New Chrome Password Stealer Sends Stolen Data to a MongoDB Database
While this is nothing unique, what stands out is that the malware uses a remote MongoDB database to store the stolen passwords. This trojan is called CStealer, and like many other info-stealing trojans, was created to target and steal login credentials that were saved in Google Chrome's password manager. Instead of compiling the stolen passwords into a file and sending them to a C2 under the attackers control, the malware connects directly to a remote MongoDB database and uses it to store the stolen credentials. To do this, the malware includes hardcoded MongoDB credentials and utilizes the MongoDB C Driver as a client library to connect to the database. Hardcoded MongoDB Credentials When passwords are stolen, the malware will connect to the database and store the passwords as seen by the network traffic created after it was tested by James. Anyone analyzing this malware, whether it be law enforcement, researchers, or other threat actors, can retrieve the hard coded credentials and use them to gain access to the stolen credentials.
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