Analysis

  • max time kernel
    150s
  • max time network
    132s
  • 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, 18:17

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260817-wxaefsch92
  • SHA256 103593a57db7789125ba5c31a2b650af4cb736be420f9e10c62eb319a883285a
  • 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 18 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 2 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 8 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:\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:1188
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\c7fb7e15e998cce5\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:2236
  • 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:3068
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FC7C1727A5749A3774DA2C43986BC213 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5756
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI64AC.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739781 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5484
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6A3A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240740968 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5956
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7C7B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240745703 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3748
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4828
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 0306F3E533361A28375AA139FC7B8C6F
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2472
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding AE3C04538C3DFEC6BC90FC2E6823D330 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2664
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2104
    • C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-zf8351-relay.screenconnect.com&p=443&s=2e14d367-6293-4ba4-ab8a-d9962acb0709&k=BgIAAACkAABSU0ExAAgAAAEAAQDBcx5QmCDrC5xZrVi9Pb91r3336ULv2lM%2bAyLx5wmF8FzdIDV%2f9dq5GbisrY4JmjNytqn5oMKe1eyIbWi2dlcEVR5VS7dmiBp5M0gKwrVNJHZ%2fk1JsV6RdXVp%2baZdO5TC6VUKNANekWQ3b3qZ2FFMMKALqmL%2fAFLayHW55D3T1BG54T5Pd9pQuOEFcl9zJf%2fQDiZgDHRVJX4KYvTYQZYAVS1p5FFCvbEsRpUVtq2iyeFH83ssvnpiNgG%2bUC8wnE%2f%2fxyyRLd%2bmfe9atRhm0l4VJ0RW70bN6PDBcsmpmihAP2LzOcT3die6%2bvuAqPqm%2fS1VQut0SmkpyFbMYS%2fxHPvS0"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.WindowsClient.exe" "RunRole" "19d77e6a-f587-4e36-bcef-d0157926d4c6" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5684

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59f7d4.rbs

          • Path C:\Config.Msi\e59f7d4.rbs
          • Size 214KB
          • SHA256 f7f9a9a654431ab8569e4c06e67f6f0ee511f68a0131d0e49ba91ed8671a602c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (c7fb7e15e998cce5)\system.config
          • Size 970B
          • SHA256 51f5131c179aa42ca589cb93bde15a6136cd3eda97cb2510a6a88682d851ae58
          • MD5 SHA1 SHA512 TLSH

          MSI64AC.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI64AC.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI64AC.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI64AC.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI64AC.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI64AC.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6A3A.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6A3A.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\c7fb7e15e998cce5\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 8d52dc87ee957ab690d2aec304ea9da81b40e14ddcf19ed526a8c2ae87fcb520
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI21.tmp

          • Path C:\Windows\Installer\MSI21.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          bmz5qain.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7fb7e15e998cce5)\bmz5qain.newcfg
          • Size 883B
          • SHA256 4715c9893343fe9591e480bf852c2c2d17e546938e3868a3ebdc7d1001bdb3e7
          • MD5 SHA1 SHA512 TLSH

          rtlnytqq.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7fb7e15e998cce5)\rtlnytqq.newcfg
          • Size 883B
          • SHA256 abca77e4e2eadde76f8e998ddb28eca8d888472c3355a1bef8a8334e0cd4abc0
          • MD5 SHA1 SHA512 TLSH

          s3pvqdex.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7fb7e15e998cce5)\s3pvqdex.newcfg
          • Size 883B
          • SHA256 2b2afd63eb81b6387c6cb64c9306d8664c66da9dff6a5d1547fda185709282f9
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7fb7e15e998cce5)\user.config
          • Size 883B
          • SHA256 9ee53eb2cc8f42df5b44e033e1112ca8eb98ba43e2f45924d0c46fb6350c30b9
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7fb7e15e998cce5)\user.config
          • Size 520B
          • SHA256 d5e3e280940d9ac497abab0af7cd3a3dc8769b31af278f1c0c1d4597a7a190b4
          • MD5 SHA1 SHA512 TLSH

          w5db3ydz.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7fb7e15e998cce5)\w5db3ydz.newcfg
          • Size 683B
          • SHA256 e4e9c0597e07698697d2a7d8e290785a198498e7f3779f0e72ff668dd3122da8
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 943b9281c67ce527b3522759af82706bb46707c2b275a893d19a805a045917ec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {3212f105-9aef-4906-9afb-ed5c119da7b1}_OnDiskSnapshotProp

          • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{3212f105-9aef-4906-9afb-ed5c119da7b1}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 70ecd17613400b923f6cdf3477baaf7754c2b168bd6d895e156eee352f616f87
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1188-7-0x0000000005FE0000-0x0000000006190000-memory.dmp

          memory/1188-5-0x0000000074AD0000-0x000000007528C000-memory.dmp

          memory/1188-10-0x0000000074AD0000-0x000000007528C000-memory.dmp

          memory/1188-0-0x0000000074AE2000-0x0000000074AE3000-memory.dmp

          memory/1188-8-0x0000000006750000-0x0000000006D0A000-memory.dmp

          memory/1188-9-0x0000000074AD0000-0x000000007528C000-memory.dmp

          memory/1188-12-0x0000000074AD0000-0x000000007528C000-memory.dmp

          memory/1188-1-0x0000000001FF0000-0x0000000001FF8000-memory.dmp

          memory/1188-2-0x0000000002010000-0x000000000201C000-memory.dmp

          memory/1188-3-0x0000000074AD0000-0x000000007528C000-memory.dmp

          memory/1188-4-0x0000000005EF0000-0x0000000005F84000-memory.dmp

          memory/1188-6-0x0000000003950000-0x0000000003978000-memory.dmp

          memory/3068-143-0x00000297D54A0000-0x00000297D5E44000-memory.dmp

          memory/4544-153-0x0000000001410000-0x000000000142A000-memory.dmp

          memory/4544-176-0x0000000003E80000-0x0000000003ED0000-memory.dmp

          memory/4544-200-0x00000000041D0000-0x00000000042A6000-memory.dmp

          memory/4544-196-0x0000000003FE0000-0x0000000004072000-memory.dmp

          memory/4544-195-0x0000000003ED0000-0x0000000003F3C000-memory.dmp

          memory/4544-159-0x0000000003A60000-0x0000000003AF4000-memory.dmp

          memory/4544-163-0x0000000003CD0000-0x0000000003E80000-memory.dmp

          memory/4544-198-0x0000000003C80000-0x0000000003CC1000-memory.dmp

          memory/5484-33-0x00000000055E0000-0x000000000560E000-memory.dmp

          memory/5484-37-0x0000000005620000-0x000000000562C000-memory.dmp

          memory/5484-41-0x00000000056D0000-0x0000000005764000-memory.dmp

          memory/5484-45-0x0000000005960000-0x0000000005B10000-memory.dmp

          memory/5684-220-0x0000000002F90000-0x0000000002FFC000-memory.dmp

          memory/5684-224-0x000000001C360000-0x000000001C4E8000-memory.dmp

          memory/5684-223-0x0000000002E30000-0x0000000002E4A000-memory.dmp

          memory/5684-222-0x000000001C020000-0x000000001C1D0000-memory.dmp

          memory/5684-221-0x000000001BDD0000-0x000000001BE64000-memory.dmp

          memory/5684-219-0x0000000000C60000-0x0000000000D0E000-memory.dmp

          memory/5956-75-0x0000000005F20000-0x0000000005F48000-memory.dmp