Analysis

  • max time kernel
    148s
  • max time network
    129s
  • 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, 04:15

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260806-evbfasdl4s
  • SHA256 4d43a17e4874f0ec0e34c0cf5779388fee81410fdb314ba54c39a9363696b055
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 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:904
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\842e1a74b1163460\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:3424
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • 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:1228
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F8362107664034E70FBA0924D15B1B52 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4536
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI94D4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240752000 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2808
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI991A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240752984 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1472
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9E8A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240754390 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3108
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2800
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding EB30E005830EEF6E2144079D9D23FB17
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5448
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2E693CD827200842DC26680361D2107F E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5492
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1716
    • C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-c495m9-relay.screenconnect.com&p=443&s=71fb8c23-eb6e-431f-8e9d-56291d65b1ba&k=BgIAAACkAABSU0ExAAgAAAEAAQAdCM33zJvRwVTOroBtz0A5kk0Gj2Vd3CYO4hR0VT3f%2belo%2fyGq935hcs7of694pbCohh%2fQXQHlIvReuT99TLVMnfg9Du%2bFgm7AmN0vC1a4lbQ4a89hLTtfTg4n%2b6F2bJUbvav5rTH3tJRqzwdjABjHGEUPEdIQdqF8sMk77jQ8oncRLV9HrbenvENpvL2mEG1YK9gkbN9h16n97UNtKvQw3siWT2Ql%2f%2fl9vpDXtVnFT8EKJeWYfGd%2bWjF0f5ITONJY0zwTxJa4NpJSEbDrZEsHoZlH%2bSZCsfrWIi4KoZSTr4deU41UpdNhWlS3eDhlWn%2bXm%2bJ9v5FDfI3voU2P%2bH%2b7"
      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:1436
      • C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.WindowsClient.exe" "RunRole" "8052c0bd-7dbe-4c7b-8be3-4ae3c883be43" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:992
      • C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.WindowsClient.exe" "RunRole" "397de917-af61-4f78-be79-ef227788433e" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2696

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59ddd4.rbs

          • Path C:\Config.Msi\e59ddd4.rbs
          • Size 214KB
          • SHA256 ca3076f515de3d467ec47951a1bfcd91abb94f2cf3948b59cc043b2128a08d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (842e1a74b1163460)\system.config
          • Size 970B
          • SHA256 6b070a0f40b7e78250925b0f62caa48025c63bffcb6c7e2749271ea5c75554ab
          • MD5 SHA1 SHA512 TLSH

          MSI94D4.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI94D4.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI94D4.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI94D4.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI94D4.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI94D4.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI991A.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI991A.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\842e1a74b1163460\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 2656759aabeed21c9d5fb5ae20c8f9272b79811e6d7238f27ee1f3847414715c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE343.tmp

          • Path C:\Windows\Installer\MSIE343.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          agpfdgeb.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (842e1a74b1163460)\agpfdgeb.newcfg
          • Size 881B
          • SHA256 659fcebc0510823c30d76e429209a0b28cde4b4d990ba750e8a8b89a3494d1b4
          • MD5 SHA1 SHA512 TLSH

          hhtbawph.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (842e1a74b1163460)\hhtbawph.newcfg
          • Size 683B
          • SHA256 b7d2198150a36e70b7c6c1d73dd8aebc61ad77330b9aba0fb986591d080a486d
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (842e1a74b1163460)\user.config
          • Size 520B
          • SHA256 47cb5160e48b88a628a7e7ee6e120a08fe7841c4fb920bea91c8b3e6ce8b0204
          • MD5 SHA1 SHA512 TLSH

          memory/904-4-0x0000000005AB0000-0x0000000005B44000-memory.dmp

          memory/904-5-0x0000000003510000-0x0000000003538000-memory.dmp

          memory/904-1-0x00000000017A0000-0x00000000017A8000-memory.dmp

          memory/904-12-0x00000000745A0000-0x0000000074D5C000-memory.dmp

          memory/904-0-0x00000000745B2000-0x00000000745B3000-memory.dmp

          memory/904-2-0x0000000001D50000-0x0000000001D5C000-memory.dmp

          memory/904-3-0x00000000745A0000-0x0000000074D5C000-memory.dmp

          memory/904-10-0x00000000745A0000-0x0000000074D5C000-memory.dmp

          memory/904-8-0x0000000006360000-0x000000000691A000-memory.dmp

          memory/904-7-0x0000000005BF0000-0x0000000005DA0000-memory.dmp

          memory/904-6-0x00000000745A0000-0x0000000074D5C000-memory.dmp

          memory/992-219-0x0000000003120000-0x000000000318C000-memory.dmp

          memory/992-227-0x000000001D4E0000-0x000000001D6AA000-memory.dmp

          memory/992-224-0x000000001C650000-0x000000001C7D8000-memory.dmp

          memory/992-223-0x00000000030C0000-0x00000000030DA000-memory.dmp

          memory/992-222-0x000000001C310000-0x000000001C4C0000-memory.dmp

          memory/992-220-0x000000001C0C0000-0x000000001C154000-memory.dmp

          memory/992-218-0x0000000000FF0000-0x000000000109E000-memory.dmp

          memory/1436-159-0x0000000003C50000-0x0000000003CE4000-memory.dmp

          memory/1436-196-0x00000000040C0000-0x0000000004152000-memory.dmp

          memory/1436-163-0x0000000003EA0000-0x0000000004050000-memory.dmp

          memory/1436-195-0x0000000004050000-0x00000000040BC000-memory.dmp

          memory/1436-175-0x0000000003D90000-0x0000000003DE0000-memory.dmp

          memory/1436-153-0x0000000003B90000-0x0000000003BAA000-memory.dmp

          memory/1436-198-0x0000000003DE0000-0x0000000003E21000-memory.dmp

          memory/1436-200-0x00000000042B0000-0x0000000004386000-memory.dmp

          memory/1472-74-0x0000000003E80000-0x0000000003EA8000-memory.dmp

          memory/2696-226-0x000000001C920000-0x000000001CAEA000-memory.dmp

          memory/2808-32-0x0000000003FC0000-0x0000000003FEE000-memory.dmp

          memory/2808-36-0x0000000004000000-0x000000000400C000-memory.dmp

          memory/2808-44-0x0000000006390000-0x0000000006540000-memory.dmp

          memory/2808-40-0x0000000006130000-0x00000000061C4000-memory.dmp