Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 06:40

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample261023-he6s2scd44
  • SHA256 9613e7573978f2a9b66da49f383b7b726c6b046cd97ef8654f89b7b59b1c9240
  • 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 4 IoCs
  • Loads dropped DLL 50 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 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 10 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:944
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\c69a43ca9015d90c\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:2988
  • 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:3804
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 52560E229825E6ABA3F2F961ED172575 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:252
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240735421 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2028
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5923.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240736625 11 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:5556
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI61CF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240738812 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4180
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:864
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 485FBAA28EBC812A400E1BF4CA224239
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3500
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 588844DB5AED140E42CD5D0C220881E5 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3832
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2424
    • C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-yc9tag-relay.screenconnect.com&p=443&s=a675d901-2bbc-4ce0-9648-e29f32f19d46&k=BgIAAACkAABSU0ExAAgAAAEAAQCVbyBn0CitFTy3yYKViiojYtN6OJg2kqrC0uaCKjFXxLHcwfBCTNlgfSemjqhiHRRywQ21fmI5ev9C99kfeoDJjpTbOqfErsjbMbQziOF07Ha9oK3m3DMORhiLBjn3J8fe0sAblNr6wuTeK1W9mxf3vJgIH1UeHvKYyXPE7ckaH5bA3wx1WIDDe9OIouMGWhPr4J3eJz4O54yyKLHWbAQ70StqNKlqcQNOfLUCLjo7zxnMUk1aEPybAJ6PjRsm8PyTmL5vDijxHxDCZ6Qde95tNwoDV4bVsSx3C0ypyIZXdxGwxGJXRElEaJCwI9mfctLot6Y5ofZkfVRI5YiyQ0i4&c=CollinMic&c=httpsaffcollinmic.co.za&c=Banker&c=Window&c=&c=&c=&c="
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 1336
        2⤵
        • Program crash
        PID:2880
    • C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-yc9tag-relay.screenconnect.com&p=443&s=a675d901-2bbc-4ce0-9648-e29f32f19d46&k=BgIAAACkAABSU0ExAAgAAAEAAQCVbyBn0CitFTy3yYKViiojYtN6OJg2kqrC0uaCKjFXxLHcwfBCTNlg%2fSemjqhiHRRywQ21fmI5ev9C99kfeoDJjpTbOqfErsj%2bMbQziOF07Ha9oK3m3DMORhiLBjn3J8fe0sAblNr6wuTeK1W9mx%2f3vJgIH1UeHvKYyXPE7ckaH5%2bA3wx1WIDDe9OIouMGWhPr4J3eJz4O54yyKLHWbAQ70StqNKlqcQNO%2fLUCLjo7zxnMUk1aEPybAJ6PjRsm8PyTmL5vDijxHxDCZ6Qde95tNwoDV4%2bVsSx3C0ypyIZXdxGwxGJXRElEaJCwI9mfctLot6Y5o%2fZkfVRI5YiyQ0i4&c=CollinMic&c=https%3a%2f%2fcollinmic.co.za&c=Banker&c=Window&c=&c=&c=&c="
      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:3708
      • C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.WindowsClient.exe" "RunRole" "1db074a9-a31e-4bc6-b63f-25cc86e5341a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1952
      • C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.WindowsClient.exe" "RunRole" "a4b32a66-f0f6-47b2-9b76-dca29c31e507" "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:5264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2564 -ip 2564
      1⤵
        PID:5084

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e59a55f.rbs

            • Path C:\Config.Msi\e59a55f.rbs
            • Size 214KB
            • SHA256 64b24a3577f8c7c3b41d0ae4ccca0a32fb0bab2e7a8a6c54a7bb9f961f25b855
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.Client.dll
            • Size 615KB
            • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.ClientService.dll
            • Size 176KB
            • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.Core.dll
            • Size 1.3MB
            • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\ScreenConnect.Windows.dll
            • Size 1.9MB
            • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (c69a43ca9015d90c)\system.config
            • Size 958B
            • SHA256 577a5496d3b28a70f36d952686c0d422c97d5a8c0b831ec17cc1d04a2b59bc37
            • MD5 SHA1 SHA512 TLSH

            MSI5440.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp
            • Size 1.9MB
            • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp-\ScreenConnect.Core.dll
            • Size 1.3MB
            • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp-\ScreenConnect.InstallerActions.dll
            • Size 24KB
            • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp-\ScreenConnect.Windows.dll
            • Size 1.8MB
            • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CustomAction.config

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5923.tmp-\CustomAction.config
            • Size 234B
            • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5923.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\c69a43ca9015d90c\ScreenConnect.ClientSetup.msi
            • Size 16.2MB
            • SHA256 c920dd39db410985cb0d7e9f2ab24f4ac8dac415f79376ab14cec7f990e1b821
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSIAE68.tmp

            • Path C:\Windows\Installer\MSIAE68.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            2urtr0ix.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c69a43ca9015d90c)\2urtr0ix.newcfg
            • Size 884B
            • SHA256 335f8474de849ac6e9f0bcaf67dd0c2b1439d5d2709c8610ca96d939d7456ed3
            • MD5 SHA1 SHA512 TLSH

            fvmsacm4.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c69a43ca9015d90c)\fvmsacm4.newcfg
            • Size 683B
            • SHA256 d7f8fed65d314d7fe5dd6270fd11b2bc17517efaf77b0aa0e4cda8a3734c6c96
            • MD5 SHA1 SHA512 TLSH

            user.config

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c69a43ca9015d90c)\user.config
            • Size 520B
            • SHA256 4e5e8cedbd8715814971e8c9e6aa3f7bccbcb417d33a6bf0de65936b6b67d9c0
            • MD5 SHA1 SHA512 TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 f8a0f27bf92b023e8bfd3cbf24dddc83ec0b9e8ea496668a2d13780b6c65b2b6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {5e91396b-c98d-43d4-a187-23f297550ae4}_OnDiskSnapshotProp

            • Path \??\Volume{8a43e30d-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{5e91396b-c98d-43d4-a187-23f297550ae4}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 3b91f153e1090b4a3d329de3fffcf7e2b22fdf43b132658935b643d9d5a7c456
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/944-1-0x00000000027A0000-0x00000000027A8000-memory.dmp

            memory/944-3-0x0000000074C80000-0x000000007543C000-memory.dmp

            memory/944-2-0x00000000027C0000-0x00000000027CC000-memory.dmp

            memory/944-10-0x0000000074C80000-0x000000007543C000-memory.dmp

            memory/944-8-0x0000000007020000-0x00000000075DA000-memory.dmp

            memory/944-0-0x0000000074C92000-0x0000000074C93000-memory.dmp

            memory/944-7-0x0000000074C80000-0x000000007543C000-memory.dmp

            memory/944-4-0x0000000006690000-0x00000000067EA000-memory.dmp

            memory/944-12-0x0000000074C80000-0x000000007543C000-memory.dmp

            memory/944-5-0x0000000006810000-0x0000000006878000-memory.dmp

            memory/944-6-0x0000000006880000-0x0000000006A60000-memory.dmp

            memory/1952-227-0x000000001BF10000-0x000000001BF40000-memory.dmp

            memory/1952-224-0x000000001BDB0000-0x000000001BF0A000-memory.dmp

            memory/1952-225-0x000000001C0F0000-0x000000001C2D0000-memory.dmp

            memory/1952-222-0x0000000000BA0000-0x0000000000D36000-memory.dmp

            memory/1952-226-0x000000001C2D0000-0x000000001C458000-memory.dmp

            memory/1952-223-0x000000001B9B0000-0x000000001BA4E000-memory.dmp

            memory/2028-32-0x00000000025F0000-0x000000000261E000-memory.dmp

            memory/2028-36-0x0000000002630000-0x000000000263C000-memory.dmp

            memory/2028-44-0x0000000005A00000-0x0000000005BE0000-memory.dmp

            memory/2028-40-0x00000000056C0000-0x000000000581A000-memory.dmp

            memory/2564-154-0x0000000005080000-0x00000000050B0000-memory.dmp

            memory/3708-194-0x00000000045D0000-0x0000000004662000-memory.dmp

            memory/3708-195-0x00000000042B0000-0x00000000042F1000-memory.dmp

            memory/3708-196-0x00000000047C0000-0x0000000004896000-memory.dmp

            memory/3708-193-0x0000000004350000-0x00000000043EE000-memory.dmp

            memory/3708-172-0x0000000004260000-0x00000000042B0000-memory.dmp

            memory/3708-164-0x00000000040B0000-0x000000000420A000-memory.dmp

            memory/3708-170-0x00000000043F0000-0x00000000045D0000-memory.dmp

            memory/3804-228-0x0000024A74940000-0x0000024A752E4000-memory.dmp

            memory/5556-74-0x0000000005EE0000-0x0000000005F48000-memory.dmp