mal-2025-6487
Vulnerability from ossf_malicious_packages
Published
2025-07-15 11:04
Modified
2025-12-11 09:27
Summary
Malicious code in crto0 (PyPI)
Details

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

Source: kam193 (8bdcf6d997fa4676ca2da647171f21e944f9b7d0f34010e6ea8da42364a2d03d)

Importing the module starts downloading or decrypting, and then executing an executable being a wide recognized malware/Infostealer (Redline family)


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

Campaign: 2025-07-crpt

Reasons (based on the campaign):

  • infostealer

  • Downloads and executes a remote executable.

  • Downloads and executes a remote malicious script.

  • exfiltration-crypto

  • malware


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "crto0",
        "purl": "pkg:pypi/crto0"
      },
      "versions": [
        "1.0.7"
      ]
    }
  ],
  "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://raw.githubusercontent.com/cmderr11/cryptu/refs/heads/main/cryptu.py",
        "https://raw.githubusercontent.com/cmderr11/crt1/refs/heads/main/crt1.py"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-03578",
        "import_time": "2025-08-01T10:07:10.674529788Z",
        "modified_time": "2025-07-31T19:14:46Z",
        "sha256": "81a159e6209737c1bd1bcb69811610d6559eac3635599081c59ef32545161882",
        "source": "reversing-labs",
        "versions": [
          "1.0.7"
        ]
      },
      {
        "id": "pypi/2025-07-crpt/crto0",
        "import_time": "2025-12-02T22:30:55.076007169Z",
        "modified_time": "2025-07-15T11:04:47.927115Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "cd86874b6b3f455ff48d6b57466c44fea2da4faf01f891aaa39ea0f0b36fcd8d",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-crpt/crto0",
        "import_time": "2025-12-02T23:07:18.085753844Z",
        "modified_time": "2025-07-15T11:04:47.927115Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "8bdcf6d997fa4676ca2da647171f21e944f9b7d0f34010e6ea8da42364a2d03d",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-crpt/crto0",
        "import_time": "2025-12-10T21:38:57.377987707Z",
        "modified_time": "2025-07-15T11:04:47.927115Z",
        "sha256": "3ff2781240b6e360a4a3a4e753225548b5f9f68e456d0b5d188aa1d1f587b2ef",
        "source": "kam193",
        "versions": [
          "1.0.7"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (8bdcf6d997fa4676ca2da647171f21e944f9b7d0f34010e6ea8da42364a2d03d)\nImporting the module starts downloading or decrypting, and then executing an executable being a wide recognized malware/Infostealer (Redline family)\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-07-crpt\n\n\nReasons (based on the campaign):\n\n\n - infostealer\n\n\n - Downloads and executes a remote executable.\n\n\n - Downloads and executes a remote malicious script.\n\n\n - exfiltration-crypto\n\n\n - malware\n",
  "id": "MAL-2025-6487",
  "modified": "2025-12-11T09:27:52Z",
  "published": "2025-07-15T11:04:47Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://www.virustotal.com/gui/file/eb7f339a21ac7d8a5f530ba0d7278e2e5f64ee039b200c2f4ee9b98bbfad1ba6"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/crto0"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in crto0 (PyPI)"
}


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Sightings

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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.
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  • 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.


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