Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 20:09

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260708-yxb96ag16w
  • SHA256 9fa80f28f6c8be31d6dbfb96b094be896e87dbdb7ecbbe5d35c361d4480d0ec4
  • 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 3 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.

  • 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:1056
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\09c616aaea375257\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:4224
  • 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:2768
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 00C7E8905AB2940C7FB32EF8BB3D8599 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4636
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI63E0.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739781 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1912
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6856.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240740468 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:980
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6267.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240804640 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2064
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5420
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C5379884AE102C12D5C2615BEE09E266
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4836
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F24D45C9A182E3861B173E3879E474B9 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4980
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4168
    • C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-iu0aq6-relay.screenconnect.com&p=443&s=4f14c74e-29c9-4110-9752-9b51e96fee23&k=BgIAAACkAABSU0ExAAgAAAEAAQD9kOkCRWMeSy4J6KLXh94o5OW0eEdIW98bNtBtcykhimy5AVjh7UIpCi5PZSP7fwZXMoQLLkWLB1jZu82ANTqGkY3LuYDWH0AtH9PODDPJ9LIdjaaF1VCepc4NUKb%2bEoDlxXngaSStqXXMtxi6xB%2b7eFpRP0gNLcBW66M0gQwV67RUNRDNj3ouhBU4tzp6z84n%2fgM88oFqJNqaUWXNTL54wg3M5GikdEvclpqIxVdKDFyJT9NNk67syjpROTY9mfonWHyBZ28lRRIo1x7%2f7K09%2bkAAp0NChYNSTZ4l3Pp6jpTi9D6OKfKNPrtlz1qFEksL%2bcz15hO%2bwa4tvjdMLC%2f0"
      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:2584
      • C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.WindowsClient.exe" "RunRole" "bd0a0b29-e8a4-43ce-a36b-e5fd864e90a8" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4448
      • C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.WindowsClient.exe" "RunRole" "2efa50fc-eb88-49bb-80a1-797f93418ad5" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1912

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5aa7ac.rbs

          • Path C:\Config.Msi\e5aa7ac.rbs
          • Size 214KB
          • SHA256 37e2acf044049ac118d570e407df097855dd2f5fd03b4ae024e613cec83df5bf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (09c616aaea375257)\system.config
          • Size 960B
          • SHA256 71e81903bb6671b0f6785d57290e7d73ed614a20d317dd8da103796f8a70ee78
          • MD5 SHA1 SHA512 TLSH

          MSI63E0.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI63E0.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI63E0.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI63E0.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI63E0.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI63E0.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6856.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6856.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\09c616aaea375257\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 f1041b81ddd6661f41cb8aacc14fab92bf32e2860118484a8b4663053947790e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIAE05.tmp

          • Path C:\Windows\Installer\MSIAE05.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          5sex30gu.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09c616aaea375257)\5sex30gu.newcfg
          • Size 683B
          • SHA256 c89c24b79948527a662177364d0fa74ba1d2d0f47b0ba1b7c3cffecc414eef7f
          • MD5 SHA1 SHA512 TLSH

          cvya5va1.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09c616aaea375257)\cvya5va1.newcfg
          • Size 882B
          • SHA256 a6cb11d00b4478be58d9955b2bea1d8ea199007bd1baec7528c3ab46917b5f6a
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09c616aaea375257)\user.config
          • Size 520B
          • SHA256 56aa43f19b0527bca4348dde65b32f625ddde04e1104cf555f7ef89ad4953c8b
          • MD5 SHA1 SHA512 TLSH

          memory/980-77-0x0000000005A40000-0x0000000005A68000-memory.dmp

          memory/1056-4-0x0000000005E20000-0x0000000005E48000-memory.dmp

          memory/1056-5-0x0000000005F20000-0x00000000060D0000-memory.dmp

          memory/1056-1-0x0000000001EE0000-0x0000000001EE8000-memory.dmp

          memory/1056-2-0x0000000003810000-0x000000000381C000-memory.dmp

          memory/1056-3-0x0000000005D80000-0x0000000005E14000-memory.dmp

          memory/1056-11-0x0000000074F00000-0x00000000756BC000-memory.dmp

          memory/1056-0-0x0000000074F12000-0x0000000074F13000-memory.dmp

          memory/1056-10-0x0000000074F00000-0x00000000756BC000-memory.dmp

          memory/1056-8-0x0000000074F00000-0x00000000756BC000-memory.dmp

          memory/1056-13-0x0000000074F00000-0x00000000756BC000-memory.dmp

          memory/1056-6-0x0000000074F00000-0x00000000756BC000-memory.dmp

          memory/1056-7-0x0000000006690000-0x0000000006C4A000-memory.dmp

          memory/1912-43-0x0000000005C00000-0x0000000005C94000-memory.dmp

          memory/1912-39-0x0000000003AF0000-0x0000000003AFC000-memory.dmp

          memory/1912-47-0x0000000005E70000-0x0000000006020000-memory.dmp

          memory/1912-35-0x0000000003B10000-0x0000000003B3E000-memory.dmp

          memory/2584-161-0x0000000004560000-0x00000000045F4000-memory.dmp

          memory/2584-155-0x0000000004450000-0x000000000446A000-memory.dmp

          memory/2584-198-0x0000000004A00000-0x0000000004A92000-memory.dmp

          memory/2584-165-0x00000000047B0000-0x0000000004960000-memory.dmp

          memory/2584-200-0x00000000046A0000-0x00000000046E1000-memory.dmp

          memory/2584-178-0x0000000004650000-0x00000000046A0000-memory.dmp

          memory/2584-197-0x0000000004710000-0x000000000477C000-memory.dmp

          memory/2584-202-0x0000000004BF0000-0x0000000004CC6000-memory.dmp

          memory/4448-221-0x000000001B7B0000-0x000000001B81C000-memory.dmp

          memory/4448-222-0x000000001BC30000-0x000000001BCC4000-memory.dmp

          memory/4448-223-0x000000001BE80000-0x000000001C030000-memory.dmp

          memory/4448-220-0x0000000000B20000-0x0000000000BCC000-memory.dmp

          memory/4448-224-0x00000000015E0000-0x00000000015FA000-memory.dmp

          memory/4448-226-0x000000001C1C0000-0x000000001C348000-memory.dmp

          memory/4448-227-0x0000000002D70000-0x0000000002DB1000-memory.dmp