mal-2026-13640
Vulnerability from ossf_malicious_packages
-= Per source details. Do not edit below this line.=-
Source: amazon-inspector (6f3461050b5714edca455c0fd78e979cd5efbdfeeb375016aeb4fe4523f47682)
On require(), index.js loads adapter.js which selects a platform-specific payload (linux x64/arm64, darwin, win32) and fetches it from string-split-obfuscated hosts including oob-worker.cf1-01-adf.workers.dev and sdk.dl.wel1.ru, with a DNS-TXT fallback over *.dl.wel1.ru. The retrieved bytes are written to a hidden temp file, chmodded to 0755 on POSIX, and executed detached via spawn("/bin/sh", ["-c", filePath + " &"]) or spawn("cmd",...) on Windows. A second parallel dropper exists in the package's main module lib/telemetry.js under an 'analytics SDK' cover story, reproducing the base64/DNS-TXT decode, chmod 0755, and /bin/sh execution path. Hostnames and the string 'child_process' are assembled at runtime from split arrays (e.g. require("child" + "process"), ['sdk.dl.wel1.ru'].join(""), ['ext.dl.we','l1.','ru'].join("")) to evade static detection. No signature or hash verification is performed; destinations are not the declared publisher's infrastructure. The package name mimics an internal-looking scope (sme-rko-finance-front-operations-notifications-impl) consistent with a dependency-confusion lure.
- CWE-506 - The product contains code that appears to be malicious in nature.
{
"affected": [
{
"database_specific": {
"cwes": [
{
"cweId": "CWE-506",
"description": "The product contains code that appears to be malicious in nature.",
"name": "Embedded Malicious Code"
}
],
"indicators": {
"evidence_files": [
{
"path": "_adapter.js",
"sha256": "0620ce7aec613b40b72c09aaf26e0079b823eb5c906bf71e94c841249f400277",
"tlsh": "f5a1955a1afb302906d3e1d8841b5816719ae5533284d9d4fb4c66988f9b138c3f39fc"
},
{
"path": "lib/telemetry.js",
"sha256": "f5a456deacee848db71c214204a4fd5729aa1b8ecb8de01897884f3e36ba4594",
"tlsh": "aa73304966fb10214263b0685ebb40437635c4072a4eed5dba9c43ec9f8db3896f1fb9"
}
],
"package_integrity": [
{
"filename": "sme-rko-finance-front-operations-notifications-impl-35.8.1.tgz",
"hashes": {
"sha1": "335e4603248e4530fcf9e5eed40ee888757026bb",
"sha512_sri": "sha512-FvziW2Whmi1EV/vnSsoyT+Mn6E34JOkN9pOIvgyKxeAbWgfuVQeqeKKUJZd9yMtsSDHIzO9hkMplooz/l3Gluw=="
}
}
]
}
},
"package": {
"ecosystem": "npm",
"name": "sme-rko-finance-front-operations-notifications-impl"
},
"versions": [
"35.8.1"
]
}
],
"credits": [
{
"contact": [
"inspector-research@amazon.com"
],
"name": "Amazon Inspector",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "IN-MAL-2026-017167",
"import_time": "2026-08-08T00:53:08.203909633Z",
"modified_time": "2026-08-08T00:47:40Z",
"sha256": "6f3461050b5714edca455c0fd78e979cd5efbdfeeb375016aeb4fe4523f47682",
"source": "amazon-inspector",
"versions": [
"35.8.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (6f3461050b5714edca455c0fd78e979cd5efbdfeeb375016aeb4fe4523f47682)\nOn require(), index.js loads _adapter.js which selects a platform-specific payload (linux x64/arm64, darwin, win32) and fetches it from string-split-obfuscated hosts including oob-worker.cf1-01-adf.workers.dev and sdk.dl.wel1.ru, with a DNS-TXT fallback over *.dl.wel1.ru. The retrieved bytes are written to a hidden temp file, chmodded to 0755 on POSIX, and executed detached via spawn(\"/bin/sh\", [\"-c\", filePath + \" \u0026\"]) or spawn(\"cmd\",...) on Windows. A second parallel dropper exists in the package\u0027s main module lib/telemetry.js under an \u0027analytics SDK\u0027 cover story, reproducing the base64/DNS-TXT decode, chmod 0755, and /bin/sh execution path. Hostnames and the string \u0027child_process\u0027 are assembled at runtime from split arrays (e.g. require(\"child_\" + \"process\"), [\u0027sdk.dl.wel1.ru\u0027].join(\"\"), [\u0027ext.dl.we\u0027,\u0027l1.\u0027,\u0027ru\u0027].join(\"\")) to evade static detection. No signature or hash verification is performed; destinations are not the declared publisher\u0027s infrastructure. The package name mimics an internal-looking scope (sme-rko-finance-front-operations-notifications-impl) consistent with a dependency-confusion lure.\n",
"id": "MAL-2026-13640",
"modified": "2026-08-08T00:47:40Z",
"published": "2026-08-08T00:47:40Z",
"references": [
{
"type": "PACKAGE",
"url": "https://www.npmjs.com/package/sme-rko-finance-front-operations-notifications-impl/v/35.8.1"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in sme-rko-finance-front-operations-notifications-impl (npm)"
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.