Ransomware Attack Exposes Sensitive Data at Carpenter McCadden & Lane LLP

Incident Date:

September 12, 2024

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Overview

Title

Ransomware Attack Exposes Sensitive Data at Carpenter McCadden & Lane LLP

Victim

Carpenter McCadden and Lane LLP

Attacker

Meow

Location

West Chester, USA

Pennsylvania, USA

First Reported

September 12, 2024

Ransomware Attack on Carpenter McCadden & Lane LLP

Overview of Carpenter McCadden & Lane LLP

Carpenter McCadden & Lane LLP (CML) is a specialized law firm focused primarily on workers' compensation defense. Established in 2002 by founding partners Mike McCadden, Ted Carpenter, and Lisa Lane, the firm has grown significantly and now comprises over twenty attorneys. Operating across Pennsylvania, New Jersey, West Virginia, and Delaware, CML offers comprehensive legal services aimed at defending employers and their insurance carriers against workers' compensation claims.

The firm's philosophy emphasizes an aggressive defense strategy that seeks to achieve prompt case closures while ensuring the best economic outcomes for clients. This approach is rooted in effective communication and teamwork between the attorneys and their clients, fostering a collaborative environment that enhances case management and resolution.

Details of the Ransomware Attack

The ransomware group Meow has claimed responsibility for an attack on Carpenter McCadden & Lane LLP via their dark web leak site. The attackers allege to have exfiltrated 100 GB of sensitive data, including employee records, client information, scans of payment documents, personal data, and birth certificates. This breach underscores the growing threat of ransomware attacks on high-profile legal practices.

Given CML's extensive handling of sensitive client information and legal documents, the firm presents a lucrative target for ransomware groups. The firm's commitment to aggressive defense strategies and efficient case management suggests a high volume of sensitive data, making it an attractive target for cybercriminals.

Profile of Meow Ransomware Group

Meow Ransomware is a group that emerged in late 2022, associated with the Conti v2 ransomware variant. They resurfaced in late 2023 and have been highly active in 2024. The group maintains a data leak site where they list victims who haven't paid the ransom. Meow Ransomware frequently targets industries with sensitive data, such as healthcare and legal services.

The group employs various infection methods, including phishing emails, exploit kits, Remote Desktop Protocol (RDP) vulnerabilities, and malvertising. Once a system is compromised, the ransomware encrypts files using a combination of the ChaCha20 and RSA-4096 algorithms. They leave behind a ransom note named "readme.txt" that instructs victims to contact the group via email or Telegram to negotiate the ransom payment.

Potential Vulnerabilities and Penetration Methods

Carpenter McCadden & Lane LLP's extensive handling of sensitive data makes it a prime target for ransomware attacks. The firm's reliance on digital communication and document management systems could have been exploited through phishing emails or RDP vulnerabilities. The use of sophisticated encryption algorithms by Meow Ransomware further complicates the recovery of compromised data without paying the ransom.

Sources

Recent Ransomware Attacks

The Recent Ransomware Attacks (RRA) site acts as a watchtower, providing you with near real-time ransomware tracking of attacks, groups and their victims. Given threat actors’ overarching, lucrative success so far, ransomware attacks have become the most ubiquitous, and financially and informationally impactful cyber threat to businesses and organizations today.

The site’s data is generated based on hosting choices of real-world threat actors, and a handful of other trackers. While sanitization efforts have been taken, we cannot guarantee 100% accuracy of the data. Attack updates will be made as source data is reported by reputable sources. By viewing, accessing, or using RRA you acknowledge you are doing so at your own risk.