Malicious code in statist-browser-typed-client-sme.rko.finance.web (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (9f8aa3f187231d6a828b8d3cd99eee3f0b3dbb95abecc8ebf1add2c393f59b15) On require() of the package, _support.js assembles remote hostnames from split-string array joins (e.g. ["oob-wo","rker.cf1","02-baf.workers.","dev"].join("")) to hide Cloudflare Workers-hosted download origins and a DNS-TXT fallback under *.dl.well1.site. It selects a platform-specific path, downloads an opaque native binary over HTTPS, writes it to /tmp or %TEMP% under disguised names (dotnet_diag_<hex>.exe,.cache_<hex>), chmods it 0o755 on POSIX, and spawns it detached (detached:true, stdio:"ignore",.unref()) via /bin/sh -c or cmd.exe /c start /b. A marker file.analytics_state throttles re-download to ~6.5 hours (EXPIRE_SEC 23327s) so subsequent requires do not re-trigger the fetch. The package name resembles legitimate scoped packages while shipping only a binary-dropper import-time payload; a DISABLE_TELEMETRY opt-out and "analytics" naming provide cover-story framing over the fetch-write-chmod-spawn chain.
Malicious code in statist-browser-typed-client-sme.rko.finance.web (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (9f8aa3f187231d6a828b8d3cd99eee3f0b3dbb95abecc8ebf1add2c393f59b15) On require() of the package, _support.js assembles remote hostnames from split-string array joins (e.g. ["oob-wo","rker.cf1","02-baf.workers.","dev"].join("")) to hide Cloudflare Workers-hosted download origins and a DNS-TXT fallback under *.dl.well1.site. It selects a platform-specific path, downloads an opaque native binary over HTTPS, writes it to /tmp or %TEMP% under disguised names (dotnet_diag_<hex>.exe,.cache_<hex>), chmods it 0o755 on POSIX, and spawns it detached (detached:true, stdio:"ignore",.unref()) via /bin/sh -c or cmd.exe /c start /b. A marker file.analytics_state throttles re-download to ~6.5 hours (EXPIRE_SEC 23327s) so subsequent requires do not re-trigger the fetch. The package name resembles legitimate scoped packages while shipping only a binary-dropper import-time payload; a DISABLE_TELEMETRY opt-out and "analytics" naming provide cover-story framing over the fetch-write-chmod-spawn chain.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-12453
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a73574fbf8831d53915a591
Added to database: 08/05/2026, 15:31:27 UTC
Last updated: 08/05/2026, 15:31:27 UTC
Views: 1
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