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TLP:WHITE6 IOCs

Cleaning Out Inboxes: TA488 Comes for Outlook with Another Half-Click Exploit

PT
Proofpoint Threat Insight
Published July 29, 2026Original Report

Threat Actors

Malware Families

Diamond Model

SOCIAL AXISTECHNOLOGY AXISADVERSARYTA488INFRASTRUCTUREasecdns.comdnsrecursive.euacocdn.comCAPABILITYCobalt StrikeVICTIMunknown
Adversary(1)
Infrastructure(4)
Capability(1)
Victim

Indicators of Compromise

6 indicators

TypeIndicatorConfidenceScoreFirst Seen
Domainasecdns.comHighScore 86/100First seen
SHA2566897b649f29e54d8910459963bbf94ed5c7a4fe66a56bc5962540b226b8e48c4HighScore 85/100First seen
Domaindnsrecursive.euMediumScore 43/100First seen
CVECVE-2026-42897HighScore 69/100First seen
Domainacocdn.comHighScore 86/100First seen
Domaintdndns.comMediumScore 43/100First seen

IOC Relationship Graph

6 total IOCs
DomainSHA256CVE
Domain4SHA2561CVE1Actors1Malware1Cleaning Out Inboxes: TA488 Comes for Outlook with Another Half-Click ExploitREPORTasecdns.comdnsrecursive.euacocdn.comtdndns.com6897b649f29e54d89104…CVE-2026-42897TA488Cobalt Strike
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