Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 12:29

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260810-ppewmsyena
  • SHA256 989534e8cc8d4a18a9d1e2bf0d3c6492a66a7cc79cdd0c600b5f427d980cd23f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 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 18 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 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 13 IoCs
  • Suspicious use of SendNotifyMessage 11 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:4688
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\be19a70065c3c9f8\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:936
  • 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:236
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding BC0487F1E1C4C0F699A89842FD11884F C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE63F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240772953 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2612
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIEB42.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240773984 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4384
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE552.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240838093 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4136
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2624
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 50E68428D7D22AB47DBB0A10138AB103
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5272
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A202D84F98E042DF8AFC11B63713D11B E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2356
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4704
    • C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-r0c6jm-relay.screenconnect.com&p=443&s=2eb5c278-f2a9-48bb-bbda-2b011167442c&k=BgIAAACkAABSU0ExAAgAAAEAAQBhhgfhOTVYgJ6zOUfva16vi3sa6usLp7isFOw5kK2H7bsP3YqyN6ex%2fU4oJxZB47Qhb2VHHlMJJSNPvy2GA6rKnnmcZCq7SRLUm7rxHRcRi39v5QadftyjFYrO5NBPLBb7mIPuISc0tJPW6WPzSe6jsDqxW8lPrmd0ZM05pr8VwcDOZ0%2bX8MlvpBZvXSR4Z3i3ykUpvSYHt8sAT8Kz8NJwsW4iOJKPh7gzcO16I0Df5Ws5rKNS3%2fHxSze4i46g1aaSxwOGE9343BVgK3y4tQbqRdoGYKCYmKGB8au%2bDsE8gkc5ngYFkiHzrWYm2rdzmmXE1JtxkxUjQSgGgoaUXTLw"
      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:2332
      • C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.WindowsClient.exe" "RunRole" "3e2fa884-6175-4e15-b9c9-5bd394bc97ff" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2664

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5b3af3.rbs

          • Path C:\Config.Msi\e5b3af3.rbs
          • Size 214KB
          • SHA256 8b3bc51ad678f29bb9fbabf368c328a800d0c2761f31e96c3850b7ef4ffebce8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (be19a70065c3c9f8)\system.config
          • Size 952B
          • SHA256 2e47e8ac87b312f67cf6aee5ef358db715865685c68f2603e9332e92a16c52d9
          • MD5 SHA1 SHA512 TLSH

          MSIE63F.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE63F.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE63F.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE63F.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE63F.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE63F.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIEB42.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIEB42.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\be19a70065c3c9f8\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 1f5fe7f8f6a87d4e7e384874edadf2df618faf6c5e29d6a89ccbceb2d399e74f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI42B4.tmp

          • Path C:\Windows\Installer\MSI42B4.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          11m2lnfr.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be19a70065c3c9f8)\11m2lnfr.newcfg
          • Size 884B
          • SHA256 def4d6cf13369ae917d764a4ca1044757ad844ce2c98dd1f87633655f2efd6c0
          • MD5 SHA1 SHA512 TLSH

          brslntvd.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be19a70065c3c9f8)\brslntvd.newcfg
          • Size 683B
          • SHA256 2f62afc22abef30cb2cf229b3fc4f933d67761d653868ab9bc1fbca56c63edd9
          • MD5 SHA1 SHA512 TLSH

          htpdkfj0.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be19a70065c3c9f8)\htpdkfj0.newcfg
          • Size 884B
          • SHA256 37b3a41426029afed24b9821ef64043835175684637f62c3a113abc7def401c4
          • MD5 SHA1 SHA512 TLSH

          le002wft.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be19a70065c3c9f8)\le002wft.newcfg
          • Size 884B
          • SHA256 c37d434c4ed069f008f1a1d3f98dc969eebf09862cc0ced6baa46236716f3eee
          • MD5 SHA1 SHA512 TLSH

          p20ekxeu.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be19a70065c3c9f8)\p20ekxeu.newcfg
          • Size 884B
          • SHA256 e3c634c2c91e0849bed95d7423e2dcbfe251429bcf7c97535d8b25812a74f30c
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be19a70065c3c9f8)\user.config
          • Size 520B
          • SHA256 965b7b0a389bd14e4aac306e1d685a7c7f8a1b4cffb81f54acfc83d953c9dce8
          • MD5 SHA1 SHA512 TLSH

          {6ba221a3-9076-458c-8857-4d98a248bb02}_OnDiskSnapshotProp

          • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{6ba221a3-9076-458c-8857-4d98a248bb02}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 7f7538794431c7011b0e715db82a6b7ebadbcd755cc986c91fe893e2714b1af4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2332-200-0x0000000003BB0000-0x0000000003BF1000-memory.dmp

          memory/2332-161-0x0000000003A30000-0x0000000003AC4000-memory.dmp

          memory/2332-202-0x0000000004090000-0x0000000004166000-memory.dmp

          memory/2332-165-0x0000000003C80000-0x0000000003E30000-memory.dmp

          memory/2332-198-0x0000000003EA0000-0x0000000003F32000-memory.dmp

          memory/2332-197-0x0000000003E30000-0x0000000003E9C000-memory.dmp

          memory/2332-178-0x0000000003B60000-0x0000000003BB0000-memory.dmp

          memory/2332-155-0x0000000003970000-0x000000000398A000-memory.dmp

          memory/2612-33-0x00000000033F0000-0x000000000341E000-memory.dmp

          memory/2612-45-0x00000000057F0000-0x00000000059A0000-memory.dmp

          memory/2612-37-0x0000000003430000-0x000000000343C000-memory.dmp

          memory/2612-41-0x0000000003510000-0x00000000035A4000-memory.dmp

          memory/2664-221-0x0000000000250000-0x00000000002FC000-memory.dmp

          memory/2664-227-0x00000000024A0000-0x00000000024E1000-memory.dmp

          memory/2664-226-0x000000001B800000-0x000000001B988000-memory.dmp

          memory/2664-225-0x0000000002440000-0x000000000245A000-memory.dmp

          memory/2664-224-0x000000001B4C0000-0x000000001B670000-memory.dmp

          memory/2664-223-0x000000001B270000-0x000000001B304000-memory.dmp

          memory/2664-222-0x00000000024F0000-0x000000000255C000-memory.dmp

          memory/4384-75-0x0000000005B90000-0x0000000005BB8000-memory.dmp

          memory/4688-0-0x0000000074742000-0x0000000074743000-memory.dmp

          memory/4688-9-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/4688-8-0x0000000006760000-0x0000000006D1A000-memory.dmp

          memory/4688-11-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/4688-1-0x00000000039E0000-0x00000000039E8000-memory.dmp

          memory/4688-2-0x0000000005E90000-0x0000000005E9C000-memory.dmp

          memory/4688-5-0x0000000005FB0000-0x0000000005FD8000-memory.dmp

          memory/4688-4-0x0000000005F00000-0x0000000005F94000-memory.dmp

          memory/4688-6-0x0000000005FE0000-0x0000000006190000-memory.dmp

          memory/4688-7-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/4688-13-0x0000000074730000-0x0000000074EEC000-memory.dmp

          memory/4688-3-0x0000000074730000-0x0000000074EEC000-memory.dmp