TF-1933813
high
📛 Threat Title
Unknown Loader: Domain name that delivers a malware payload thecampaignfor3301.com
Description
Indicator that identifies a malware distribution server (payload delivery). IOC type: Domain name that delivers a malware payload. Attributed malware: Unknown Loader. Confidence: 75. First seen: 2026-09-25 16:07:28 UTC. Reporter: varysz. Tags: etherhiding, victim.
Indicators of Compromise (1)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
domain
thecampaignfor3301.com
VT: VT base fetch failed: HTTPError: 401 Client Error: Unauthorized for url: https://www.virustotal.com/api/v3/domains/thecampaignfor3301.com
UrlVoid 3 / 36
IOC database
- Type
- domain
- Value
thecampaignfor3301.com- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Ingested from IOC source: https://threatfox.abuse.ch/downloads/hostfile/
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
VirusTotal: VT base fetch failed: HTTPError: 401 Client Error: Unauthorized for url: https://www.virustotal.com/api/v3/domains/thecampaignfor3301.com
References (2)
- Malpedia profile ThreatFox IOCs
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ThreatFox IOC page
ThreatFox IOCs
Indicator that identifies a malware distribution server (payload delivery). IOC type: Domain name that delivers a malware payload. Attributed malware: Unknown Loader. Confidence: 75. First seen: 2026-09-25 16:07:28 UTC. Reporter: varysz. Tags: etherhiding, victim.
Remediations (10)
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web:darkwebinformer.com
A new domain -based indicator has been identified associated with payload delivery activity tied to the malware unknown_loader . This domain , advertised under the guise of a mobile advertising and monetization platform, poses a high-confidence threat to users and organizations.
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web:ismalicious.com
4,553 indicators of compromise attributed to the Unknown Loader malware family — domains , IPs, URLs and file hashes, from abuse.ch feeds.
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web:rhisac.org
The malware provides operators with persistence, system reconnaissance, command execution, payload delivery, and resilient command and control capabilities. Key Takeaways DOUBLECUP is a Russian Loader - as -a-Service developed for ClickFix campaigns and has operated since early June 2026.
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web:thehackernews.com
Microsoft details a new ClickFix variant abusing DNS nslookup commands to stage malware , enabling stealthy payload delivery and RAT deployment.
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web:thehackernews.com
The payload is gated on machine identity The third finding is the one that should change how teams interpret their tooling. In the dropper recovered from the live host, a hardware and account fingerprint machine GUID, volume serial, computer name , BIOS manufacturer, system model, GPU and username is base64-encoded directly into the download path.
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web:urlhaus.abuse.ch
URLhaus URLhaus is a platform from abuse.ch and Spamhaus dedicated to sharing malicious URLs that are being used for malware distribution. Report URLs and explore the database for valuable intelligence. Use the APIs, to seamlessly push and pull signals, and automate bulk queries. With this intelligence, gain insights into malware behavior, to help identify, track, and mitigate against malware ...
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web:www.csoonline.com
The domain name third-party[.]com is being used to serve malware to users — bad news for those following a little too literally online documentation that uses it as a placeholder for any third ...
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web:www.malwarebytes.com
At the time of writing the domain hosting the script is not resolving. ClickFix is a social-engineering technique that turns the victim into the malware installer.
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web:www.malwarebytes.com
We uncovered ClickFix attacks using fake Google and Cloudflare pages to deliver everything from infostealers to a newly discovered malware loader .
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web:www.microsoft.com
The retrieved content is executed directly in memory. Steganography-based payload delivery A notable technique in this campaign is the use of steganography to conceal malicious content inside a publicly hosted image. Instead of downloading a secondary script ( as in Campaign 1), the malware retrieves a JPEG image from an image-hosting service.
AI Forensic Analysis
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