TF-1812300
high
📛 Threat Title
ClearFake: Domain name that delivers a malware payload microservicehub.courses
Description
Indicator that identifies a malware distribution server (payload delivery). IOC type: Domain name that delivers a malware payload. Attributed malware: ClearFake. Confidence: 100. First seen: 2026-05-14 20:21:32 UTC. Last seen: 2026-05-14 20:22:35 UTC. Reporter: threatcat_ch. Tags: ClearFake.
Indicators of Compromise (3)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
ipv4
104.21.29.148
VT: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/ip_addresses/104.21.29.148
IOC database
- Type
- ipv4
- Value
104.21.29.148- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Resolved from domain microservicehub.courses
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
VirusTotal: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/ip_addresses/104.21.29.148
ipv4
172.67.149.102
VT: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/ip_addresses/172.67.149.102
IOC database
- Type
- ipv4
- Value
172.67.149.102- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Resolved from domain microservicehub.courses
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
VirusTotal: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/ip_addresses/172.67.149.102
domain
microservicehub.courses
IOC database
- Type
- domain
- Value
microservicehub.courses- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Domain name that delivers a malware payload attributed to ClearFake
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.
References (2)
- Malpedia profile Threatfox IOCs/Threats
-
ThreatFox IOC page
Threatfox IOCs/Threats
Indicator that identifies a malware distribution server (payload delivery). IOC type: Domain name that delivers a malware payload. Attributed malware: ClearFake. Confidence: 100. First seen: 2026-05-14 20:21:32 UTC. Last seen: 2026-05-14 20:22:35 UTC. Reporter: threatcat_ch. Tags: ClearFake.
Remediations (10)
-
web:blog.sekoia.io
ClearFake is a new malicious JavaScript framework deployed on compromised websites to deliver further malware using the drive-by download technique. This blogpost aims at presenting a technical analysis of the ClearFake installation flow, the malware delivered by ClearFake , the C2 infrastructure and tracking opportunities.
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web:cybersecuritynews.com
Sekoia researchers noted that the ClearFake infrastructure includes over 9,300 compromised websites, with thousands of users potentially exposed to these malicious lures every day. The use of blockchain technology for malware delivery represents an emerging threat that makes traditional mitigation and blocking significantly more challenging.
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web:darkwebinformer.com
A domain -based indicator has been identified delivering ClearFake JavaScript malware . The domain is flagged for phishing and payload delivery activity and is associated with malicious script injection campaigns designed to trick users into interacting with fraudulent browser updates or phishing pages.
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web:expel.com
ClearFake's latest campaign uses fake CAPTCHAs and social engineering trick victims into installing malware , and it's getting more evasive.
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web:gbhackers.com
A recent variant of the ClearFake malware framework has been identified, leveraging fake reCAPTCHA and Cloudflare Turnstile verifications to deceive users into executing malicious PowerShell code. This evolution marks a significant shift in how ClearFake exploits Web3 capabilities to deliver malware through compromised websites.
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web:rhisac.org
Context Sekoia researchers have released updates on ClearFake , a malicious JavaScript framework that infects compromised websites to deliver malware through drive-by downloads and social engineering tactics. Initially observed in July 2023, ClearFake utilized fake browser update prompts to trick users into downloading malware .
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web:thehackernews.com
ClearFake malware infects 9,300+ websites, using fake reCAPTCHA and Web3 tactics to spread Lumma and Vidar Stealers, exposing 200,000+ users.
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web:www.betterworldtechnology.com
ClearFake malware has infected over 9,300 websites, using a fake reCAPTCHA to deceive users and steal sensitive information. Learn about the impact and prevention strategies.
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web:www.darktrace.com
ClearFake continues to be observed across multiple sectors, but Darktrace remains well‑positioned to counter such threats. Because ClearFake's end goal is often to deliver malware such as information stealers and malware loaders, early disruption is critical to preventing compromise.
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web:www.kroll.com
Key Takeaways Kroll continues to observe a rapid evolution in how CLEARFAKE is delivering payloads to victims across all sectors. Clusters of evolved techniques include the use of data/time obfuscation to create filenames as well as variations of MSHTA usage. Despite the evolution, there remains a number of key themes that can assist in detection and mitigation of this threat, including ...
AI Forensic Analysis
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