North Korean Hacker Group Uses Browser Exploits card dumps with pin, cc warehouse creations
The security experts of the cybersecurity firm, Volexity have recently reported an attack through which the North Korean Hacker Group using browser exploits to deploy the customer malware on the website.
It’s a very well-known North Korean hacker group that was behind this attack, not only this but they also have a limited number of victims utilizing exploits for vulnerabilities in a web browser to deliver custom malware.
According to the security researchers, in April 2021 Volexity has recognized suspicious code that was loaded through www.dailynk[.]com to ill-disposed subdomains of jquery[.]services.
There are two types of URLs that have been found, and that’s why we have mentioned them below:-
The threat actors’ attacks have involved code that was only attached for a very short period of time, and soon after the operation, it was quickly removed.
According to the report of the analysts, making a description of this activity is quite difficult as the ill-disposed content was hard to identify.
Initially, Volexity was able to recognize the malicious code, and the threat actor was seen using the CVE-2020-1380, an exploit for Internet Explorer.
This CVE was used, in another exploit that is targeting the Internet Explorer as well as the legacy versions of Microsoft Edge. However, the redirect code was fixed up in a similar way as it was placed in the CVE-2020-1380.
Below we have mentioned the subdirectory names used by the hackers:-
Here’s the list of data that were gathered by the threat actors:-
The threat actors have implemented many attacks, and that’s why they have used a different subdomain of jquery[.]services so that they can host a new and novel malware family.
The security researchers pronounced that the “history” file was an XOR-encoded (0xCF) copy of a custom malware family and both the malware developer as well as the Volexity assign to as BLUELIGHT.
The BLUELIGHT is generally used as a secondary payload that normally follows the successful performance of the Cobalt Strike . However, these strikes were generally used as an initial payload in both cases of exploitation.
In BLUELIGHT’s operations, the threat actors generally used the Microsoft Graph API for Microsoft 365, Office, and other services. As per the report of Volexity, a North Korean threat group, named as ScarCruft or APT37 , is also behind the InkySquid attacks.
Moreover, the experts are trying their best to know all the key details of this attack, and how it has been initiated so that they will easily bypass this kind of attack in the future.
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