MAL-2026-13570

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/dolyame-ui-focusstatehoc/MAL-2026-13570.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13570
Published
2026-08-07T12:30:35Z
Modified
2026-08-07T13:20:37.728413766Z
Summary
Malicious code in dolyame-ui-focusstatehoc (npm)
Details

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

Source: amazon-inspector (98b117a5b8b618c0597bcc422e68216cd3626389417aec2940febf447c033a88)

On require of the package's main entry (index.js), compat.js and lib/telemetry.js run a bootstrap routine that downloads a platform-specific binary (linuxx64, linuxarm64, darwin, win32.exe) from a shuffled list of obfuscated Cloudflare Workers subdomains (oob-worker.cf100-416.workers.dev, oob-worker.cf103-070.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev), with a DNS-TXT fallback to sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru. The binary is written to /tmp or %TEMP% under a disguised name (.cache<hex> on unix, dotnetdiag<hex>.exe on Windows), chmod 755, and spawned detached via cp.spawn("/bin/sh", ["-c", filePath + " &"], {detached:true, stdio:"ignore"}).unref(). No version pinning, no hash or signature verification. Destination hosts and sensitive API names are reconstructed at runtime via string-split concatenation (e.g. ["oob-worker.cf100-416.w","orkers.dev"].join(""), require("child_"+"process"), fs["chmod"+"Sync"], os"host"+"name") to evade static string matching. The behavior is framed with an 'analytics/telemetry' cover story and opt-out env vars. lib/telemetry.js additionally assembles a base64-encoded payload (Buffer.from(chunks, "base64")) and executes it via the same spawn/chmod chain, providing a second load-time RCE path.

Database specific 
{
    "malicious-packages-origins": [
        {
            "versions": [
                "35.8.1"
            ],
            "id": "IN-MAL-2026-017009",
            "import_time": "2026-08-07T12:51:22.043229333Z",
            "modified_time": "2026-08-07T12:30:35Z",
            "source": "amazon-inspector",
            "sha256": "98b117a5b8b618c0597bcc422e68216cd3626389417aec2940febf447c033a88"
        }
    ]
}
References
Credits

Affected packages

npm / dolyame-ui-focusstatehoc

Package

Name
dolyame-ui-focusstatehoc
View open source insights on deps.dev
Purl
pkg:npm/dolyame-ui-focusstatehoc

Affected ranges

Affected versions

35.*
35.8.1

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature."
    }
]
indicators 
{
    "package_integrity": [
        {
            "filename": "dolyame-ui-focusstatehoc-35.8.1.tgz",
            "hashes": {
                "sha512_sri": "sha512-kSwEu9C6Ow/FGg3aODxquCy4qgfUBUFXVYVoQNDO6VJejogOAHtR3mDQIr/qC0AVmnJXdU/DoRcTJtWx7z2meQ==",
                "sha1": "33c0423ac8867680a6976795fe4b16e1a0f7503f"
            }
        }
    ],
    "evidence_files": [
        {
            "path": "_compat.js",
            "tlsh": "1aa1976916fa30180792e5d4841f9816719af65333c4e998fb8c6a984fda134c3f39ec",
            "sha256": "a6eec2dba5b1a19c34a46f1cc627f866f127411d2d7a3f2b57fa062217ed5515"
        },
        {
            "path": "lib/telemetry.js",
            "tlsh": "85733f4966fb10214263b0685fbb40437635c4072a4aed5dba9c43ec9f8db3896f1fb9",
            "sha256": "bf2e1a131d5d809bceccbab3025a6236104d460c54279f51ced09407cd3b1ba6"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/dolyame-ui-focusstatehoc/MAL-2026-13570.json"