Actor Profile

🏹 crosslock — Ransomware

CrossLock is a short-lived Go-based ransomware group that appeared in April 2023 and went dark by July 2023, using Curve25519 and ChaCha20 encryption and double-extortion tactics with only one known confirmed victim in the IT sector in Brazil.

Classification

Ransomware

Leak-site victims

1
Ransomware.live

Associated IoCs

0
local intel

MITRE techniques

ATT&CK

Tracked

Yes
Ransomware.live

🔥 Leak-Site Victims (1)

VictimCountryPublishedDomain
validcertificadora.com.br BR 2023-04-17T17:00:38.913300+00:00 validcertificadora.com.br

Source: Ransomware.live leak-site monitoring (cached, offline-safe).

🧭 Intelligence disciplines

CYBINT →OSINT →HUMINT →GEOINT →
Live group profile & victims via Ransomware.live; ATT&CK technique hints are a static reference for well-known groups. All network calls cached & offline-safe.
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