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1 malware familyExploits CVEs in the wild

UNC2633

Also known asunc2633

UNC2633 is described in the provided content as a distribution threat cluster. Mandiant observed UNC2633 exploiting CVE-2022-30190 (Follina) and using that zero-day vulnerability to distribute QAKBOT. No additional high-confidence details about attribution, targeting, aliases, sub-groups, or broader tactics and procedures are provided in the content beyond its role in Follina-based malware distribution.

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MITRE ATT&CK

Tradecraft

2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

2 of 15 tactics2 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0001
Initial Access
1 technique
T1566
Phishing
TA0002
Execution
1 technique
T1203
Exploitation for Client Execution
ARSENAL

Associated malware families

1 malware family attributed to this actor across reporting.

FamilyContextEvidenceLast seen
QakBot"In at least two of those instances, UNC2633 used the zero-day vulnerability to distribute QAKBOT on the victims' networks."1Mar 8, 2026
WEAPONIZED

Associated vulnerabilities

1 CVE this actor has used in observed campaigns. 1 of them exploited in the wild.

CVE-2022-30190FollinaIn the wildEvidence1

Multiple groups exploiting CVE-2022-30190 (aka Follina) in early 2022... suspected Chinese activity exploiting CVE-2022-30190 (aka Follina) in Microsoft Diagnostics Tool (MDST) that would allow an attacker to execute arbitrary code... APT28 exploited CVE-2022-30190 (aka Follina) in early June 2022... UNC2633... exploit CVE-2022-30190 (aka Follina)... to distribute QAKBOT.

ACTIVITY FEED

Recent activity

1 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.

1 SOURCESView more in app

No news coverage yet. Advisories and community discussion only.

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Target overlap

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Tradecraft mapping2

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal1

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs1

CVEs this actor has used in known campaigns.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Observables

Domains, IPs, and hashes tied to this actor, refreshed continuously.