Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/06/2026, 18:16

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260625-wwtrpsd181
  • SHA256 ee91f8fdd45ee1cf4e5f012f0a9226f59a659623cea22ab91d879be8f7a5619a
  • 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 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:5956
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\181adaa3eca82c6d\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:3532
  • 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:3044
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C1E522AD62EB5C051807220F8B7263DF C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3924
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7F87.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240746625 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5960
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI860F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240748093 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5784
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8DA2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240750218 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5788
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5812
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 49AE457AE9EA8939A42D017D80374514
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2924
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6F2542F3F5E4F46E24293CCE9AB6C3D5 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:6060
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4420
    • C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-sjkgl7-relay.screenconnect.com&p=443&s=ae51c700-cee1-4459-b9d7-4333df805c87&k=BgIAAACkAABSU0ExAAgAAAEAAQB5yiuSbKAdRgKD19LLHRzZS3oX3%2ffZ3HPp28QZ%2bEjSco8HBnIcI6zMfJ%2bibW1fFVQV1ugiGrhItR3X3gJ%2b32ZBYGxUWGze%2foNIR9LoEwKSlz9SjYB3L6zrVA0y2GTPKZ8w%2f9wHpd9UT65WHa%2f%2fitWH4kZ4Tl6UafxV9Q8EY8SPKdvwv3KXC6sjXME4JGV0lisgMcIqLsu413jfFjdPWGw5%2bDgOV4%2bZdaZkf0yiOA9cpWXK5mgnfE4kWxv1ubZqtC3NndLgrVsrZKVu1TYhvjoncDjCGgnhgfh89hx3hdINAnFyRjifIGCuM%2fwb9HPx1iCzPy9p3DIFDk3PFqax1CWa"
      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:5208
      • C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe" "RunRole" "094d9e97-9766-4e14-a7c6-6d9f411bbe7a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2040
      • C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe" "RunRole" "8527d171-2241-439b-b56e-bd9258335ee5" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5016

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59f719.rbs

          • Path C:\Config.Msi\e59f719.rbs
          • Size 214KB
          • SHA256 2e67c3d24cfab4c5153b1dcf8f79223591ca09a1a688b33133932db500a289ae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\system.config
          • Size 966B
          • SHA256 91ad987d94dab1596cd7e58a2378545a9eec852f452d8bc24a5802b8b4fa2630
          • MD5 SHA1 SHA512 TLSH

          57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
          • Size 342B
          • SHA256 de4475218dedd2bbdf3a90b05deebe89fa94efb0bcf638519a0a5a722054f85e
          • MD5 SHA1 SHA512 TLSH

          MSI7F87.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7F87.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7F87.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7F87.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7F87.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7F87.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI860F.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI860F.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\181adaa3eca82c6d\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 10ddce976ef86c0bab6ab219cc501e33014ef164d5817faee5e3c9a2850ae7d9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI351C.tmp

          • Path C:\Windows\Installer\MSI351C.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          db1mhbs0.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (181adaa3eca82c6d)\db1mhbs0.newcfg
          • Size 881B
          • SHA256 3635f2f8a5927a74462e958d592a1c446ddfd9461dbd7de7b30437c072e77bfb
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (181adaa3eca82c6d)\user.config
          • Size 520B
          • SHA256 66e4055dc5e5b1a808c84d90a8b49e9fee90159181acfddf71dba95dbffaca34
          • MD5 SHA1 SHA512 TLSH

          xshyiv3z.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (181adaa3eca82c6d)\xshyiv3z.newcfg
          • Size 683B
          • SHA256 158a48f0c30ffea74c6845b4d7644905c06673e21542ab8355bfc254c35b66a6
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 7dfe9999482535a7d0c711e63513e13b3bbbd4d0481d79eb19b288216cc32b97
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {1f1ebda2-aee5-4694-8db8-4d4daa6d4e31}_OnDiskSnapshotProp

          • Path \??\Volume{d164085c-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{1f1ebda2-aee5-4694-8db8-4d4daa6d4e31}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 5bb79171ea956603643e2cdf8c97a0dfa794987fe4999163533a87b318e84c49
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2040-223-0x0000000000920000-0x00000000009CC000-memory.dmp

          memory/2040-226-0x000000001BA50000-0x000000001BAE4000-memory.dmp

          memory/2040-229-0x000000001BFE0000-0x000000001C168000-memory.dmp

          memory/2040-228-0x0000000001250000-0x000000000126A000-memory.dmp

          memory/2040-225-0x00000000012C0000-0x000000000132C000-memory.dmp

          memory/2040-227-0x000000001BCA0000-0x000000001BE50000-memory.dmp

          memory/2040-230-0x0000000001270000-0x00000000012B1000-memory.dmp

          memory/3044-201-0x000001F56C060000-0x000001F56CA04000-memory.dmp

          memory/5016-231-0x0000000002B00000-0x0000000002B41000-memory.dmp

          memory/5208-164-0x0000000003960000-0x00000000039F4000-memory.dmp

          memory/5208-168-0x0000000003BB0000-0x0000000003D60000-memory.dmp

          memory/5208-158-0x0000000001370000-0x000000000138A000-memory.dmp

          memory/5208-181-0x0000000003D60000-0x0000000003DB0000-memory.dmp

          memory/5208-202-0x0000000003EC0000-0x0000000003F52000-memory.dmp

          memory/5208-200-0x0000000003DB0000-0x0000000003E1C000-memory.dmp

          memory/5208-206-0x00000000040B0000-0x0000000004186000-memory.dmp

          memory/5208-204-0x0000000003B60000-0x0000000003BA1000-memory.dmp

          memory/5784-75-0x00000000053F0000-0x0000000005418000-memory.dmp

          memory/5956-8-0x0000000074840000-0x0000000074FFC000-memory.dmp

          memory/5956-1-0x00000000019C0000-0x00000000019C8000-memory.dmp

          memory/5956-5-0x0000000074840000-0x0000000074FFC000-memory.dmp

          memory/5956-6-0x0000000005A00000-0x0000000005A28000-memory.dmp

          memory/5956-3-0x0000000074840000-0x0000000074FFC000-memory.dmp

          memory/5956-2-0x00000000019F0000-0x00000000019FC000-memory.dmp

          memory/5956-0-0x0000000074852000-0x0000000074853000-memory.dmp

          memory/5956-4-0x0000000005970000-0x0000000005A04000-memory.dmp

          memory/5956-13-0x0000000074840000-0x0000000074FFC000-memory.dmp

          memory/5956-7-0x0000000005AF0000-0x0000000005CA0000-memory.dmp

          memory/5956-9-0x0000000006260000-0x000000000681A000-memory.dmp

          memory/5956-11-0x0000000074840000-0x0000000074FFC000-memory.dmp

          memory/5960-41-0x0000000005680000-0x0000000005714000-memory.dmp

          memory/5960-37-0x0000000003540000-0x000000000354C000-memory.dmp

          memory/5960-45-0x00000000058D0000-0x0000000005A80000-memory.dmp

          memory/5960-33-0x00000000034F0000-0x000000000351E000-memory.dmp