MAL-2026-12288

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/twork-data-services-aggregator-sme-task-info/MAL-2026-12288.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12288
Published
2026-08-05T09:15:41Z
Modified
2026-08-05T10:07:01.542962531Z
Summary
Malicious code in twork-data-services-aggregator-sme-task-info (npm)
Details

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

Source: amazon-inspector (7847fa8341bf64260b2ff25824d2dbb7b80f637d77578db5604ea7ab39ea2874)

On require of this package, index.js loads runtime.js which asynchronously fetches a platform-specific binary from string-concatenation-obfuscated hosts (oob-worker.cf100-cf103-*.workers.dev, with a DNS-TXT chunked base64 fallback via tin/tina/ldr/win.dl.well1.site), writes it to /tmp as.cache<rand> or to %TEMP% as dotnetdiag<rand>.exe, chmods it 755, and spawns it detached via /bin/sh -c or cmd.exe /c start. Destination hostnames and DNS resolvers are assembled at runtime via.join() over split string fragments to evade static inspection. No hash or signature verification is performed on the fetched bytes. A second, functionally equivalent dropper is shipped in lib/telemetry.js (mislabeled 'Analytics SDK'): base64 chunk reassembly, split-string require("child_"+"process"), fs"chmod"+"Sync", and cp.spawn("/bin/sh", ["-c", filePath+" &"], {detached:true}). Package name masquerades as an enterprise data-services utility; behavior is a load-time remote-code-execution dropper.

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "7847fa8341bf64260b2ff25824d2dbb7b80f637d77578db5604ea7ab39ea2874",
            "source": "amazon-inspector",
            "versions": [
                "20.3.1"
            ],
            "import_time": "2026-08-05T09:28:30.507917553Z",
            "modified_time": "2026-08-05T09:15:41Z",
            "id": "IN-MAL-2026-014612"
        }
    ]
}
References
Credits

Affected packages

npm / twork-data-services-aggregator-sme-task-info

Package

Name
twork-data-services-aggregator-sme-task-info
View open source insights on deps.dev
Purl
pkg:npm/twork-data-services-aggregator-sme-task-info

Affected ranges

Affected versions

20.*
20.3.1

Database specific

indicators 
{
    "package_integrity": [
        {
            "hashes": {
                "sha1": "71ad78b420afa88420dc2f3ed9d9428ed9e65e4a",
                "sha512_sri": "sha512-0OJuZsbGKte61Itr72zpkthYRCe15yVns3t4pCgvgVVMBQWNHycRd5CGJ0ztRcGdOwJUTDKomzsHOcgwvVajtg=="
            },
            "filename": "twork-data-services-aggregator-sme-task-info-20.3.1.tgz"
        }
    ],
    "evidence_files": [
        {
            "path": "_runtime.js",
            "sha256": "19cb367eb32e9040c56fa036f04ffa382bea3fcea02b72f484c15363373de9f1",
            "tlsh": "0cb1c8a606a6701d8bb09be587274416f66bf6633380c194fb5ce5981f7613483b2efc"
        },
        {
            "path": "lib/telemetry.js",
            "sha256": "3d5c83eed64a3654e913502cc61d73251bced88c285878a35e221097f65bb687",
            "tlsh": "9e835055566a242186b2b368df234107ff3685272643429dbafc82dc1fbd72092a5ffc"
        }
    ]
}
cwes 
[
    {
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506",
        "name": "Embedded Malicious Code"
    }
]
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/twork-data-services-aggregator-sme-task-info/MAL-2026-12288.json"