# REF9403

> As of 2026-07-17, REF9403 is a North Korea-nexus threat actor tracked by Threadlinqs Intelligence across 1 threat spanning malware. Also known as Contagious Interview, Contagious Interview - G1052.

- **Nation:** North Korea
- **Tracked threats:** 1
- **Categories:** MALWARE
- **Also known as:** Contagious Interview, Contagious Interview - G1052
- **As of:** 2026-07-17

## Tracked threats

- [North Korea-Linked Contagious Interview Actors (REF9403) Hide OtterCookie-Aligned Malware in SVG Flag Images](https://intel.threadlinqs.com/threat/TL-2026-1452) — HIGH

## Full data

Infrastructure, IOC values and detection queries (Splunk SPL / Microsoft KQL / Sigma) require the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp

Canonical: https://intel.threadlinqs.com/actor/REF9403