Cyware Weekly Threat Intelligence - January 01–05

Weekly Threat Briefing • January 5, 2024
Weekly Threat Briefing • January 5, 2024
A big relief for Black Basta victims. Researchers have unveiled the Black Basta Buster decryptor tool that decrypts files between 5000 bytes and 1GB. In another vein, the FTC is running a contest that is aimed at protecting users from AI-enabled voice cloning threats.
SRLabs released a decryptor to help Black Basta ransomware victims restore their files for free. The firm found a weakness in the encryption algorithm used by the ransomware to discover the ChaCha keystream used to XOR encrypt a victim’s file. The decryptor can help fully recover files between 5000 bytes and 1GB. Using the decryptor, Black Basta victims from November 2022 to December 2023 could potentially recover their files for free.
The Finnish Security Intelligence Service (Suojelupoliisi or Supo) reorganized its departments, from nine to eight, to enhance information gathering amidst rising cybersecurity concerns. The agency, responsible for foreign intelligence and domestic counterintelligence, anticipates a shift toward cyberespionage by Russia. The development highlights the growing importance of cybersecurity in the face of geopolitical tensions and potential cyber threats.
The FTC is seeking submissions for a contest that aims at encouraging the development of technologies and policies to protect consumers from the malicious use of AI-enabled cloning voice technology. The contest is part of an effort to monitor and stop scammers from exploiting voice cloning technology.
Massive data breaches rocked the healthcare sector as Fallon Ambulance Services and HealthEC disclosed that nearly one million and 4.5 million patients were impacted in separate incidents, respectively. Cross Switch, a payment gateway platform, also found itself in the soup after 3.6 million records were exposed online. Meanwhile, Gallery Systems reported an attack impacting around 800 museums.
The new Terrapin attack posed a massive threat worldwide as new research revealed that nearly 11 million SSH servers remain unpatched. In other updates, threat actors were found expanding their evasion tactics to deploy AsyncRAT and Remcos RAT onto victims’ systems.