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:

  • National Lottery website brought down by cyber hack attack leaving thousands unable to buy tickets

    September 30, 2017

    A cyber attack brought down the the National Lottery website last night, Camelot has admitted. The website was down for more than an hour-and-a-half yesterday evening, due to a distributed denial of service (DDOS) attack – when hackers flooded the website with online traffic. A Camelot spokesperson said: “Unfortunately, as experienced by many companies, The National Lottery website was subject to ...

  • Two Danish ministries taken offline by cyber attack

    September 28, 2017

    A Turkish hacker group has claimed responsibility for a cyber attack that has rendered the Danish Ministry of Immigration website inaccessible. The Ministry of Immigration, as well as the Ministry of Foreign Affairs of Denmark, were hit Wednesday by a cyber attack thought to have come from a Turkish hacker group, reports broadcaster DR. The former ministry’s website ...

  • Researchers promise demo of ‘God-mode’ pwnage of Intel mobos

    September 26, 2017

    Security researchers say they’ve found a way to exploit Intel’s accident-prone Management Engine, and will reveal the problem at Black Hat Europe in December. Positive Technologies researchers say the exploit “allows an attacker of the machine to run unsigned code in the Platform Controller Hub on any motherboard via Skylake+”. Intel Management Engine (ME), a microcontroller that ...

  • EternalBlue Exploit Used in Retefe Banking Trojan Campaign

    September 22, 2017

    Criminals behind the Retefe banking Trojan have added a new component to their malware that uses the NSA exploit EternalBlue. The update makes Retefe the latest malware family to adopt the SMBv1 attack against a patched Windows vulnerability, and could signal an emerging trend, said researchers at Proofpoint. Earlier this year, researchers at Flashpoint observed the TrickBot ...

  • More data lost or stolen in first half of 2017 than the whole of last year

    September 20, 2017

    More data records have been lost or stolen during the first half of 2017 (1.9 billion) than all of 2016 (1.37 billion). Digital security company Gemalto’s Breach Level Index (PDF), published Wednesday, found that an average of 10.4 million records are lost or stolen every day. During the first half of 2017 there were 918 reported data ...

  • Banker helped gang launder £16m for cybercriminals

    September 20, 2017

    A gang of five men, including a corrupt banker, have pleaded guilty to their part in laundering more than £16m for international cybercriminals. Using their man on the inside at Barclays, the gang set up around 400 bank accounts over a three-year period, according to the UK’s National Crime Agency. They shuffled stolen funds through these accounts ...