Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/08/2026, 18:24

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260806-w2f3ssgn91
  • SHA256 4e5f7fbca3a2542b7b48a11abac800ec10c25af1ada49969196e579f1afdb909
  • 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:3360
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\09314a7a8626abd7\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:5436
  • 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:3272
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 52360CF257246608821FA6726322E49C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4540
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1812.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240720046 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2168
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1B01.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240720703 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2108
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2090.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240722109 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:108
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2832
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4E549F46A9C14F5EE1819CB84142AEAA
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4296
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 52DC74C3F3F79ECC19288EE631124CE0 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3240
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2692
    • C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-xnnobj-relay.screenconnect.com&p=443&s=04d51f8f-73f4-4a1e-8ac0-433f356cd789&k=BgIAAACkAABSU0ExAAgAAAEAAQBJLHIcM5WIBmKgUH3ipJfqjDFlwaXHAKjIycfhSWIGQsAm94S1IbG%2f40d2JWhcfAAUb5t0QtKFnzAxGPJru%2f%2fCJ%2fbiWImhHiWx6ZYRMQtrAnPer3nrz6M%2fslodpU6JwQlBa0jj3XivOfUxOu2H%2bICgdZiZ51r8pVnujMiUV%2bewe9OgvmOumWOhyqqjUTi2O60o5JBbqV7G%2bI9gmHi8qUN7h2yftw4PQQ%2fTKYMG4nilh2X7Xzf05nbSe0LzrwjCjCRZrhRRl5ARyO0MF7xVZNG9Q4WDwdn7hfv3oawZrum05L%2f6wrTDXwZ%2frTiezIV3UtcAoX8KQsYkLDXa5EnNp7q0"
      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:5240
      • C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.WindowsClient.exe" "RunRole" "e716b06b-d5e2-4117-952d-5f61216a15a1" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1896
      • C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.WindowsClient.exe" "RunRole" "a30b3bd9-fa2e-4726-ae0e-7ef40c3b395a" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3772

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5980ef.rbs

          • Path C:\Config.Msi\e5980ef.rbs
          • Size 214KB
          • SHA256 95a5f92f18d58b7511dfb34c2a0d9801049f93b74f3dca6e65b3dbafdc9bab89
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (09314a7a8626abd7)\system.config
          • Size 966B
          • SHA256 57ccfb2352f2fcb51ac325890858ea23bc3101ca1d100343ade8af23026573c3
          • MD5 SHA1 SHA512 TLSH

          MSI1812.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1812.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1812.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1812.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1812.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1812.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1B01.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1B01.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\09314a7a8626abd7\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 cd450e1bbd33575d49ad5b7dd43890147aa60a3656442503bb80ee321bab214f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI8890.tmp

          • Path C:\Windows\Installer\MSI8890.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          1oppc3nd.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09314a7a8626abd7)\1oppc3nd.newcfg
          • Size 683B
          • SHA256 7c2cadb58e17d11bae12e4b28421e1a52a0996ff7f18952c383fc986c3d43920
          • MD5 SHA1 SHA512 TLSH

          d2hyt4my.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09314a7a8626abd7)\d2hyt4my.newcfg
          • Size 882B
          • SHA256 ad01f119b5ca6688b27e80a9ea62ebddf37cde0e4b3d0fb20165f4c17a41c980
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09314a7a8626abd7)\user.config
          • Size 520B
          • SHA256 dffd602a1c56d55852e287890161aa87f20422918a4d680cae6af8b1ebe8c719
          • MD5 SHA1 SHA512 TLSH

          memory/1896-220-0x000000001B2F0000-0x000000001B384000-memory.dmp

          memory/1896-223-0x000000001B880000-0x000000001BA08000-memory.dmp

          memory/1896-222-0x0000000002400000-0x000000000241A000-memory.dmp

          memory/1896-221-0x000000001B540000-0x000000001B6F0000-memory.dmp

          memory/1896-219-0x00000000024B0000-0x000000000251C000-memory.dmp

          memory/1896-218-0x0000000000220000-0x00000000002CE000-memory.dmp

          memory/2108-75-0x0000000003590000-0x00000000035B8000-memory.dmp

          memory/2168-45-0x0000000006210000-0x00000000063C0000-memory.dmp

          memory/2168-41-0x0000000005F70000-0x0000000006004000-memory.dmp

          memory/2168-37-0x0000000003E30000-0x0000000003E3C000-memory.dmp

          memory/2168-33-0x0000000003DF0000-0x0000000003E1E000-memory.dmp

          memory/3360-8-0x0000000005F80000-0x000000000653A000-memory.dmp

          memory/3360-2-0x0000000003220000-0x000000000322C000-memory.dmp

          memory/3360-6-0x0000000005790000-0x00000000057B8000-memory.dmp

          memory/3360-7-0x0000000005810000-0x00000000059C0000-memory.dmp

          memory/3360-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

          memory/3360-12-0x0000000074CC0000-0x000000007547C000-memory.dmp

          memory/3360-11-0x0000000074CC0000-0x000000007547C000-memory.dmp

          memory/3360-5-0x0000000074CC0000-0x000000007547C000-memory.dmp

          memory/3360-4-0x0000000005700000-0x0000000005794000-memory.dmp

          memory/3360-3-0x0000000074CC0000-0x000000007547C000-memory.dmp

          memory/3360-9-0x0000000074CC0000-0x000000007547C000-memory.dmp

          memory/3360-1-0x0000000003040000-0x0000000003048000-memory.dmp

          memory/3772-225-0x0000000002F10000-0x0000000002F51000-memory.dmp

          memory/5240-197-0x0000000003E00000-0x0000000003E41000-memory.dmp

          memory/5240-162-0x0000000003EC0000-0x0000000004070000-memory.dmp

          memory/5240-199-0x00000000042D0000-0x00000000043A6000-memory.dmp

          memory/5240-158-0x0000000003C70000-0x0000000003D04000-memory.dmp

          memory/5240-170-0x0000000003DB0000-0x0000000003E00000-memory.dmp

          memory/5240-152-0x0000000003BB0000-0x0000000003BCA000-memory.dmp

          memory/5240-195-0x00000000040E0000-0x0000000004172000-memory.dmp

          memory/5240-194-0x0000000004070000-0x00000000040DC000-memory.dmp