Resubmissions

24/09/2026, 13:10

260924-qetgqaec828

24/09/2026, 12:20

260924-ph79lsvsdt8

Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 12:20

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample260924-ph79lsvsdt
  • SHA256 123d7b93c71770ba16d21a8ef07cf43957cb0530ffaf566995240a3f7fc4734c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 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:1040
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\65170cd9604e89cd\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:3144
  • 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:4612
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6FE4B146C71744FBF1469608CBC5D1F4 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5404
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDD47.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240770671 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4908
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE1EB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240771593 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3976
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE807.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240773312 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3732
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2764
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 38BF5BAD92A44E32D06713D16CF8EB78
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:6128
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding B7AB538D6EE9149A781575E025A88E31 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5932
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3268
    • C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-xn5yjv-relay.screenconnect.com&p=443&s=9824109f-8d3f-4452-9546-14d47fe5a62c&k=BgIAAACkAABSU0ExAAgAAAEAAQCJPay5UJ9b%2fZycHh%2fFWmgyQ9zCevvXNnOznJxkTNui4ONXl21uii2CPmvw%2fy%2fQ9cnz%2fuwWGQwQLEqDDraOU0uwAqucehbp7oV5KCytT4XALIZLcqy5qmBzQ1gCYnnQUsZvYuRs6NSVFdt51TuqK327yFZtqVH7V5NVpYlWdc40CzhwuDiMWNkjzQ%2bMWDrPRYqt%2b2UQsBF1abNQRPhHd5%2b35dxc3qFISgX4Kd1yRBI2O0N2E4280uqqJjCXDQ9kqLvn%2b3Ic7sJ3Qy1G0CQrop5sOeysvFXbvqKZsh3YkdTbm2GeeouKfWEMQTDlencABfHnNkuGNyY1VTnVn1oXgMWf&c=abk&c=&c=&c=&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:5252
      • C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.WindowsClient.exe" "RunRole" "147f4a08-fcf5-4927-a300-688dfca3282a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4760
      • C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.WindowsClient.exe" "RunRole" "325f340d-f672-46aa-b0b4-c32a2807eb08" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3380

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a2de8.rbs

          • Path C:\Config.Msi\e5a2de8.rbs
          • Size 214KB
          • SHA256 44323881f3c932ace96551d863c4a9c805548ab8ff3a3092355170b4dd64347e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.WindowsClient.exe
          • Size 1.6MB
          • SHA256 b7a495f517b9bf23f529552b145121f922ab4915e24b663ae68b3007daea3804
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (65170cd9604e89cd)\system.config
          • Size 962B
          • SHA256 d72b202bf96cf72c5a553c51ff03a4f8be1631dba9a4769d1d3044e6ec289f67
          • MD5 SHA1 SHA512 TLSH

          MSIDD47.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDD47.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDD47.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDD47.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDD47.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDD47.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE1EB.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE1EB.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\65170cd9604e89cd\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 b7ece194ad1d9e1d8925f1feaaa51389595b11400ed6c393352db9b3f380fb2b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI3897.tmp

          • Path C:\Windows\Installer\MSI3897.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          jgmdknkp.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (65170cd9604e89cd)\jgmdknkp.newcfg
          • Size 683B
          • SHA256 14b2c2224b62ec165be94981035f6a35b1aa379786cbc04ac14c43d35777a3d1
          • MD5 SHA1 SHA512 TLSH

          ovuvnx1m.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (65170cd9604e89cd)\ovuvnx1m.newcfg
          • Size 883B
          • SHA256 33c6acdf971e593ff83aa5f75f1fd12248974fecccba5d08c13385b5f7001b72
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (65170cd9604e89cd)\user.config
          • Size 520B
          • SHA256 615a2274ce8feedecdddcfad2c5064b82b30df89cf7718f509be89525811177b
          • MD5 SHA1 SHA512 TLSH

          memory/1040-8-0x0000000007580000-0x0000000007B3A000-memory.dmp

          memory/1040-0-0x0000000075062000-0x0000000075063000-memory.dmp

          memory/1040-11-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/1040-1-0x00000000044B0000-0x00000000044B8000-memory.dmp

          memory/1040-9-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/1040-2-0x00000000046D0000-0x00000000046DC000-memory.dmp

          memory/1040-7-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/1040-3-0x0000000006C10000-0x0000000006D6A000-memory.dmp

          memory/1040-4-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/1040-13-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/1040-5-0x0000000006D70000-0x0000000006DD8000-memory.dmp

          memory/1040-6-0x0000000006DE0000-0x0000000006FC0000-memory.dmp

          memory/3380-226-0x0000000002690000-0x00000000026D1000-memory.dmp

          memory/3976-75-0x0000000005CC0000-0x0000000005D28000-memory.dmp

          memory/4760-218-0x000000001B3D0000-0x000000001B46E000-memory.dmp

          memory/4760-217-0x0000000000560000-0x00000000006F6000-memory.dmp

          memory/4760-224-0x0000000000F60000-0x0000000000FA1000-memory.dmp

          memory/4760-223-0x0000000002B30000-0x0000000002B60000-memory.dmp

          memory/4760-222-0x000000001BDF0000-0x000000001BF78000-memory.dmp

          memory/4760-221-0x000000001BC10000-0x000000001BDF0000-memory.dmp

          memory/4760-219-0x000000001B8D0000-0x000000001BA2A000-memory.dmp

          memory/4908-37-0x0000000002C60000-0x0000000002C6C000-memory.dmp

          memory/4908-33-0x0000000002CC0000-0x0000000002CEE000-memory.dmp

          memory/4908-45-0x0000000005DB0000-0x0000000005F90000-memory.dmp

          memory/4908-41-0x0000000005C50000-0x0000000005DAA000-memory.dmp

          memory/5252-158-0x0000000004400000-0x000000000455A000-memory.dmp

          memory/5252-162-0x0000000004740000-0x0000000004920000-memory.dmp

          memory/5252-152-0x0000000001C20000-0x0000000001C50000-memory.dmp

          memory/5252-195-0x0000000004A60000-0x0000000004AF2000-memory.dmp

          memory/5252-197-0x0000000004700000-0x0000000004741000-memory.dmp

          memory/5252-199-0x0000000004C50000-0x0000000004D26000-memory.dmp

          memory/5252-194-0x00000000049C0000-0x0000000004A5E000-memory.dmp

          memory/5252-174-0x00000000046B0000-0x0000000004700000-memory.dmp