APT / THREAT GROUP🕵️ ESPIONAGEADVANCED

SunSeed

2
aliases
Last seen:Mar 17, 2026

Intelligence Profile

According to Proofpoint, this is a Lua-based malware likely used by a nation-state sponsored attacker used to target European government personnel involved in managing the logistics of refugees fleeing Ukraine.

Threat Analysis

SunSeed 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, SunSeed 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.

External References

Quick Facts

TypeAPT / Threat Group
Motivation🕵️ espionage
Sophisticationadvanced
Aliases2

Also Known As

SunSeedwin.sunseed

External Intelligence

Malpedia: win.sunseed

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.