Size 615KB
              • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.ClientService.dll
              • Size 176KB
              • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.ClientService.exe
              • Size 93KB
              • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.Core.dll
              • Size 1.3MB
              • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.Windows.dll
              • Size 1.9MB
              • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsAuthenticationPackage.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.WindowsAuthenticationPackage.dll
              • Size 254KB
              • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.WindowsClient.exe
              • Size 1.6MB
              • SHA256 b7a495f517b9bf23f529552b145121f922ab4915e24b663ae68b3007daea3804
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe.config

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.WindowsClient.exe.config
              • Size 266B
              • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
              • MD5 SHA1 SHA512 TLSH

              ScreenConnect.WindowsCredentialProvider.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\ScreenConnect.WindowsCredentialProvider.dll
              • Size 837KB
              • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              system.config

              • Path C:\Program Files (x86)\ScreenConnect Client (47d51a4c09033e3e)\system.config
              • Size 952B
              • SHA256 b678dac763bc2e28c09a35a3d7e90dc8eb3b7ec41fa3e52f6c66f4fbac4ce864
              • MD5 SHA1 SHA512 TLSH

              MSI46B4.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\MSI46B4.tmp
              • Size 1.9MB
              • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Microsoft.Deployment.WindowsInstaller.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI46B4.tmp-\Microsoft.Deployment.WindowsInstaller.dll
              • Size 172KB
              • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI46B4.tmp-\ScreenConnect.Core.dll
              • Size 1.3MB
              • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.InstallerActions.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI46B4.tmp-\ScreenConnect.InstallerActions.dll
              • Size 24KB
              • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI46B4.tmp-\ScreenConnect.Windows.dll
              • Size 1.8MB
              • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              CustomAction.config

              • Path C:\Users\Admin\AppData\Local\Temp\MSI4BE5.tmp-\CustomAction.config
              • Size 234B
              • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
              • MD5 SHA1 SHA512 TLSH

              ScreenConnect.WindowsInstaller.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI4BE5.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\47d51a4c09033e3e\ScreenConnect.ClientSetup.msi
              • Size 16.2MB
              • SHA256 8538a00fa3cdb4dec9375a39a26e79d82b4f86a911784772d0b8e39faa202630
              • MD5 SHA1 SHA512 SSDEEP TLSH

              MSIA957.tmp

              • Path C:\Windows\Installer\MSIA957.tmp
              • Size 202KB
              • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
              • MD5 SHA1 SHA512 SSDEEP TLSH

              apg0w4cs.newcfg

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (47d51a4c09033e3e)\apg0w4cs.newcfg
              • Size 882B
              • SHA256 d42f6cd5f5f101080dd4b44583738f31e6192f8b61f2998fd8e9533830c1a55e
              • MD5 SHA1 SHA512 TLSH

              u2ovamxl.newcfg

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (47d51a4c09033e3e)\u2ovamxl.newcfg
              • Size 683B
              • SHA256 09663bf7903eae24dd596c0e18f4a0143f742feda05ecb26327c51c5775b8ac7
              • MD5 SHA1 SHA512 TLSH

              user.config

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (47d51a4c09033e3e)\user.config
              • Size 520B
              • SHA256 11e4a0330dc5bbbbb364c1d0d811342f45139ffa4fd9de86c0d74e0f3931606a
              • MD5 SHA1 SHA512 TLSH

              memory/860-45-0x0000000005F60000-0x0000000006140000-memory.dmp

              memory/860-37-0x0000000003900000-0x000000000390C000-memory.dmp

              memory/860-41-0x0000000005C20000-0x0000000005D7A000-memory.dmp

              memory/860-33-0x0000000003910000-0x000000000393E000-memory.dmp

              memory/1676-1-0x0000000003F60000-0x0000000003F68000-memory.dmp

              memory/1676-11-0x0000000075000000-0x00000000757BC000-memory.dmp

              memory/1676-5-0x0000000006470000-0x00000000064D8000-memory.dmp

              memory/1676-3-0x0000000075000000-0x00000000757BC000-memory.dmp

              memory/1676-6-0x0000000075000000-0x00000000757BC000-memory.dmp

              memory/1676-13-0x0000000075000000-0x00000000757BC000-memory.dmp

              memory/1676-0-0x0000000075012000-0x0000000075013000-memory.dmp

              memory/1676-4-0x0000000006530000-0x000000000668A000-memory.dmp

              memory/1676-9-0x0000000006E30000-0x00000000073EA000-memory.dmp

              memory/1676-7-0x0000000006690000-0x0000000006870000-memory.dmp

              memory/1676-2-0x0000000003F80000-0x0000000003F8C000-memory.dmp

              memory/1676-8-0x0000000075000000-0x00000000757BC000-memory.dmp

              memory/2224-225-0x0000021529AE0000-0x000002152A484000-memory.dmp

              memory/2224-262-0x0000021529AE0000-0x000002152A484000-memory.dmp

              memory/3872-219-0x0000000000260000-0x00000000003F6000-memory.dmp

              memory/3872-222-0x000000001B8B0000-0x000000001BA90000-memory.dmp

              memory/3872-227-0x0000000002600000-0x0000000002630000-memory.dmp

              memory/3872-226-0x000000001BA90000-0x000000001BC18000-memory.dmp

              memory/3872-221-0x000000001B570000-0x000000001B6CA000-memory.dmp

              memory/3872-220-0x000000001AF10000-0x000000001AFAE000-memory.dmp

              memory/4464-152-0x0000000003D70000-0x0000000003DA0000-memory.dmp

              memory/4464-164-0x0000000003F50000-0x0000000003FA0000-memory.dmp

              memory/4464-196-0x00000000044E0000-0x000000000457E000-memory.dmp

              memory/4464-197-0x0000000004580000-0x0000000004612000-memory.dmp

              memory/4464-201-0x0000000004770000-0x0000000004846000-memory.dmp

              memory/4464-199-0x0000000004220000-0x0000000004261000-memory.dmp

              memory/4464-162-0x0000000004300000-0x00000000044E0000-memory.dmp

              memory/4464-158-0x0000000003FC0000-0x000000000411A000-memory.dmp

              memory/5724-75-0x0000000005F30000-0x0000000005F98000-memory.dmp