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Home Alerts

Vanilla Tempest Targets US Healthcare Sector

September 19, 2024
Reading Time: 2 mins read
in Alerts
Vanilla Tempest Targets US Healthcare Sector

Microsoft has raised alarms about the increasing threat posed by the ransomware affiliate known as Vanilla Tempest, which is now actively targeting U.S. healthcare organizations with its INC ransomware. This operation, which emerged in July 2023, is part of a broader trend where ransomware-as-a-service (RaaS) models are being utilized by cybercriminals to exploit vulnerable sectors. Vanilla Tempest is particularly notorious for its sophisticated tactics and has been linked to various high-profile attacks on both public and private institutions.

The modus operandi of Vanilla Tempest involves gaining initial access to networks through the use of the Gootloader malware downloader. Once inside, attackers deploy additional malware, such as Supper, and utilize legitimate remote tools like AnyDesk and MEGA for data synchronization. This strategic approach allows them to navigate systems undetected while preparing for the deployment of INC ransomware. By leveraging Remote Desktop Protocol (RDP) and the Windows Management Instrumentation Provider Host, they are able to move laterally within the victim’s network to maximize the impact of their attack.

Although Microsoft has not publicly identified the specific healthcare organization affected by the recent attack, a similar strain of ransomware has been connected to a prior cyber incident involving Michigan’s McLaren Health Care hospitals. That attack resulted in significant disruptions to IT and phone systems, compromising access to vital patient information and necessitating the rescheduling of non-emergent procedures. Such incidents highlight the critical need for robust cybersecurity measures within healthcare organizations, where the stakes are particularly high due to the sensitive nature of patient data.

Vanilla Tempest, which has been active since at least June 2021, has also been previously tracked under aliases like DEV-0832 and Vice Society. This threat actor is known for its extensive targeting of various sectors, including healthcare, education, and manufacturing, utilizing a range of ransomware strains such as BlackCat and Quantum Locker. As the threat landscape continues to evolve, organizations must remain vigilant and proactive in enhancing their cybersecurity defenses to mitigate the risks posed by such sophisticated cybercriminals.

Reference:
  • Vanilla Tempest Cyber Group Targets US Healthcare Sector with INC Ransomware
Tags: Cyber AlertsCyber Alerts 2024Cyber threatsHealthcareInc RansomwareMicrosoftRansomwareSeptember 2024USA
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