Types: domain.
fletchen
Fletchen is primarily documented as a sophisticated infostealer-as-a-service written in Rust, targeting browser credentials, cryptocurrency wallets, and financial data, used by groups including Hunters International; its developer also advertises ransomware services on underground forums.
Activity timeline
A dated ledger of actor-claimed victims, campaigns, indicators, identity mappings, relationships, and CVE links. Each date states what it measures. For extensive leak-site histories, victim entries are limited to the 100 most recent distinct listings.
Identity and attribution
Exact names and tracking identifiers resolve to this canonical profile. Rebrands, affiliations, and overlapping clusters remain separate confidence-rated relationships.
Name map
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