Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 00:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260910-al25fasfqe
  • SHA256 853ad72568f305c07147a1511bf3c76665f582d20f1d83364875a3cce33e4441
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 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 2 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.

  • Modifies data under HKEY_USERS 8 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 9 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:1716
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\0af6a3abb4af7515\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:4524
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • 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:3852
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6EB5C6BC17F479E4CB1D9CE65DC759F0 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4DA9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240733812 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5872
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI525D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240734906 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5464
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI58C7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240736578 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2024
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3236
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7EDD35940E7AE21D192CAC55D4466575
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5688
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding BA20B4550CCE56BE0219A923820FAED5 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1524
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1708
    • C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-rae2qr-relay.screenconnect.com&p=443&s=6bf940f2-acb0-4c36-abde-753c42b084c1&k=BgIAAACkAABSU0ExAAgAAAEAAQBt0Y6Af34A5QkDVtIMU9prpCoNfbfdRYtAClz7%2fzFhd%2fFtTrFxdAdsrEoRxvVTCh7C0P1jFRv3Fxlay7Q8Wem632epSXIf%2b1O8K0psif7VqwDx8WbxT7dDVCL6786gOZzoZht30TYCUbEEfgeeIXDVGSVANn9Bt3uXzlH2Lp4xJnSrNhx2H4d2HQ8%2bfkQjiPFdtICk8DZYCZvETlKo5uduFs%2flPyKWEejFTIsumBNuJx53EuChCikffWB0avLXnOHJgHbQn%2fz%2bdyDgmBJrjg0yPMBy1QmXOKMyC%2bHpGZtfyyZBoDs4MnCp60a7x45ZRfqsZrEteCPBDzoj3iZHQWK4"
      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:4348
      • C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe" "RunRole" "80aae7ad-caff-4951-b026-c499e2dbd8d7" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5360

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59af13.rbs

          • Path C:\Config.Msi\e59af13.rbs
          • Size 214KB
          • SHA256 72c02e059294b7f67f929f71a703a2ad753458154f46f8cd8d9b49fbc4f5efc1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\system.config
          • Size 960B
          • SHA256 3f452b843c6afc9e13ed22092f9a45049e150353ec335ddf187bc48691e2599e
          • MD5 SHA1 SHA512 TLSH

          57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
          • Size 4KB
          • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
          • Size 342B
          • SHA256 55183fc8aec0e393a25e7002cdd800f665edb0ed10739f7aff68de8d7785891f
          • MD5 SHA1 SHA512 TLSH

          MSI4DA9.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DA9.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DA9.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DA9.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DA9.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DA9.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI525D.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI525D.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\0af6a3abb4af7515\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 aa2f2ed612d531cc51915e881b71cf5850b1c9f6258304f932ade3a4ec053571
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIB7ED.tmp

          • Path C:\Windows\Installer\MSIB7ED.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          gsqvg1pe.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0af6a3abb4af7515)\gsqvg1pe.newcfg
          • Size 884B
          • SHA256 8e667c3ee7899d2b93ef6c5988dd290ffff3843cb6eb2738eee3c4ca01a23bba
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0af6a3abb4af7515)\user.config
          • Size 683B
          • SHA256 2c8b3a04248f823bc744e0970e19ae100d435cc75f3b88e8caa6549823544dc4
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0af6a3abb4af7515)\user.config
          • Size 520B
          • SHA256 05f061c3460be62259f336c9ea3ed851a168a7361285ca0745ed18fd35a7659a
          • MD5 SHA1 SHA512 TLSH

          memory/1716-3-0x0000000005750000-0x00000000057E6000-memory.dmp

          memory/1716-7-0x0000000005F50000-0x000000000650A000-memory.dmp

          memory/1716-13-0x0000000074190000-0x000000007494C000-memory.dmp

          memory/1716-1-0x00000000031D0000-0x00000000031D8000-memory.dmp

          memory/1716-11-0x0000000074190000-0x000000007494C000-memory.dmp

          memory/1716-2-0x00000000031F0000-0x00000000031FC000-memory.dmp

          memory/1716-4-0x0000000074190000-0x000000007494C000-memory.dmp

          memory/1716-5-0x0000000003220000-0x0000000003248000-memory.dmp

          memory/1716-10-0x0000000074190000-0x000000007494C000-memory.dmp

          memory/1716-9-0x0000000074190000-0x000000007494C000-memory.dmp

          memory/1716-6-0x00000000057E0000-0x0000000005990000-memory.dmp

          memory/1716-0-0x00000000741A2000-0x00000000741A3000-memory.dmp

          memory/4348-199-0x0000000004800000-0x0000000004892000-memory.dmp

          memory/4348-201-0x0000000004520000-0x0000000004561000-memory.dmp

          memory/4348-198-0x0000000004790000-0x00000000047FC000-memory.dmp

          memory/4348-158-0x0000000001CD0000-0x0000000001CEA000-memory.dmp

          memory/4348-181-0x00000000044D0000-0x0000000004520000-memory.dmp

          memory/4348-168-0x00000000045E0000-0x0000000004790000-memory.dmp

          memory/4348-164-0x0000000004390000-0x0000000004426000-memory.dmp

          memory/4348-203-0x00000000049F0000-0x0000000004AC6000-memory.dmp

          memory/5360-223-0x00000000023B0000-0x000000000241C000-memory.dmp

          memory/5360-222-0x0000000000020000-0x00000000000D0000-memory.dmp

          memory/5360-224-0x000000001AD10000-0x000000001ADA6000-memory.dmp

          memory/5360-225-0x000000001B3B0000-0x000000001B560000-memory.dmp

          memory/5360-226-0x0000000000940000-0x000000000095A000-memory.dmp

          memory/5360-227-0x000000001B560000-0x000000001B6E8000-memory.dmp

          memory/5464-75-0x0000000003540000-0x0000000003568000-memory.dmp

          memory/5872-37-0x0000000003E70000-0x0000000003E7C000-memory.dmp

          memory/5872-45-0x0000000006180000-0x0000000006330000-memory.dmp

          memory/5872-41-0x0000000005F30000-0x0000000005FC6000-memory.dmp

          memory/5872-33-0x0000000003E30000-0x0000000003E5E000-memory.dmp