Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 05:14

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260728-fxbdraydrb
  • SHA256 40d791238159b0e15406be47907be7d484b41571753ff772c5e1d58abef634da
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 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:1228
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\1411d83309793434\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:1688
  • 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:4236
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 94530F4C895BD065C9F6B66907460DF8 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4808
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF4C6.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240776546 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5504
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF813.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240777250 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:260
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF020.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240840812 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4600
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2540
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1033868BD89167BEB8A19173A8483455
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4308
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding CE11435C9A124E48102A56942CC86F8A E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4968
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3188
    • C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-xkxleo-relay.screenconnect.com&p=443&s=8905121d-2dc7-4056-be5c-fb0fc43bfa23&k=BgIAAACkAABSU0ExAAgAAAEAAQANsBI8g5z9ZX7ZECRrRr6sbP%2fWnuCsVkelZsX4EEVe6W7s7WRZh4I7Zl2%2fSDIgrm%2ft%2bhN3gN5YXnzQGFKskHBQYSaSWTVzOLS4R9ZwCaE2ItqWDongTWan5zeu73JEKmwSONkaKVLGE3dBvOGGVOo%2b2Bwg37qAtefTbrmhdlAuCX%2fswSOS7fEbuigSp%2fZwGeolHWf%2bHRzCkdQB3W6OlXhrMxHtMY5XaJwUrTuoxxTvOPKHL6FHMYOFzJEZkBAkHtE%2ff35RuqoLhw8T0YD7fH7%2fM8O7criNFcbgx3aK4RzzFg8oaFsabVUT%2b%2bKtRWqztyrN%2fBY4%2fGFcpgtBFvMwRC%2bh"
      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:4396
      • C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.WindowsClient.exe" "RunRole" "c2beddcd-39a8-47b9-8d74-e5159191726b" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4768
      • C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.WindowsClient.exe" "RunRole" "fdf95187-6b9c-40b3-8e76-fe85eef3ea0e" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5560

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5b36bd.rbs

          • Path C:\Config.Msi\e5b36bd.rbs
          • Size 214KB
          • SHA256 82d8602ccb63f0bbc992c2a7d682296294a2bb303bce67e2d363e6fd2fa8a764
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1411d83309793434)\system.config
          • Size 974B
          • SHA256 1db48f5a9636ee943c3ac28f746e5212b1bcca0da4241558a8ed6fd1f24b314b
          • MD5 SHA1 SHA512 TLSH

          MSIF4C6.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF4C6.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF4C6.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF4C6.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF4C6.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF4C6.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF813.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF813.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\1411d83309793434\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 e889f2b53914f9be0320b2bc25db683552796e599a6a102af5d2b6f6d43e2b6a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI3E2F.tmp

          • Path C:\Windows\Installer\MSI3E2F.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1411d83309793434)\user.config
          • Size 520B
          • SHA256 d001451029e9e93b408f2bb3e2ecbcb56327fffe9e0a96aa4a53b1fc33f877eb
          • MD5 SHA1 SHA512 TLSH

          v1spry1t.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1411d83309793434)\v1spry1t.newcfg
          • Size 883B
          • SHA256 9d5b3e109e8d486228bcdfa392c076eac2b565611d8a79437fb6a53459bcbc1a
          • MD5 SHA1 SHA512 TLSH

          zvtewz4u.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1411d83309793434)\zvtewz4u.newcfg
          • Size 683B
          • SHA256 3e5467ed8fa9eb774b16ffc09b7e644b1a2cafe2b918cf47a94e69f475774bb2
          • MD5 SHA1 SHA512 TLSH

          memory/260-77-0x00000000033E0000-0x0000000003408000-memory.dmp

          memory/1228-8-0x0000000074D70000-0x000000007552C000-memory.dmp

          memory/1228-4-0x0000000074D70000-0x000000007552C000-memory.dmp

          memory/1228-1-0x0000000001F80000-0x0000000001F88000-memory.dmp

          memory/1228-10-0x0000000074D70000-0x000000007552C000-memory.dmp

          memory/1228-2-0x00000000037F0000-0x00000000037FC000-memory.dmp

          memory/1228-7-0x0000000006710000-0x0000000006CCA000-memory.dmp

          memory/1228-3-0x0000000005DF0000-0x0000000005E84000-memory.dmp

          memory/1228-5-0x0000000005E80000-0x0000000005EA8000-memory.dmp

          memory/1228-13-0x0000000074D70000-0x000000007552C000-memory.dmp

          memory/1228-0-0x0000000074D82000-0x0000000074D83000-memory.dmp

          memory/1228-11-0x0000000074D70000-0x000000007552C000-memory.dmp

          memory/1228-6-0x0000000005FA0000-0x0000000006150000-memory.dmp

          memory/4396-165-0x00000000048F0000-0x0000000004AA0000-memory.dmp

          memory/4396-197-0x0000000004AA0000-0x0000000004B0C000-memory.dmp

          memory/4396-198-0x0000000004B10000-0x0000000004BA2000-memory.dmp

          memory/4396-155-0x0000000001EA0000-0x0000000001EBA000-memory.dmp

          memory/4396-202-0x0000000004D00000-0x0000000004DD6000-memory.dmp

          memory/4396-178-0x00000000046C0000-0x0000000004710000-memory.dmp

          memory/4396-200-0x0000000004840000-0x0000000004881000-memory.dmp

          memory/4396-161-0x0000000004620000-0x00000000046B4000-memory.dmp

          memory/4768-220-0x0000000000A60000-0x0000000000B0E000-memory.dmp

          memory/4768-221-0x0000000002DB0000-0x0000000002E1C000-memory.dmp

          memory/4768-222-0x000000001BBC0000-0x000000001BC54000-memory.dmp

          memory/4768-224-0x000000001BE10000-0x000000001BFC0000-memory.dmp

          memory/4768-225-0x0000000001280000-0x000000000129A000-memory.dmp

          memory/4768-226-0x000000001C150000-0x000000001C2D8000-memory.dmp

          memory/5504-39-0x0000000005990000-0x000000000599C000-memory.dmp

          memory/5504-47-0x0000000005D60000-0x0000000005F10000-memory.dmp

          memory/5504-35-0x00000000059A0000-0x00000000059CE000-memory.dmp

          memory/5504-43-0x0000000005B10000-0x0000000005BA4000-memory.dmp