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ThreatFox: Vidar IOCs

ioc-hunt HIGH ThreatFox
DnsEventsUrlClickEvents
iocthreatfoxwin-vidar
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: 2026-08-11T11:00:00Z · Confidence: high

Hunt Hypothesis

This hunt hypothesis targets adversaries deploying Vidar malware to stealthily exfiltrate banking credentials and system data via encrypted channels following initial access through phishing or compromised web vectors. Proactively hunting for these indicators in Azure Sentinel is critical due to the high severity of potential financial loss and identity compromise, enabling early detection before sensitive data is fully extracted from the environment.

IOC Summary

Malware Family: Vidar Total IOCs: 17 IOC Types: url, domain

TypeValueThreat TypeFirst SeenConfidence
urlhxxps://aware-cr1.com/api/beaconbotnet_cc2026-08-11100%
domainwts.tb88vip.topbotnet_cc2026-08-11100%
urlhxxps://wts.tb88vip.topbotnet_cc2026-08-11100%
urlhxxps://45[.]86[.]245[.]217botnet_cc2026-08-11100%
urlhxxps://193[.]233[.]139[.]123botnet_cc2026-08-11100%
urlhxxps://91[.]92[.]242[.]142botnet_cc2026-08-11100%
urlhxxps://5[.]75[.]212[.]195botnet_cc2026-08-11100%
urlhxxps://167[.]233[.]197[.]223botnet_cc2026-08-11100%
urlhxxps://167[.]233[.]133[.]101botnet_cc2026-08-11100%
urlhxxps://167[.]233[.]137[.]121botnet_cc2026-08-11100%
domaindum.tb88soul.topbotnet_cc2026-08-11100%
urlhxxps://dum.tb88soul.topbotnet_cc2026-08-11100%
urlhxxps://91[.]98[.]108[.]158botnet_cc2026-08-11100%
urlhxxps://91[.]98[.]98[.]86botnet_cc2026-08-11100%
domainkwt.tb88roki.topbotnet_cc2026-08-11100%
urlhxxps://kwt.tb88roki.topbotnet_cc2026-08-11100%
urlhxxps://78[.]40[.]209[.]22botnet_cc2026-08-11100%

KQL: Domain Hunt

// Hunt for DNS queries to known malicious domains
// Source: ThreatFox - Vidar
let malicious_domains = dynamic(["wts.tb88vip.top", "dum.tb88soul.top", "kwt.tb88roki.top"]);
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 - Vidar
let malicious_urls = dynamic(["https://aware-cr1.com/api/beacon", "https://wts.tb88vip.top", "https://45.86.245.217", "https://193.233.139.123", "https://91.92.242.142", "https://5.75.212.195", "https://167.233.197.223", "https://167.233.133.101", "https://167.233.137.121", "https://dum.tb88soul.top", "https://91.98.108.158", "https://91.98.98.86", "https://kwt.tb88roki.top", "https://78.40.209.22"]);
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: Vidar IOCs detection rule, including suggested filters and exclusions tailored for an enterprise environment:

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