Jester Stealer: An Emerging Info Stealer
ID: 182ddad3-9ffd-5fac-81be-016c74c02f78
STIX ID: report--182ddad3-9ffd-5fac-81be-016c74c02f78
Feed Name: Cyble Blog
Threat Score
Jester Stealer is a .NET info-stealer first observed on cybercrime forums in July 2021 that collects login credentials, cookies, credit card details, crypto wallets and system information, performs anti-VM/sandbox checks, stores exfiltrated data in-memory and sends it via a Tor .onion C2 or fallback to Telegram/AnonFiles; the report provides technical analysis, multiple sample hashes, a YARA rule, MITRE ATT&CK mappings and recommended mitigations.
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