This malware has been involved in ransomware and data theft attacks and in some cases, its operators stole and auctioned off sensitive data on the internet when they were not able to coerce victims to pay up. Change ). The Sodinokibi/REvil ransomware was first spotted exploiting CVE-2018-8453 in 2019 in multiple attacks in the Asia-Pacific region, including Taiwan, Hong Kong, and South Korea. Some attacks involved ransom demands of more … Our team recently investigated the prominent ransomware attacks reported since the beginning of 2020 in order to draw general conclusions about these attacks and to reveal commonalities between them. In recent months, security researchers reported exploitation attempts for the CVE-2012-0158 vulnerability in COVID-19-related attacks. The CVE-2018-8453 resides in the win32k.sys component of Windows, since it fails to properly handle objects in memory. This suggests the attackers discovered the vulnerability even earlier.

It is capable of downloading and executing additional payloads, establishing persistence and communicating over the HTTPS protocol. In addition, in June 2020, the operators of the Black Kingdom ransomware reportedly attempted to exploit the vulnerability as well. A very interesting finding our investigation uncovered was that the operators behind these ransomware attacks commonly abused four notable vulnerabilities, that will be elaborately discussed in this blog post. Paying a ransom doesn’t guarantee you or your organization will get any data back. ET on Sep. 30, 2020. One of the campaigns included infection attempts with the EDA2 ransomware, a strain of a wider ransomware family, known as HiddenTear. Here they are: The four top vulnerabilities abused in 2020 ransomware attacks (ordered from the most abused one): The CVE-2019-19781 vulnerability affects remote access appliances manufactured by Citrix, whose products are used by numerous organizations. Ransomware attack methods in 2020 have in many ways put victims in a more difficult position than we have observed previously. While examining approximately 180 different ransomware incidents, we found that the most targeted sectors were Technology (11%), Government (10%), Critical Infrastructure (8.6%), Healthcare and Pharmaceutical (8%), Transportation (7%), Manufacturing (6%), Financial Services (5%) and Education (4%). Learn more about X-Force’s threat intelligence and incident response services. These account for nearly a quarter of all the incidents responded to so far this year. In two incidents, the attackers gained domain admin privileges and used an open-source remote access software, VNC, to perform lateral movement on the targeted network. Meanwhile, ransomware threat actors are adjusting their attack model to adapt to improvements that organizations are making to recover from these attacks. Change ), You are commenting using your Twitter account. This trend forces security management to re-assess risk and adjust incident response, disaster recovery and business continuity plans accordingly. Government organizations follow in third place at 13% of attacks. The vulnerability affects Citrix Application Delivery Controller (ADC), formerly known as NetScaler ADC. In addition, the malware searches for several hardcoded ICS-related processes to terminate before the encryption process takes place. They account for 33% and 30%, respectively of ransomware engagements that IBM Security X-Force has responded to in 2020.

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