PoisonSeed
Intelligence Profile
PoisonSeed is a threat actor employing an MFA-resistant phishing kit to acquire credentials from individuals and organizations, primarily targeting email infrastructure for cryptocurrency-related spam. They utilize spear-phishing emails with malicious links, automate bulk downloading of email lists, and capture authentication cookies to bypass MFA. PoisonSeed has been linked to campaigns that exploit cross-device sign-in features and employ tactics such as cryptocurrency seed phrase poisoning. Their infrastructure includes domains registered through NICENIC and hosted on Cloudflare, with a focus on phishing CRM and bulk email provider credentials.
Threat Analysis
PoisonSeed is a advanced-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of espionage.
The group's espionage-oriented operations suggest a state-sponsored or state-aligned mandate, typically focused on stealing intellectual property, government secrets, or military intelligence. Targets are usually selected for strategic value rather than financial gain.
Classified as an advanced threat actor, PoisonSeed likely develops or acquires zero-day exploits, employs custom malware toolchains, and demonstrates long-term persistence capabilities — hallmarks of a well-resourced operation consistent with nation-state backing.