cyber_threat_intelligence/campaigns/FriarFox Browser Extension

FriarFox Browser Extension - Cyber Threat Intelligence

These indicators were reported, collected, and generated during the VulDB CTI analysis of the campaign known as FriarFox Browser Extension. The activity monitoring correlates data from social media, forums, chat rooms, and darknet markets. It helps to determine associated actors, specific activities, expected intentions, emerging research, and ongoing attacks. Our unique predictive model uses big data to forecast activities and their characteristics.

Live data and more analysis capabilities are available at https://vuldb.com/?actor

Countries

These countries are directly (e.g. origin of attacks) or indirectly (e.g. access by proxy) associated with FriarFox Browser Extension:

• CN
• US
• GB

Actors

These actors are associated with FriarFox Browser Extension or other actors linked to the campaign.

ID	Actor	Confidence
1	TA413	High

IOC - Indicator of Compromise

These indicators of compromise (IOC) indicate associated network resources which are known to be part of research and attack activities of FriarFox Browser Extension.

ID	IP address	Hostname	Actor	Confidence
1	115.126.6.47	-	TA413	High
2	118.99.9.47	-	TA413	High
3	167.179.99.136	167.179.99.136.vultr.com	TA413	Medium

TTP - Tactics, Techniques, Procedures

Tactics, techniques, and procedures (TTP) summarize the suspected MITRE ATT&CK techniques used within FriarFox Browser Extension. This data is unique as it uses our predictive model for actor profiling.

ID	Technique	Weakness	Description	Confidence
1	T1059.007	CWE-79	Cross Site Scripting	High
2	T1068	CWE-264, CWE-284	Execution with Unnecessary Privileges	High
3	T1110.001	CWE-798	Improper Restriction of Excessive Authentication Attempts	High

IOA - Indicator of Attack

These indicators of attack (IOA) list the potential fragments used for technical activities like reconnaissance, exploitation, privilege escalation, and exfiltration during FriarFox Browser Extension. This data is unique as it uses our predictive model for actor profiling.

ID	Type	Indicator	Confidence
1	File	/public/login.htm	High
2	File	/usr/bin/sonia	High
3	File	index.php	Medium
4	...	...	...

There are 11 more IOA items available (file, library, argument, input value, pattern, network port). Please use our online service to access the data.

References

The following list contains external sources which discuss the campaign and the associated activities:

• https://vxug.fakedoma.in/archive/APTs/2021/2021.02.25(2)/FriarFox.pdf

Literature

The following articles explain our unique predictive cyber threat intelligence:

• VulDB Cyber Threat Intelligence Documentation
• Cyber Threat Intelligence - Early Anticipation of Attacks

License

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