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UAC-0226 threat group

UAC-0226 is a threat group. Public reporting about it is still limited. This free profile brings together what is known about it, so you can judge the risk to you. It lists the other names the group goes by and links to every public report behind it.

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Attack techniques
0
Public reports
2
Thought to operate from
Not known
Other names
None
Built from public reporting, with every source listed below.
Overview

Who is UAC-0226?

UAC-0226 is tracked under one name in security research. Below is what published reporting says about it, with a link to every report so you can check the detail yourself.

What public reporting says

UAC-0226 is a cyber-espionage group targeting Ukrainian military, law enforcement, and local government entities—particularly near the eastern border—since February 2025. Initial access is achieved via phishing emails containing malicious .xlsm documents that decode and execute base64-encoded payloads stored in spreadsheet cells. Two main tools are used: a .NET-based reverse shell leveraging PowerShell code from a public GitHub repository (https://github.com/tihanyin/PSSW100AVB), and GIFTEDCROOK, a C/C++ stealer that extracts browser data (cookies, history, credentials), archives it with PowerShell, and exfiltrates via Telegram. The group often abuses compromised webmail accounts for delivery, underlining the importance of detailed email and web server logging. Their activity shows a mix of low development overhead and high operational targeting, consistent with state-aligned espionage.

Public reports about UAC-0226 (2)

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FAQ

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UAC-0226 is a threat group. Public reporting about it is still limited.

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