Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/08/2026, 12:21

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260828-pjadzaxeld
  • SHA256 5d5fd7d7e6b13ea27e7212a34275b9394aace8bf4e6a38364f5271a367b65745
  • 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.

  • 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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • 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
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2624
  • 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:5264
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 225339D752A3801973A86B803D04FA41 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5804
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9BF8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240753906 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2756
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA0DB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240754937 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3380
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA938.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240757093 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1188
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4512
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 32ECFD3ABF26C84442211DFA706F2129
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4088
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4A757F16FC39247B483CC64CF86AE6B7 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3248
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5964
    • C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-jkmy42-relay.screenconnect.com&p=443&s=b3f4451a-7e99-4317-8c2c-9f7889a5247c&k=BgIAAACkAABSU0ExAAgAAAEAAQB9dRNp2nrkP04kMV2AYl8SUTJK%2bi1AlEzf%2boGtGkm0dEWg6ectJDwNY%2bP3VMbjNOQGZrgOrkzZC61AnxJvX4tSrM%2fAaUcZdXTE%2bG9gL%2bGQ3HsEWJAuDcdizqdksfSt179lpmbdklMIgYIeCWEuSVzc0ppyNVTXu%2fSxkJ0VefoGNG9WWR7YcicfzsMuVVpULWTbg98ReuxVM669uds8EtwjiyWGX7adZsEeW9BdrmSIoIuhUGLQMKnmRinqQnA2FlOVRCxc6gv8jBxiemQLQVXsnAMbn5nTUMKtmwZcyy1SoL4PtO59z3AzQ63HDABCkLdY6BwVu7FlnrRNZX91rrKx"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.WindowsClient.exe" "RunRole" "e9a6656b-66c2-49b8-a975-b0bd4bb774f2" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4116
      • C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.WindowsClient.exe" "RunRole" "38da8ee8-f2aa-4efe-98d0-f55349e98b32" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2216

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59ebaf.rbs

          • Path C:\Config.Msi\e59ebaf.rbs
          • Size 214KB
          • SHA256 d3ee272d12af230b68d14cfa3c5bdd8b20f457dd76c4fb7be1244f9d366fcdff
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (801dcfb7db58a19e)\system.config
          • Size 958B
          • SHA256 6c8d042b5f537d05222bfbe827527e358b43689ebd27fc50265ab41a6155d29b
          • MD5 SHA1 SHA512 TLSH

          MSI9BF8.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9BF8.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9BF8.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9BF8.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9BF8.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9BF8.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA0DB.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA0DB.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIF19B.tmp

          • Path C:\Windows\Installer\MSIF19B.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59ebae.msi

          • Path C:\Windows\Installer\e59ebae.msi
          • Size 9.8MB
          • SHA256 5d5fd7d7e6b13ea27e7212a34275b9394aace8bf4e6a38364f5271a367b65745
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pocdihcp.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (801dcfb7db58a19e)\pocdihcp.newcfg
          • Size 883B
          • SHA256 89bb1e8c51713d1db6a87a174771044944c8419d277007651430e33dcd4d8a88
          • MD5 SHA1 SHA512 TLSH

          t12ioksj.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (801dcfb7db58a19e)\t12ioksj.newcfg
          • Size 883B
          • SHA256 13990bffa1b597c27a1dca9b3060526fee15e9143ba0f4646d49381514524d86
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (801dcfb7db58a19e)\user.config
          • Size 520B
          • SHA256 d2beced8742eca989bf08d3d21b104a1d7cdf20d85c64f8a2e5531853a1b432d
          • MD5 SHA1 SHA512 TLSH

          x4qdj4uy.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (801dcfb7db58a19e)\x4qdj4uy.newcfg
          • Size 683B
          • SHA256 8a6503cac83b1efe3fcdb7707d90121baf05cba99c8f13e9d5f42e7f04698012
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 367463aec37f1540427907d90e84cf93241d8bc9c39b8601d4cef655819c8187
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {3b7cc3ef-a44f-4d3c-85fb-496320045d0f}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{3b7cc3ef-a44f-4d3c-85fb-496320045d0f}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 91d09dfd2780c24aad3860ea35849bdd4901ab52053c2a9531ebf0d63529dbd2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2216-228-0x0000000002A60000-0x0000000002AA1000-memory.dmp

          memory/2756-27-0x0000000005300000-0x0000000005394000-memory.dmp

          memory/2756-19-0x0000000003160000-0x000000000318E000-memory.dmp

          memory/2756-23-0x0000000003190000-0x000000000319C000-memory.dmp

          memory/2756-32-0x0000000005CC0000-0x000000000627A000-memory.dmp

          memory/2756-31-0x0000000005550000-0x0000000005700000-memory.dmp

          memory/3380-62-0x0000000005E60000-0x0000000005E88000-memory.dmp

          memory/3564-181-0x0000000004090000-0x00000000040FC000-memory.dmp

          memory/3564-149-0x0000000003E70000-0x0000000004020000-memory.dmp

          memory/3564-186-0x0000000004390000-0x0000000004466000-memory.dmp

          memory/3564-182-0x00000000041A0000-0x0000000004232000-memory.dmp

          memory/3564-145-0x0000000003C20000-0x0000000003CB4000-memory.dmp

          memory/3564-162-0x0000000003DC0000-0x0000000003E10000-memory.dmp

          memory/3564-139-0x0000000001350000-0x000000000136A000-memory.dmp

          memory/3564-184-0x0000000003E10000-0x0000000003E51000-memory.dmp

          memory/4116-208-0x000000001BA60000-0x000000001BC10000-memory.dmp

          memory/4116-210-0x000000001BC10000-0x000000001BD98000-memory.dmp

          memory/4116-211-0x0000000001300000-0x0000000001341000-memory.dmp

          memory/4116-209-0x00000000012E0000-0x00000000012FA000-memory.dmp

          memory/4116-207-0x000000001B710000-0x000000001B7A4000-memory.dmp

          memory/4116-206-0x000000001B2C0000-0x000000001B32C000-memory.dmp

          memory/4116-205-0x00000000005F0000-0x000000000069E000-memory.dmp