- New PetitPotam attack allows take over of Windows domains
July 23, 2021
A new NTLM relay attack called PetitPotam has been discovered that allows threat actors to take over a domain controller, and thus an entire Windows domain. Many organizations utilize Microsoft Active Directory Certificate Services, which is a public key infrastructure (PKI) server that can be used to authenticate users, services, and machines on a Windows domain. Read ...
- FIN7’s Liquor Lure Compromises Law Firm with Backdoor
July 23, 2021
Financial cybercrime gang FIN7 has rebounded after the jailing of some key members, launching a campaign that uses as a lure a legal complaint involving the liquor company that owns Jack Daniels whiskey. The gambit successfully compromised at least one law firm, giving them a shot of the JSSLoader remote-access trojan (RAT), researchers said. According to ...
- StrongPity APT Group Deploys Android Malware for the First Time
July 21, 2021
We recently conducted an investigation into a malicious Android malware sample, which we believe can be attributed to the StrongPity APT group, that was posted on the Syrian e-Gov website. To the best of our knowledge, this is the first time that the group has been publicly observed using malicious Android applications as part of ...
- Windows 0-Days Used Against Dissidents in Israeli Broker’s Spyware
July 16, 2021
A set of unique spyware strains created by an Israeli firm and allegedly used by governments around the world to surveil dissidents has been defanged by Microsoft, the software giant said. The private company, called variously Candiru, Grindavik, Saito Tech and Taveta (and dubbed “Sourgum” by Microsoft), reportedly sells its wares exclusively to governments, according to ...
- Toddler mobile banking malware surges across Europe
July 16, 2021
Researchers have provided a deep dive into Toddler, a new Android banking Trojan that is surging across Europe. In a report shared with ZDNet, the PRODAFT Threat Intelligence (PTI) team said that the malware, also known as TeaBot/Anatsa, is part of a rising trend of mobile banking malware attacking countries, including Spain, Germany, Switzerland, and the ...
- 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 ...
- Bash Ransomware DarkRadiation Targets Red Hat- and Debian-based Linux Distributions
June 17, 2021
A recently discovered Bash ransomware piqued our interest in multiple ways. Upon investigating, we found that the attack chain is fully implemented as a bash script, but it also seems that the scripts are still under development. Most components of this attack mainly target Red Hat and CentOS Linux distributions; however, in some scripts Debian-based Linux ...
- Matanbuchus: Malware-as-a-Service with Demonic Intentions
June 16, 2021
Unit 42 researchers often spend time investigating what we call non-traditional sources. Non-traditional sources often include underground marketplaces and sites, spanning from forums on the Tor network to Telegram channels and other marketplaces. One such case that we investigated involves a threat actor called BelialDemon, who is a member of several underground forums and marketplaces. In ...
- Ferocious Kitten: 6 years of covert surveillance in Iran
June 16, 2021
Ferocious Kitten is an APT group that since at least 2015 has been targeting Persian-speaking individuals who appear to be based in Iran. Although it has been active for a long time, the group has mostly operated under the radar and has not been covered by security researchers to the best of our knowledge. It ...
- Paradise Ransomware source code released on a hacking forum
June 15, 2021
The complete source code for the Paradise Ransomware has been released on a hacking forum allowing any would-be cyber criminal to develop their own customized ransomware operation. Released on the hacking forum XSS, the link to the source code is only accessible to active users on the site who have previously replied to or reacted to ...
- Custom Malware Collects Billions of Stolen Data Points
June 9, 2021
Researchers have uncovered a 1.2-terabyte database of stolen data, lifted from 3.2 million Windows-based computers over the course of two years by an unknown, custom malware. The heisted info includes 6.6 million files and 26 million credentials, and 2 billion web login cookies – with 400 million of the latter still valid at the time ...
