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The threat actors behind the LockBit ransomware operation have resurfaced on the dark web using new infrastructure, days after an international law enforcement exercise seized control of its servers.
To that end, the notorious group has moved its data leak portal to a new .onion address on the TOR network, listing 12 new victims as of writing.
The administrator behind LockBit, in a lengthy follow-up message, said some of their websites were confiscated by most likely exploiting a critical PHP flaw tracked as CVE-2023-3824, acknowledging that they didn’t update PHP due to “personal negligence and irresponsibility.”
“I realize that it may not have been this CVE, but something else like 0-day for PHP, but I can’t be 100% sure, because the version installed on my servers was already known to have a known vulnerability, so this is most likely how the victims’ admin and chat panel servers and the blog server were accessed,” they noted.
They also claimed the U.S. Federal Bureau of Investigation (FBI) “hacked” their infrastructure because of a ransomware attack on Fulton County in January and the “stolen documents contain a lot of interesting things and Donald Trump’s court cases that could affect the upcoming U.S. election.”
They also called for attacking the “.gov sector” more often, while also stating that the server from which the authorities obtained more than 1,000 decryption keys held almost 20,000 decryptors, most of which were protected and accounted for about half of the total number of decryptors generated since 2019.
The group further went on to add that the nicknames of the affiliates have “nothing to do with their real nicknames on forums and even nicknames in messengers.”
That’s not all. The post also attempted to discredit law enforcement agencies, claiming the real “Bassterlord” has not been identified, and that the FBI actions are “aimed at destroying the reputation of my affiliate program.”
“Why did it take 4 days to recover? Because I had to edit the source code for the latest version of PHP, as there was incompatibility,” they said.
“I will stop being lazy and make it so that absolutely every build loker will be with maximum protection, now there will be no automatic trial decrypt, all trial decrypts and the issuance of decryptors will be made only in manual mode. Thus in the possible next attack, the FBI will not be able to get a single decryptor for free.”
Russia Arrests Three SugarLocker Members
The development comes as Russian law enforcement officials have arrested three individuals, including Aleksandr Nenadkevichite Ermakov (aka blade_runner, GustaveDore, or JimJones), in connection with the SugarLocker ransomware group.
“The attackers worked under the guise of a legitimate IT firm Shtazi-IT, which offers services for the development of landing pages, mobile applications, scripts, parsers, and online stores,” Russian cybersecurity firm F.A.C.C.T. said. “The company openly posted ads for hiring new employees.”
The operators have also been accused of developing custom malware, creating phishing sites for online stores, and driving user traffic to fraudulent schemes popular in Russia and the Commonwealth of Independent States (CIS) nations.
SugarLocker first appeared in early 2021 and later began to be offered under the ransomware-as-a-service (RaaS) model, leasing its malware to other partners under an affiliate program to breach targets and deploy the ransomware payload.
Nearly three-fourths of the ransom proceeds go to the affiliates, a figure that jumps to 90% if the payment exceeds $5 million. The cybercrime gang’s links to Shtazi-IT were previously disclosed by Intel 471 last month.
The arrest of Ermakov is notable, as it comes in the wake of Australia, the U.K., and the U.S. imposing financial sanctions against him for his alleged role in the 2022 ransomware attack against health insurance provider Medibank.
The ransomware attack, which took place in late October 2022 and attributed to the now-defunct REvil ransomware crew, led to the unauthorized access of approximately 9.7 million of its current and former customers.
The stolen information included names, dates of birth, Medicare numbers, and sensitive medical information, including records on mental health, sexual health, and drug use. Some of these records also found their way to the dark web.
It also follows a report from news agency TASS, which revealed that a 49-year-old Russian national is set to face trial on charges of carrying out a cyber attack on technological control systems that left 38 settlements of the Vologda without power.
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