Maverick: a new banking Trojan abusing WhatsApp in a mass-scale distribution


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:

  • Avaddon ransomware fixes flaw allowing free decryption

    February 11, 2021

    The Avaddon ransomware gang has fixed a bug that let victims recover their files without paying the ransom. The flaw came to light after a security researcher exploited it to create a decryptor. On Tuesday, Javier Yuste, a Ph.D. student at Rey Juan Carlos University, published a decryptor for the Avaddon Ransomware on his GitHub page ...

  • British cyber gang ‘stole large amounts from US sports and music stars after accessing their phones’

    February 10, 2021

    Eight Britons have been arrested for hacking into the phones of US celebrities to steal money and personal information – even posing as them online. Britain’s National Crime Agency (NCA) said sports stars, musicians and their families had been targeted by the scam in which criminals gain access to their victim’s phones or accounts. This allowed them ...

  • Web hosting provider shuts down after cyberattack

    February 9, 2021

    A web hosting company named No Support Linux Hosting announced today it was shutting down after a hacker breached its internal systems and compromised its entire operation. According to a message posted on its official site , the company said it was breached on Monday, February 8. The hacker appears to have “compromised” the company’s entire ...

  • Billions of Passwords Offered for $2 in Cyber-Underground

    February 8, 2021

    A “compilation of many breaches” – COMB for short – has been leaked on the cyber-underground, according to researchers. The so-called COMB contains a staggering 3.27 billion unique combinations of cleartext email addresses and passwords. The trove is an aggregate database that brings together older stolen data from breaches past – including credentials from Netflix, LinkedIn, ...

  • Eletrobras, Copel energy companies hit by ransomware attacks

    February 5, 2021

    Centrais Eletricas Brasileiras (Eletrobras) and Companhia Paranaense de Energia (Copel), two major electric utilities companies in Brazil have announced that they suffered ransomware attacks over the past week. State-controlled, both are key players in the country. Copel being the largest in the state of Paraná while Eletrobras is the largest power utility company in Latin America ...

  • The State Of Ransomware, 2020’s Catch-22

    February 3, 2021

    A ransomware infection can put organizations in difficult situations. The damage that WannaCry and Petya have caused has made people more wary, leading to stricter and more consistent security measures against a constant threat. Developments in ransomware over the past year have made dealing with ransomware not only difficult but also a delicate matter. Aside ...