Not quite an Easter egg: a new family of Trojan subscribers on Google Play
The new Trojan family, Fleckpe, spreads via Google Play inside photo editors and wallpapers, subscribing the unaware user to paid services.
Malware Descriptions
Tomiris called, they want their Turla malware back
We continued to track Tomiris as a separate threat actor over three new attack campaigns between 2021 and 2023, and our telemetry allowed us to shed light on the group. In this blog post, we’re excited to share what we now know of Tomiris with the broader community, and discuss further evidence of a possible connection to Turla.
QBot banker delivered through business correspondence
In early April, we detected a significant increase in attacks that use banking Trojans of the QBot family (aka QakBot, QuackBot, and Pinkslipbot). The malware would be delivered through e-mails that were based on real business letters the attackers had gotten access to.
Uncommon infection methods—part 2
Kaspersky researchers discuss infection methods used by Mirai-based RapperBot, Rhadamantys stealer, and CUEMiner: smart brute forcing, malvertising, and distribution through BitTorrent and OneDrive.
Following the Lazarus group by tracking DeathNote campaign
The Lazarus group is a high-profile Korean-speaking threat actor with multiple sub-campaigns. In this blog, we’ll focus on an active cluster that we dubbed DeathNote.
Nokoyawa ransomware attacks with Windows zero-day
In February 2023, we found a zero-day exploit, supporting different versions and builds of Windows, including Windows 11. This particular zero-day was used by a sophisticated cybercrime group that carries out ransomware attacks.
Overview of Google Play threats sold on the dark web
Kaspersky research into dark web offers related to Android malware and its distribution via Google Play: hacked app developer accounts, malicious loaders, etc.
Not just an infostealer: Gopuram backdoor deployed through 3CX supply chain attack
A DLL named guard64.dll, which was loaded into the infected 3CXDesktopApp.exe process, was used in recent deployments of a backdoor that we dubbed “Gopuram” and had been tracking internally since 2020.
Copy-paste heist or clipboard-injector attacks on cryptousers
Clipboard injector malware targeting cryptocurrencies such as Bitcoin, Ethereum, Litecoin, Dogecoin and Monero, is distributed under the guise of Tor Browser.
Bad magic: new APT found in the area of Russo-Ukrainian conflict
In October 2022, we identified an active infection of government, agriculture and transportation organizations located in the Donetsk, Lugansk, and Crimea regions.