Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/09/2026, 21:46

General

  • Target
    893c62949e0430b65f75f2b28b565fa0b056dfc9dea24ae795577788fedac3f6.msi
  • Size 9.7MB
  • Sample260912-1mskhawblh
  • SHA256 893c62949e0430b65f75f2b28b565fa0b056dfc9dea24ae795577788fedac3f6
  • 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.

  • 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 2 IoCs
  • Loads dropped DLL 42 IoCs
  • 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 Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

  • 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 20 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 7 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\893c62949e0430b65f75f2b28b565fa0b056dfc9dea24ae795577788fedac3f6.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:3776
  • 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:5104
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FE9956C90AA1E9FAA4DAA1FEE57460F1 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:592
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240735828 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1676
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5C50.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240737656 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:752
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI63C3.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739437 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1772
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DF3B78292C7EE949352059888385E484
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2196
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 335C2007F924B3FCEE847700ED3B71F1 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5116
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:1644
    • C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-bp48y7-relay.screenconnect.com&p=443&s=e4852511-0038-44eb-803b-a49cc38dc20a&k=BgIAAACkAABSU0ExAAgAAAEAAQBhm8ByvmCIsBlodMNbCtCZ%2bp8hh%2fCrARgft424pw2fOuVuBwyPQkEd6DAog5sZS75N%2bsUaV3Va%2b%2f3QFazNbA3MIodWBpykcQpke8ecBrP8WI0%2fGNGt057W1l2Lq%2biwwlDwmP6nWUaEMZ6WTyb2Qymglw9hFKbCCeAS4KMU6b6BbhHSZF8fRaDCX%2fg1YnQb2gUVxBNDjTVjJ27Y5dIO7HCZeXVc0FaIrhBb7pPKPHhxZy604pOIKY2GO%2f5cp1p8NJ7b6cIhK5u5YcZK89ce2om0SrWp1sOTnJjsM2xC659aplskSDbLRO1OBLB8uFJ%2bWCGSTCQOpTkw1juuSGZxjq%2b6"
      1⤵
      • Sets service image path in registry
      • 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:2188
      • C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.WindowsClient.exe" "RunRole" "027fb715-b1a2-43a0-81c0-16d60ad6d470" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1964

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5974f8.rbs

          • Path C:\Config.Msi\e5974f8.rbs
          • Size 214KB
          • SHA256 4d54164d683ce8e2366870308389b1996671106da48b8275d7b18c2bf528ae78
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\Client.en-US.resources
          • Size 64KB
          • SHA256 a189e7cdb5953cbfb808962e5cc30fb344ef4b62cf9ec3533faf6bdc1bede15d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8d82d3d077a65cebe622fc147bd040c7acc92bda071a0438e828ce630350f9b5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.ClientService.dll
          • Size 89KB
          • SHA256 4dc25a19ecaa325d1b22a68d7a5499c8a750f26384cc24e18a9c13e43dcecb7b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 91fb4fa934401bc4d1869565b364cc122c5c5a16df08e75afbec99dddfc53b89
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.Core.dll
          • Size 575KB
          • SHA256 c2d1716a36be19218bbd7ae0c60ac6bce94e73b95a48e2261ad249b1b766c604
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 a46556ad79dd5ab964b03f7e8fee3df52ec3e95032ac0158e8a3f607ff1ccd16
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.WindowsClient.exe
          • Size 668KB
          • SHA256 9e59c4faad181a99bd6f757895453ba459788b9ed7ebc3c218b1cf533ddb321d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 dabcb7f19a375bd5eadf7efbd7b46095f94a5c8fde2b90a6982f721457e92dbc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3c8e621d61e230d6)\system.config
          • Size 966B
          • SHA256 169c98abdfdf0a6cda6011e00b4555bb234e073bc1409c09d99a2920882e1e29
          • MD5 SHA1 SHA512 TLSH

          MSI5440.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp
          • Size 1.1MB
          • SHA256 c99b56907ea67b189677af45b8c4b81e5109e30f81aabf100997e9f2b681ba45
          • 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 565KB
          • SHA256 0a3147193829175d7da9704a06da7a143cf3ac7f9ba123f051e19c60f0985995
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 936055c9cecbce54167e3d865bed76119b8668d41e987f5c76e82a7c9cf1898c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5440.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c3941fb00af27c07d37e27a65f60420ec433db260c99c17a7321649e02e27bc0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5C50.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5C50.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 663b4d48e4183306995e4a66d4d8222292884152a6da85fe3800bb015b6c223b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI774A.tmp

          • Path C:\Windows\Installer\MSI774A.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5974f7.msi

          • Path C:\Windows\Installer\e5974f7.msi
          • Size 9.7MB
          • SHA256 893c62949e0430b65f75f2b28b565fa0b056dfc9dea24ae795577788fedac3f6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/752-62-0x0000000003E90000-0x0000000003EB8000-memory.dmp

          memory/1676-31-0x0000000006480000-0x0000000006630000-memory.dmp

          memory/1676-32-0x0000000006BF0000-0x00000000071AA000-memory.dmp

          memory/1676-19-0x0000000006130000-0x000000000615E000-memory.dmp

          memory/1676-27-0x0000000006210000-0x00000000062A4000-memory.dmp

          memory/1676-23-0x0000000006160000-0x000000000616C000-memory.dmp

          memory/1772-99-0x0000000005990000-0x0000000005A22000-memory.dmp

          memory/1964-180-0x0000000003040000-0x000000000305A000-memory.dmp

          memory/1964-174-0x0000000000F20000-0x0000000000FCA000-memory.dmp

          memory/1964-176-0x000000001BF70000-0x000000001C004000-memory.dmp

          memory/1964-177-0x000000001C1C0000-0x000000001C370000-memory.dmp

          memory/1964-175-0x00000000030E0000-0x000000000314C000-memory.dmp

          memory/1964-178-0x000000001C500000-0x000000001C688000-memory.dmp

          memory/1964-179-0x0000000003000000-0x000000000301A000-memory.dmp

          memory/2188-143-0x0000000004350000-0x00000000043E4000-memory.dmp

          memory/2188-168-0x00000000052D0000-0x00000000053A5000-memory.dmp

          memory/2188-166-0x0000000004850000-0x0000000004891000-memory.dmp

          memory/2188-163-0x0000000004960000-0x00000000049CC000-memory.dmp

          memory/2188-149-0x00000000048A0000-0x00000000048F0000-memory.dmp

          memory/2188-147-0x00000000045A0000-0x0000000004750000-memory.dmp

          memory/2188-137-0x0000000001BB0000-0x0000000001BCA000-memory.dmp