Estimated reading time: 2 minutes
Since last two days, the Internet is rife with news around a critical remote code execution vulnerability in SMBv3.1.1 compression mechanism. Today, on 12th March 2020 Microsoft has released an emergency out-of-band patch to address this vulnerability. As per Microsoft release information, it’s a remote code execution vulnerability in the...Malware
Ouroboros: Following A New Trend In Ransomware League
Estimated reading time: 5 minutes
Ransomware authors keep exploring new ways to test their strengths against various malware evasion techniques. The ransomware known as “Ouroboros” is intensifying its footprint in the field by bringing more and more advancements in its behavior as it updates its version. This analysis provides the behaviour of version 6, few...A Deep Dive Into Wakeup On Lan (WoL) Implementation of Ryuk
Estimated reading time: 5 minutes
Quick Heal Security Labs recently came across a variant of Ryuk Ransomware which contains an additional feature of identifying and encrypting systems in a Local Area Network (LAN). This sample targets the systems which are present in sleep as well as the online state in the LAN. This sample is packed with...Hackers are riding on the global panic pertaining to the deadly Coronavirus
Estimated reading time: 3 minutes
Very recently, the Coronavirus that apparently originated from the Wuhan province in China has created pandemonium across the world creating an atmosphere of a health crisis for the global populace. As the news of the deadly Coronavirus creates waves of panic across the globe, cyberattackers are lurking into this phenomenon...Trinity Miner using open ADB port to target IoT devices
Estimated reading time: 6 minutes
In the 21st century, life is becoming smart and evolving at a fast pace. Even day to day gadgets are becoming smarter. All these IoT devices are powered by ARM-based processor and run on android and unix operating system. These IoT devices include mobiles, smart T.V., routers, IP cameras and...APT-27 like Newcore RAT, Virut exploiting MySQL for targeted attacks on enterprise
Estimated reading time: 7 minutes
In today’s world data is everything, and to store and process this large amount of data, everyone started using computing devices. Database servers which are used for storing this precious data on computing devices include MySQL, MongoDB, MSSQL, etc. But unfortunately, not everyone is conscious about its security. In fact, approximately...JCry – A Ransomware written in Golang!
Estimated reading time: 4 minutes
For several months, QH Labs has been observing an upswing in ransomware activity. We found a new ransomware which is written in Go lang. Malware authors are finding it easy to write ransomware in Go lang rather than traditional programming languages. Infection of Jcry ransomware starts with a compromised website. As...Malspam email – Jack of all malware, master of none.
Estimated reading time: 4 minutes
Malspam email or malicious spam emails are considered to be one of the favorite malware delivery channels for the attackers to deliver the malware to targeted victims. Attackers also run spam email campaigns to distribute their malware to a large number of users. For attackers to succeed, two things are...Obfuscated Equation Editor Exploit (CVE-2017-11882) spreading Hawkeye Keylogger
Estimated reading time: 6 minutes
Cyber-attacks through phishing emails are increasing and generally, attackers use DOC embedded macros to infiltrate victim’s machine. Recently Quick Heal Security Labs came across a Phishing e-mail sample which uses Microsoft’s equation editor exploit to spread Hawkeye keylogger. Cybercriminals use different techniques to steal confidential data. Now they are offering...Again! A New .NET Ransomware Shrug2
Estimated reading time: 5 minutes
For several months, Quick Heal Security Labs has been observing an increase in ransomware which are built in .NET framework. Ransomware like SamSam, Lime and now Shrug was found to be built in .NET framework. Malware authors are finding it very easy to build and obfuscate malware in .NET framework rather than making them in...