malware npm
polymarket-copy-trading
discovered 2026-05-21polymarket-copy-trading is identified in the SafeDep analysis "Polymarket npm Packages Steal Crypto Wallet Keys". Nine coordinated npm packages target Polymarket traders with a social-engineered postinstall prompt that exfiltrates raw private keys to a Cloudflare Worker. The attacker published all packages within 30 seconds from a throwaway account.
Threat types
crypto_drainer credential_stealer data_exfiltration
Malicious versions
- 0.1.0
- 0.1.1
Campaigns
Indicators
Techniques
- ttp T1195.001 Supply Chain Compromise: Compromise Software Dependencies and Development Toolsuses
- ttp T1059.007 Command and Scripting Interpreter: JavaScriptuses
- ttp T1552.001 Unsecured Credentials: Credentials In Filesuses
- ttp T1041 Exfiltration Over C2 Channeluses
- ttp T1552.004 Unsecured Credentials: Private Keysuses
- ttp T1071.001 Application Layer Protocol: Web Protocolsuses
- ttp T1102 Web Serviceuses
- ttp T1546 Event Triggered Executionuses
