Contagious InterviewThreat actor
- DeceptiveDevelopment
- DEV#POPPER
- gwisin gang
- tag-121
- tenacious pungsan
Contagious Interview is a North Korea–aligned threat group active since 2023. The group conducts both cyberespionage and financially motivated operations, including the theft of cryptocurrency and user credentials. Contagious Interview targets Windows, Linux, and macOS systems, with a particular focus on individuals engaged in software development and cryptocurrency-related activities.From MISP Galaxy
Last reported 9 days ago, by AhnLab ASEC25 reports
ATT&CK techniques
6 of 65 · each with the sentence it comes from- T1684Social Engineering
“This social engineering pattern is already in use.”
- T1195Supply Chain Compromise
“Each of these maps to specific MITRE ATT&CK techniques: T1552 (Unsecured Credentials), T1195 (Supply Chain Compromise), T1070.006 (Timestomp), and T1059 (Command and Scripting Interpreter).”
- T1053.005Scheduled Task
“Callisto deployed CosmicPulse using RedFlick (a scheduled task-based delivery technique), while UAC-0099 attempted to disrupt AI analysis using GuardBreaker (an LLM-based obfuscation technique).”
- T1056.001Keylogging
“T1056.001: Input Capture: Keylogging”
- T1036Masquerading
“This module sets its process title to npm-cache, masquerading as a benign npm caching process to avoid suspicion in Windows Task Manager or process listings.”
- T1041Exfiltration Over C2 Channel
“T1041: Exfiltration Over C2 Channel”
Reports per month
last 12 monthsOctober so far (hatched). Counted by report, not by story.
What the reports say
25 reports · the newest 20, newest first · the exact sentence from each-
September 2026 Threat Trend Report on APT Groups“Famous Chollima’s “Contagious Interview” relied on OtterCookie (malware with Information Theft and remote access capabilities), while PolinRider focused on propagation using compromised GitHub accounts and repositories.”
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 116“North Korean “WaterPlum,” commonly referred to as “Contagious Interview,” Cyber Actor Group Targeting IT Professionals; Activities of North Korean IT Workers in Japan, the United States and Europe”
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Security Affairs newsletter Round 597 by Pierluigi Paganini – INTERNATIONAL EDITION“North Korean “WaterPlum,” commonly referred to as “Contagious Interview,” Cyber Actor Group Targeting IT Professionals; Activities of North Korean IT Workers in Japan, the United States and Europe”
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Attackers Use Malicious Terraform Providers to Deliver Go Malware via HashiCorp Registry“The Rust project said the modus operandi overlaps with the Contagious Interview campaign tied to North Korea, urging contributors and crate owners to exercise caution, ensure multi-factor authentication (MFA) is enabled, and check their accounts for unexpected logins.”
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Risky Bulletin: Network of 10,000 AI servers masks Chinese malicious activity“Contagious Interview: Atlassian's security team has published a 44-page report on Contagious Interview, the North Korean hacking op using fake job interviews as a way to infect targets with malware.”
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North Korean Attackers Hit 30,000 Devices and Steal $10.7m“North Korea's WaterPlum group, commonly referred to as Contagious Interview, has infected at least 30,000 devices in more than 100 countries and taken funds or credentials from over 7,000 cryptocurrency wallets, according to a new joint advisory.”
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Risky Bulletin: Gemini hacked three companies too“The group is involved in North Korea's Contagious Interview operations.”
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Don’t Call Us, We’ll Call Your APIs | TraderTraitor Backdoors Resurface on Victim With No Crypto Ties“Each campaign related to this wave of activity uses social engineering via fake job interview lures, a traditional Contagious Interview approach common among DPRK actors.”
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7th September – Threat Intelligence Report“Researchers have analyzed new macOS delivery activity linked to North Korea’s Contagious Interview campaign.”
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Identity Abuse Through Trusted Communication Channels“Fireblocks assessed the activity as closely aligned with the North Korea-linked Contagious Interview campaign pattern.”
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Six npm Packages Read C2 Addresses From Ethereum Wallet“…searchers at OpenSourceMalware, who named the technique NullReceiver and attributed the activity they examined to the DPRK-linked Contagious Interview campaign, associated with the Lazarus group.”
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Before the first prompt: Code execution paths in trusted coding-agent projects“In the Contagious Interview campaign described by Microsoft, fake recruiters convinced developers to clone and trust malicious projects, after which Visual Studio Code ran a project task.”
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New North Korean campaign uses fake coding interviews to steal developer credentials“Elastic Security Labs found a new Contagious Interview campaign, tracked as REF9403, hiding malware inside SVG image files using steganography.”
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Lazarus ClickFake Interview Campaign: ClickFix Malware“Sekoia's analysts assess with high confidence that this campaign is in the continuity of Contagious Interview, a campaign documented by Palo Alto in November 2023, and that it particularly targets centralised finance entities, aligning with the 2024 trend of Lazarus shifting from…”
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Reporte de Actividad APT del cuarto trimestre de 2025 al primero de 2026“Lazarus y DeceptiveDevelopment continuaron invirtiendo en la construcción de relaciones a largo plazo con objetivos de alto valor, mientras que Kimsuky y Konni favorecieron ataques más rápidos y oportunistas.”
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ESET APT Activity Report Q4 2025–Q1 2026“Lazarus and DeceptiveDevelopment continued to invest in long-term relationship building with high-value targets, while Kimsuky and Konni favored quicker, more opportunistic attacks.”
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PHANTOMPULSE: anatomy of a hijackable blockchain-C2 RAT“…infrastructure choices align with the DPRK-aligned crypto-targeting intrusion clusters that include Lazarus, BlueNoroff, UNC5342 (Contagious Interview), and APT38.”
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CI/CD pipeline abuse: the problem no one is watching“| vscode_auto_task | runOn.*folderOpen | VS Code task that executes on folder open (Contagious Interview) |”
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Void Dokkaebi Uses Fake Job Interview Lure to Spread Malware via Code Repositories“The malware in brief: DEV#POPPER RAT variant”
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APT Lazarus: Eager Crypto Beavers, Video calls and Games“Beaver fever has continued into 2024 with the Lazarus-led Contagious Interview campaign still creating all sorts of mayhem.”
Indicators in its reports
named in the reports above- itorrents[.]orgin 1 report
- exploit[.]inin 1 report
- obfuscator[.]ioin 1 report
Copy these 3 indicators · defanged
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