A malware campaign was recently detected in Brazil, distributing a malicious LNK file using WhatsApp. It targets mainly Brazilians and uses Portuguese-named URLs.
To evade detection, the command-and-control (C2) server verifies each download to ensure it originates from the malware itself. The whole infection chain is complex and fully fileless, and by the end, it will deliver a new banking Trojan named Maverick, which contains many code overlaps with Coyote. In this blog post, we detail the entire infection chain, encryption algorithm, and its targets, as well as discuss the similarities with known threats.
Read more…
Source: Kaspersky
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Mobile malware evolution 2020
March 1, 2021
In their campaigns to infect mobile devices, cybercriminals always resort to social engineering tools, the most common of these passing a malicious application off as another, popular and desirable one. All they need to do is correctly identify the application, or at least, the type of applications, that are currently in demand. Therefore, attackers constantly ...
- World’s leading dairy group Lactalis hit by cyberattack
March 1, 2021
Lactalis, the world’s leading dairy group, has disclosed a cyberattack after unknown threat actors have breached some of the company’s systems. Lactalis (short for Lactalis Group) has 85,000 employees in 51 countries, and it exports dairy products to over 100 countries around the world. The dairy group controls multiple leading international brands, including Président, Galbani, Lactel, Santal, ...
- Hackers use black hat SEO to push ransomware, trojans via Google
March 1, 2021
The delivery system for the Gootkit information stealer has evolved into a complex and stealthy framework, which earned it the name Gootloader, and is now pushing a wider variety of malware via hacked WordPress sites and malicious SEO techniques for Google results. Apart from increasing the number of payloads, Gootloader has been seen distributing them across ...
- Passwords, Private Posts Exposed in Hack of Gab Social Network
March 1, 2021
Distributed Denial of Secrets (DDoSecrets), a self-proclaimed “transparency collective,” claim they have received more than 70 gigabytes of data exfiltrated from social media network Gab. Gab, which touts itself as “a social network that champions free speech, individual liberty and the free flow of information online” has drawn in various alt-right and far-right users. A hacker ...
- Bad bots are on the attack, and your defence plan is probably wrong
March 1, 2021
Google is warning that bots are causing more problems for business — but many companies are only focused on the most obvious attacks. At the outset of the COVID-19 pandemic Microsoft chief Satya Nadella said Microsoft had seen “two years’ worth of digital transformation in two months.” Google now sees that attackers have adapted to these ...
- Universal Health Services lost $67 million due to Ryuk ransomware attack
March 1, 2021
Universal Health Services (UHS) said that the Ryuk ransomware attack it suffered during September 2020 had an estimated impact of $67 million. UHS, a Fortune 500 hospital and healthcare services provider, has over 90,000 employees who provide services to roughly 3.5 million patients each year in more than 400 US and UK healthcare facilities. UHS said last ...