Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • max time kernel
    899s
  • max time network
    896s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 11:46

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample260930-nxe1yaed26
  • SHA256 c58096ee6c2e7b155c82baba7bada4ad074852085fe9d87deb9ddb6a859cccfb
  • 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:3504
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\d7cf8d12fe6728cc\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:4004
  • 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:1936
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 1A725BF3B55DB0842888AD4F7CE3259A C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3848
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDD27.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240770578 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5492
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE40E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240772375 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:3968
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIEBEF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240774171 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:624
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5408
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding B958A5086D71BA9631595346F6A9F597
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4692
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding EB8214D00D966A05BCDCD30A7BED012B E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2148
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1360
    • C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-kqooua-relay.screenconnect.com&p=443&s=d1dee81c-bd92-4207-9306-c6b52dbf7b4a&k=BgIAAACkAABSU0ExAAgAAAEAAQAFdN0rhs0U9bo609j0RVYIrp4uK%2bqBU3K5dXNV4PYrVIXXqnSCD0RuB81Q3YtBcLZR%2bto6x3XwB4A27csZRA0bB38culmNPr579OpuQP8LjuX7Uk7eyZbVbGnGUE%2fYirsCnmI3XOW5YUm70A4%2bTwhV%2fbtAVtUzGRKzaGMxAvd66vzhEl4xr%2f4YC8i%2bLFrnQO7XfUg%2bewHxpos0JylTo7Z%2f%2br0oOug3%2buNTYmP%2bA3gjHLode389cID3YQJKfWpvlBM3qhsbzBNU8LGAR29BPDEekkpAMeCmcAAncH4RuDy%2b1E1NaMJGo11fD5ZxPEOV9vt%2fH19zyM%2bCSsx5%2f%2bvC1cSu"
      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:3176
      • C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.WindowsClient.exe" "RunRole" "fb13abdc-b827-4878-a296-d207125f8563" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5736
      • C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.WindowsClient.exe" "RunRole" "c6ae9568-feb8-469f-a124-05001a1ad2e4" "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:3508
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:1940
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:3784

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              e5a3e15.rbs

              • Path C:\Config.Msi\e5a3e15.rbs
              • Size 214KB
              • SHA256 467344a23a733b8610f8cfb010d33c0d95da57384d6169f9237f25698dca2aec
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.en-US.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\Client.en-US.resources
              • Size 64KB
              • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\Client.resources
              • Size 6KB
              • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Client.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.Client.dll
              • Size 615KB
              • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.ClientService.dll
              • Size 176KB
              • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.ClientService.exe
              • Size 93KB
              • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.Core.dll
              • Size 1.3MB
              • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.Windows.dll
              • Size 1.9MB
              • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsAuthenticationPackage.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.WindowsAuthenticationPackage.dll
              • Size 254KB
              • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.WindowsClient.exe
              • Size 1.6MB
              • SHA256 b7a495f517b9bf23f529552b145121f922ab4915e24b663ae68b3007daea3804
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe.config

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.WindowsClient.exe.config
              • Size 266B
              • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
              • MD5 SHA1 SHA512 TLSH

              ScreenConnect.WindowsCredentialProvider.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\ScreenConnect.WindowsCredentialProvider.dll
              • Size 837KB
              • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              system.config

              • Path C:\Program Files (x86)\ScreenConnect Client (d7cf8d12fe6728cc)\system.config
              • Size 978B
              • SHA256 f961b785c93c0b7f118842c5b5b35c7e72bb311431121b0fc3df78ee1db5fb44
              • MD5 SHA1 SHA512 TLSH

              MSIDD27.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\MSIDD27.tmp
              • Size 1.9MB
              • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Microsoft.Deployment.WindowsInstaller.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSIDD27.tmp-\Microsoft.Deployment.WindowsInstaller.dll
              • Size 172KB
              • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSIDD27.tmp-\ScreenConnect.Core.dll
              • Size 1.3MB
              • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.InstallerActions.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSIDD27.tmp-\ScreenConnect.InstallerActions.dll
              • Size 24KB
              • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSIDD27.tmp-\ScreenConnect.Windows.dll
              • Size 1.8MB
              • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              CustomAction.config

              • Path C:\Users\Admin\AppData\Local\Temp\MSIE40E.tmp-\CustomAction.config
              • Size 234B
              • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
              • MD5 SHA1 SHA512 TLSH

              ScreenConnect.WindowsInstaller.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSIE40E.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\d7cf8d12fe6728cc\ScreenConnect.ClientSetup.msi
              • Size 16.2MB
              • SHA256 2490486a518546e74176d9e110153664f47f848a374acb66ad0441c04d990c0f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              MSI44DB.tmp

              • Path C:\Windows\Installer\MSI44DB.tmp
              • Size 202KB
              • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
              • MD5 SHA1 SHA512 SSDEEP TLSH

              5hjnj2an.newcfg

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d7cf8d12fe6728cc)\5hjnj2an.newcfg
              • Size 884B
              • SHA256 db479c3085d1ce05a4cb40124ae9f6b3679b3998796d886755446dc82a0ade3f
              • MD5 SHA1 SHA512 TLSH

              ersae2w1.newcfg

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d7cf8d12fe6728cc)\ersae2w1.newcfg
              • Size 683B
              • SHA256 2b789a528160816cec0c795b41bc323005f5e45b0cd3824c87f60fe68e3a4c62
              • MD5 SHA1 SHA512 TLSH

              user.config

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d7cf8d12fe6728cc)\user.config
              • Size 520B
              • SHA256 3351ebe6690ba4777be6dc66d0d9318b52d0065420ceb1b1d53afec8529bf946
              • MD5 SHA1 SHA512 TLSH

              memory/3176-175-0x0000000004910000-0x0000000004960000-memory.dmp

              memory/3176-194-0x0000000004C70000-0x0000000004D0E000-memory.dmp

              memory/3176-195-0x0000000004D10000-0x0000000004DA2000-memory.dmp

              memory/3176-152-0x0000000002000000-0x0000000002030000-memory.dmp

              memory/3176-197-0x0000000004960000-0x00000000049A1000-memory.dmp

              memory/3176-199-0x0000000004F00000-0x0000000004FD6000-memory.dmp

              memory/3176-158-0x00000000046B0000-0x000000000480A000-memory.dmp

              memory/3176-162-0x00000000049F0000-0x0000000004BD0000-memory.dmp

              memory/3504-5-0x0000000075010000-0x00000000757CC000-memory.dmp

              memory/3504-13-0x0000000075010000-0x00000000757CC000-memory.dmp

              memory/3504-1-0x0000000003C70000-0x0000000003C78000-memory.dmp

              memory/3504-2-0x0000000003CA0000-0x0000000003CAC000-memory.dmp

              memory/3504-3-0x0000000075010000-0x00000000757CC000-memory.dmp

              memory/3504-7-0x0000000006520000-0x0000000006700000-memory.dmp

              memory/3504-10-0x0000000075010000-0x00000000757CC000-memory.dmp

              memory/3504-0-0x0000000075022000-0x0000000075023000-memory.dmp

              memory/3504-8-0x0000000075010000-0x00000000757CC000-memory.dmp

              memory/3504-4-0x00000000063C0000-0x000000000651A000-memory.dmp

              memory/3504-6-0x00000000062D0000-0x0000000006338000-memory.dmp

              memory/3504-9-0x0000000006CC0000-0x000000000727A000-memory.dmp

              memory/3968-75-0x0000000003BB0000-0x0000000003C18000-memory.dmp

              memory/5492-41-0x0000000006230000-0x000000000638A000-memory.dmp

              memory/5492-45-0x0000000006570000-0x0000000006750000-memory.dmp

              memory/5492-37-0x0000000003FD0000-0x0000000003FDC000-memory.dmp

              memory/5492-33-0x0000000003F90000-0x0000000003FBE000-memory.dmp

              memory/5736-218-0x000000001B000000-0x000000001B09E000-memory.dmp

              memory/5736-219-0x000000001B500000-0x000000001B65A000-memory.dmp

              memory/5736-217-0x0000000000220000-0x00000000003B6000-memory.dmp

              memory/5736-221-0x000000001B840000-0x000000001BA20000-memory.dmp

              memory/5736-222-0x000000001BA20000-0x000000001BBA8000-memory.dmp

              memory/5736-223-0x0000000000CE0000-0x0000000000D10000-memory.dmp