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 ID
1
== Process Creation - Excludes -->
<ParentImage condition=
"image"
>coreServiceShell.exe</ParentImage>
<Image condition=
"image"
>dsa.exe</Image>
<Image condition=
"image"
>coreServiceShell.exe</Image>
<!-- Event ID
2
== File Creation Time - Excludes -->
<Image condition=
"image"
>coreServiceShell.exe</Image>
<TargetFilename condition=
"contains"
>C:\ProgramData\Trend Micro\AMSP</TargetFilename>
<!-- Event ID
3
== Network Connection - Excludes -->
<Image condition=
"image"
>coreServiceShell.exe</Image>
<Image condition=
"image"
>dsa.exe</Image>
<!-- Event ID
10
== 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 ID
11
== FileCreate - Excludes -->
<Image condition=
"image"
>coreServiceShell.exe</Image>
<TargetFilename condition=
"contains"
>C:\ProgramData\Trend Micro\AMSP</TargetFilename>
<Image condition=
"image"
>dsa.exe</Image>
<!-- Event ID
12
,
13
,
14
== RegObject added/deleted, RegValue Set, RegObject Renamed - Excludes -->
<Image condition=
"image"
>dsa.exe</Image>
<Image condition=
"image"
>coreServiceShell.exe</Image>
<!-- Event ID
17
,
18
== PipeEvent. Log Named pipe created & Named pipe connected - Excludes -->
<Image condition=
"image"
>coreServiceShell.exe</Image>
<!-- Event ID
22
== DNS Queries and their results Excludes -->
<Image condition=
"image"
>coreServiceShell.exe</Image>
<!-- Event ID
23
== File Delete and overwrite events - Excludes -->
<Image condition=
"image"
>coreServiceShell.exe</Image>
<!-- Event ID
25
== Process tampering events - Excludes -->
<Image condition=
"image"
>coreServiceShell.exe</Image>
<!-- Event ID
26
== 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