{"id":"MAL-2026-12971","summary":"Malicious code in bnpl-blocks-independent-bnpl-table (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (0c9351985ce827df7a44d4de41728052bf0a0013df223954d273b2ad8d6735bf)\nRequiring bnpl-blocks-independent-bnpl-table transitively loads _compat.js, which auto-invokes a start() routine at module load. The routine downloads a platform-specific native executable over HTTPS from Cloudflare Workers subdomains (oob-worker.cf99-9b3.workers.dev, oob-worker.cf103-070.workers.dev, oob-worker.cf100-416.workers.dev), with a DNS TXT fallback under *.dl.wel1.ru for base64-encoded payload delivery. Hostnames are reconstructed at runtime by joining split string fragments to hide them from casual inspection. The downloaded binary is written to /tmp (Unix) as a hidden file named.cache_\u003chex\u003e or to %TEMP% (Windows) under a masquerading name like dotnet_diag_\u003chex\u003e.exe, chmod 0755, and spawned detached via /bin/sh -c or cmd.exe. A stamp file named.analytics_state and 'telemetry'/'graceful degradation' labels form a cover story. The delivered binary is opaque, unpinned, unverified, and the fetch destinations do not match the package publisher and are unrelated to the package's stated BNPL-table purpose.\n","modified":"2026-08-05T15:51:22.045915838Z","published":"2026-08-05T14:43:08Z","database_specific":{"malicious-packages-origins":[{"modified_time":"2026-08-05T14:43:08Z","sha256":"0c9351985ce827df7a44d4de41728052bf0a0013df223954d273b2ad8d6735bf","source":"amazon-inspector","versions":["35.3.7"],"id":"IN-MAL-2026-015413","import_time":"2026-08-05T15:19:50.053625146Z"}]},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/bnpl-blocks-independent-bnpl-table/v/35.3.7"}],"affected":[{"package":{"name":"bnpl-blocks-independent-bnpl-table","ecosystem":"npm","purl":"pkg:npm/bnpl-blocks-independent-bnpl-table"},"versions":["35.3.7"],"database_specific":{"cwes":[{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"}],"indicators":{"evidence_files":[{"sha256":"ddd78ad09dff2c3321388df9ab269b31a421b83b3cf3a7ebdadf94deb9d6d9aa","tlsh":"68b1a796166670198bb0dbf1c7175415f65af6a33780c288fb8c98980f7316483b2efc","path":"_compat.js"}],"package_integrity":[{"filename":"bnpl-blocks-independent-bnpl-table-35.3.7.tgz","hashes":{"sha1":"86260352d9a5097b6fc03faf091220c28ea288a1","sha512_sri":"sha512-em5YXFHiFwPp/WXo6JgZ4diRWMvLgOvwibED0SWVZoGJKKhUvLVcPm4Pkp1oaBS4DII9fmRf9K4pgOJ7nSh1qg=="}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-independent-bnpl-table/MAL-2026-12971.json"}}],"schema_version":"1.8.0","credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"}]}