Disclosure context

About gunra

Gunra is an emerging ransomware group that was first observed in April 2025, operating with primarily financial motivations based on their targeting patterns across multiple high-value sectors. The group's origin and affiliations remain unclear due to limited public documentation from major security vendors, though their geographic targeting suggests possible international operations given their focus on victims across Brazil, South Korea, Japan, Canada, and Egypt. With approximately 20 known victims to date, Gunra appears to follow conventional ransomware attack methodologies typical of financially-motivated cybercriminal groups, though specific technical details regarding their initial access vectors, encryption methods, or use of double extortion tactics have not been publicly documented by major threat intelligence sources. The group demonstrates opportunistic targeting behavior, focusing primarily on manufacturing organizations while also compromising entities in healthcare, technology, and financial services sectors, suggesting they may operate opportunistically rather than with highly specialized sector expertise. Given the recent emergence of this group in April 2025 and limited public reporting from established threat intelligence organizations such as CISA, FBI, or major security vendors, Gunra's current operational status, technical capabilities, and long-term threat trajectory require continued monitoring as more intelligence becomes available. The group has been linked to 36 public disclosures across our corpus. First observed on a leak site on April 23, 2025; most recent post April 8, 2026. The operation is currently active.

Timeline of this disclosure

April 8, 2026triotech.com.sg listed by gunraon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 2,524 disclosures indexed across all operators we track. Geographically, triotech.com.sg is reported in SG, a country with 33 ransomware disclosures in our corpus.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.

Ransomware victim disclosure

← All victims

Trio-Tech International

listed as triotech.com.sg · Claimed by gunra · listed 1 month ago

42d

Age

since listed · data leaked

Status timeline

Listed
Apr 8, 2026
Data leaked

At a glance

Group: gunra
Status: Data leaked
Country: SG
Sector: Technology
Listed on leak site: Apr 8, 2026

About the victim

AI dossier — public-source company profile

Trio-Tech International is a Singapore-based provider of semiconductor back-end solutions and industrial electronics services with over 60 years of global expertise. The company serves clients in the semiconductor and industrial sectors, offering testing, burn-in, and related technical services. It operates internationally with a primary listing and presence tied to Singapore and the broader Asia-Pacific region.

Industry: Semiconductor & Industrial Electronics Testing Services

Attack summary

Severity: high — Data has been published by the threat actor, confirming exfiltration from a publicly traded semiconductor and industrial electronics company, which likely includes sensitive business, financial, and operational data.

The Gunra ransomware group claims to have attacked Trio-Tech International and has published data (disclosed status: data_published), suggesting exfiltration of company data, though no specific data volume or ransom amount has been stated.

high

Data the group says was taken

AI dossier — extracted from the leak post

Business/IT infrastructure data
Internal company documents

Original description

AI-summarised, not from the leak post

Triotech is a Singapore-based technology company operating in the IT solutions and services industry. The company provides a range of technology products and services including networking, infrastructure, and IT support solutions to businesses. Serving clients primarily in Singapore, Triotech focuses on delivering integrated technology solutions to help organizations manage and optimize their IT environments efficiently.

Sources

Victim sitetriotech.com
Leak posthttp://lgiil72vkmdtbc3qv4tyq6wedyjxqr2qd4ze7xl2cxgerdnymxj7soqd.onion/company/-jkHgiHpWSP6PRVqrFl4a

Source

Indexed 1 month ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.