Jan 11, 2022
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Hackers Distribute Malicious Version of dnSpy Malware To Attack Security Researchers

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In a recent sophisticated malware campaign, the hackers have targeted the cybersecurity researchers and developers in which they were found to be distributing a malicious version of the dnSpy app.
The malicious version of dnSpy app is a .NET application that is used by the threat actors to install the following things on the compromised systems of their victims:-
The dnSpy is a debugger that is primarily used by developers and researchers to perform the following things:-
However, the initial developers no more actively develop this debugger, but, you can find the actively developed version of it on GitHub from where anyone can clone it and modify it according to their needs.
The threat actors behind the malicious dnSpy app have created a GitHub repository in which they have crafted the malicious version of dnSpy app that delivers a set of malware like:-
The cybersecurity researchers 0day enthusiast and MalwareHunterTeam have discovered this malicious campaign, and not only that even they have also seen the changes made in the host where the dnSpy project was hosted.

To spread the malware the attackers have created a specially crafted website, “dnSpy[.]net” with an elegant design to make it look legit and professional.
Moreover, they have also performed SEO tactics and several promotions as well to optimize their malicious website and rank the website on the first page of all major search engines like:-
When the malicious dnSpy app was run, it executes a series of commands, and then with elevated permissions, it performs the following actions:-
Moreover, this malicious campaign is currently inactive, but, the developers should always stay aware of such malicious clones.
Since attacks like this are not new, and they are increasingly becoming more lucrative and sophisticated for the attackers, as they all its operators to steal sensitive data and gain access to the compromised networks of their victims.


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