{"id":"MAL-2026-5352","summary":"Malicious code in blockchain-helper-0 (npm)","details":"**Note:** *This report is updated by a verification record*\n\nCrypto/SSH/wallet stealer (self-labeled \"CRYPTO STEALER\"). postinstall scripts/postinstall.js auto-execs, src/index.js harvests ~/.ssh/id_rsa + wallet keys/seeds + env and exfils to hardcoded Telegram bot 8227918239:AAGEMDrBZluDsBBYPxfSyMuv2l3FY8cZCcs chat 6433587894. Auto-exec + hardcoded attacker Telegram exfil; \"blockchain-helper\" identity has no reason to read SSH/wallet keys.\n\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (8b9fac34e13ad38cb702f7aad434d18aa276005fe5fa4cbe48c7eb65af26623d)\nThe package was found to contain malicious code or consuming dependency that contains malicious code\n","modified":"2026-07-09T23:02:06.023380186Z","published":"2026-06-09T07:53:45Z","database_specific":{"malicious-packages-origins":[{"versions":["1.0.0"],"source":"amazon-inspector","sha256":"8b9fac34e13ad38cb702f7aad434d18aa276005fe5fa4cbe48c7eb65af26623d","import_time":"2026-07-09T22:56:28.455668639Z","id":"IN-MAL-2026-009498","modified_time":"2026-07-09T22:04:11Z"}]},"references":[{"type":"REPORT","url":"https://app.safedep.io/community/malysis/01KTN3QACESWZP4EK3W7D1JJGC"},{"type":"PACKAGE","url":"https://www.npmjs.com/package/blockchain-helper-0/v/1.0.0"}],"affected":[{"package":{"name":"blockchain-helper-0","ecosystem":"npm","purl":"pkg:npm/blockchain-helper-0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"versions":["1.0.0"],"database_specific":{"cwes":[{"description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code","cweId":"CWE-506"}],"indicators":{"package_integrity":[{"filename":"blockchain-helper-0-1.0.0.tgz","hashes":{"sha1":"79dddca421f87000c8cba950f2c0d8bfc498c154","sha512_sri":"sha512-f1S8S011AAFtPWDcCO2jw7cvg+crT0FZWF78PjaGCOwODvjJ930n0kiQDh58XADte6fFp8YXjskkpTRqTblb2A=="}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/blockchain-helper-0/MAL-2026-5352.json"}}],"schema_version":"1.7.5","credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"},{"name":"SafeDep","contact":["https://safedep.io"],"type":"FINDER"}]}