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:
- Kmart, Latest Victim of Egregor Ransomware
December 3, 2020
Retail stalwart Kmart has suffered a ransomware attack at the hands of the Egregor gang, according to a report. The incident has encrypted devices and servers connected to the company’s networks, knocking out back-end services, according to BleepingComputer. The outlet obtained the purported ransom note that claims to have compromised Kmart’s Windows domain. The company was purchased ...
- K12 online schooling giant pays Ryuk ransomware to stop data leak
December 2, 2020
Online education giant K12 Inc. has paid a ransom after their systems were hit by Ryuk ransomware in the middle of November. K12 creates tailored online learning curriculums for students to learn from home while in kindergarten through 12th grade. Over 1 million students have utilized K12 to learn from home rather than in traditional public ...
- Brazilian aerospace firm Embraer hit by cyberattack
December 2, 2020
Brazilian aerospace and defence group Embraer has been targeted by a cyberattack that has impacted the company’s operations. According to a statement released by the global firm on Monday (30) the attack resulted in the “disclosure of data allegedly attributed to the company”. The incident was reported five days after it took place to the Brazilian Securities ...
- Cyberespionage APT group hides behind cryptomining campaigns
December 2, 2020
An advanced threat group called Bismuth recently used cryptocurrency mining as a way to hide the purpose of their activity and to avoid triggering high-priority alerts. Coin mining is typically regarded as a non-critical security issue, so the method allowed the actor to establish persistence and move laterally on the compromised network, at the same time ...
- The Impact of Modern Ransomware on Manufacturing Networks
December 1, 2020
Ransomware threats have disrupted the manufacturing industry significantly in 2020. In a disturbing trend during the third quarter of the year, attackers appeared to be singling out manufacturing organizations as a victim of choice in their ransomware operations. Ransomware threats have disrupted the manufacturing industry significantly in 2020. These attacks have resulted in substantial losses in ...
- Malicious npm packages caught installing remote access trojans
December 1, 2020
The security team behind the “npm” repository for JavaScript libraries removed two npm packages this Monday for containing malicious code that installed a remote access trojan (RAT) on the computers of developers working on JavaScript projects. The name of the two packages was jdb.js and db-json.js., and both were created by the same author and described ...

