mal-2025-191663
Vulnerability from ossf_malicious_packages
Published
2025-10-26 19:28
Modified
2025-12-03 00:04
Summary
Malicious code in syschecker (PyPI)
Details

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

Source: kam193 (81ab746bf511a8c6c41c5776e5688c310a5255c65fda0fad65e31b1ed534dc91)

Package downloads and runs an obfuscated bat file, which executes malicious activity according to VirusTotal results.


Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-10-windowsrequir

Reasons (based on the campaign):

  • impersonation

  • Downloads and executes a remote malicious script.

  • malware


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "syschecker",
        "purl": "pkg:pypi/syschecker"
      },
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)"
    },
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    },
    {
      "contact": [
        "https://www.reversinglabs.com"
      ],
      "name": "ReversingLabs",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "stellar-conquest.fr"
      ],
      "urls": [
        "http://stellar-conquest.fr/launcher.bat"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-05641",
        "import_time": "2025-12-02T09:09:39.721230121Z",
        "modified_time": "2025-12-01T12:55:05Z",
        "sha256": "d0e2650f83ac021e35ac310d0c8c619f764d830aa00946ad88216d551896d019",
        "source": "reversing-labs",
        "versions": [
          "1.0.0"
        ]
      },
      {
        "id": "pypi/2025-10-windowsrequir/syschecker",
        "import_time": "2025-12-02T22:30:55.621165396Z",
        "modified_time": "2025-10-26T19:28:00.829784Z",
        "sha256": "9a4acaadc3325f04ceaef679cde8994c5c045700d666cf5c25f9a5448b0f0bea",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      },
      {
        "id": "pypi/2025-10-windowsrequir/syschecker",
        "import_time": "2025-12-02T23:07:18.662052412Z",
        "modified_time": "2025-10-26T19:28:00.829784Z",
        "sha256": "81ab746bf511a8c6c41c5776e5688c310a5255c65fda0fad65e31b1ed534dc91",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (81ab746bf511a8c6c41c5776e5688c310a5255c65fda0fad65e31b1ed534dc91)\nPackage downloads and runs an obfuscated bat file, which executes malicious activity according to VirusTotal results.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-10-windowsrequir\n\n\nReasons (based on the campaign):\n\n\n - impersonation\n\n\n - Downloads and executes a remote malicious script.\n\n\n - malware\n",
  "id": "MAL-2025-191663",
  "modified": "2025-12-03T00:04:28Z",
  "published": "2025-10-26T19:28:00Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://www.virustotal.com/gui/file/7b54915ac4e6d820bec7782cb02adb0d9ef7a3e9532a7e45d9e29bb220f3d079/detection"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.virustotal.com/gui/file/ac5ce135f96d67e8cc61887a9343468f72cd034af266ae65da2d5f1797ca28e7/detection"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/syschecker"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in syschecker (PyPI)"
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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