- Atomic Stealer rings in the new year with updated version
January 10, 2024
Last year, Malwarebytes Labs researchers documented malware distribution campaigns both via malvertising and compromised sites delivering Atomic Stealer (AMOS) onto Mac users. This stealer has proven to be quite popular in the criminal underground and its developers have been adding new features to justify its hefty $3000/month rental fee. It looks like Atomic Stealer was updated ...
- Linux devices are under attack by a never-before-seen worm
January 10, 2024
For the past year, previously unknown self-replicating malware has been compromising Linux devices around the world and installing cryptomining malware that takes unusual steps to conceal its inner workings, researchers said. The worm is a customized version of Mirai, the botnet malware that infects Linux-based servers, routers, web cameras, and other so-called Internet of Things devices. ...
- Dutch national sabotaged nuclear facility in Iran: Report
January 9, 2024
A man who worked for Dutch intelligence in 2005 sabotaged an Iranian nuclear facility without the knowledge of the Dutch government, a media report said Monday. Dutch national Erik van Sabben was recruited in 2005 by the General Intelligence and Security Service (AIVD), the daily Volkskrant revealed. Van Sabben, whose spouse is Iranian, infiltrated a nuclear ...
- .NET Hooking – Harmonizing Managed Territory
January 8, 2024
For a malware researcher, analyst, or reverse engineer, the ability to alter the functionality of certain parts of code is a crucial step, often necessary to reach a meaningful result during the analysis process. This kind of code instrumentation is usually reached by debugging, DBI (Dynamic Binary Instrumentation), or a simple hooking framework. Managing the code ...
- Deceptive Cracked Software Spreads Lumma Variant on YouTube
January 8, 2024
FortiGuard Labs recently discovered a threat group using YouTube channels to distribute a Lumma Stealer variant. We found and reported on a similar attack method via YouTube in March 2023. These YouTube videos typically feature content related to cracked applications, presenting users with similar installation guides and incorporating malicious URLs often shortened using services like TinyURL ...
- Tackling Anti-Analysis Techniques of GuLoader and RedLine Stealer
January 5, 2024
Malware, like many complex software systems, relies on the concept of software configuration. Configurations establish guidelines for malware behavior and they are a common feature among the various malware families Unit 42 examine. The configuration data embedded within malware can offer invaluable insights into the intentions of cybercriminals. However, due to its significance, malware authors deliberately ...
- Three New Malicious PyPI Packages Deploy CoinMiner on Linux Devices
January 3, 2024
On December 5th, 2023, FortiGuard’s AI-driven OSS malware detection system identified three intriguing PyPI (Python Package Index) packages. These packages, upon initial use, deploy a CoinMiner executable on Linux devices. Leveraging our historical malware database, Fortinet researchers noted that the indicators of compromise (IoCs) for these packages bear a resemblance to the “culturestreak” PyPI package discovered ...
- Financially motivated threat actors misusing App Installer
December 28, 2023
Since mid-November 2023, Microsoft Threat Intelligence has observed threat actors, including financially motivated actors like Storm-0569, Storm-1113, Sangria Tempest, and Storm-1674, utilizing the ms-appinstaller URI scheme (App Installer) to distribute malware. In addition to ensuring that customers are protected from observed attacker activity, Microsoft investigated the use of App Installer in these attacks. In response to ...
- Israel’s Cyber Directorate warns of phishing attack by Iran-based hacking squad
December 26, 2023
Israel’s National Cyber Directorate issued a statement Tuesday warning of a phishing attack by Iranian hackers. Posing as American network security conglomerate F5, Iranian hackers sent an email to IT officials in multiple Israeli companies with instructions to download what seems like an update, but is actually malware, said the directorate. Working with an unnamed commercial ...
- Bandook – A Persistent Threat That Keeps Evolving
December 21, 2023
Bandook malware is a remote access trojan that has been continuously developed since it was first detected in 2007. It has been used in various campaigns by different threat actors over the years. FortiGuard Labs identified a new Bandook variant being distributed via a PDF file this past October. This PDF file contains a shortened URL ...