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China’s Winnti Group Hacked at Least 13 Organizations in 2021: Safety Agency

By Ionut Arghire on August 19, 2022

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Chinese language state-sponsored menace group Winnti compromised not less than 13 organizations globally in 2021, spanning throughout a number of sectors, cybersecurity agency Group-IB says.

Additionally known as APT41, Barium, Blackfly, Double Dragon, Depraved Panda, and Depraved Spider, the Winnti group has been lively since not less than 2007, participating in each cyberespionage operations and financially motivated assaults.

In September 2020, the US Division of Justice introduced expenses in opposition to 5 Chinese language nationals believed to be a part of the Winnti group, who allegedly launched assaults in opposition to over 100 organizations within the US and overseas.

Regardless of the indictment and quite a few public studies detailing the group’s actions, the hackers continued their operations. In March 2022, Mandiant detailed the hacking of not less than six US state authorities organizations between Might 2021 and February 2022.

In a brand new report, Group-IB offers a broader perspective on the group’s actions all through 2021: the hackers compromised not less than 13 organizations, usually focusing on SQL injection vulnerabilities in internet functions, however deploying a customized Cobalt Strike Beacon in every case.

Targets included airways, consulting, training, finance, authorities, hospitality, healthcare, logistics, manufacturing, media, software program, sports activities, telecommunications, and journey organizations in Bangladesh, Brunei, China, India, Indonesia, Eire, Hong Kong, Mongolia, Thailand, Taiwan, Vietnam, the US, and the UK.

As a part of these assaults, the menace actor carried out reconnaissance utilizing instruments similar to vulnerability scanners (Acunetix, JexBoss), community scanners (Nmap), and brute-forcing utilities (OneForAll, Sqlmap, subdomain3, subDomainsBrute, and Sublist3r). In addition they used fofa.su, a Chinese language equal of shodan.io, for gathering data on open ports and working providers.

The attackers carried out SQL injections in opposition to 43 internet functions (out of 86 they probed) to entry the command shell of the focused servers and acquire command execution capabilities. Process Scheduler and Home windows providers had been used to attain persistence.

Group-IB grouped the noticed exercise into 4 malicious campaigns, based mostly on the domains that had been utilized in every of them: ColunmTK, DelayLinkTK, Light-Voice, and Mute-Pond.

As a part of many of the noticed campaigns, the attackers used a Home windows utility referred to as Ntdsutil to acquire the ntds.dit file, which shops Lively Listing information, together with person credentials. The hackers had been additionally noticed mapping the sufferer’s community and performing lateral motion.

After getting access to server configurations, backup information, and person information, the cyberspies proceeded to exfiltrate data of curiosity, however Group-IB believes that they “didn’t exfiltrate a considerable amount of confidential paperwork.”

Associated: China-Linked Winnti APT Group Silently Stole Commerce Secrets and techniques for Years: Report

Associated: China’s APT41 Exploited Citrix, Cisco, ManageEngine Flaws in International Marketing campaign

Associated: New Winnti Backdoor Targets Microsoft SQL

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