Analysis

  • max time kernel
    149s
  • max time network
    144s
  • 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, 12:36

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample260928-ptefnsaf84
  • SHA256 e15d2814c55bc42601325c738031f7a87106b95bf0d3b145e6fedb467546ec32
  • 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:3304
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\dd1e924c764fddd4\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:4012
  • 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:712
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 99BF63B7925AD99B4D9FD6E533C8B578 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICFD9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240767031 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1084
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID51A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240768312 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:3712
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDE62.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240770796 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5688
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3420
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F33E37123AE9186C0CCBF66F261792E3
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2192
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 72F954603458B2119643BAAFC92280BC E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:6072
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2968
    • C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-lgz5ic-relay.screenconnect.com&p=443&s=e7b96c40-6319-465f-ae24-247da92a7d42&k=BgIAAACkAABSU0ExAAgAAAEAAQA5imROzaonxbKfmMiTXtb%2bMTzZ5e9prNQulT34hvI%2b6EbevA9W2u1ygEWA12zVG0JUcat4CLD%2bi2tl8sZF35CkDpFnXM%2byGYnjguQUtWVw8frNLJzrrksWr81MbPwEJnjIYEXqdhdNY0oaI%2fEHlqra5mQRh21KHV4%2fXvIjFHdJvMFYxLv9p%2beZvQzAe9ZQH6P68bB6cThimjTEWJiFCH5kwWUaKqH5g9K61ugm%2fQjfsPyQ87bzm3jgM0TC0vX8s1iC7gWt5Wgc8KLJrh55RqNOXr2GqINZs6gMY2asbDejosv7JxyvnlQlqdm9yieWw7sGYIR66TiYfJk%2bi4YuTKa7&c=KelvinBrown%20Movie%20Academy&c=KelvinBrownmovies.co&c=Unot%20Department&c=KanProPC&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:5672
      • C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.WindowsClient.exe" "RunRole" "e2cac0cb-2563-43e4-8e70-92ac952552c6" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4532
      • C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.WindowsClient.exe" "RunRole" "30e94067-1d9b-4817-a499-13da455ca2b7" "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:3120

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a2a3f.rbs

          • Path C:\Config.Msi\e5a2a3f.rbs
          • Size 214KB
          • SHA256 e902c6c1addd3da8e73cb20dc8fb199d412d71fa24c8a32889e8eb1defb76593
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.WindowsClient.exe
          • Size 1.6MB
          • SHA256 b7a495f517b9bf23f529552b145121f922ab4915e24b663ae68b3007daea3804
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (dd1e924c764fddd4)\system.config
          • Size 962B
          • SHA256 ea9493188cea336e1e5b3fa8248c95f20e2b5898713fe2a6421701b646311d78
          • MD5 SHA1 SHA512 TLSH

          MSICFD9.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSICFD9.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSICFD9.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSICFD9.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSICFD9.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSICFD9.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSID51A.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID51A.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\dd1e924c764fddd4\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 fc86621e1293b33056aec9dc59867c41406dd9f1bdf6ba7550ca96135442b27b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI30D6.tmp

          • Path C:\Windows\Installer\MSI30D6.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          3v5rhkcq.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (dd1e924c764fddd4)\3v5rhkcq.newcfg
          • Size 884B
          • SHA256 909da5410ff3ea0e2bd2be28902bda7b0c2d8cd30ae4f1551a1f67f62e4d510a
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (dd1e924c764fddd4)\user.config
          • Size 683B
          • SHA256 6f0bfb9a4da019fc74b0715b353328bd848178ae7a39b846483bd0665e238eef
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (dd1e924c764fddd4)\user.config
          • Size 520B
          • SHA256 ae630563106de14af3246db194e82b67b87f9756b08819890ccf8ad65ac48d13
          • MD5 SHA1 SHA512 TLSH

          memory/1084-45-0x0000000005E10000-0x0000000005FF0000-memory.dmp

          memory/1084-41-0x0000000005AD0000-0x0000000005C2A000-memory.dmp

          memory/1084-33-0x0000000005940000-0x000000000596E000-memory.dmp

          memory/1084-37-0x0000000005920000-0x000000000592C000-memory.dmp

          memory/3304-6-0x0000000075010000-0x00000000757CC000-memory.dmp

          memory/3304-8-0x0000000075010000-0x00000000757CC000-memory.dmp

          memory/3304-1-0x00000000064A0000-0x00000000064A8000-memory.dmp

          memory/3304-2-0x00000000064C0000-0x00000000064CC000-memory.dmp

          memory/3304-10-0x0000000075010000-0x00000000757CC000-memory.dmp

          memory/3304-9-0x0000000006F00000-0x00000000074BA000-memory.dmp

          memory/3304-3-0x0000000006580000-0x00000000066DA000-memory.dmp

          memory/3304-13-0x0000000075010000-0x00000000757CC000-memory.dmp

          memory/3304-0-0x0000000075022000-0x0000000075023000-memory.dmp

          memory/3304-4-0x0000000075010000-0x00000000757CC000-memory.dmp

          memory/3304-5-0x00000000066E0000-0x0000000006748000-memory.dmp

          memory/3304-7-0x0000000006750000-0x0000000006930000-memory.dmp

          memory/3712-75-0x0000000003B50000-0x0000000003BB8000-memory.dmp

          memory/4532-218-0x000000001B860000-0x000000001B9BA000-memory.dmp

          memory/4532-219-0x000000001BBA0000-0x000000001BD80000-memory.dmp

          memory/4532-217-0x000000001B360000-0x000000001B3FE000-memory.dmp

          memory/4532-221-0x0000000002960000-0x0000000002990000-memory.dmp

          memory/4532-216-0x00000000004E0000-0x0000000000676000-memory.dmp

          memory/4532-222-0x00000000027D0000-0x0000000002811000-memory.dmp

          memory/4532-220-0x000000001BD80000-0x000000001BF08000-memory.dmp

          memory/5672-175-0x0000000004460000-0x00000000044B0000-memory.dmp

          memory/5672-193-0x0000000004AB0000-0x0000000004B42000-memory.dmp

          memory/5672-195-0x00000000044B0000-0x00000000044F1000-memory.dmp

          memory/5672-197-0x0000000004CA0000-0x0000000004D76000-memory.dmp

          memory/5672-192-0x0000000004A10000-0x0000000004AAE000-memory.dmp

          memory/5672-162-0x0000000004830000-0x0000000004A10000-memory.dmp

          memory/5672-158-0x00000000044F0000-0x000000000464A000-memory.dmp

          memory/5672-152-0x0000000001E20000-0x0000000001E50000-memory.dmp