Introduction
Information stealers, which are used to collect credentials to then sell them on the dark web or use in subsequent cyberattacks, are actively distributed by cybercriminals. Some of them are available through a monthly subscription model, thus attracting novice cybercriminals. According to Kaspersky Digital Footprint Intelligence, almost 10 million devices, both personal and corporate, were attacked by information stealers in 2023. That said, the real number of the attacked devices may be even higher, as not all stealer operators publish all their logs immediately after stealing data.
This year, we analyzed quite a few previously known and new stealers, which we described in detail in our private reports. You will find a few excerpts from these below. To learn more about our crimeware reporting service, contact us at [email protected].
Kral
In mid-2023, we discovered the Kral downloader which, back then, downloaded the notorious Aurora stealer. This changed in February this year when we discovered a new Kral stealer, which we believe is part of the same malware family as the downloader due to certain code similarities.
The Kral stealer is delivered solely by the Kral downloader. The downloader itself sneaks onto the user’s device when a potential victim visits an adult website that embeds malicious ads. These redirect the victim to a phishing page which offers them to download a file. That file is the Kral downloader. Back in 2023, the downloader was written in a combination of C++ and Delphi, which resulted in relatively large samples. These days, the downloader is solely wr ..
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