# UTA0355: threat group profile

> UTA0355 is a threat group thought to operate from Russia. 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.

Canonical page: https://www.edgeprotect.io/threat-actors/uta0355
Breadcrumb: [Home](https://www.edgeprotect.io/) > [Threat groups](https://www.edgeprotect.io/threat-actors) > UTA0355

## At a glance

| Fact | Value |
|---|---|
| Attack techniques | 0 |
| Thought to operate from | Russia |
| Other names | 0 |
| Public reports | 1 |

## Who is UTA0355?

UTA0355 is a threat group thought to operate from Russia. Public reporting about it is still limited.

### What public reporting says

> UTA0355 is a Russian threat actor that conducts phishing campaigns targeting individuals and organizations associated with Ukraine. The actor initiates contact via email, inviting targets to a video conference, and follows up through Signal or WhatsApp to enhance legitimacy. After establishing communication, UTA0355 prompts victims to log in via a malicious M365 URL, subsequently requesting approval for a 2FA authentication to access email data. Volexity assesses with high confidence that UTA0355 successfully registered devices and downloaded email data from compromised accounts.

## Public reports about UTA0355

- https://www.volexity.com/blog/2025/04/22/phishing-for-codes-russian-threat-actors-target-microsoft-365-oauth-workflows/

## Frequently asked questions

### Who is UTA0355?

UTA0355 is a threat group thought to operate from Russia. Public reporting about it is still limited.

### Where is UTA0355 thought to be based?

Public reporting places UTA0355 as operating from Russia. Attribution is never certain: it rests on the tools, infrastructure and targets researchers have seen.

### How do I know if UTA0355 is a risk to my business?

Create an account and tell us the software you run. We match it against known flaws, including those linked to threat groups, rank each one from 0 to 100 and tell you as soon as we spot something that affects you.

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