HOMETHREATSDenim Tsunami
APT / THREAT GROUP🕵️ ESPIONAGEADVANCED

Denim Tsunami

🇦🇹AT-attributed
1
campaigns
3
aliases
Last seen:Mar 17, 2026

Intelligence Profile

Denim Tsunami is a threat actor group that has been involved in targeted attacks against European and Central American customers. They have been observed using multiple Windows and Adobe 0-day exploits, including one for CVE-2022-22047, which is a privilege escalation vulnerability. Denim Tsunami developed a custom malware called Subzero, which has capabilities such as keylogging, capturing screenshots, data exfiltration, and running remote shells. They have also been associated with the Austrian spyware distributor DSIRF.

Threat Analysis

Denim Tsunami is a advanced-sophistication threat actor attributed to AT, 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, Denim Tsunami 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.

Known Campaigns

Denim Tsunami — Active Operations March 2026

Denim Tsunami is a espionage threat actor attributed to AT. Denim Tsunami is a threat actor group that has been involved in targeted attacks against European and Central American customers. They have been observed using multiple Windows and Adobe 0-day exploits, including one for CVE-2022-22047, which is a privilege escalation vulnerabili...

ACTIVEHIGH2026

External References

Quick Facts

TypeAPT / Threat Group
Motivation🕵️ espionage
Sophisticationadvanced
Origin🇦🇹 AT
Aliases3
SourceMalpedia

Also Known As

Denim TsunamiDSIRFKNOTWEED

Research Links

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