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IOC Radar

Indicators are what attackers leave behind. Stolen credentials are what they arrive with.

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2 IOCs

GoFlateLoader Malware Drops Lumma, Vidar, and StealC Payloads

Cyber Press
Cyber Press
Published June 11, 2026Original Report

Malware Families

Excerpt

Threat actors are proving that malware does not need to be highly sophisticated to be incredibly effective. The GoFlateLoader malware is a prime example of this growing trend. Written in Go, this simple loader has a single purpose: to decode and execute malicious payloads directly in a computer’s memory. Since April 2026, security researchers have blocked this active threat for over 33,000 unique users globally. The campaign has heavily impacted countries like Brazil,…

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Diamond Model

SOCIAL AXISTECHNOLOGY AXISADVERSARYunknownINFRASTRUCTUREunknownCAPABILITYLummaStealcVidarVICTIMunknown
Adversary
Infrastructure
Capability(3)
Victim

Attack Flow5 steps · MITRE ATT&CK mapped

Defense EvasionTA0005T1036
1/5
Masquerading
ActionInflate file size with overlay
GoFlateLoader appends a massive Portable Executable (PE) overlay to inflate its file size, evading security tools with file-size limits.

Indicators of Compromise

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2 indicators

TypeIndicatorConfidenceScoreFirst Seen
SHA256ed5ae7f36453c5a23e9868a5729d67e0549a11f6dea54f5f52d654a8f51d4902MediumScore 53/100First seen
SHA256b88c5744975d2abb447aecc6c090fee9f8580413f4612eecdc6ed1973e8a1739MediumScore 53/100First seen

IOC Relationship Graph

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