Summary
On July 16, 2025, the ransomware group Crypto24 publicly claimed responsibility for an attack targeting Tan Chong Motor Holdings Berhad (tanchonggroup.com), a Malaysian company in the automotive sector. The threat actor has exfiltrated over 300GB of sensitive data, including customer databases, legal and HR documents, financial and employee records, and contractual documents. The group demands negotiation to prevent the public release of this data.
Incident Report
| Field | Details |
|---|---|
| Target | Tan Chong Motor Holdings Berhad |
| Domain | tanchonggroup.com |
| Country | Malaysia |
| Attacking Group | Crypto24 |
| Date Reported | July 16, 2025 |
| Threat Actor Statement | “We have exfiltrated over 300GB of sensitive data, including Customer databases (all dbs of tanchong – NAV, BRASSTAX, VTS, CRM, E-INVOICE,…),Legal and HR documents, Financial and employee records, Contractual documents with partners and customers.” |
About Tan Chong Motor Holdings Berhad
Tan Chong Motor Holdings Berhad is a prominent automotive company in Malaysia, involved in manufacturing, assembling, and distributing motor vehicles. They are well-known for their wide range of automotive services and products.
About Crypto24
Crypto24 is a notorious ransomware group known for targeting large corporations with sophisticated cyber attacks. They have a history of demanding large ransoms in exchange for not leaking sensitive data.
Proactive Response to Ransomware Threats
To protect your company from similar threats, it is crucial to invest in darkweb monitoring services. These services help detect potential data leaks and breaches early, allowing companies to respond proactively. We recommend using an email breach checker like MSP Dark Intel Domain Breach Scan to keep an eye on your company’s exposure and ensure the security of your data.
Recommendations
- Monitor your domains and email addresses for exposure using reputable threat intelligence tools.
- Conduct a full compromise assessment and incident response drill internally.
- Verify backups and ensure they are offline and ransomware-resistant.
- Educate staff on phishing, social engineering, and lateral movement techniques used by groups like Qilin.
- Engage with cyber forensics and legal counsel before initiating contact with threat actors.
Check Your Exposure
Wondering if your organization or employees are impacted by recent breach activity?
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Check domain-wide breach exposure:
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Disclaimer
The MSPDarkIntel team does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information.
All breach data reported here is sourced from publicly available threat intelligence feeds for awareness and early-warning purposes only.
Our goal is to inform organizations of emerging threats so they can take timely defensive action.
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