By Alberto Pelliccione, CEO – ReaQta The Revil hacker group managed to obtain a 0-Day to gain access to Kaseya VSA, a management software for IT infrastructures, using it as a conduit to spread ransomware to those MSPs using the platform. Supply-chain attacks are extremely effective and such threats are rising in frequency and complexity. […]
Category Archives: Ransomware
Understanding the Avaddon Ransomware: Is your organization equipped to stop zero-day threats?
Recently, The Financial Times reported that Asian subsidiaries of a French Global insurance company were hit by a latest ransomware attack known as Avaddon. Attackers seized 3TB of data, impacting IT operations in Thailand, Malaysia, Hong Kong and the Philippines, taking hold of sensitive information like medical records and hospital data. What is Avaddon ransomware […]
ReaQta Launches ReaQta-EON and Hive-Guard
Introducing two new additions to the ReaQta suite of solutions, ReaQta-EON and Hive Guard.
Attackers are Starting to Exploit Vulnerable Drivers – Are Defenders Ready?
Criminal actors are now using a bug in a legitimate driver to launch RobbinHood, a new type of ransomware that can escape detection as it operates at kernel level. Understanding how RobbinHood works is key to understanding how to stop novel kind of attacks relying on trusted components.
Locky Dropper Now Comes Embedded in the Loader
We have noticed a change of behaviour in the latest spam email campaigns used by Locky. Since its first release Locky took advantage of compromised domains to download the dropper binary, while recently Locky dropper is being delivered embedded into the loader code itself. By tracking these campaigns we have also noticed that Locky’s authors have made […]
RAA – An entirely new JS ransomware delivering Pony malware
On 13th of June, while monitoring Twitter, we have observed an interesting tweet that reported a suspicious domain with an open directory listing. Among the listed files we found a zip archive containing a javascript. In this blogpost we will take a closer look at the javascript and we will show that it has ransomware capabilities, which […]
Nemucod meets a new buddy: PHP
We have already written about Nemucod downloader when it was paired with 7-Zip, this time we have spotted a new variant in the wild that appears to be a further evolution from previous versions. Before we dig into the analysis part, let’s take a quick look at the most recent history of Nemucod:
Locky Ransomware Shipping With a New Loader
ReaQta has been monitoring a new and massive worldwide Locky ransomware spam campaign. The attacks are carried out in the usual way: a javascript file attached to an email message delivered to the victims, although this is the first campaign we have tracked that shows a different deployment behaviour. The javascript downloader usually retrieves Locky’s dropper […]
Uncovering a ransomware distribution operation – Part 2
In Part 1 we’ve analyzed a vast Crypt0L0cker ransomware distribution operation currently affecting continental Europe and ready to jump to new countries. In this second post we’ll analyze in detail the server side code used to dispatch the victims towards the correct websites, up to the ransomware itself. We’ll also analyze the ransomware behaviour and how […]
Nemucod meets 7-Zip to launch ransomware attacks
Nemucod is a Javascript downloader used to perform all kind of nasty stuff, recently a “ransomware” routine has been found in some samples, even if a simple one: a XOR with a predefined 255 bytes key. In other instances we have observed the download of a malicious executable responsible for the encryption process. What we will analyze this […]
