HOMETHREATSWater Saci
APT / THREAT GROUP🕵️ ESPIONAGEADVANCED

Water Saci

🇧🇷Brazil-attributed
1
campaigns
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

Water Saci is a sophisticated cyber threat actor operating in Brazil, utilizing a multi-format attack chain that includes HTA files, ZIP archives, and PDFs to bypass security measures. The campaign employs an email-based C&C infrastructure using IMAP connections to terra.com.br accounts, enhancing its resilience and evasion tactics. It leverages social engineering through WhatsApp to propagate malware, specifically the SORVEPOTEL banking trojan, and incorporates advanced techniques for infection and persistence. The modular architecture of the malware allows for dynamic adaptation and extraction of sensitive credentials, indicating a significant evolution in adversarial capabilities.

Threat Analysis

Water Saci is a advanced-sophistication threat actor attributed to Brazil, 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, Water Saci 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

Water Saci — Active Operations March 2026

Water Saci is a espionage threat actor attributed to BR. Water Saci is a sophisticated cyber threat actor operating in Brazil, utilizing a multi-format attack chain that includes HTA files, ZIP archives, and PDFs to bypass security measures. The campaign employs an email-based C&C infrastructure using IMAP connections to terra.com.br a...

ACTIVEHIGH2026

Intelligence Reports Mentioning Water Saci

External References

Quick Facts

TypeAPT / Threat Group
Motivation🕵️ espionage
Sophisticationadvanced
Origin🇧🇷 Brazil
Aliases1
SourceMalpedia

Also Known As

Water Saci

Research Links

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