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
    20/10/2026, 12:56

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 14.5MB
  • Sample261020-p6l2aahz21
  • SHA256 c6bab563ad3cfc47714d41c3c6e14deea0fd8aa8d6039a6fde88ee29986aa0c9
  • 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 17 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:1264
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\4fd64aa7a6257264\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:120
  • 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:2356
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 577FAA51F498CDC7B86E50E61C73B7B4 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3400
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI76EB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240744343 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1128
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7AD4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240745187 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:5872
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI819C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240746937 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5560
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3544
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A917D77C85380B3CC5AA65060290BEE3
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1352
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8678A01219BA25F13D7BF48AA874E7A1 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5412
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4988
    • C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-q2npjo-relay.screenconnect.com&p=443&s=ae586d84-e50c-4f7e-9d42-ac191c289678&k=BgIAAACkAABSU0ExAAgAAAEAAQDJc6TxzC%2fVuI4D3hAOWcNewgsJD%2bl29lNR8UrRyPRTtjNiokCOGnfhENMDFLtGjXn1yN0vd0xO%2b2ZfzU7VX49dbRiqrtHHbLNTWjUkxQlMC%2fDaARcdXr%2feKfhzX5YMXvtBPrPfKPfaRsEelsGV5MH0VTaSWJsTOiLz3J3ZnXfnUK49Rve1tFNc8bqq%2bKqyN8S7JzGaw0u09YhvGU92KNktpWlZIn9Tq4GBakCvyDbGP0BsWR%2b%2fZpoLsiQsQXs%2fzkAk1MWVly%2f9o7W%2feu6quTNMXkNq41TLNax1QySZZVWadgAtz4JQPLp7PjKj4HP2R57qTXaZbIYfDetB1ioMPdXU&c=FAC-factura-hotel&c=FAC-factura-hotel&c=FAC-factura-hotel&c=FAC-factura-hotel&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:5700
      • C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.WindowsClient.exe" "RunRole" "0183de7f-a904-4a57-91de-d660eeb508ab" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5696
      • C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.WindowsClient.exe" "RunRole" "0ebdc952-5ba1-4e05-8d18-2324669fe048" "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:3196

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59c395.rbs

          • Path C:\Config.Msi\e59c395.rbs
          • Size 214KB
          • SHA256 288b81db1a563a625cf3e07a21686d112b27e5fe3b2d6fc154a695367fefd417
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.fr-FR.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\Client.fr-FR.resources
          • Size 55KB
          • SHA256 db771509ade80cbea5b78cf3b6d99ac87dc70e2c116405ae8c4ed08ae1748e50
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (4fd64aa7a6257264)\system.config
          • Size 966B
          • SHA256 e1c1e136670b571a3811228ee0c485a77dc8ebb1e41d7ca31baa75bfc33d9ac8
          • MD5 SHA1 SHA512 TLSH

          MSI76EB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI76EB.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI76EB.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI76EB.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI76EB.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI76EB.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7AD4.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7AD4.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 361bbc692084841e4c8d22c89ca89c711d0fe17bc8759241736531a2f28de25b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\4fd64aa7a6257264\ScreenConnect.ClientSetup.msi
          • Size 12.0MB
          • SHA256 4d7de32c7ead8594aa27b9ffbc0fac68ede8dc7ebf5d7becc7190988cbf297ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSICAE8.tmp

          • Path C:\Windows\Installer\MSICAE8.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          2wkoyqdw.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4fd64aa7a6257264)\2wkoyqdw.newcfg
          • Size 885B
          • SHA256 008c4507a76cf1241180710b6614c42abc259a2d5859ae942450705c04d8f591
          • MD5 SHA1 SHA512 TLSH

          qa13oinf.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4fd64aa7a6257264)\qa13oinf.newcfg
          • Size 683B
          • SHA256 4961dbd4ab3bd5b328c34774b0e86a602c10c1742cc8812352607ae9f1d0620a
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4fd64aa7a6257264)\user.config
          • Size 520B
          • SHA256 62c5f40d69e00a039a042d8d2128f73da93a681ba98b331b16390871582323b9
          • MD5 SHA1 SHA512 TLSH

          memory/1128-37-0x00000000055C0000-0x00000000055CC000-memory.dmp

          memory/1128-45-0x0000000005920000-0x0000000005AD0000-memory.dmp

          memory/1128-41-0x00000000056D0000-0x0000000005766000-memory.dmp

          memory/1128-33-0x00000000055D0000-0x00000000055FE000-memory.dmp

          memory/1264-9-0x00000000743F0000-0x0000000074BAC000-memory.dmp

          memory/1264-1-0x0000000003A20000-0x0000000003A28000-memory.dmp

          memory/1264-3-0x0000000006160000-0x00000000061F6000-memory.dmp

          memory/1264-8-0x00000000743F0000-0x0000000074BAC000-memory.dmp

          memory/1264-11-0x00000000743F0000-0x0000000074BAC000-memory.dmp

          memory/1264-5-0x00000000060D0000-0x00000000060F8000-memory.dmp

          memory/1264-13-0x00000000743F0000-0x0000000074BAC000-memory.dmp

          memory/1264-7-0x0000000006960000-0x0000000006F1A000-memory.dmp

          memory/1264-2-0x0000000003A40000-0x0000000003A4C000-memory.dmp

          memory/1264-4-0x00000000743F0000-0x0000000074BAC000-memory.dmp

          memory/1264-6-0x00000000061F0000-0x00000000063A0000-memory.dmp

          memory/1264-0-0x0000000074402000-0x0000000074403000-memory.dmp

          memory/3196-230-0x0000000002340000-0x0000000002381000-memory.dmp

          memory/5696-225-0x000000001B320000-0x000000001B3B6000-memory.dmp

          memory/5696-224-0x000000001AFA0000-0x000000001B00C000-memory.dmp

          memory/5696-223-0x0000000000280000-0x0000000000330000-memory.dmp

          memory/5696-228-0x000000001B8B0000-0x000000001BA38000-memory.dmp

          memory/5696-227-0x0000000000BB0000-0x0000000000BCA000-memory.dmp

          memory/5696-226-0x000000001B570000-0x000000001B720000-memory.dmp

          memory/5700-175-0x0000000004840000-0x0000000004890000-memory.dmp

          memory/5700-200-0x0000000004A50000-0x0000000004A91000-memory.dmp

          memory/5700-202-0x0000000004DC0000-0x0000000004E96000-memory.dmp

          memory/5700-198-0x0000000004BD0000-0x0000000004C62000-memory.dmp

          memory/5700-197-0x0000000004AC0000-0x0000000004B2C000-memory.dmp

          memory/5700-163-0x00000000048A0000-0x0000000004A50000-memory.dmp

          memory/5700-159-0x0000000004650000-0x00000000046E6000-memory.dmp

          memory/5700-153-0x0000000004510000-0x000000000452A000-memory.dmp

          memory/5872-75-0x0000000003E50000-0x0000000003E78000-memory.dmp