MAL-2026-12212

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/statist-browser-typed-client-mb.product.payments/MAL-2026-12212.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12212
Aliases
  • GHSA-f8x2-6g24-p857
Published
2026-08-05T09:12:46Z
Modified
2026-08-06T01:21:18.430171511Z
Summary
Malicious code in statist-browser-typed-client-mb.product.payments (npm)
Details

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

Source: amazon-inspector (61ded83f5a0c3472f0519b9c807345fa6d92458f26cbffa730831da19cfea843)

On require() of the package, index.js loads bootstrap.js which selects a platform-specific asset, downloads an opaque native binary from Cloudflare Workers hosts whose names are assembled from split string fragments (oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf103-070.workers.dev), and, if HTTPS mirrors fail, retrieves base64-encoded bytes over DNS TXT records under *.dl.well1.site (tin.dl.well1.site, tina.dl.well1.site, ldr.dl.well1.site, win.dl.well1.site) and reassembles them. The fetched bytes are written to a temp file with deceptive names (dotnetdiag<rand>.exe on Windows,.cache<rand> on Unix), chmodded 0755, and spawned detached/unref'd via /bin/sh -c or cmd.exe /c start /b. There is no hash or signature verification, the destination hosts are unrelated to the package's advertised 'payments' purpose, hostnames are reconstructed at runtime to hide them from plain-text inspection, and the DNS-TXT channel is a covert egress-bypass mechanism. The package name resembles a scoped internal 'browser-typed-client' payment module, but the shipped behavior is a native dropper.

Source: ghsa-malware (4aacb14f8845432520dc2c0c7e64a7c133b90556be6f692dfba4cde1789939a3)

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": "2026-08-05T09:12:46Z",
            "sha256": "61ded83f5a0c3472f0519b9c807345fa6d92458f26cbffa730831da19cfea843",
            "id": "IN-MAL-2026-014591",
            "versions": [
                "20.1.9"
            ],
            "import_time": "2026-08-05T09:28:28.470800061Z"
        },
        {
            "import_time": "2026-08-06T00:58:53.363072642Z",
            "sha256": "4aacb14f8845432520dc2c0c7e64a7c133b90556be6f692dfba4cde1789939a3",
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "id": "GHSA-f8x2-6g24-p857",
            "modified_time": "2026-08-05T14:58:22Z",
            "source": "ghsa-malware"
        }
    ]
}
References
Credits

Affected packages

npm / statist-browser-typed-client-mb.product.payments

Package

Name
statist-browser-typed-client-mb.product.payments
View open source insights on deps.dev
Purl
pkg:npm/statist-browser-typed-client-mb.product.payments

Affected ranges

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

Affected versions

20.*
20.1.9

Database specific

cwes 
[
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    },
    {
        "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-FsECUKucNYVLr1Ldo3TNW4DqDs3wtrD0brhM6yza626BShHRJJWoDgDO1928J2G/e21T9vppz5Js50bOMoeYCA==",
                "sha1": "df771fae13db39359cdae3b62d4939076f02d999"
            },
            "filename": "statist-browser-typed-client-mb.product.payments-20.1.9.tgz"
        }
    ],
    "evidence_files": [
        {
            "path": "_bootstrap.js",
            "sha256": "a270dc654475a0ae3074189ec43811f08eb2d68d903cfc527ff330066a6a5edc",
            "tlsh": "72a1a99a066571194bb0ebe487274416f667e163378082c4fb9ca5941f7213483b2efc"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/statist-browser-typed-client-mb.product.payments/MAL-2026-12212.json"