MAL-2026-2299

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/mnemoniclib/MAL-2026-2299.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-2299
Published
2026-03-30T12:02:35Z
Modified
2026-03-30T13:02:18Z
Summary
Malicious code in mnemoniclib (PyPI)
Details

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

Source: kam193 (c88fa4e30e2437fef5f03db434adb0f34ee48d8bec2d3361d123b10086b28772)

Clone of a legitimate library with added malicious code that runs during generating a new mnemonic. The malicious code collects data related to cryptocurrency wallets and selected other files, and exfiltrate them to a hardcoded location.

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

Campaign: 2026-03-mnemoniclib

Reasons (based on the campaign):

  • clones-real-package

  • action-hidden-in-lib-usage

  • crypto-related

  • exfiltration-crypto

  • files-exfiltration

Database specific 
{
    "iocs":  {
        "ips":  [
            "65.21.205.84"
        ],
        "urls":  [
            "http://65.21.205.84:5000/upload"
        ]
    },
    "malicious-packages-origins":  [
        {
            "id":  "pypi/2026-03-mnemoniclib/mnemoniclib",
            "import_time":  "2026-03-30T12:50:52.341613423Z",
            "modified_time":  "2026-03-30T12:02:35.616053Z",
            "sha256":  "c88fa4e30e2437fef5f03db434adb0f34ee48d8bec2d3361d123b10086b28772",
            "source":  "kam193",
            "versions":  [
                "0.20.1",
                "0.21.1",
                "0.22.1"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / mnemoniclib

Package

Name
mnemoniclib
View open source insights on deps.dev
Purl
pkg:pypi/mnemoniclib

Affected ranges

Affected versions

0.*
0.20.1
0.21.1
0.22.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/mnemoniclib/MAL-2026-2299.json"