Medusa attacks Kadac Australia
Incident Date:
November 2, 2023
Overview
Title
Medusa attacks Kadac Australia
Victim
Kadac Australia
Attacker
Medusa
Location
First Reported
November 2, 2023
Kadac Australia Hit by Medusa Ransomware Gang
Kadac Australia was attacked by the Medusa ransomware gang on 12 February. Medusa has set a 10-day deadline for the company to cough up $100,000 in ransom to prevent its data from being leaked. Exfiltrated data includes customer details such as first names, last names, and email addresses, email correspondence with brands and suppliers, financial data, marketing data, certificates, and other confidential business data.
Kadac is Australia’s largest distributor of organic, natural, and health products, working closely with more than 120 local and international suppliers.
The Medusa Ransomware-as-a-Service (RaaS)
The Medusa is a RaaS that made its debut in the summer of 2021 and has evolved to be one of the more active RaaS platforms. Attack volumes were inconsistent in the first half of 2023, with a resurgence of attack activity in the last half of 2023. The attackers restart infected machines in safe mode to avoid detection by security software as well preventing recovery by deleting local backups, disabling startup recovery options, and deleting VSS Shadow Copies to thwart encryption rollback.
Medusa ramped up attacks in the latter part of 2022 and has been one of the more active groups in the first quarter of 2023 but appears to have waned somewhat in the second quarter. Medusa typically demands ransoms in the millions of dollars, which can vary depending on the target organization’s ability to pay.
Method of Attack and Targets
The Medusa RaaS operation (not to be confused with the operators of the earlier MedusaLocker ransomware) typically compromises victim networks through malicious email attachments (macros), torrent websites, or through malicious ad libraries. Medusa can terminate over 280 Windows services and processes without command line arguments (there may be a Linux version as well, but it is unclear at this time.)
Medusa targets multiple industry verticals, especially healthcare and pharmaceutical companies, and public sector organizations too. Medusa also employs a double extortion scheme where some data is exfiltrated prior to encryption, but they are not as generous with their affiliate attackers, only offering as much as 60% of the ransom if paid.
Recent Ransomware Attacks
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