mal-2025-4237
Vulnerability from ossf_malicious_packages
Published
2025-05-03 11:28
Modified
2025-12-11 09:27
Summary
Malicious code in rblxfando (PyPI)
Details

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

Source: kam193 (79348147677636191e632b65c78ba37a77d2ba57abed5c9b257624b0f14ba1b8)

Importing the module starts delayed downloading and starting a remote executable identified as BlankGrabber infostealer.


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

Campaign: 2025-05-rblxfando

Reasons (based on the campaign):

  • infostealer

  • Downloads and executes a remote executable.

  • malware

  • infostealer:blankgrabber


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "rblxfando",
        "purl": "pkg:pypi/rblxfando"
      },
      "versions": [
        "0.1"
      ]
    }
  ],
  "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": "ANALYST"
    },
    {
      "contact": [
        "https://www.reversinglabs.com"
      ],
      "name": "ReversingLabs",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "iocs": {
      "urls": [
        "https://www.dropbox.com/scl/fi/ob1loh3prx2ylkyy3yesd/Built.exe?rlkey=9qgzvt2nuwf7nr6pkj2jsp98d\u0026st=h0vqjsbu\u0026dl=1"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-02594",
        "import_time": "2025-05-22T14:06:37.376723737Z",
        "modified_time": "2025-05-22T12:33:45Z",
        "sha256": "71c3190c9136aa80c45bfe59119e33d939e8600b15ecee4bb10cbc4f3340220c",
        "source": "reversing-labs",
        "versions": [
          "0.1"
        ]
      },
      {
        "id": "pypi/2025-05-rblxfando/rblxfando",
        "import_time": "2025-12-02T22:30:55.520804572Z",
        "modified_time": "2025-05-03T11:28:31Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "459f89ba5c8c6277489fa01ac51a1a2a3518da235661931c205639fe510aae8b",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-05-rblxfando/rblxfando",
        "import_time": "2025-12-02T23:07:18.547346512Z",
        "modified_time": "2025-05-03T11:28:31Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "79348147677636191e632b65c78ba37a77d2ba57abed5c9b257624b0f14ba1b8",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-05-rblxfando/rblxfando",
        "import_time": "2025-12-10T21:38:57.766455011Z",
        "modified_time": "2025-05-03T11:28:31Z",
        "sha256": "d6a7201f91dc04c7dc3779d41f23f88c22e399e65d5235b56fd5044a353a6383",
        "source": "kam193",
        "versions": [
          "0.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (79348147677636191e632b65c78ba37a77d2ba57abed5c9b257624b0f14ba1b8)\nImporting the module starts delayed downloading and starting a remote executable identified as BlankGrabber infostealer.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-05-rblxfando\n\n\nReasons (based on the campaign):\n\n\n - infostealer\n\n\n - Downloads and executes a remote executable.\n\n\n - malware\n\n\n - infostealer:blankgrabber\n",
  "id": "MAL-2025-4237",
  "modified": "2025-12-11T09:27:53Z",
  "published": "2025-05-03T11:28:31Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://tria.ge/250503-njy7na1zgs/static1"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/rblxfando"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in rblxfando (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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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