It is recommended to exclude the agent's AMSP process and folder in Sysmon to fix the interop issue. Please add the following exclusions to the corresponding event in the Sysmon configuration:
<!-- Event ID1== Process Creation - Excludes --><ParentImage condition="image">coreServiceShell.exe</ParentImage><Image condition="image">dsa.exe</Image><Image condition="image">coreServiceShell.exe</Image><!-- Event ID2== File Creation Time - Excludes --><Image condition="image">coreServiceShell.exe</Image><TargetFilename condition="contains">C:\ProgramData\Trend Micro\AMSP</TargetFilename><!-- Event ID3== Network Connection - Excludes --><Image condition="image">coreServiceShell.exe</Image><Image condition="image">dsa.exe</Image><!-- Event ID10== ProcessAccess - Excludes --><SourceImage condition="image">coreServiceShell.exe</SourceImage><SourceImage condition="image">dsa.exe</SourceImage><SourceImage condition="is">C:\Program Files\Trend Micro\AMSP\coreServiceShell.exe</SourceImage><!-- Event ID11== FileCreate - Excludes --><Image condition="image">coreServiceShell.exe</Image><TargetFilename condition="contains">C:\ProgramData\Trend Micro\AMSP</TargetFilename><Image condition="image">dsa.exe</Image><!-- Event ID12,13,14== RegObject added/deleted, RegValue Set, RegObject Renamed - Excludes --><Image condition="image">dsa.exe</Image><Image condition="image">coreServiceShell.exe</Image><!-- Event ID17,18== PipeEvent. Log Named pipe created & Named pipe connected - Excludes --><Image condition="image">coreServiceShell.exe</Image><!-- Event ID22== DNS Queries and their results Excludes --><Image condition="image">coreServiceShell.exe</Image><!-- Event ID23== File Delete and overwrite events - Excludes --><Image condition="image">coreServiceShell.exe</Image><!-- Event ID25== Process tampering events - Excludes --><Image condition="image">coreServiceShell.exe</Image><!-- Event ID26== File Delete and overwrite events - Excludes --><Image condition="image">coreServiceShell.exe</Image><TargetFilename condition="contains">C:\ProgramData\Trend Micro\AMSP</TargetFilename>
Reference configuration: https://github.com/deep-security/sysmon-config/blob/master/DSSysmonConfig.xml
It is also suggested to add the following exclusions in the Process Image File list:
- ${windir}\sysmon64.exe
- ${windir}\sysmon.exe
