- Trickbot updates its VNC module for high-value targets
July 14, 2021
The Trickbot botnet malware that often distributes various ransomware strains, continues to be the most prevalent threat as its developers update the VNC module used for remote control over infected systems. Its activity has been increasing constantly since the complete disruption of the Emotet botnet in January, which acted as a distributor for both Trickbot and ...
- WildPressure targets the macOS platform
July 7, 2021
Our previous story regarding WildPressure was dedicated to their campaign against industrial-related targets in the Middle East. By keeping track of their malware in spring 2021, we were able to find a newer version. It contains the C++ Milum Trojan, a corresponding VBScript variant with the same version (1.6.1) and a set of modules that ...
- TrickBot Spruces Up Its Banking Trojan Module
July 2, 2021
The TrickBot trojan is adding man-in-the-browser (MitB) capabilities for stealing online banking credentials that resemble Zeus, the early banking trojan, researchers said — potentially signaling a coming onslaught of fraud attacks. TrickBot is a sophisticated (and common) modular threat known for stealing credentials and delivering a range of follow-on ransomware and other malware. But it started ...
- Detecting unknown threats: a honeypot how-to
June 30, 2021
Catching threats is tricky business, especially in today’s threat landscape. To tackle this problem, for many years сybersecurity researchers have been using honeypots – a well-known deception technique in the industry. Dan Demeter, Senior Security Researcher with Kaspersky’s Global Research and Analysis Team and head of Kaspersky’s honeypot project, explains what honeypots are, why they ...
- Nefilim Ransomware Attack Through a MITRE Att&ck Lens
June 28, 2021
Nefilim is among a new breed of ransomware families that use advanced techniques for a more targeted and virulent attack. It is operated by a group that we track under the intrusion set “Water Roc”. This group combines advanced techniques with legitimate tools to make them significantly harder to detect and respond before it is ...
- Malicious spam campaigns delivering banking Trojans
June 24, 2021
In mid-March 2021, we observed two new spam campaigns. The messages in both cases were written in English and contained ZIP attachments or links to ZIP files. Further research revealed that both campaigns ultimately aimed to distribute banking Trojans. The payload in most cases was IcedID (Trojan-Banker.Win32.IcedID), but we have also seen a few QBot ...
- REvil Ransomware Code Ripped Off by Rivals
June 23, 2021
They say imitation is the sincerest form of flattery: The LV ransomware, a strain that cropped up just this spring, turns out to be based on what is most likely pirated REvil ransomware code, according to researchers. A malware analysis of LV from Secureworks Counter Threat Unit (CTU) found that its operators (which it calls Gold ...
- How to confuse antimalware neural networks. Adversarial attacks and protection
June 23, 2021
Nowadays, cybersecurity companies implement a variety of methods to discover new, previously unknown malware files. Machine learning (ML) is a powerful and widely used approach for this task. At Kaspersky we have a number of complex ML models based on different file features, including models for static and dynamic detection, for processing sandbox logs and ...
- NukeSped Copies Fileless Code From Bundlore, Leaves It Unused
June 22, 2021
While investigating samples of NukeSped, a remote access trojan (RAT), Trend Micro came across several Bundlore adware samples using the same fileless routine that was spotted in NukeSped. The backdoor has been attributed to the cybercriminal group Lazarus, which has been active since at least 2014. There are multiple variants of NukeSped, which is designed ...
- ‘Oddball’ Malware Blocks Access to Pirated Software
June 18, 2021
The objective of most malware is some kind of gain — financial or otherwise — for the attackers who use it. However, researchers recently observed a unique malware with a single intent: Blocking the infected computers from visiting websites dedicated to software piracy. The malware (which SophosLabs principal researcher Andrew Brandt called “one of the strangest ...