Accounting Firm Targeted: The Everest Ransomware Attack

Incident Date: May 04, 2024

Attack Overview
VICTIM
Price, Breazeale & Chastang
INDUSTRY
Finance
LOCATION
USA
ATTACKER
Everest
FIRST REPORTED
May 4, 2024

Ransomware Attack on Accounting Firms by Everest Group

Victim Profile: Price, Breazeale & Chastang, PA

Price, Breazeale & Chastang, PA, a full-service accounting firm based in Hickory, North Carolina, has been in business for nearly 30 years. Known for its professionalism, responsiveness, and quality service, the firm caters to business owners, executives, and independent professionals.

Everest Ransomware Group Profile

The Everest Ransomware Group, active since December 2020, is known for its ransomware attacks and data exfiltration activities. The group has evolved from a data exfiltration outfit to a ransomware operator, with ties to the EverBe 2.0 ransomware family and links to other cybercriminal organizations like BlackByte.

Their tactics include using compromised legitimate user accounts and Remote Desktop Protocol (RDP) for lateral movement, employing AES and DES encryption algorithms, and acting as an Initial Access Broker (IAB).

Details of the Attack

The cyberattack targeted the websites of Accounting Professionals and Price, Breazeale & Chastang, resulting in the exfiltration of 574 GB of sensitive data from approximately 2,000 clients. The specifics of the ransom demand have not been disclosed, highlighting the secretive nature of the attack.

Potential Vulnerabilities and Attack Vectors

The use of RDP and compromised accounts suggests potential vulnerabilities in the firms' network security practices, possibly including inadequate credential management or insufficient network segmentation. These weaknesses could have provided the Everest group with the necessary foothold to deploy their ransomware and exfiltrate data.

Sources

Disclaimer

The Halcyon Attacks Lookout Database is compiled using publicly available information based on the hosting choices of real-world threat actors and data from a variety of trackers. This information is provided in accordance with principles of fair use. Halcyon has made reasonable efforts to sanitize and verify the data; however, we do not guarantee the accuracy, completeness, or reliability of the information provided. Updates to the database are made as new source data becomes available from reputable sources.  By accessing, viewing, or using the information within the Halcyon Attacks Lookout Database, you acknowledge and agree to do so entirely at your own risk. No reliance should be placed upon the information for decision-making, and Halcyon disclaims all liability for any inaccuracies or omissions in the data.

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