Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/10/2026, 14:17

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample261015-rl4fya112q
  • SHA256 97d2e4d14fe9401f944ec3971e32750601ada1376c630c67771353636a63528b
  • 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:5096
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\1c1c580a6b6eec46\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:5500
  • 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:5852
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D785670343435E23AC2DF21F2600395E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4164
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI97BD.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240818218 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2852
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9BE4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240819390 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:1336
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA2FA.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240821015 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5856
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3120
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E9B74962B0D06287EF3E210B09393A55
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3856
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5109C47DC0B80FBD53493F7AEF0DC61B E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1972
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5212
    • C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-uamqxa-relay.screenconnect.com&p=443&s=678e175d-c8a7-4ec8-8f30-0363aa27c3b8&k=BgIAAACkAABSU0ExAAgAAAEAAQDV6gSUcD9h9tr7Gd1s89GULIWP8YQ%2f8dOIR4oAKz3%2f7kBlsAaDP%2bsjnQLdX0T1BfeWbFOBYtamwJZaF996VMA1PKCt27DKg0%2fkj10skOA%2f8ZZbqGhubIWFS9hLgOJas2QofO0g0TtPhilXtQeHC9cXJZ%2fAV83hp7IvFPO2QP2rwkfkL%2fQthTPu%2b2C6HnKVzp39Ok9ICslCFgJRS%2bR7ClBwxDO97H2j7dn8HjfltbgWvoFaU37lxWLYwPP%2fy6qY%2b0OQf6z61K5jWppCkBhDd0tOSPDrTEGEm4WHlwXpYFuWpyOCC%2fN31dW47DVIEGak9kShQxuNM15XgvNUyUoGwpPB&c=factura&c=11&c=client&c=02&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:2364
      • C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe" "RunRole" "fc4804a1-8efd-427d-9481-ab1976b4305a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4924
      • C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe" "RunRole" "a8feec38-b5db-40cd-b54f-cd354f39fd8c" "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:5820

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5aeb4d.rbs

          • Path C:\Config.Msi\e5aeb4d.rbs
          • Size 214KB
          • SHA256 8fe7c0225728f73ed3b887cf0f977c3a760925ebb4d325fa87e28f73fcd54411
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\system.config
          • Size 968B
          • SHA256 c779951929eccc8de878f61e374294992ba0b57eef312c3880c60ec851251394
          • MD5 SHA1 SHA512 TLSH

          MSI97BD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI97BD.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI97BD.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI97BD.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI97BD.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI97BD.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9BE4.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9BE4.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\1c1c580a6b6eec46\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 58183ef73dad5abf2116bd38848f13a0772e8391fa955bef2a085db9110863b3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIF186.tmp

          • Path C:\Windows\Installer\MSIF186.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          4fmheosk.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c1c580a6b6eec46)\4fmheosk.newcfg
          • Size 683B
          • SHA256 8a2d576b536c39582a5cf13d9eeb24dd04304b232a4fcc1f4b110da064e8aae6
          • MD5 SHA1 SHA512 TLSH

          uq3hr22y.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c1c580a6b6eec46)\uq3hr22y.newcfg
          • Size 881B
          • SHA256 e34e242cd1009b6d9310b7aba59164481fa9d00d36706fd734c3b215d9b4c306
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c1c580a6b6eec46)\user.config
          • Size 520B
          • SHA256 157a0bb5d0102532d0874207bd1c233b03d7a152ce3b972dc01c2b66eba4a13e
          • MD5 SHA1 SHA512 TLSH

          memory/1336-75-0x00000000035C0000-0x00000000035E8000-memory.dmp

          memory/2364-175-0x0000000004270000-0x00000000042C0000-memory.dmp

          memory/2364-196-0x00000000042C0000-0x000000000432C000-memory.dmp

          memory/2364-152-0x0000000001A00000-0x0000000001A1A000-memory.dmp

          memory/2364-197-0x00000000045D0000-0x0000000004662000-memory.dmp

          memory/2364-199-0x0000000004210000-0x0000000004251000-memory.dmp

          memory/2364-158-0x0000000004150000-0x00000000041E6000-memory.dmp

          memory/2364-201-0x00000000047C0000-0x0000000004896000-memory.dmp

          memory/2364-162-0x0000000004420000-0x00000000045D0000-memory.dmp

          memory/2852-33-0x0000000003AC0000-0x0000000003AEE000-memory.dmp

          memory/2852-45-0x0000000005EA0000-0x0000000006050000-memory.dmp

          memory/2852-41-0x0000000005BB0000-0x0000000005C46000-memory.dmp

          memory/2852-37-0x0000000003AB0000-0x0000000003ABC000-memory.dmp

          memory/4924-224-0x000000001B900000-0x000000001BAB0000-memory.dmp

          memory/4924-223-0x000000001B6B0000-0x000000001B746000-memory.dmp

          memory/4924-222-0x000000001B340000-0x000000001B3AC000-memory.dmp

          memory/4924-221-0x00000000005D0000-0x0000000000680000-memory.dmp

          memory/4924-225-0x0000000000F10000-0x0000000000F2A000-memory.dmp

          memory/4924-226-0x000000001BC40000-0x000000001BDC8000-memory.dmp

          memory/4924-227-0x0000000000F30000-0x0000000000F71000-memory.dmp

          memory/5096-8-0x00000000063C0000-0x000000000697A000-memory.dmp

          memory/5096-3-0x0000000005B40000-0x0000000005BD6000-memory.dmp

          memory/5096-2-0x0000000003510000-0x000000000351C000-memory.dmp

          memory/5096-6-0x0000000005C50000-0x0000000005E00000-memory.dmp

          memory/5096-1-0x0000000001CA0000-0x0000000001CA8000-memory.dmp

          memory/5096-5-0x0000000003550000-0x0000000003578000-memory.dmp

          memory/5096-4-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/5096-7-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/5096-13-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/5096-9-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/5096-10-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/5096-0-0x0000000074742000-0x0000000074743000-memory.dmp

          memory/5820-229-0x0000000001950000-0x0000000001991000-memory.dmp