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ThreatFox: Remcos IOCs

ioc-hunt HIGH ThreatFox
DnsEvents
iocthreatfoxwin-remcos
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: 2026-09-16T23:00:00Z · Confidence: high

Hunt Hypothesis

This hypothesis targets the presence of known Remcos Remote Access Trojan indicators, which adversaries deploy to establish persistent, stealthy control over compromised endpoints for data exfiltration and lateral movement. Proactively hunting for these IOCs in Azure Sentinel is critical because Remcos is a high-severity threat frequently used in targeted attacks, allowing the SOC to identify and isolate infected systems before the malware can fully establish its foothold or escalate privileges.

IOC Summary

Malware Family: Remcos Total IOCs: 34 IOC Types: domain

TypeValueThreat TypeFirst SeenConfidence
domaincashicash.workablegoods.combotnet_cc2026-09-16100%
domaincoachile.monimachirismanu.combotnet_cc2026-09-16100%
domainmastama.akijinkuu.combotnet_cc2026-09-16100%
domainmonjiso.v6.armybotnet_cc2026-09-16100%
domainpuremoni.weydneycross.combotnet_cc2026-09-16100%
domainnewjosmoo.ddns.netbotnet_cc2026-09-16100%
domain68gbsg.combotnet_cc2026-09-16100%
domainf5tech.inbotnet_cc2026-09-16100%
domaintrcasinobets.combotnet_cc2026-09-16100%
domainu88.mex.combotnet_cc2026-09-16100%
domainu88.runbotnet_cc2026-09-16100%
domainu888bet.probotnet_cc2026-09-16100%
domainu888casino.vipbotnet_cc2026-09-16100%
domainug8828.combotnet_cc2026-09-16100%
domainajaib168slot.combotnet_cc2026-09-16100%
domainbj38-top.onlinebotnet_cc2026-09-16100%
domainbj38.jpn.combotnet_cc2026-09-16100%
domainbj38.nlbotnet_cc2026-09-16100%
domainbj88-vnd.combotnet_cc2026-09-16100%
domainbj88.fifa55we.combotnet_cc2026-09-16100%
domainbj884.combotnet_cc2026-09-16100%
domainbj88g.combotnet_cc2026-09-16100%
domaincravenw.tvbotnet_cc2026-09-16100%
domaindamac-suncity.in.netbotnet_cc2026-09-16100%
domaine2bet.technologybotnet_cc2026-09-16100%

KQL: Domain Hunt

// Hunt for DNS queries to known malicious domains
// Source: ThreatFox - Remcos
let malicious_domains = dynamic(["cashicash.workablegoods.com", "coachile.monimachirismanu.com", "mastama.akijinkuu.com", "monjiso.v6.army", "puremoni.weydneycross.com", "newjosmoo.ddns.net", "68gbsg.com", "f5tech.in", "trcasinobets.com", "u88.mex.com", "u88.run", "u888bet.pro", "u888casino.vip", "ug8828.com", "ajaib168slot.com", "bj38-top.online", "bj38.jpn.com", "bj38.nl", "bj88-vnd.com", "bj88.fifa55we.com", "bj884.com", "bj88g.com", "cravenw.tv", "damac-suncity.in.net", "e2bet.technology", "ebet188.co", "fifa55dd.com", "fifa55n.com", "gama-casino-rzb.buzz", "ratu88hoki.com", "sifang.buzz", "188toto.co", "samara2026.duckdns.org", "mikosmtmiaomu.ddns.net"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses, QueryType
| order by TimeGenerated desc

Required Data Sources

Sentinel TableNotes
DnsEventsEnsure this data connector is enabled

References

False Positive Guidance

Original source: https://threatfox.abuse.ch/browse/malware/win.remcos/