{"id":"MAL-2026-13292","summary":"Malicious code in dolyame-boxy-atom-container (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (8fb29bd9c1d233b882994262382b5f0b5b21cb2b868c139720d5ec9533ce9301)\nOn require() of the package, index.js loads _helpers.js which invokes setup() at module load. setup() selects a platform-specific payload path (linux/darwin/win32), rotates through obfuscated Cloudflare Workers hostnames (oob-worker.cf101-adf.workers.dev, oob-worker.cf103-070.workers.dev, oob-worker.cf99-9b3.workers.dev), downloads bytes over HTTPS, writes them to /var/tmp/.cache_\u003crnd\u003e or %TEMP%/dotnet_diag_\u003crnd\u003e.exe, sets mode 0755, and detaches execution via /bin/sh -c or cmd /c start. A DNS-TXT chunked fallback reassembles a base64 payload from sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru when HTTPS fetch fails. C2 hostnames and sensitive API names (child_process, chmodSync) are hidden by string-splitting and array-join reassembly to evade static grep. A parallel dropper implementation lives in lib/telemetry.js (~81KB) disguised as an analytics SDK, containing the same fetch/write/chmod/detached-spawn chain. The package's declared purpose is reusable UI components; native-binary download and execution from anonymous Cloudflare Workers subdomains has no legitimate role in that scope, no publisher affiliation, and no hash or signature verification.\n","modified":"2026-08-05T16:50:37.088551469Z","published":"2026-08-05T15:26:23Z","database_specific":{"malicious-packages-origins":[{"id":"IN-MAL-2026-015698","import_time":"2026-08-05T16:13:33.502356135Z","modified_time":"2026-08-05T15:26:23Z","sha256":"8fb29bd9c1d233b882994262382b5f0b5b21cb2b868c139720d5ec9533ce9301","source":"amazon-inspector","versions":["35.3.2"]}]},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/dolyame-boxy-atom-container/v/35.3.2"}],"affected":[{"package":{"name":"dolyame-boxy-atom-container","ecosystem":"npm","purl":"pkg:npm/dolyame-boxy-atom-container"},"versions":["35.3.2"],"database_specific":{"cwes":[{"description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code","cweId":"CWE-506"}],"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/dolyame-boxy-atom-container/MAL-2026-13292.json","indicators":{"evidence_files":[{"path":"_helpers.js","sha256":"e12e027a3c2ece901270271b6469d37900f1b98e4ed2b21656ed7ace60542373","tlsh":"1ca1a79b06aa70088bb0d7e48727541af65bf6633780c694f75ca5981f7612483b2dfc"},{"tlsh":"56835055566a242186b2b368df234107ff3685272643429dbafc82dc1fbd72092a5ffc","path":"lib/telemetry.js","sha256":"48a724779a4686592da4f2443d52d2c472105692aa50160a4ce77a6d3d036edb"}],"package_integrity":[{"filename":"dolyame-boxy-atom-container-35.3.2.tgz","hashes":{"sha1":"368f6b821b56a64713000ac252cdcf45b55faa1e","sha512_sri":"sha512-iof7cNVJmaMJEePLX3HajNHFbAdKWFT7YlxRegKC6RmWirnzxtTRWfU8uq2eT7j6dS/kWHExbQxCVo8ax75k/A=="}}]}}}],"schema_version":"1.8.0","credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"}]}