Akira attacks Bauwerk Boen Group
Incident Date:
November 30, 2023
Overview
Title
Akira attacks Bauwerk Boen Group
Victim
Bauwerk Boen Group
Attacker
Akira
Location
First Reported
November 30, 2023
Akira Ransomware Attack on Bauwerk Boen Group
Akira claimed a ransomware attack against Bauwerk Boen Group. The group obtained "40GB of their data," including "lots of contracts, agreements (including confidential ones), employee files and so on." The Bauwerk Group is formed from an alliance between the companies of Bauwerk Parkett, Boen, and Somerset Hardwood Flooring, with production sites in Switzerland, Lithuania, Croatia, and the United States. With a turnover of around CHF 400 million and approximately 2,000 employees, the Group is one of the world's leading companies in the parquet industry.
Akira's Emergence and Tactics
Akira first emerged in March 2023, and the group may have links to the notorious Conti gang, although this is difficult to ascertain given the Conti code was leaked in 2022. Interestingly, Akira’s extortion platform includes a chat feature for victims to negotiate directly with the attackers, and it has been observed that Akira will inform victims who have paid a ransom of the infection vectors they leveraged to carry out the attack. This is not ransomware “standard procedure”, as many ransomware operators have engaged in multiple attacks on the same victim. A decrypter was released that may have worked on earlier variants or obscure samples of Akira, but its utility has proven to be null for recovery.
Attack Volume and Ransom Demands
Akira maintains a modest but growing attack volume, putting them in about the middle of the pack when compared to other ransomware operators. Ransom demands appear to range between $200,000 to more than $4 million.
Technical Capabilities
Akira operates a RaaS written in C++ that is capable of targeting both Windows and Linux systems, typically by exploiting credentials for VPNs. Akira modules will delete Windows Shadow Volume Copies leveraging PowerShell and is designed to encrypt a wide range of file types while avoiding Windows system files with .exe, .lnk, .dll, .msi, and .sys extensions. Akira also abuses legitimate LOLBins/COTS tools like PCHunter64, making detection more difficult.
Exploiting Vulnerabilities
In July, a Linux variant for Akira was detected in the wild, and the group was also observed remotely exploiting a zero-day in Cisco’s Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) software (CVE-2023-20269) in brute-force attacks since at least August. Akira has also been observed exploiting VMware ESXi vulnerabilities for lateral movement. The group has attacked dozens of organizations across multiple industry verticals including education, finance, and manufacturing.
Double Extortion Tactics
Akira operations include data exfiltration for double extortion with the threat to expose or sell the data should the victim fail to come to terms with the attackers and is assessed to have leaked gigabytes of stolen data from victims.
Recent Ransomware Attacks
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