MicroStealer is a newly identified, fast-spreading infostealer that targets sensitive corporate and personal data, including browser credentials, session cookies, and cryptocurrency wallets. It employs a sophisticated NSIS to Electron to Java execution chain, combined with obfuscation and anti-analysis checks, to maintain a low detection rate across security vendors.
NSIS
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MicroStealer Analysis: A Fast-Spreading Infostealer with Limited Detection