APT / THREAT GROUP💰 FINANCIALHIGH

UNC4393

5
aliases
Last seen:Mar 17, 2026

Intelligence Profile

UNC4393 is a financially motivated threat actor primarily using BASTA ransomware. They have been active since early 2022 and have targeted over 40 organizations across various industries. UNC4393 has shown a willingness to cooperate with other threat clusters for initial access and has evolved from using existing tools to developing custom malware. They focus on efficient data exfiltration and multi-faceted extortion, often utilizing tools like COGSCAN and RCLONE for reconnaissance and data theft.

Threat Analysis

UNC4393 is a high-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of financial.

Financially motivated threat actors like UNC4393 prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.

With high sophistication, UNC4393 is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

External References

Quick Facts

TypeAPT / Threat Group
Motivation💰 financial
Sophisticationhigh
Aliases5
SourceMalpedia

Also Known As

CURLY SPIDERUNC4393CardinalStorm-1811STAC5777

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
UNC4393 — APT / Threat Group | Threat Intelligence | CTIWATCH.COM