MAL-2026-13239

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bigops-products-deposits/MAL-2026-13239.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13239
Published
2026-08-05T15:35:45Z
Modified
2026-08-05T16:50:06Z
Summary
Malicious code in bigops-products-deposits (npm)
Details

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

Source: amazon-inspector (a5f53755fd64cd249daeb83c1f148b5f4e600e4f59cc07cfa99fe6579992b0a9)

On require of this package, index.js loads runtime.js which auto-invokes an init routine that selects a platform-specific endpoint, downloads a binary over HTTPS from hostnames reconstructed via string-array joins (e.g. oob-worker.cf101-adf.workers.dev and sdk.dl.wel1.ru), with a DNS TXT chunked-base64 fallback channel (count read from c., payload chunks from .). The fetched bytes are written to /tmp or %TEMP% under names impersonating system diagnostics (.cache, dotnet_diag_.exe), chmod 0755, and spawned detached via /bin/sh -c or cmd with unref(), yielding remote code execution on the installer host. A state file.analytics_state is used to masquerade as telemetry.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-015759",
            "import_time": "2026-08-05T16:13:41.785799728Z",
            "modified_time": "2026-08-05T15:35:45Z",
            "sha256": "a5f53755fd64cd249daeb83c1f148b5f4e600e4f59cc07cfa99fe6579992b0a9",
            "source": "amazon-inspector",
            "versions": [
                "35.9.1"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / bigops-products-deposits

Package

Name
bigops-products-deposits
View open source insights on deps.dev
Purl
pkg:npm/bigops-products-deposits

Affected ranges

Affected versions

35.*
35.9.1

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]
indicators 
{
    "evidence_files": [
        {
            "path": "_runtime.js",
            "sha256": "43339f9591ba0bd81cc1928fa832930f0b911c77d6c0d70bf3ffb66e53a29674",
            "tlsh": "20b1a85605a5701d8bb0d7e087175416f65bf663378092d4faaca9841f7262483b2efc"
        }
    ],
    "package_integrity": [
        {
            "filename": "bigops-products-deposits-35.9.1.tgz",
            "hashes": {
                "sha1": "4b0e545da399268a6a2a6b1a7b0e0424b4c10ec5",
                "sha512_sri": "sha512-30MPGTuAQcDQLJYqjM6kzIgHX6Pvh7v8BVvBF/0VGzc9/ac4FAtqQMK2jubBhFWSDhDm5b0i6/d1mILdsegSTw=="
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bigops-products-deposits/MAL-2026-13239.json"