Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 15:08

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260804-sh5ehacf88
  • SHA256 7d27e8ffbf9efeb5f90b70fb543137892c5d36f583c701b7d0e5a3763b7a2aed
  • 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).

  • 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:1756
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\5368e7d5bb8a0687\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:4200
  • 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:4368
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3F051773BD815381CFBE31C52AEEDC51 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4792
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF9AD.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240712375 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4680
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIFD09.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240713000 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3208
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3D1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240714843 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:236
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3500
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5344FD9AD69EC922F8B06CE265B49D8A
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:6104
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1409F98E945804F32760F0310F575F13 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4936
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5760
    • C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-gwvfg5-relay.screenconnect.com&p=443&s=a2347ba2-fdad-4985-98e7-6279cfac2f09&k=BgIAAACkAABSU0ExAAgAAAEAAQAxCH0LsGQ0qSBtsJ82nKuN6j1i0SKtm4ay%2b%2fJnedAqYuIjgDq0ecBH4fbLYwN1AsoJiPgQhD%2bhmK47BsS5HQFSxFbrJasaAHO6MPsFss3Jisf7GeeIQEf7yJQ689AVZjMVQXn%2f16leeIp4lfRN9NpF96RheYEcM486rVVzXbi2%2b2GCYOxZQGQxqeTWZ4bs4E%2fcZRpzH1e2Vx77svkWSxVGYR02BjEvKULEOxtW%2fUpxAnpCw%2bctqy%2bIn0Ewy%2blYdsitENubo6CdxXCWDlLKhi4p%2bBh4CPboEFS%2fMNDCoc6607AvqGPYEiL3hIJrIUA0rV2SR5y%2fsonjzEAkDE0WwFTN"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.WindowsClient.exe" "RunRole" "06ef8d7c-d731-4fcc-b91a-e5da5f469855" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1920
      • C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.WindowsClient.exe" "RunRole" "c5eb0179-2977-4f6a-b33c-62d3224169c9" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4768

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e594fae.rbs

          • Path C:\Config.Msi\e594fae.rbs
          • Size 214KB
          • SHA256 8373f68cb49e34ed3d61e0938e6576afe8c9a075914f2ada7d8285e411ff440b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (5368e7d5bb8a0687)\system.config
          • Size 970B
          • SHA256 1e4bc75b072828b2e7916cea1728e94778f50a5d95f5031e2085d09d89cb668f
          • MD5 SHA1 SHA512 TLSH

          MSIF9AD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9AD.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9AD.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9AD.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9AD.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9AD.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFD09.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFD09.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\5368e7d5bb8a0687\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 01f4cf523da0a4bc6c6d65b88ba3bfcac7f2299079b54e6fdda8be7b17f14126
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI5684.tmp

          • Path C:\Windows\Installer\MSI5684.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          3iwpumtx.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (5368e7d5bb8a0687)\3iwpumtx.newcfg
          • Size 881B
          • SHA256 3f308bbc1d5e026ebfd78c459066521da34f31f8a28327df8fe46ffd9b4ffa53
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (5368e7d5bb8a0687)\user.config
          • Size 683B
          • SHA256 8e54d02da4c64cae2e8faaf95c9f71d9c133c293c8067fd773805b23b1bcdb37
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (5368e7d5bb8a0687)\user.config
          • Size 520B
          • SHA256 1fdeab69fd36f173d65e76c721b91466184fe90f6bdd9f974508aec8c85ec5b1
          • MD5 SHA1 SHA512 TLSH

          memory/1332-192-0x0000000004520000-0x000000000458C000-memory.dmp

          memory/1332-193-0x0000000004860000-0x00000000048F2000-memory.dmp

          memory/1332-197-0x0000000004A50000-0x0000000004B26000-memory.dmp

          memory/1332-195-0x00000000044B0000-0x00000000044F1000-memory.dmp

          memory/1332-152-0x0000000001DD0000-0x0000000001DEA000-memory.dmp

          memory/1332-175-0x0000000004460000-0x00000000044B0000-memory.dmp

          memory/1332-158-0x0000000004320000-0x00000000043B4000-memory.dmp

          memory/1332-162-0x0000000004610000-0x00000000047C0000-memory.dmp

          memory/1756-3-0x0000000005E50000-0x0000000005EE4000-memory.dmp

          memory/1756-13-0x0000000074A20000-0x00000000751DC000-memory.dmp

          memory/1756-8-0x0000000006680000-0x0000000006C3A000-memory.dmp

          memory/1756-9-0x0000000074A20000-0x00000000751DC000-memory.dmp

          memory/1756-6-0x0000000005F10000-0x00000000060C0000-memory.dmp

          memory/1756-10-0x0000000074A20000-0x00000000751DC000-memory.dmp

          memory/1756-7-0x0000000074A20000-0x00000000751DC000-memory.dmp

          memory/1756-1-0x0000000001F20000-0x0000000001F28000-memory.dmp

          memory/1756-5-0x0000000005EE0000-0x0000000005F08000-memory.dmp

          memory/1756-2-0x0000000001FA0000-0x0000000001FAC000-memory.dmp

          memory/1756-0-0x0000000074A32000-0x0000000074A33000-memory.dmp

          memory/1756-4-0x0000000074A20000-0x00000000751DC000-memory.dmp

          memory/1920-219-0x000000001BEF0000-0x000000001C0A0000-memory.dmp

          memory/1920-218-0x000000001BA50000-0x000000001BAE4000-memory.dmp

          memory/1920-225-0x000000001D110000-0x000000001D2DA000-memory.dmp

          memory/1920-221-0x000000001C230000-0x000000001C3B8000-memory.dmp

          memory/1920-220-0x0000000002E00000-0x0000000002E1A000-memory.dmp

          memory/1920-216-0x0000000000C20000-0x0000000000CCE000-memory.dmp

          memory/1920-217-0x0000000002E90000-0x0000000002EFC000-memory.dmp

          memory/3208-75-0x0000000005B30000-0x0000000005B58000-memory.dmp

          memory/4680-37-0x0000000003710000-0x000000000371C000-memory.dmp

          memory/4680-45-0x0000000005A30000-0x0000000005BE0000-memory.dmp

          memory/4680-33-0x00000000036C0000-0x00000000036EE000-memory.dmp

          memory/4680-41-0x00000000057E0000-0x0000000005874000-memory.dmp

          memory/4768-223-0x00000000022F0000-0x0000000002331000-memory.dmp

          memory/4768-224-0x000000001C6E0000-0x000000001C8AA000-memory.dmp