- Threat Assessment: Ryuk Ransomware and Trickbot Targeting U.S. Healthcare and Public Health Sector
October 29, 2020
On Oct. 28, 2020, the Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI) and the Department of Health and Human Services (HHS) released a joint cybersecurity alert regarding an increased and imminent cybersecurity threat to the U.S. healthcare system. Threat operators have displayed a heightened interest in targeting the healthcare and the public ...
- Domain Parking: A Gateway to Attackers Spreading Emotet and Impersonating McAfee
October 29, 2020
Domain parking services offer a simple solution for domain owners to monetize their sites’ traffic through third-party advertisements. While domain parking might appear harmless at first glance, parked domains pose significant threats, as they can redirect visitors to malicious or unwanted landing pages or turn entirely malicious at any point in time. We have been detecting ...
- Emotet malware now wants you to upgrade Microsoft Word
October 24, 2020
Emotet switched to a new template this week that pretends to be a Microsoft Office message stating that Microsoft Word needs to be updated to add a new feature. Emotet is a malware infection that spreads through emails containing Word documents with malicious macros. When opening these documents, their contents will try to trick the user ...
- New Abaddon RAT malware gets commands via Discord, has ransomware feature
October 23, 2020
The new ‘Abaddon’ remote access trojan may be the first to use Discord as a full-fledged command and control server that instructs the malware on what tasks to perform on an infected PC. Even worse, a ransomware feature is being developed for the malware. Threat actors abusing Discord for malicious activity is nothing new. In the past, ...
- US Treasury sanctions Russian research institute behind Triton malware
October 23, 2020
The US Treasury Department announced sanctions today against a Russian research institute for its role in developing Triton, a malware strain designed to attack industrial equipment. Sanctions were levied today against the State Research Center of the Russian Federation FGUP Central Scientific Research Institute of Chemistry and Mechanics (also known as CNIIHM or TsNIIKhM). A FireEye report ...
- Wireshark Tutorial: Examining Dridex Infection Traffic
October 23, 2020
This tutorial is designed for security professionals who investigate suspicious network activity and review network packet captures (pcaps). Familiarity with Wireshark is necessary to understand this tutorial, which focuses on Wireshark version 3.x. Dridex is the name for a family of information-stealing malware that has also been described as a banking Trojan. This malware first appeared ...
- On the trail of the XMRig miner
October 22, 2020
As protection methods improve, the developers of miners have had to enhance their own creations, often turning to non-trivial solutions. Several such solutions (previously unseen by us) were detected during our analysis of the open source miner XMRig. How it all began: ransominer Alongside well-known groups that make money from data theft and ransomware (for example, Maze, ...
- Life of Maze ransomware
October 21, 2020
In the past year, Maze ransomware has become one of the most notorious malware families threatening businesses and large organizations. Dozens of organizations have fallen victim to this vile malware, including LG, Southwire, and the City of Pensacola. The history of this ransomware began in the first half of 2019, and back then it didn’t have ...
- TrickBot malware under siege from all sides, and it’s working
October 20, 2020
The Trickbot malware operation is on the brink of completely shutting down following efforts from an alliance of cybersecurity and hosting providers targeting the botnet’s command and control servers. Initial disruption actions seemed to leave the botnet unphased as its operators were able to rebuild the infrastructure and the network of infected computers. Although the battle is ...
- Vizom malware uses remote overlay attacks to hijack your bank account
October 19, 2020
Researchers have uncovered a new form of malware using remote overlay attacks to strike Brazilian bank account holders. The new malware variant, dubbed Vizom by IBM, is being utilized in an active campaign across Brazil designed to compromise bank accounts via online financial services. On Tuesday, IBM security researchers Chen Nahman, Ofir Ozer, and Limor Kessem said ...