Ragnar Locker ransomware group lists AASP claim there was no data leakage! on its leak site

• Ransomware group: Ragnar Locker
• Country: Brazil
• Announcement date: February 22, 2023

Ragnar Locker disputes AASP claims of no data leakage

The ransomware group known as Ragnar Locker has published an announcement on its leak site, directly challenging statements made by AASP. The group asserts that it has successfully gained access to the systems of the Brazilian-based organization. This development comes as a direct response to public communications from the institution that have denied the occurrence of any data breach.

Ragnar Locker has released a leak announcement claiming to have breached AASP's network. The group is actively disputing the institution's public statements which assert that no data leakage has occurred. In their communication, the threat actors have urged the management of the organization to contact them to resolve the situation. The group alleges that the institution's network has been compromised and claims that sensitive customer data is currently in their possession.

The claims made by the threat actor

The announcement from Ragnar Locker focuses on undermining the institution's public stance regarding its security status. While the group claims to have exfiltrated sensitive information, the specific details regarding the nature of the data remain unverified. The group's primary objective appears to be creating pressure on the organization following its denial of a breach.

The listing does not provide a specific list of leaked data types.

Context of the announcement

The announcement includes screenshots of the institution's social media posts, which were used to deny that a data breach had taken place. This visual evidence is presented by the group to highlight the discrepancy between the organization's public messaging and the group's claims of successful infiltration. No specific information was provided regarding the volume of data or the specific files that were allegedly targeted during the attack.

Potential implications and risks

The situation involving AASP and Ragnar Locker highlights several critical risks associated with modern ransomware operations. Because the institution is based in Brazil, any confirmed data leakage could lead to significant legal consequences under the LGPD (General Data Protection Law of Brazil). The discrepancy between the organization's claims and the group's announcement creates a state of uncertainty regarding the actual security posture of the entity.

The alleged breach poses secondary risks to the ecosystem surrounding the organization. If sensitive customer data is indeed in the possession of the threat actors, it could lead to identity theft or targeted phishing attacks directed at the institution's customers and partners. Such attacks often follow a breach, where stolen information is used to craft highly convincing fraudulent communications to exploit individuals.

Ragnar Locker is known for a specific modus operandi that involves the exfiltration of data prior to the encryption of systems. This technique is a hallmark of double extortion, a strategy where attackers not only lock the victim's data but also threaten to leak it publicly unless a ransom is paid. This approach significantly increases the risk to the institution's operational continuity and increases the pressure on management to comply with demands.

General defensive considerations

In scenarios involving double extortion, organizations typically focus on strengthening their detection and response capabilities. Monitoring for unauthorized data exfiltration and implementing strict access controls are common defensive steps. Furthermore, maintaining robust incident response plans and ensuring compliance with regional data protection regulations, such as the LGPD, are essential components of a modern cybersecurity strategy to mitigate the impact of potential breaches.