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Powershell run an executable which that is executed csrss and wininit


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I was analysing a machine which I find out a malicious or at least unusul activity. There is a powershell.exe process which is parnet of a conhost.exe process. In the further analysis, I find out this conhost.exe process was parent of csrss and wininit processes. So I wanted to know, this activity can be malicious? if yes, how can I find out more information about these process? I have a memory dump from that machine and also volatility tool for analysis. 

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Hello, @tlightning  :welcome:
I can guide you to see if there is an actual malware infection. I do have some first questions:

  • Is this your machine ?
  • Do you have direct physical access to it ?
  • Windows version is ?
  • Is this machine a home-user type ? ( as opposed to say, a corporate or organization machine ? )
  • Have you scanned the system with Malwarebytes ?
  • Have you scanned with antivirus ? Microsoft Defender for example.

Please carefully follow the instructions within the following:

I'm infected - What do I do now?

Remember, please be certain to attach (not Copy and Paste) the three (3) resulting report files in your next reply to this topic.

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Good afternoon @tlightning You should have had several notices of my replies to your case. Just to let you know, if it happens that I do not hear back from you by mid-day Monday, that I will need to mark this case as abandoned by you, and will close this.

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Due to the lack of feedback, this topic is closed to prevent others from posting here.

If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this topic with your request.

This applies only to the originator of this topic. Other members who need assistance please start your own topic in a new thread.

Tips to help protect from infection

Thanks

 

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