Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 12:28

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260817-pnbslabd74
  • SHA256 f0929957969291295f689d9baad0932271b38d9776e8cb91f53b04dcc0cb5701
  • 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:2636
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\0bca46083bea0ab9\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:4092
  • 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:3768
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 67D87AC122CDA5B1DE89352B2440DA50 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5838.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240736500 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2060
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5D0B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240737656 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4976
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6365.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739328 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2424
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5892
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A0CB51DDD918B701F487E1E52BCACF5C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2420
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding B892002576684E0DACF3192D15FBF00E E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5248
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1924
    • C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-ig40vn-relay.screenconnect.com&p=443&s=92ca0d68-8337-442a-a902-4e1a5e2f70c4&k=BgIAAACkAABSU0ExAAgAAAEAAQCpYY%2b%2fkL%2fMi08mRf4V3VvB%2fYpkpY%2f7clZ4iyuE1fFEq7Xbi0p2P2fMzCY6GxYpNEMmpSZXey3sTAOwKvwFRwhCUtxGdWirPt3oUpRIGjZq617oaL7mvW1BBz6sHt5FwzNRk4VZGbt72HClYGltSl2n0o1vKwqXBVc%2fOnabQ9pLuHaeN%2f%2fYVg38APBbgzkj2Ii3oxqpWOxIV3gWRo4l0vQrqfslDizNhMjDXIoM6d9iEBTFTN1G7Dv%2finRhbb3EY%2fgAC%2f%2bvPQfBpBaFKcLGqXnlh0Y%2f%2fp1mF0SzWg9iYA%2fAkZ6kWgymgOQ10uY3jHi3z7QljHOggBi8JAZbvDa56ni5&c=mega&c=p9&c=clip&c=tim&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:960
      • C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe" "RunRole" "38e81795-45ea-4dd8-b4a8-fdb7a4104bec" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2984
      • C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe" "RunRole" "7061d6f6-5c70-4b85-a828-11f19e1067ba" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:668

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59be85.rbs

          • Path C:\Config.Msi\e59be85.rbs
          • Size 214KB
          • SHA256 04763d7c51d3b4a8db18227a7774604d6a4aa9fec7ed0090b4d7d2f980e5dfca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\system.config
          • Size 974B
          • SHA256 e663132030d5b00e8cbe6fde4d6a012fb7f26910069432e6d4da237d3473b4b3
          • MD5 SHA1 SHA512 TLSH

          MSI5838.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5838.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5838.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5838.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5838.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5838.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5D0B.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5D0B.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\0bca46083bea0ab9\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 4e465b93bb7c830dfe6e90641c7e8fffff41cbd9ed23eb0609606dcdee9b78a7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIC5C8.tmp

          • Path C:\Windows\Installer\MSIC5C8.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          r5spbxru.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0bca46083bea0ab9)\r5spbxru.newcfg
          • Size 883B
          • SHA256 7daf897d52d9d56767406cb7fa92026fd04040591e4fcefdfaf7b2ff7a9ceab2
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0bca46083bea0ab9)\user.config
          • Size 683B
          • SHA256 76d3d856b53a465f35d17e0090007bfd15a11641e076a2fc2d95497b40f129b2
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0bca46083bea0ab9)\user.config
          • Size 520B
          • SHA256 6533c02a3875d2e82a5fad72e521c7376a47e259c0f48643fb5e0431863c4a33
          • MD5 SHA1 SHA512 TLSH

          memory/960-162-0x00000000044C0000-0x0000000004670000-memory.dmp

          memory/960-197-0x0000000004900000-0x00000000049D6000-memory.dmp

          memory/960-152-0x0000000001CC0000-0x0000000001CDA000-memory.dmp

          memory/960-195-0x0000000004360000-0x00000000043A1000-memory.dmp

          memory/960-158-0x0000000004270000-0x0000000004304000-memory.dmp

          memory/960-193-0x0000000004710000-0x00000000047A2000-memory.dmp

          memory/960-192-0x00000000043D0000-0x000000000443C000-memory.dmp

          memory/960-175-0x0000000004310000-0x0000000004360000-memory.dmp

          memory/2060-37-0x0000000003130000-0x000000000313C000-memory.dmp

          memory/2060-45-0x0000000005510000-0x00000000056C0000-memory.dmp

          memory/2060-33-0x0000000005170000-0x000000000519E000-memory.dmp

          memory/2060-41-0x00000000052C0000-0x0000000005354000-memory.dmp

          memory/2636-8-0x00000000748A0000-0x000000007505C000-memory.dmp

          memory/2636-3-0x0000000005690000-0x0000000005724000-memory.dmp

          memory/2636-13-0x00000000748A0000-0x000000007505C000-memory.dmp

          memory/2636-7-0x0000000005EE0000-0x000000000649A000-memory.dmp

          memory/2636-5-0x0000000005730000-0x0000000005758000-memory.dmp

          memory/2636-0-0x00000000748B2000-0x00000000748B3000-memory.dmp

          memory/2636-9-0x00000000748A0000-0x000000007505C000-memory.dmp

          memory/2636-11-0x00000000748A0000-0x000000007505C000-memory.dmp

          memory/2636-4-0x00000000748A0000-0x000000007505C000-memory.dmp

          memory/2636-6-0x0000000005760000-0x0000000005910000-memory.dmp

          memory/2636-2-0x0000000001860000-0x000000000186C000-memory.dmp

          memory/2636-1-0x00000000017F0000-0x00000000017F8000-memory.dmp

          memory/2984-215-0x0000000000640000-0x00000000006EE000-memory.dmp

          memory/2984-217-0x0000000002860000-0x00000000028CC000-memory.dmp

          memory/2984-218-0x000000001B6F0000-0x000000001B784000-memory.dmp

          memory/2984-219-0x000000001B940000-0x000000001BAF0000-memory.dmp

          memory/2984-220-0x0000000002810000-0x000000000282A000-memory.dmp

          memory/2984-221-0x000000001BC80000-0x000000001BE08000-memory.dmp

          memory/2984-222-0x00000000028D0000-0x0000000002911000-memory.dmp

          memory/4976-75-0x00000000057E0000-0x0000000005808000-memory.dmp