Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 12:20

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260623-ph47yscy9s
  • SHA256 f3793d44963310519e6fefac4c7b1537875b6d680715adb795b07ef8e8839188
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 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:5844
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\ca084cfd2684b84c\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:4488
  • 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:708
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 0BE6975A3DDAFA78E608E7084A81801E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI58F4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240736625 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1548
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5C7F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240737484 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4824
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI61CF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240738937 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5828
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3032
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding AA191F272903B8B1C1A5DFA89ACF6BBA
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4264
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E315FEC248EE6A7F27FD8426D1D04347 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4516
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2004
    • C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-qkow0a-relay.screenconnect.com&p=443&s=f9bbacb9-b662-49c7-86a3-77b63fdb9037&k=BgIAAACkAABSU0ExAAgAAAEAAQDhotrfBG9mhYk%2faW1fwaP5NJhRA%2f3mEY5uVlAz8ZVkkFWw3A9vdztJc5AxkpWgWXd6PiMQVKXlE7pn0LPDVzL4bFHo90Uczbz%2fnCgJRH%2b1BwBgcbzBoCSRTGMAWn8rJteOnbzOirJHAyWFop0TeAQShHpOUKvJr343dK%2feRs%2f4ChA3h7M1plw9jaerMMCTkwFmimMqiSclT%2fMqJP9K%2b%2bGgNGTL7bGhlIDY%2bKuo%2bbKQecppa%2byc0xtdvkqYMYMMUytLld8QA1kUAAhbJP%2bNbl58Y9jN8SeCYoUzA9WeLbYRiNqgZVYMGmg6IhcLsrnqaFAwh7dO9WjUIXWTjPdYBU%2b4&c=01&c=01&c=01&c=01&c=&c=&c=&c="
      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:5132
      • C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.WindowsClient.exe" "RunRole" "b4668b2b-4c99-49a5-8649-d2a266c5208b" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4260

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59a2bf.rbs

          • Path C:\Config.Msi\e59a2bf.rbs
          • Size 214KB
          • SHA256 c12e9a83dfa42aaa4b53732be6b2ef03319e9a11f4f7df809ec2272deb93c399
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ca084cfd2684b84c)\system.config
          • Size 972B
          • SHA256 355eea2236c8b55abaf7c6d52aa264018419391fe158b18b3d0d2cb3112b0249
          • MD5 SHA1 SHA512 TLSH

          MSI58F4.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI58F4.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI58F4.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI58F4.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI58F4.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI58F4.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5C7F.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5C7F.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\ca084cfd2684b84c\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 1c2adcd747a3048a6edc68c1b8009c4803a6618daf77971d2d6c46faf4e0268c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIA715.tmp

          • Path C:\Windows\Installer\MSIA715.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          uawawqcu.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ca084cfd2684b84c)\uawawqcu.newcfg
          • Size 883B
          • SHA256 2a6db82422d43c45c08720b1bc027a48174a9cf05fca91a1db58f34d8f73c0d7
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ca084cfd2684b84c)\user.config
          • Size 683B
          • SHA256 fdcc0610e0b623b804a97f98ef8ceb4a2de88175bec7db050a7a2f72fa8a9727
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ca084cfd2684b84c)\user.config
          • Size 520B
          • SHA256 140dc8c97e6549ef38dc05c1893866c1b9e5c2e39153f8e08ccda8cdc8217777
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 2415dedd00db607c60030847564eb0792b9f0a9a3cdbdd26ccdc85daad6fb508
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {f8fec24f-862e-4fe7-9cf5-6341a3bfa703}_OnDiskSnapshotProp

          • Path \??\Volume{833668ed-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{f8fec24f-862e-4fe7-9cf5-6341a3bfa703}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 487130921b910b7a95f4c2a3e25a3d5dfd107f8adbbf12cad4963570ff8900e5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/708-148-0x000001285CF10000-0x000001285D8B4000-memory.dmp

          memory/1548-46-0x0000000006410000-0x00000000065C0000-memory.dmp

          memory/1548-38-0x0000000006110000-0x000000000611C000-memory.dmp

          memory/1548-34-0x00000000060D0000-0x00000000060FE000-memory.dmp

          memory/1548-42-0x00000000061C0000-0x0000000006254000-memory.dmp

          memory/4260-221-0x000000001C160000-0x000000001C310000-memory.dmp

          memory/4260-218-0x0000000000E10000-0x0000000000EBC000-memory.dmp

          memory/4260-219-0x00000000030B0000-0x000000000311C000-memory.dmp

          memory/4260-223-0x000000001C4A0000-0x000000001C628000-memory.dmp

          memory/4260-220-0x000000001BCD0000-0x000000001BD64000-memory.dmp

          memory/4260-222-0x0000000001830000-0x000000000184A000-memory.dmp

          memory/4824-76-0x0000000003A60000-0x0000000003A88000-memory.dmp

          memory/5132-164-0x0000000003DD0000-0x0000000003F80000-memory.dmp

          memory/5132-195-0x0000000004090000-0x0000000004122000-memory.dmp

          memory/5132-194-0x0000000003F80000-0x0000000003FEC000-memory.dmp

          memory/5132-177-0x0000000003D20000-0x0000000003D70000-memory.dmp

          memory/5132-197-0x0000000003B90000-0x0000000003BD1000-memory.dmp

          memory/5132-199-0x0000000004280000-0x0000000004356000-memory.dmp

          memory/5132-154-0x0000000001460000-0x000000000147A000-memory.dmp

          memory/5132-160-0x0000000003AF0000-0x0000000003B84000-memory.dmp

          memory/5844-10-0x00000000747D0000-0x0000000074F8C000-memory.dmp

          memory/5844-2-0x0000000001AF0000-0x0000000001AFC000-memory.dmp

          memory/5844-1-0x0000000001AB0000-0x0000000001AB8000-memory.dmp

          memory/5844-3-0x0000000005AB0000-0x0000000005B44000-memory.dmp

          memory/5844-4-0x00000000747D0000-0x0000000074F8C000-memory.dmp

          memory/5844-0-0x00000000747E2000-0x00000000747E3000-memory.dmp

          memory/5844-5-0x0000000005B40000-0x0000000005B68000-memory.dmp

          memory/5844-6-0x0000000005BA0000-0x0000000005D50000-memory.dmp

          memory/5844-7-0x0000000006310000-0x00000000068CA000-memory.dmp

          memory/5844-9-0x00000000747D0000-0x0000000074F8C000-memory.dmp

          memory/5844-12-0x00000000747D0000-0x0000000074F8C000-memory.dmp