Suspicious Child Process Of Wermgr.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious Windows Error Reporting manager (wermgr.exe) child process
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PARENTPROCESSNAME endswith "\wermgr.exe" AND PROCESSNAME endswith "\cmd.exe,\cscript.exe,\ipconfig.exe,\mshta.exe,\net.exe,\net1.exe,\netstat.exe,\nslookup.exe,\powershell_ise.exe,\powershell.exe,\pwsh.exe,\regsvr32.exe,\rundll32.exe,\systeminfo.exe,\whoami.exe,\wscript.exe") AND (PROCESSNAME notendswith "\rundll32.exe" OR (COMMANDLINE notcontains "C:\Windows\system32\WerConCpl.dll" OR COMMANDLINE notcontains "LaunchErcApp ") OR COMMANDLINE notcontains "-queuereporting,-responsepester") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems)
