Analysis

  • user interaction
    yes
  • max time kernel
    76s
  • max time network
    68s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 01:46

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample261030-b7djmsda36
  • SHA256 38c4308e76be1c346396385b07960db85f193fea7be58f713b994e30cb79dcf8
  • 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).

  • 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 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:4512
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\565ade89c315523c\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:3520
  • 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:5472
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8861B7C715559AA606CB7BC6CD7DFCA9 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3796
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8EE8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240750609 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4092
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9419.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240751671 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:1272
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9C48.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240753890 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4752
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5024
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7B122E55E5F51656656B2BF74BB29D8F
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4212
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding BF6657F8B7759D8DA49D7845C1841670 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3872
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4896
    • C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-h59ay4-relay.screenconnect.com&p=443&s=1087339b-0331-4780-9c4a-61dc632c8f71&k=BgIAAACkAABSU0ExAAgAAAEAAQD5vEX4fZd6UZh%2b0wbyEYp9NLDLT5cqng8LC3vVZVv3WTSTiKBIsULU6BAqpvzTM%2fwyKmq6yx9LLUyBhp2Wg34qno0JOMJ2NDMhZ5fvIcFMpS0GQxZBngLB8zKC2EXxnesy%2fGEPPHZDuwWyBplekaHxZxrU%2fM9Ha47U%2bdZkFdnO4gPOhqhr%2bALyXYMoWcWN8j5iCdamnuGQQ9jZlK4XQO2CtWgSibLO3zT5%2f%2b0FluK6r7ZbxevA1gzCdedOFpZjndpyuTGezRACdVsLPLXiVaI4g89dnSSyVJlJzOxK33TiRhq2hXj%2bYziqBUKNOvJCPO2zF3MbhVqDLK8qCNMQtpfD"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • 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:5528
      • C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.WindowsClient.exe" "RunRole" "734224a3-4868-4b21-ac49-d0e74943b2d2" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3100
      • C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.WindowsClient.exe" "RunRole" "316e4702-9a07-4d8a-a958-775f5c7edcd1" "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:2868

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59df1c.rbs

          • Path C:\Config.Msi\e59df1c.rbs
          • Size 214KB
          • SHA256 7254c4cbe0afe69ab432308eeef0c2d2dd4ef868b60ff9439ab570acdc12fdb6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.WindowsClient.exe
          • Size 1.6MB
          • SHA256 b7a495f517b9bf23f529552b145121f922ab4915e24b663ae68b3007daea3804
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (565ade89c315523c)\system.config
          • Size 962B
          • SHA256 14f0706128fde0bdc0e4589d21a4243f94e1b1563ca41f559ef74dbc607c8055
          • MD5 SHA1 SHA512 TLSH

          MSI8EE8.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8EE8.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8EE8.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8EE8.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8EE8.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8EE8.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9419.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9419.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\565ade89c315523c\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 0960b20c995bb9703424bbfc8c35a80e017cc85891cb7e98892799ce0179745f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE4D9.tmp

          • Path C:\Windows\Installer\MSIE4D9.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aj2d3oxe.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (565ade89c315523c)\aj2d3oxe.newcfg
          • Size 683B
          • SHA256 a778cb2c7dae405a8cdb95c92f9d75fc97617db0a69a247ece60ecdc1610735e
          • MD5 SHA1 SHA512 TLSH

          itedxblk.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (565ade89c315523c)\itedxblk.newcfg
          • Size 883B
          • SHA256 38dc8ced8ae6f792963da4afbf3533adf01b89ddccbe4cce71716c8c3b97fc78
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (565ade89c315523c)\user.config
          • Size 520B
          • SHA256 3da2d91d9f336e9dc1b4eb3494a49fe3836f8baf4d8f358e412ed1103c386829
          • MD5 SHA1 SHA512 TLSH

          memory/1272-74-0x0000000003540000-0x00000000035A8000-memory.dmp

          memory/3100-220-0x000000001C1D0000-0x000000001C32A000-memory.dmp

          memory/3100-218-0x0000000000ED0000-0x0000000001066000-memory.dmp

          memory/3100-221-0x000000001C510000-0x000000001C6F0000-memory.dmp

          memory/3100-219-0x000000001BCD0000-0x000000001BD6E000-memory.dmp

          memory/3100-223-0x000000001BC60000-0x000000001BC90000-memory.dmp

          memory/3100-222-0x000000001D310000-0x000000001D498000-memory.dmp

          memory/4092-32-0x0000000003890000-0x00000000038BE000-memory.dmp

          memory/4092-44-0x0000000005EA0000-0x0000000006080000-memory.dmp

          memory/4092-36-0x00000000038D0000-0x00000000038DC000-memory.dmp

          memory/4092-40-0x0000000005B60000-0x0000000005CBA000-memory.dmp

          memory/4512-1-0x00000000039F0000-0x00000000039F8000-memory.dmp

          memory/4512-11-0x00000000742C0000-0x0000000074A7C000-memory.dmp

          memory/4512-8-0x00000000742C0000-0x0000000074A7C000-memory.dmp

          memory/4512-0-0x00000000742D2000-0x00000000742D3000-memory.dmp

          memory/4512-9-0x0000000006AE0000-0x000000000709A000-memory.dmp

          memory/4512-5-0x00000000062B0000-0x0000000006318000-memory.dmp

          memory/4512-6-0x0000000006330000-0x0000000006510000-memory.dmp

          memory/4512-7-0x00000000742C0000-0x0000000074A7C000-memory.dmp

          memory/4512-4-0x00000000742C0000-0x0000000074A7C000-memory.dmp

          memory/4512-3-0x0000000006120000-0x000000000627A000-memory.dmp

          memory/4512-2-0x0000000003A60000-0x0000000003A6C000-memory.dmp

          memory/5528-200-0x0000000005160000-0x0000000005236000-memory.dmp

          memory/5528-198-0x0000000004B70000-0x0000000004BB1000-memory.dmp

          memory/5528-157-0x0000000004910000-0x0000000004A6A000-memory.dmp

          memory/5528-151-0x0000000004740000-0x0000000004770000-memory.dmp

          memory/5528-196-0x0000000004F70000-0x0000000005002000-memory.dmp

          memory/5528-161-0x0000000004C50000-0x0000000004E30000-memory.dmp

          memory/5528-195-0x0000000004ED0000-0x0000000004F6E000-memory.dmp

          memory/5528-174-0x0000000004BC0000-0x0000000004C10000-memory.dmp