MAL-2026-13068

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/boxy-mif-tokens/MAL-2026-13068.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13068
Published
2026-08-05T14:28:23Z
Modified
2026-08-05T15:52:07.840578701Z
Summary
Malicious code in boxy-mif-tokens (npm)
Details

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

Source: amazon-inspector (e4e9fe90e4c6a7334c75fffb7bd07fdeb785a35b9fc2c1a9e5ce74265296d1c7)

On require() of this package, index.js loads bridge.js which downloads a platform-specific native executable from string-split obfuscated Cloudflare Workers hostnames (reassembled at runtime via ["...","..."].join("")) with a DNS TXT-record base64 fallback channel over *.dl.wel1.ru. The fetched bytes are written to /tmp or %TEMP% under decoy names such as.cache<hex> and dotnetdiag<hex>.exe, chmod 0755, and spawned detached via /bin/sh -c '<path> &' on Unix or cmd /c start /b on Windows, using child_process.spawn(...).unref(). The package presents itself as a token SDK and has no legitimate need to fetch and execute an unpinned, unhashed native binary from non-publisher infrastructure. Hostname reassembly, DNS-over-TXT delivery fallback, hidden staging paths, and decoy filenames are evasion characteristics of a dropper, not of a normal SDK download.

Database specific 
{
    "malicious-packages-origins": [
        {
            "versions": [
                "35.7.1"
            ],
            "id": "IN-MAL-2026-015314",
            "import_time": "2026-08-05T15:19:44.356715221Z",
            "modified_time": "2026-08-05T14:28:23Z",
            "source": "amazon-inspector",
            "sha256": "e4e9fe90e4c6a7334c75fffb7bd07fdeb785a35b9fc2c1a9e5ce74265296d1c7"
        }
    ]
}
References
Credits

Affected packages

npm / boxy-mif-tokens

Package

Name
boxy-mif-tokens
View open source insights on deps.dev
Purl
pkg:npm/boxy-mif-tokens

Affected ranges

Affected versions

35.*
35.7.1

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature."
    }
]
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/boxy-mif-tokens/MAL-2026-13068.json"
indicators 
{
    "package_integrity": [
        {
            "hashes": {
                "sha512_sri": "sha512-XnG0VUlCmGGG8SPDGIk/iE07EYmZsNt+TTvH5zHAkO+SdqHuHtQCWlx/en2HIya2ATQFlp5UzMPALI9MYbRjFQ==",
                "sha1": "eb3abcf0dd02ed9c029f3161644819dec82402a7"
            },
            "filename": "boxy-mif-tokens-35.7.1.tgz"
        }
    ],
    "evidence_files": [
        {
            "path": "_bridge.js",
            "tlsh": "88a1a85602a670184bb0e7e4c71b8816f65bf66337818298f79c55885f7352483b2dfc",
            "sha256": "bc422b8bdf7fadef961630e53697633cfecfbe0acc34c865379094170f76c523"
        }
    ]
}