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ThreatFox: ClearFake IOCs

ioc-hunt HIGH ThreatFox
DeviceFileEventsDnsEvents
iocjs-clearfakethreatfox
This rule was pulled from an open-source repository and enriched with AI. Validate in a test environment before deploying to production.
View original rule at ThreatFox →
Retrieved: 2026-08-05T11:00:00Z · Confidence: high

Hunt Hypothesis

This hunt detects adversary activity linked to the ClearFake campaign by identifying matches against a curated set of 42 Indicators of Compromise (IOCs) known to be used in its operations. Proactively hunting for these specific IOCs within Azure Sentinel is critical because ClearFake employs sophisticated evasion techniques that require early detection to prevent lateral movement and data exfiltration before the threat fully establishes persistence.

IOC Summary

Malware Family: ClearFake Total IOCs: 42 IOC Types: domain, sha256_hash

TypeValueThreat TypeFirst SeenConfidence
domainyykopfc.rumanishoes.compayload_delivery2026-08-05100%
domainrumanishoes.compayload_delivery2026-08-05100%
domainnb8myksg.sandblastingaustin.compayload_delivery2026-08-05100%
domainsandblastingaustin.compayload_delivery2026-08-05100%
domainopwiik.reesetransports.compayload_delivery2026-08-05100%
domainreesetransports.compayload_delivery2026-08-05100%
domainypcfswc.rossandrossenterprisesinc.compayload_delivery2026-08-05100%
domainrossandrossenterprisesinc.compayload_delivery2026-08-05100%
sha256_hashe89be61054b13216099ac57e5539b357dee125a3f89b6084b49230e1cfb923ecpayload2026-08-0590%
domainbasartoto.combotnet_cc2026-08-0590%
domainsuk.magicalegyptwomen.combotnet_cc2026-08-0590%
domainrxasoj.reconciliationintl.compayload_delivery2026-08-05100%
domainreconciliationintl.compayload_delivery2026-08-05100%
domainpjbozbf.rootconsole.netpayload_delivery2026-08-05100%
domainrootconsole.netpayload_delivery2026-08-05100%
domainkqwmmz.realmanpath.compayload_delivery2026-08-05100%
domainkggzmtp.romeroautodetails.compayload_delivery2026-08-05100%
domainromeroautodetails.compayload_delivery2026-08-05100%
domainrodspressurewash.compayload_delivery2026-08-05100%
domain9w2m3u8y.foodpapajobs.compayload_delivery2026-08-05100%
domainbapak178.orgbotnet_cc2026-08-0590%
domainkyvqgkidufinrkdprb.oakdalerodeogrounds.compayload_delivery2026-08-05100%
domainoakdalerodeogrounds.compayload_delivery2026-08-05100%
domainyyqfta.pureglamlb.compayload_delivery2026-08-05100%
domainihlnvrv.abcdbro.compayload_delivery2026-08-05100%

KQL: Domain Hunt

// Hunt for DNS queries to known malicious domains
// Source: ThreatFox - ClearFake
let malicious_domains = dynamic(["yykopfc.rumanishoes.com", "rumanishoes.com", "nb8myksg.sandblastingaustin.com", "sandblastingaustin.com", "opwiik.reesetransports.com", "reesetransports.com", "ypcfswc.rossandrossenterprisesinc.com", "rossandrossenterprisesinc.com", "basartoto.com", "suk.magicalegyptwomen.com", "rxasoj.reconciliationintl.com", "reconciliationintl.com", "pjbozbf.rootconsole.net", "rootconsole.net", "kqwmmz.realmanpath.com", "kggzmtp.romeroautodetails.com", "romeroautodetails.com", "rodspressurewash.com", "9w2m3u8y.foodpapajobs.com", "bapak178.org", "kyvqgkidufinrkdprb.oakdalerodeogrounds.com", "oakdalerodeogrounds.com", "yyqfta.pureglamlb.com", "ihlnvrv.abcdbro.com", "zlxxlr.federationofpbos.org", "xrpskhu.primecarelearningcenter.com", "4g591jl4.havenchurchraleigh.com", "7w112ac5.greaternewzionbc.org", "stfgfw.drubenginecologo.com", "edxkbtc.partyboxlovely.com", "91lrgb4j.eachway-multiplier.com", "tpvyfp.razonewane.com", "yibormy.parma-delikatessen.com", "vnukdf.purefunsurfboards.com", "sgepxhg.qualitycounselingcenter.com", "oumuxj.pshealthcare.net", "uq3zphjn.newnanfoodbank.org", "nlkyqob.josephmichaelnh.com", "cultureballclub.com", "dgjxatg.jimmieleeautosales.com", "balyek.rsfoodproducts.com"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses, QueryType
| order by TimeGenerated desc

KQL: Hash Hunt

// Hunt for files matching known malicious hashes
// Source: ThreatFox - ClearFake
let malicious_hashes = dynamic(["e89be61054b13216099ac57e5539b357dee125a3f89b6084b49230e1cfb923ec"]);
DeviceFileEvents
| where SHA256 in (malicious_hashes) or SHA1 in (malicious_hashes) or MD5 in (malicious_hashes)
| project Timestamp, DeviceName, FileName, FolderPath, SHA256, InitiatingProcessFileName
| order by Timestamp desc

Required Data Sources

Sentinel TableNotes
DeviceFileEventsEnsure this data connector is enabled
DnsEventsEnsure this data connector is enabled

References

False Positive Guidance

Here are 5 specific false positive scenarios for the ThreatFox: ClearFake IOCs detection rule, including suggested filters and exclusions tailored for an enterprise environment:

Original source: https://threatfox.abuse.ch/browse/malware/js.clearfake/