Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 00:20

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260930-anag7ssfre
  • SHA256 43c3bc9eb35d498a52e75165cbc20222efd506998f685f2eda231ffa7230f967
  • 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 47 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
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 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 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:3684
  • 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:1324
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 908742688F54FD1BBA0A26A3CE4BFD49 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8071.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240747031 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3112
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI88DE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240749078 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:452
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI911D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240751109 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2320
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2448
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 96E9A269F5C140C6B090F0450C58C7B4
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5068
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9F291F4C587B20C633850C0580EF4075 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1480
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4076
    • C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-kizuec-relay.screenconnect.com&p=443&s=a5fa970f-96a2-4374-aced-a0bab3b28f2f&k=BgIAAACkAABSU0ExAAgAAAEAAQBVFL7%2fKrrELLesQaucWkDEFtLPvdESjeUeanHQ596hSCYUxGO2LDRwY%2bmn8ttot6QZg2G9rxr5z23bIwJfcl0x6OlfuT0T6Elza7Po0jG4odmNTpigA6wVI1DVBGEU2Hwtgy5GqcUQAf63KinKUXbUh5%2fJf74QaQ15LAhr1KManjYuhqEgg4REOF8MUCdjtq8wkbEFLZT9mZzW7Wr%2fZtMfkgvebN%2fkg%2fTqDeFb%2bPfH1vA1RDeXlKvGYA6f9eDKzgQTt8v2TjoAd%2fEhYH7CuDr1baRL6846n1bnwoFcPwhRu8y73slFxQl2pe0O7bMcVsBIhhKMTwyDtZdfIVzEstmk"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4128
      • C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe" "RunRole" "a8805248-1fef-4b8f-9406-498a9446f112" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5548
      • C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe" "RunRole" "66cfb4d1-e487-463d-b26e-c9d52bb323c6" "System"
        2⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2848

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59fdd0.rbs

          • Path C:\Config.Msi\e59fdd0.rbs
          • Size 214KB
          • SHA256 c0915b7659f49bdaf0e2bcb4dc43957184b2c3fc569ad5f6d62b00e34dcee776
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\system.config
          • Size 960B
          • SHA256 c03610f0108c2da09e43dc4ddf359f2170bc5126ccc5ed546f2155a67d809acf
          • MD5 SHA1 SHA512 TLSH

          MSI8071.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8071.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8071.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8071.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8071.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8071.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI88DE.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI88DE.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 361bbc692084841e4c8d22c89ca89c711d0fe17bc8759241736531a2f28de25b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI532.tmp

          • Path C:\Windows\Installer\MSI532.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59fdcf.msi

          • Path C:\Windows\Installer\e59fdcf.msi
          • Size 9.8MB
          • SHA256 43c3bc9eb35d498a52e75165cbc20222efd506998f685f2eda231ffa7230f967
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rbflamic.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (547176cdfe5ab75f)\rbflamic.newcfg
          • Size 683B
          • SHA256 422b0822faa230850478f8d31660aea4fd17c47b0eac17b5b5b2f4464e7bab0e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (547176cdfe5ab75f)\user.config
          • Size 520B
          • SHA256 56a97a28bb5631ad1361d0daf847774e7e728da932760e444368c5f2b473b82b
          • MD5 SHA1 SHA512 TLSH

          xlieifnl.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (547176cdfe5ab75f)\xlieifnl.newcfg
          • Size 883B
          • SHA256 119f010e72b10e33ce403aa060c8de506e81a951da773eb51876cf0c6dfd788a
          • MD5 SHA1 SHA512 TLSH

          {cd19a546-baf3-46f7-b98a-4158acd412ec}_OnDiskSnapshotProp

          • Path \??\Volume{e3f46304-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{cd19a546-baf3-46f7-b98a-4158acd412ec}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 fcce3ed9cbb0a35c4aa0455b5592e1fe78577e4e37d480fa63883aad24f6ea2a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/452-64-0x0000000003610000-0x0000000003638000-memory.dmp

          memory/3112-34-0x0000000006500000-0x0000000006ABA000-memory.dmp

          memory/3112-33-0x0000000005D90000-0x0000000005F40000-memory.dmp

          memory/3112-29-0x0000000005B40000-0x0000000005BD6000-memory.dmp

          memory/3112-25-0x0000000005A90000-0x0000000005A9C000-memory.dmp

          memory/3112-21-0x0000000005A60000-0x0000000005A8E000-memory.dmp

          memory/4128-155-0x0000000003B80000-0x0000000003BD0000-memory.dmp

          memory/4128-141-0x0000000003990000-0x00000000039AA000-memory.dmp

          memory/4128-184-0x0000000003EC0000-0x0000000003F52000-memory.dmp

          memory/4128-186-0x0000000003BD0000-0x0000000003C11000-memory.dmp

          memory/4128-183-0x0000000003E50000-0x0000000003EBC000-memory.dmp

          memory/4128-151-0x0000000003CA0000-0x0000000003E50000-memory.dmp

          memory/4128-147-0x0000000003A50000-0x0000000003AE6000-memory.dmp

          memory/4128-188-0x00000000040B0000-0x0000000004186000-memory.dmp

          memory/5548-207-0x00000000003F0000-0x00000000004A0000-memory.dmp

          memory/5548-209-0x000000001B560000-0x000000001B5F6000-memory.dmp

          memory/5548-210-0x000000001B7B0000-0x000000001B960000-memory.dmp

          memory/5548-211-0x0000000000D20000-0x0000000000D3A000-memory.dmp

          memory/5548-212-0x000000001BAF0000-0x000000001BC78000-memory.dmp

          memory/5548-213-0x0000000000D40000-0x0000000000D81000-memory.dmp

          memory/5548-208-0x00000000026A0000-0x000000000270C000-memory.dmp