TF-1932711
high
📛 Threat Title
Cobalt Strike: ip:port combination that is used for botnet Command&control (C&C) 191.124.5.229:8443
Description
Indicator that identifies a botnet command&control server (C&C). IOC type: ip:port combination that is used for botnet Command&control (C&C). Attributed malware: Cobalt Strike (aliases: Agentemis,BEACON,CobaltStrike,cobeacon). Confidence: 100. Observed port: 8443. First seen: 2026-09-25 07:52:18 UTC. Reporter: abuse_ch. Tags: CobaltStrike, cs-watermark-987654321.
Indicators of Compromise (1)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
ipv4
191.124.5.229
VT 2 / 91
IOC database
- Type
- ipv4
- Value
191.124.5.229- First seen
- Last seen
- Attached to this threat
- Appears in
- 2 threats
- Description
- ip:port combination that is used for botnet Command&control (C&C) attributed to Cobalt Strike
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Flagged by 2 of 91 VirusTotal vendors
| Vendor | Verdict | Detection |
|---|---|---|
| SOCRadar | malicious | malware |
| Gridinsoft | suspicious | suspicious |
Details From VirusTotal
Basic Properties
| Network | 191.124.0.0/17 |
| Country | HK |
| AS owner | AROSSCLOUD INC. |
| ASN | 400619 |
| Regional registry | APNIC |
History
| Last analysis | 2026-09-25 08:48 UTC |
| Last modified on VirusTotal | 2026-09-25 15:32 UTC |
| WHOIS record date | 2026-09-25 08:16 UTC |
References (2)
- Malpedia profile ThreatFox IOCs
-
ThreatFox IOC page
ThreatFox IOCs
Indicator that identifies a botnet command&control server (C&C). IOC type: ip:port combination that is used for botnet Command&control (C&C). Attributed malware: Cobalt Strike (aliases: Agentemis,BEACON,CobaltStrike,cobeacon). Confidence: 100. Observed port: 8443. First seen: 2026-09-25 07:52:18 UTC. Reporter: abuse_ch. Tags: CobaltStrike, cs-watermark-987654321.
Remediations (10)
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web:app.cobalt.io
We would like to show you a description here but the site won't allow us.
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web:attack.mitre.org
We would like to show you a description here but the site won't allow us.
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web:community.fortinet.com
We would like to show you a description here but the site won't allow us.
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web:docs.velociraptor.app
We would like to show you a description here but the site won't allow us.
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web:download.cobaltstrike.com
We would like to show you a description here but the site won't allow us.
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web:en.wikipedia.org
We would like to show you a description here but the site won't allow us.
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web:github.com
We would like to show you a description here but the site won't allow us.
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web:pmc.ncbi.nlm.nih.gov
We would like to show you a description here but the site won't allow us.
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web:www.elastic.co
We would like to show you a description here but the site won't allow us.
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web:www.gdatasoftware.com
The second stage loader communicates with the C&C server to get the RAT component, once again scripted with JScript. The RAT component has the capability to continue running until directed to stop, and execute additional commands received from the C&C server.
AI Forensic Analysis
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