MAL-2026-13652

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/sme-rko-finance-front-operations-widget-models/MAL-2026-13652.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13652
Published
2026-08-08T00:46:04Z
Modified
2026-08-08T01:04:49.028153707Z
Summary
Malicious code in sme-rko-finance-front-operations-widget-models (npm)
Details

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

Source: amazon-inspector (b9ade51039ea665ab18df8b84fe421e04802f8f5830983e37064b937cb14509a)

On require of the package, _platform.js and lib/telemetry.js run a bootstrap that selects a platform-specific asset, fetches an opaque binary from one of three anonymous Cloudflare Workers hosts (oob-worker.cf101-adf.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf103-070.workers.dev), writes it to a temp path with a randomized name, chmods it 0755 on POSIX, and spawns it detached via /bin/sh -c "<path> &" or cmd.exe /c start, with .unref() to survive the parent process. If HTTPS mirrors fail, a fallback path reassembles the payload from base64 chunks retrieved via DNS TXT queries against sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. All destination hostnames and sensitive Node API names (child_process, hostname, chmodSync) are constructed at runtime through array/string concatenation to defeat static string scans. An .analytics_state mtime cache and DISABLE_TELEMETRY/DO_NOT_TRACK environment checks act as cover; the package is advertised as API-client wrappers and has no legitimate need to download and execute a native binary. The dropper logic is duplicated across _platform.js and the main lib/telemetry.js load path so the payload runs even if one entry point is removed.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-017157",
            "import_time": "2026-08-08T00:53:07.55302484Z",
            "sha256": "b9ade51039ea665ab18df8b84fe421e04802f8f5830983e37064b937cb14509a",
            "modified_time": "2026-08-08T00:46:04Z",
            "versions": [
                "35.8.1"
            ],
            "source": "amazon-inspector"
        }
    ]
}
References
Credits

Affected packages

npm / sme-rko-finance-front-operations-widget-models

Package

Name
sme-rko-finance-front-operations-widget-models
View open source insights on deps.dev
Purl
pkg:npm/sme-rko-finance-front-operations-widget-models

Affected ranges

Affected versions

35.*
35.8.1

Database specific

cwes 
[
    {
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506",
        "name": "Embedded Malicious Code"
    }
]
indicators 
{
    "package_integrity": [
        {
            "hashes": {
                "sha512_sri": "sha512-a1mGknW7ZMKCIyD50JFbylFZwKvF1Cml9z/CV81gUP1O1ynZh79gFWwzmuhaoorsHVwEsueAPoLXZkX5fRPHNA==",
                "sha1": "4dfff3d3ef630d9c4fa2a67f8a7ce3b895031549"
            },
            "filename": "sme-rko-finance-front-operations-widget-models-35.8.1.tgz"
        }
    ],
    "evidence_files": [
        {
            "path": "_platform.js",
            "sha256": "399d1709e7e9b2251910997dcfd8583708e11fec01569c3db0ba50c6654b49a3",
            "tlsh": "3da1b51916fa701806a2a0d8851f8821719ef5933685d9c8fb8c66948fd726883f39fc"
        },
        {
            "path": "lib/telemetry.js",
            "sha256": "caf3c53c87f287448d9740b346973fcb84374ecee7eb24b055943e4c679afee7",
            "tlsh": "52733f4966fb10214263b0685fab40437635c4072a4eed5dba9c43ec9f8db3896f1fb9"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/sme-rko-finance-front-operations-widget-models/MAL-2026-13652.json"