mal-2025-6486
Vulnerability from ossf_malicious_packages
Published
2025-07-13 13:25
Modified
2025-12-31 02:45
Summary
Malicious code in crpt1 (PyPI)
Details

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

Source: kam193 (32fcd21a633d14f2794d9038f21c5ba7ecb5178bdb7205e6b0a90e4fc87486b2)

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": "crpt1",
        "purl": "pkg:pypi/crpt1"
      },
      "versions": [
        "1.0.0",
        "1.0.2",
        "1.7.0",
        "1.8.0",
        "1.9.0"
      ]
    }
  ],
  "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": {
      "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-2025-03577",
        "import_time": "2025-08-01T10:07:10.641189486Z",
        "modified_time": "2025-07-31T19:14:45Z",
        "sha256": "35c2145caeebd6f9d05b2b9033a7525da0d0e9612446d531776af57cb1f218b0",
        "source": "reversing-labs",
        "versions": [
          "1.0.0",
          "1.0.2",
          "1.7.0",
          "1.8.0",
          "1.9.0"
        ]
      },
      {
        "id": "pypi/2025-07-crpt/crpt1",
        "import_time": "2025-12-02T22:30:55.075194931Z",
        "modified_time": "2025-07-13T13:25:08.432435Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "b251e28b270d336f209287366d71640c5107ac2893d52abb7139473372f1b1eb",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-crpt/crpt1",
        "import_time": "2025-12-02T23:07:18.085002162Z",
        "modified_time": "2025-07-13T13:25:08.432435Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "32fcd21a633d14f2794d9038f21c5ba7ecb5178bdb7205e6b0a90e4fc87486b2",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-crpt/crpt1",
        "import_time": "2025-12-10T21:38:57.377067712Z",
        "modified_time": "2025-07-13T13:25:08.432435Z",
        "sha256": "fee5503cd4e99d0233d05731728e528dd6a9854231b400f539378c044bd04ec0",
        "source": "kam193",
        "versions": [
          "1.7.0",
          "1.0.0",
          "1.9.0",
          "1.8.0",
          "1.0.2"
        ]
      },
      {
        "id": "pypi/2025-07-crpt/crpt1",
        "import_time": "2025-12-30T22:39:04.062675918Z",
        "modified_time": "2025-07-13T13:25:08.432435Z",
        "sha256": "f251702634206afd0e27987ce00fbb2cc4dbb5dd21212089e4204c62927996f8",
        "source": "kam193",
        "versions": [
          "1.0.0",
          "1.0.2",
          "1.7.0",
          "1.8.0",
          "1.9.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (32fcd21a633d14f2794d9038f21c5ba7ecb5178bdb7205e6b0a90e4fc87486b2)\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-2025-6486",
  "modified": "2025-12-31T02:45:15Z",
  "published": "2025-07-13T13:25:08Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://www.virustotal.com/gui/file/eb7f339a21ac7d8a5f530ba0d7278e2e5f64ee039b200c2f4ee9b98bbfad1ba6"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/crpt1"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in crpt1 (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 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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