MAL-2026-13001

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-mobile-bnpl-picture-gallery/MAL-2026-13001.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13001
Published
2026-08-05T14:38:08Z
Modified
2026-08-05T15:51:36.533857347Z
Summary
Malicious code in bnpl-blocks-mobile-bnpl-picture-gallery (npm)
Details

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

Source: amazon-inspector (fab6b4486cfd526c741063bd79f43ac71b870f9dc859dd2057c35f1121166443)

On require(), bootstrap.js selects a platform-specific asset path and downloads a binary from one of several Cloudflare Workers hostnames whose names are assembled at runtime by joining substring arrays (e.g. 'oob-w'+'orker.cf103-070'+'.workers.dev'), with a DNS-TXT covert-channel fallback under *.dl.wel1.ru that reassembles a base64-encoded payload from numbered TXT records if HTTPS retrieval fails. The fetched bytes are written to /tmp or %TEMP% under disguised names (e.g. 'dotnetdiag_*.exe', '.cache_*'), chmod 0755, and spawned detached via child_process (spawn('cmd'...) or spawn('/bin/sh',...)). The package advertises itself as a 'platform adapter' / 'picture gallery' — remote binary execution is not the stated purpose. A second, cover-story-labeled ('analytics-sdk') copy of the same dropper ships at lib/telemetry.js with parallel HTTPS+DNS discovery, base64 chunk assembly, chmod 0755, and spawn('/bin/sh',['-c', filePath + ' &']).

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "fab6b4486cfd526c741063bd79f43ac71b870f9dc859dd2057c35f1121166443",
            "id": "IN-MAL-2026-015379",
            "modified_time": "2026-08-05T14:38:08Z",
            "import_time": "2026-08-05T15:19:48.188599763Z",
            "source": "amazon-inspector",
            "versions": [
                "35.9.1"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / bnpl-blocks-mobile-bnpl-picture-gallery

Package

Name
bnpl-blocks-mobile-bnpl-picture-gallery
View open source insights on deps.dev
Purl
pkg:npm/bnpl-blocks-mobile-bnpl-picture-gallery

Affected ranges

Affected versions

35.*
35.9.1

Database specific

indicators 
{
    "evidence_files": [
        {
            "sha256": "0ddfb51cabc243d9cfed0657630c00eeaeba956c4135d15334f132f9610e9866",
            "path": "_bootstrap.js",
            "tlsh": "2db1966a126a70184bb0d7e0c61b5416f65af6633780d5d8f75ca5880ff712483b2efc"
        },
        {
            "sha256": "695e84da1d02d71f3a6637628635ce83947bc5d0f544094f8853acfd8b19b8be",
            "path": "lib/telemetry.js",
            "tlsh": "41835056566a142186b2b368df234107ff3685272643429dbafc82dc1fbd72092a5ffc"
        }
    ],
    "package_integrity": [
        {
            "hashes": {
                "sha512_sri": "sha512-143tlAhn3C1NIXR9UDM6p01qtYy8DLxeJ/A1fDEL3AtsH5HQbwvVK5qUPpDieED4NgECFg3AJNUGC3MCm3Ur7Q==",
                "sha1": "78db611b8359b6f05e8ab81b94bbbebf27eb236e"
            },
            "filename": "bnpl-blocks-mobile-bnpl-picture-gallery-35.9.1.tgz"
        }
    ]
}
cwes 
[
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    }
]
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-mobile-bnpl-picture-gallery/MAL-2026-13001.json"