ACT-2207
SuspectedA single-sighting actor, fingerprinted to Qwen. No repeat activity linked yet.
Identity & linking
Wallet0xda4d92c7…03
Model familyQwen
Linked byWallet
SurfacesOPTIMISM
First seen27 Oct 2026, 06:20
Last seen27 Oct 2026, 06:20
Home regionTokyo, JP
Recommended action
Block this wallet in your contract allowlist.
Model fingerprint
unclassifiedMost likely model
Unknown
Confidence
—
Qwen
20%
GPT
20%
Claude
20%
Mistral
18%
Llama
18%
Behaviour leans Qwen but isn't separable yet (1 signal). Needs a longer correlated trail.
Fingerprinted from behaviour against bait — which lures it takes and whether it probes first — scored against measured per-model profiles. Signal: 1 step. A single sighting rarely separates models; confidence rises as a correlated actor builds a multi-step trail (research: ~59% from 3 steps, ~85% over a whole run).
Where this actor struck
ConfirmedSuspectedWatchCoarse infrastructure regions — never IP addresses.
Attack trail — 1 incident
Wallet drained a decoy vault that pays only dust, then followed the breadcrumb trail to further bait.
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