ThreatFox IOC Database

You are browsing the Indicator Of Compromise (IOC) database of ThreatFox. If you would like to contribute IOCs to the corpuse, you can do so through either the web form or the API.

1'771

IOCs shared (past 24 hours)

Unknown Loader

Most seen malware family (past 24 hours)

1'862'511

IOCs in corpus

Using the form below, you can search for malware samples by a hash (MD5, SHA256, SHA1), imphash, tlsh hash, ClamAV signature, tag or malware family.

Browse Database

Search syntax is as follow: keyword:search_term

Following is a list of accepted keywords along with an example search_term

ioc:ms-debug-services.com ( run)
malware:CobaltStrike ( run)
tag:TA505 ( run)
threat_type:cc_skimming ( run)
uuid:87f310f3-540b-11eb-922c-42010aa4000a ( run)

Date (UTC)	IOC	Malware	Tags	Reporter
2026-10-07 04:37	http://cf-www.com/1ljwopubl8al3z	Unknown malware	castle ClickFix DOUBLECUP msi	emilstahl
2026-10-03 08:32	5981eeb3cacfbd2e50b63c7f1db9c839b4f7f1c89099fd7c910d338afb06708a	Unknown malware	castle ClickFix DOUBLECUP WordPress	emilstahl
2026-10-03 08:32	1f32bc74b1f8285595d0ac7ae6f531b0a6cfb23a36d709b5f2639e547691f422	Unknown malware	castle ClickFix DOUBLECUP WordPress	emilstahl
2026-10-03 08:32	c485a0568220d74661573f03f4cb4dff591499b9fbcbf67778d0f9844ea12b02	Unknown malware	castle ClickFix DOUBLECUP WordPress	emilstahl
2026-10-03 08:32	56fb75646647776747bdcb1218c72e773b8deac7f1de24a0781351b2c67815ce	Unknown malware	castle ClickFix DOUBLECUP WordPress	emilstahl
2026-10-03 08:32	3b8324910141d13f41c1569ba0c8628fc51776ee0e8d03ed7dd03dc5d2bb9915	Unknown malware	castle ClickFix DOUBLECUP WordPress	emilstahl
2026-10-03 08:32	2d65275fc450ee85d46cc235ecade6f50b40244185b612726f5b5b3ab35d2583	Unknown malware	castle ClickFix DOUBLECUP WordPress	emilstahl
2026-10-03 08:32	beb8d114a0c2207b22a3d2e79159d1ac4de277cbea66b0a1a238cfef647957cb	Unknown malware	castle ClickFix DOUBLECUP WordPress	emilstahl