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:
- JBS USA cyber attack affecting North American and Australian systems
May 31, 2021
United States-based food processing company JBS USA has confirmed falling victim to a cyber attack, with the aftermath affecting its North American and Australian systems. “On Sunday, May 30, JBS USA determined that it was the target of an organised cybersecurity attack, affecting some of the servers supporting its North American and Australian IT systems,” it ...
- Brazil approves stricter legislation to tackle online crime
May 31, 2021
The Brazilian government has passed new legislation introducing tougher measures against fraud and crimes perpetrated in the digital environments. According to the law 14.155 sanctioned last Thursday (27), the Brazilian Penal Code has been altered to add more stringent penalties in relation to device invasion, theft and misconduct in digital media environments, as well as crimes ...
- New Epsilon Red ransomware hunts unpatched Microsoft Exchange servers
May 29, 2021
A new ransomware threat calling itself Red Epsilon has been seen leveraging Microsoft Exchange server vulnerabilities to encrypt machines across the network. Epsilon Red ransomware attacks rely on more than a dozen scripts before reaching the encryption stage and also use a commercial remote desktop utility. Read more… Source: Bleeping Computer
- DarkSide on Linux: Virtual Machines Targeted
May 28, 2021
As we discussed in our previous blog, the DarkSide ransomware is targeting organizations in manufacturing, finance, and critical infrastructures in regions such as the United States, France, Belgium, and Canada. The DarkSide ransomware targets both Windows and Linux platforms. We also noticed that the Linux variant, in particular, targets ESXI servers. In this blog, we focus ...
- Asia: USD 83 million intercepted in INTERPOL operation against online financial crime
May 27, 2021
LYON, FRANCE: Amid an exponential increase in online fraud, an INTERPOL-coordinated operation codenamed HAECHI-I mobilized more than 40 specialized law enforcement officers across the Asia Pacific region. Over six months of coordinated intelligence collection and joint operations, police were able to intercept a total of USD 83 million in illicit funds transferred from victims to the ...
- Elizabethan England has nothing on modern-day Russia
May 26, 2021
The threat landscape is changing. Organizations need to defend against an ever-evolving tranche of threat actors. For a long time, the lines that distinguish state-sponsored and crimeware groups were well-defined. We believe this is no longer the case. In today’s landscape, there are groups that, although their modus operandi (MO) is consistent with crimeware groups, ...

