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Threat Actors unc2452

Description

A sophisticated credential theft campaign manipulates DNS and HTTP traffic on captive portal networks at hotels, conference centers, and hospitality venues to redirect victims to attacker-controlled infrastructure. The operation harvests Microsoft 365 credentials through phishing pages, device code phishing abusing Microsoft Entra ID authentication flow, and malware delivery via ClickFix social engineering techniques. Evidence indicates compromised shared captive portal services rather than individual venue breaches, with affected gateways identified in several U.S. cities, India, and Saudi Arabia. The campaign deploys two primary malware tools: CornFlake, a Go-based RAT providing persistent access and extensive surveillance capabilities, and ChocoShell, an in-memory PowerShell stealer that harvests browser credentials, Microsoft 365 tokens, and Azure AD tokens. The operation targets travelers across multiple sectors and has expanded to include Android devices through malicious APK files.

Goals & Targeting

Targeted Countries / Regions

United States of America
British Indian Ocean Territory
India
Saudi Arabia

AI Analysis

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ATT&CK Techniques

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Software / Tooling

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Campaigns / Victims

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Observed Data

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Indicators of Compromise

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References

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Intel Summary

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Techniques

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Tools

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Campaigns

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IOCs

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Observed Data

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Tactics

Details

Type
Nation-State
Confidence
55%
Added
Aug 12, 2026
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