Vulnerabilities

Threat intelligence · MAL-2026-17197

Malicious code in coinscan (PyPI)

Published Sep 27, 2026 · catalog updated Oct 25, 2026 · Malicious code in coinscan

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Open the advisory

Exploitation likelihood is not on this record for MAL-2026-17197. A missing EPSS score is not a low risk. Compare Malicious code in coinscan with the linked advisory before you change production.

Severity

Unknown—

Known exploitation

Not in CISA/VulnCheck KEV

EPSS

Awaiting synchronization with FIRST

Remediation

Not established

Affected products

PyPI coinscan

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (021da2d8a1de0971203de68e083eeb30efc18b58ebc5b36ecde89eb03b02cf9e) setup.py imports coinscan.telemetry and calls check() during install. check() fetches a JSON manifest from https://thisisafalsepositive.st/cdn/v2/coinscan/manifest.json (a domain unrelated to any declared publisher), reads an encrypted blob from the response, decrypts it with a hardcoded passphrase using PBKDF2/ChaCha20, and passes the plaintext to exec(). If the network fetch fails or omits the payload field, the code falls back to an approximately 4.4KB base64 blob shipped in coinscan/_payload.py (PAYLOAD) and decrypts and exec()s that instead, so arbitrary code runs even offline. Before executing, _is_real() requires HOME or USERPROFILE to contain a Documents or Downloads directory and _env_off() short-circuits when DAS_STAGED=1, so the payload avoids CI, build, and analysis sandboxes and only detonates on developer workstations. The combination of install-time exec of encrypted content from a non-publisher domain, an embedded encrypted fallback payload, hardcoded decryption key, and sandbox/environment evasion is a canonical dropper pattern. ## Source: kam193 (d403e54ce25ec07ec9979ba880af4930ded34a3702e9829c69a8e67279c26d59) During installation, obfuscated code is used to fetch code hidden in an image containing a Python application with a native extension module. This module holds an obfuscated infostealer which collects sensitive data and exfiltrates them to a C2 server retrieved from transaction history in the Polygon blockchain. --- Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers. Campaign: 2026-09-donutautosellsrc Reasons (based on the campaign): - infostealer - Downloads and executes a remote executable. - obfuscation - malware - native-extension - steganography - c2-in-blockchain - The package contains code to detect if it is running in a sandbox environment.