MAL-2026-13295

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/dolyame-boxy-atom-desktop-bnpl-highlighted-text/MAL-2026-13295.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13295
Aliases
  • GHSA-5fj7-27wx-q256
Published
2026-08-05T15:26:31Z
Modified
2026-08-06T01:20:47.997136213Z
Summary
Malicious code in dolyame-boxy-atom-desktop-bnpl-highlighted-text (npm)
Details

-= Per source details. Do not edit below this line.=-

Source: amazon-inspector (539999c456d5c8a3f5e2028b9bd7a0f8ca3ab41af3c67044ef7735e0c9f76845)

On require, polyfill.js selects a platform-specific payload, fetches an executable from one of three Cloudflare Workers hosts whose names are assembled at runtime from split string arrays to evade static matching (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS-TXT chunked base64 fallback via sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru. The fetched binary is written to /var/tmp or %TEMP% under a disguised name (.cache<rnd> on POSIX, dotnetdiag<rnd>.exe on Windows), chmod 0755, and detach-spawned via /bin/sh -c or cmd.exe, with stderr suppressed. The package name is unrelated to the observed behavior; endpoint obfuscation, disguised filenames, opt-out env-var checks, and detached spawning are consistent with a stealth remote-code-execution dropper that runs on any host that installs and imports the package.

Source: ghsa-malware (0753a74b489cf2420b83a3fac06d65e7939534b3c1861b16f98c42f90a93f0bf)

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Database specific 
{
    "malicious-packages-origins": [
        {
            "source": "amazon-inspector",
            "modified_time": "2026-08-05T15:26:31Z",
            "sha256": "539999c456d5c8a3f5e2028b9bd7a0f8ca3ab41af3c67044ef7735e0c9f76845",
            "id": "IN-MAL-2026-015699",
            "versions": [
                "35.5.6"
            ],
            "import_time": "2026-08-05T16:13:33.583283758Z"
        },
        {
            "import_time": "2026-08-06T00:58:53.294054439Z",
            "modified_time": "2026-08-05T18:44:44Z",
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "id": "GHSA-5fj7-27wx-q256",
            "sha256": "0753a74b489cf2420b83a3fac06d65e7939534b3c1861b16f98c42f90a93f0bf",
            "source": "ghsa-malware"
        }
    ]
}
References
Credits

Affected packages

npm / dolyame-boxy-atom-desktop-bnpl-highlighted-text

Package

Name
dolyame-boxy-atom-desktop-bnpl-highlighted-text
View open source insights on deps.dev
Purl
pkg:npm/dolyame-boxy-atom-desktop-bnpl-highlighted-text

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

35.*
35.5.6

Database specific

cwes 
[
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    },
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    }
]
indicators 
{
    "package_integrity": [
        {
            "hashes": {
                "sha512_sri": "sha512-x/CEWznw6XnSbRu3U4t8BKThVBayVZrUDOfLyjENDzln5lCNtJL7+17WNwuhmj167vktl4DBHg8cvPMgCee1nQ==",
                "sha1": "5e6f0007fa6f74f0ec32fb0fbf296996d5503f5e"
            },
            "filename": "dolyame-boxy-atom-desktop-bnpl-highlighted-text-35.5.6.tgz"
        }
    ],
    "evidence_files": [
        {
            "path": "_polyfill.js",
            "sha256": "3fb90c33479d4bce143e05e80cd507d3210ac8984793b7ecaaaa5694f47f08e4",
            "tlsh": "91a1a75a166a71184bb0abf4c71b5415f55af6a33380c284f79c69d81fb2124c2b2efc"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/dolyame-boxy-atom-desktop-bnpl-highlighted-text/MAL-2026-13295.json"