Threat Actor leaks ~1.5 Billion Records from Multiple Chinese Databases in Recent Spree

Summary

XVigil discovered 8 posts on a database marketplace advertising multiple Chinese govt. and private databases, exposing 1.5B Chinese records.
CloudSEK’s flagship digital risk monitoring platform XVigil discovered 8 posts by a threat actor, on a surface web database marketplace, advertising multiple Chinese government and private databases. The posts expose a total of ~1.5 billion Chinese records.  

The Targets

The databases on sale include:
Loans and Banks Chinese Loans and Banks Database
Ping An Insurance Chinese conglomerate that deals with insurance, banking, and financial services
Tencent QQ Chinese instant messaging platform. Ranked by Alexa as the world’s 5th most visited
Weibo Chinese microblogging site and one of China’s biggest social media platforms
China’s National Car owners from mps.gov.cn Ministry of Public Security (MPS) is China’s primary police and security authority 
Business data from stats.gov.cn Enterprise and Individual’s business data from China’s National Bureau of Statistics 
Jingdong (JD.com) formerly 360buy Fortune Global 500 Chinese e-commerce company that is Alibaba Tmall’s competitor
SF Express China’s second largest multinational delivery and logistics company
 

Impacted Assets

The records in the databases contain the following fields:
Target
Relevance
Data size
Data fields
Loans and Banks 2020 80K • Name  • Loan amount • Gender • Birthplace • ID details • Address • WeChat ID • QQ ID • Phone • Education • Marital status • Dependents • Spouse details • Monthly expenditure • Monthly income 
Ping An Insurance 2020 100K • Product Name • Amount • Guarantee Period  • Name  • ID  • Gender • Phone • Email • Province • Monthly Income • Marital • Policy Form • Insurance Responsibility • Purpose of Insurance • Payment Period
Tencent QQ 2019 720M • QQ ID • Mobile 
Weibo 2019 538M • Weibo ID • Mobile
China’s National Car owners from mps.gov.cn 2020 760K • Name  • ID  • Gender • Phone • Address • Salary • Car details
Business data from stats.gov.cn 2020 700K • Contact info • Landline • Business name • Business address • Industry keywords
Jingdong (JD.com) formerly 360buy 2020 141M • Username • Password • Email • Phone
SF Express 2020 67M • Name • Phone • Address
 
Jd.com sample data shared the threat actor
Jd.com sample data shared the threat actor
 
Car owners’ sample data shared the threat actor
Car owners’ sample data shared the threat actor
 
Ping An’s sample data shared the threat actor
Ping An’s sample data shared the threat actor
 

Threat Actor

The threat actor joined the forum in April 2020 and is a popular seller on the forum. The threat actor had changed their handle in December 2020, shortly before going on the spree. The actor has a high reputation score on the forum, which means they are considered a credible seller.   

Recommendations

Since the leaked details contain PII and other sensitive information that can be used to orchestrate social engineering attacks and even identity theft. The following mitigation measures can be used to offset impact of leaked PII data
  • Use strong passwords
  • Enable multi-factor authentication for all online accounts
  • Not share OTPs with third-parties
  • Review online accounts and financial statements periodically
  • Regularly update apps and other software

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