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ThreatFox: ClearFake IOCs

ioc-hunt HIGH ThreatFox
DnsEventsUrlClickEvents
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: 2026-07-26T11:00:00Z · Confidence: high

Hunt Hypothesis

This hunt detects adversary activity involving specific indicators of compromise (IOCs) linked to the ClearFake malware campaign, which is known for its sophisticated fileless execution and persistence mechanisms. The SOC team should proactively search for these IOCs within Azure Sentinel to identify early-stage infections and mitigate potential lateral movement before the threat establishes a foothold in critical assets.

IOC Summary

Malware Family: ClearFake Total IOCs: 39 IOC Types: url, domain

TypeValueThreat TypeFirst SeenConfidence
domaintknlli.enus-spartamax.compayload_delivery2026-07-26100%
urlhxxp://nerdsonsite.probotnet_cc2026-07-2650%
domainenus-spartamax.compayload_delivery2026-07-26100%
domaincsznif.enus-prostadefend.compayload_delivery2026-07-26100%
domainenus-prostadefend.compayload_delivery2026-07-26100%
domainlb.propertyfind.ccbotnet_cc2026-07-2690%
domainmovxvv.enus-pegasus.compayload_delivery2026-07-26100%
domainenus-pegasus.compayload_delivery2026-07-26100%
domainm3f6b86b.memap.mepayload_delivery2026-07-26100%
domain5x9bzxh8[.]6oclocktrain.compayload_delivery2026-07-26100%
domainbszscf.en-us-pegasus.compayload_delivery2026-07-26100%
domainen-us-pegasus.compayload_delivery2026-07-26100%
domainnvwhch.yummiquickway.compayload_delivery2026-07-26100%
domainealzou.ushealthlaboratories.compayload_delivery2026-07-26100%
domainzzjrse.usen-pegasus.compayload_delivery2026-07-26100%
domainusen-pegasus.compayload_delivery2026-07-26100%
domainfjedaz.us-en-pegasus.compayload_delivery2026-07-26100%
domainus-en-pegasus.compayload_delivery2026-07-26100%
domainqttqcz.lexsecurityco.compayload_delivery2026-07-26100%
domainm5sqhbpy.qlaneturnstiles.compayload_delivery2026-07-26100%
domainplhax4b2.lergothelabel.compayload_delivery2026-07-26100%
domaincilygv.missionlanereview.compayload_delivery2026-07-26100%
domainjksdav.mireyasflowersshop.compayload_delivery2026-07-26100%
domainmireyasflowersshop.compayload_delivery2026-07-26100%
domainylprof.metrodesignconcepts.compayload_delivery2026-07-26100%

KQL: Domain Hunt

// Hunt for DNS queries to known malicious domains
// Source: ThreatFox - ClearFake
let malicious_domains = dynamic(["tknlli.enus-spartamax.com", "enus-spartamax.com", "csznif.enus-prostadefend.com", "enus-prostadefend.com", "lb.propertyfind.cc", "movxvv.enus-pegasus.com", "enus-pegasus.com", "m3f6b86b.memap.me", "5x9bzxh8.6oclocktrain.com", "bszscf.en-us-pegasus.com", "en-us-pegasus.com", "nvwhch.yummiquickway.com", "ealzou.ushealthlaboratories.com", "zzjrse.usen-pegasus.com", "usen-pegasus.com", "fjedaz.us-en-pegasus.com", "us-en-pegasus.com", "qttqcz.lexsecurityco.com", "m5sqhbpy.qlaneturnstiles.com", "plhax4b2.lergothelabel.com", "cilygv.missionlanereview.com", "jksdav.mireyasflowersshop.com", "mireyasflowersshop.com", "ylprof.metrodesignconcepts.com", "pawyjf.metrodesignconcepts.com", "rodwkb.memap.me", "xfgoob.memap.me", "memap.me", "rbwnmu.medjourneytourism.com", "medjourneytourism.com", "qliccx.mclennancotxgenweb.org", "emxq57ih.nextbahis.blog", "mclennancotxgenweb.org", "gi4q7bgx.infinityjoespizzaclearwater.com", "kyzvja.matsnews.com", "matsnews.com", "ixscgl.marquettedetailing.com", "marquettedetailing.com"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses, QueryType
| order by TimeGenerated desc

KQL: Url Hunt

// Hunt for access to known malicious URLs
// Source: ThreatFox - ClearFake
let malicious_urls = dynamic(["http://nerdsonsite.pro"]);
UrlClickEvents
| where Url has_any (malicious_urls)
| project Timestamp, AccountUpn, Url, ActionType, IsClickedThrough
| order by Timestamp desc

Required Data Sources

Sentinel TableNotes
DnsEventsEnsure this data connector is enabled
UrlClickEventsEnsure 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/