🛡️ MAL-2026-12574 — checkout-mobile-dolyame

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Malicious code in checkout-mobile-dolyame (npm)

Source: amazon-inspector

Requiring checkout-mobile-dolyame loads _loader.js via index.js, which selects an OS/arch-specific binary and downloads it over HTTPS from obfuscated Cloudflare workers.dev mirrors (oob-worker.cf103-070.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev) whose hostnames are reconstructed at runtime from split-string fragments joined with.join(''). A fallback delivery channel resolves DNS TXT records under c.<domain> and N.<domain> (sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, net.dl.wel1.ru) to reassemble a base64-encoded payload, evading URL/domain filtering. The downloaded bytes are written to /var/tmp or %TEMP% under masqueraded names (.cache_<hex> or dotnet_diag_<hex>.exe), chmod 0755, then spawned detached via /bin/sh -c '<file> &' or cmd.exe /c start /b with stdio ignored. No hash or signature verification is performed. The name resembles legitimate Dolyame checkout tooling, but the package's only observable behavior on import is downloading and running arbitrary attacker-supplied code.

Affected software

MAL-2026-12574 is recorded against 1 package.

  • checkout-mobile-dolyame

Timeline and source

Published on 5 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.npmjs.com (Package)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-05
Updated 2026-08-12
Modified 2026-08-05
Fix URL N/A

Affected Packages

Software From version Fixed in
checkout-mobile-dolyame — —

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