Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 12:17

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260620-pf69jaey3p
  • SHA256 3f05167905447f8fc7c70ca73b59a179f0d24c885f7c0c7ec6c7a46c84fff962
  • 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 12 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 14 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 7 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:3340
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\ce3294d2673c22db\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:976
  • 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:5448
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 133A5C3D2CB701770C1B8C3AA56A2BED C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3AF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240714843 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4440
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6AE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240715546 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5348
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC0E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240716984 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2644
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4124
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3AF3E3ED9A695DD1CA7FB429FABCB4C4
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4336
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6F311871C17EDE4E73E05B8577C50238 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5596
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2832
    • C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-raovcc-relay.screenconnect.com&p=443&s=4b46cd52-2c6f-417f-a16b-33e5f7b99e5b&k=BgIAAACkAABSU0ExAAgAAAEAAQAtyJXhR34tq%2f9j0a1%2bcY6cwE5DfV6dDw1X1Gm7SRzst43hGJ1tCLfwjfXTMI7Xj5nwioSi8j3VOe1mmyA7zltWA%2b6GuwHiJpZpRfVa9xLlFJajGMeXoHrxvK77%2fP1fmF5KrmmpcaRn1Pzl8cWC%2f9Sl5ZkeCPbjnh2deZrJKUoLkdXI1C5WmQH9Se6rb2ieT8SFQSrzcOUVo6dN%2fwJgnjCtr0Rvm49xF5U%2f3xWtE%2fgnXlPZao3PjeBao2G6%2bStZRciJcgqxWcv%2fxUq8%2bKeaY0WjHSvfKV2J%2fAzI4pgd%2ffLIN1JaYXgTECzJ1rKrH2y0v5hSbokm%2f2ovwSuQgjssTxL6"
      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:2432
      • C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.WindowsClient.exe" "RunRole" "ec4885b5-351a-489b-b611-d5540536a91f" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5984
      • C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.WindowsClient.exe" "RunRole" "917db58f-55c0-4f07-bea3-b69dbb232618" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1688

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5952f9.rbs

          • Path C:\Config.Msi\e5952f9.rbs
          • Size 214KB
          • SHA256 353a0dcc31792aff64126b61d178b87dab40f8e37fdfa2b237b9cdb19be17717
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3294d2673c22db)\system.config
          • Size 972B
          • SHA256 6cae8211a2731b840597e1671624c5b28136a957e2de83a1b0441c992dff3ed8
          • MD5 SHA1 SHA512 TLSH

          MSI3AF.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3AF.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3AF.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3AF.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3AF.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3AF.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6AE.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6AE.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\ce3294d2673c22db\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 a7338de193d63150bad0f571cfed4cc1466f0abf08a0610e606b193b4895c416
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI5962.tmp

          • Path C:\Windows\Installer\MSI5962.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dwtcvs2a.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ce3294d2673c22db)\dwtcvs2a.newcfg
          • Size 882B
          • SHA256 66c673943964787af59a54f08749490b201887764916e3cff53979beec17c135
          • MD5 SHA1 SHA512 TLSH

          jyld3wbn.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ce3294d2673c22db)\jyld3wbn.newcfg
          • Size 882B
          • SHA256 68339ed127d1cb80f10f9765bfb520eb5c9fa7b2c55a1903fba767a2716c2800
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ce3294d2673c22db)\user.config
          • Size 683B
          • SHA256 72e09b2a17a3c01af1213acebc4853f80d04caf1f6847ae47a8be2a934e5b51e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ce3294d2673c22db)\user.config
          • Size 520B
          • SHA256 f3d4c135e05ec217f3ff519277459a5e651388e364a4cb0892f162c7971774a5
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 84ea48c1deeba7ff2033873c375de98ce6e2eedc04779a5bfb41e519ca70177d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {5fd959b0-fb67-4841-8feb-900242083947}_OnDiskSnapshotProp

          • Path \??\Volume{833668ed-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{5fd959b0-fb67-4841-8feb-900242083947}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 64df131b76dcfd2a3d728300cf618cd6c0eb7a5926b0caaac3ddf6774ff0f972
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2432-195-0x00000000048F0000-0x0000000004982000-memory.dmp

          memory/2432-154-0x00000000043B0000-0x00000000043CA000-memory.dmp

          memory/2432-194-0x0000000004880000-0x00000000048EC000-memory.dmp

          memory/2432-160-0x0000000004480000-0x0000000004514000-memory.dmp

          memory/2432-164-0x00000000046D0000-0x0000000004880000-memory.dmp

          memory/2432-199-0x0000000004AE0000-0x0000000004BB6000-memory.dmp

          memory/2432-197-0x0000000004620000-0x0000000004661000-memory.dmp

          memory/2432-177-0x00000000045D0000-0x0000000004620000-memory.dmp

          memory/3340-6-0x0000000005DB0000-0x0000000005F60000-memory.dmp

          memory/3340-3-0x0000000005C50000-0x0000000005CE4000-memory.dmp

          memory/3340-5-0x0000000074A80000-0x000000007523C000-memory.dmp

          memory/3340-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

          memory/3340-8-0x0000000006520000-0x0000000006ADA000-memory.dmp

          memory/3340-10-0x0000000074A80000-0x000000007523C000-memory.dmp

          memory/3340-13-0x0000000074A80000-0x000000007523C000-memory.dmp

          memory/3340-4-0x0000000003770000-0x0000000003798000-memory.dmp

          memory/3340-7-0x0000000074A80000-0x000000007523C000-memory.dmp

          memory/3340-2-0x00000000035F0000-0x00000000035FC000-memory.dmp

          memory/3340-1-0x0000000001F10000-0x0000000001F18000-memory.dmp

          memory/3340-11-0x0000000074A80000-0x000000007523C000-memory.dmp

          memory/4440-35-0x0000000005F20000-0x0000000005F4E000-memory.dmp

          memory/4440-39-0x0000000005F50000-0x0000000005F5C000-memory.dmp

          memory/4440-43-0x0000000006000000-0x0000000006094000-memory.dmp

          memory/4440-47-0x0000000006260000-0x0000000006410000-memory.dmp

          memory/5348-77-0x0000000004110000-0x0000000004138000-memory.dmp

          memory/5984-217-0x0000000000070000-0x000000000011C000-memory.dmp

          memory/5984-218-0x000000001AD20000-0x000000001AD8C000-memory.dmp

          memory/5984-220-0x000000001B130000-0x000000001B1C4000-memory.dmp

          memory/5984-221-0x000000001B380000-0x000000001B530000-memory.dmp

          memory/5984-222-0x0000000002260000-0x000000000227A000-memory.dmp

          memory/5984-223-0x000000001B6C0000-0x000000001B848000-memory.dmp

          memory/5984-224-0x0000000002280000-0x00000000022C1000-memory.dmp