{"id":"MAL-2026-2889","summary":"Malicious code in chai-as-evm (npm)","details":"chai-as-evm is a malicious npm package that when imported downloads a C2 dropper from https://jsonkeeper[.]com/b/FAWPU and executes it (similar to malware in to chai-await-test).\n\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (022142050af16941071ae35d9336fdbfda3482fde1d22711c0d7cb231cac513a)\nThe package chai-as-evm was found to contain malicious code.\n","modified":"2026-04-23T21:14:00.700833Z","published":"2026-04-15T22:05:03Z","database_specific":{"iocs":{"urls":["https://jsonkeeper.com/b/FAWPU"]},"malicious-packages-origins":[{"modified_time":"2026-04-23T20:43:56Z","source":"amazon-inspector","sha256":"022142050af16941071ae35d9336fdbfda3482fde1d22711c0d7cb231cac513a","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"import_time":"2026-04-23T20:49:16.236612219Z"}]},"references":[{"type":"REPORT","url":"https://www.indece.com/en-US/blog/7df041ba-feb1-4d87-918b-7fc2c709d805"}],"affected":[{"package":{"name":"chai-as-evm","ecosystem":"npm","purl":"pkg:npm/chai-as-evm"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/chai-as-evm/MAL-2026-2889.json"}}],"schema_version":"1.7.5","credits":[{"name":"Amazon Inspector","contact":["actran@amazon.com"],"type":"FINDER"},{"name":"indece","contact":["https://indece.com"],"type":"FINDER"}]}