Ryuk - Cyber Threat Intelligence

These indicators were reported, collected, and generated during the VulDB CTI analysis of the actor known as Ryuk. 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.ryuk

Countries

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

There are 28 more country items available. Please use our online service to access the data.

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 Ryuk.

ID	IP address	Hostname	Campaign	Confidence
1	3.137.182.114	ec2-3-137-182-114.us-east-2.compute.amazonaws.com	-	Medium
2	5.2.64.113	-	-	High
3	5.2.64.133	-	-	High
4	5.2.64.135	mail.chelseaf1oors.com	-	High
5	5.2.64.144	-	-	High
6	5.2.64.149	-	-	High
7	5.2.64.167	-	-	High
8	5.2.64.172	-	-	High
9	5.2.64.174	liteserver.netnik.eu	-	High
10	5.2.64.182	mx.egmose.net	-	High
11	5.2.70.149	-	-	High
12	5.2.72.200	-	-	High
13	5.2.72.202	vps2020nvme.pieterb.com	-	High
14	5.2.79.10	-	-	High
15	5.2.79.12	mail.suspicious-login-managepaypal.com	-	High
16	5.182.210.145	-	-	High
17	34.222.33.48	ec2-34-222-33-48.us-west-2.compute.amazonaws.com	-	Medium
18	45.34.6.225	unassigned.psychz.net	-	High
19	45.34.6.226	unassigned.psychz.net	-	High
20	45.138.172.95	-	-	High
21	45.141.84.120	-	-	High
22	45.147.228.77	-	-	High
23	45.147.229.52	-	-	High
24	...	...	...	...

There are 94 more IOC items available. Please use our online service to access the data.

TTP - Tactics, Techniques, Procedures

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

ID	Technique	Weakness	Description	Confidence
1	T1006	CWE-21, CWE-22, CWE-23, CWE-24	Pathname Traversal	High
2	T1040	CWE-319	Authentication Bypass by Capture-replay	High
3	T1055	CWE-74	Injection	High
4	T1059	CWE-94	Cross Site Scripting	High
5	T1059.007	CWE-79, CWE-80	Cross Site Scripting	High
6	...	...	...	...

There are 20 more TTP items available. Please use our online service to access the data.

IOA - Indicator of Attack

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

ID	Type	Indicator	Confidence
1	File	`/+CSCOE+/logon.html`	High
2	File	`//proc/kcore`	Medium
3	File	`/admin.php/Admin/adminadd.html`	High
4	File	`/Admin/add-student.php`	High
5	File	`/admin/settings/save.php`	High
6	File	`/ajax/networking/get_netcfg.php`	High
7	File	`/app/options.py`	High
8	File	`/bin/httpd`	Medium
9	File	`/cgi-bin/wapopen`	High
10	File	`/ci_spms/admin/category`	High
11	File	`/ci_spms/admin/search/searching/`	High
12	File	`/classes/Master.php?f=delete_appointment`	High
13	File	`/classes/Master.php?f=delete_train`	High
14	File	`/cms/print.php`	High
15	File	`/concat?/%2557EB-INF/web.xml`	High
16	File	`/Content/Template/root/reverse-shell.aspx`	High
17	File	`/ctcprotocol/Protocol`	High
18	File	`/dashboard/menu-list.php`	High
19	File	`/data/remove`	Medium
20	File	`/debug/pprof`	Medium
21	File	`/ffos/classes/Master.php?f=save_category`	High
22	File	`/forum/away.php`	High
23	File	`/goform/addUserName`	High
24	File	`/goform/delAd`	High
25	File	`/goform/wifiSSIDset`	High
26	File	`/goforms/rlminfo`	High
27	File	`/gpac/src/bifs/unquantize.c`	High
28	File	`/index.asp`	Medium
29	File	`/index.php`	Medium
30	File	`/Items/*/RemoteImages/Download`	High
31	File	`/jfinal_cms/system/role/list`	High
32	File	`/members/view_member.php`	High
33	File	`/menu.html`	Medium
34	File	`/navigate/navigate_download.php`	High
35	File	`/ocwbs/admin/?page=user/manage_user`	High
36	File	`/ofrs/admin/?page=user/manage_user`	High
37	File	`/out.php`	Medium
38	File	`/owa/auth/logon.aspx`	High
39	File	`/password.html`	High
40	File	`/php-sms/admin/quotes/manage_remark.php`	High
41	File	`/php_action/fetchSelectedUser.php`	High
42	File	`/property-list/property_view.php`	High
43	File	`/ptms/classes/Users.php`	High
44	File	`/resources//../`	High
45	File	`/rest/api/2/search`	High
46	File	`/s/`	Low
47	...	...	...

There are 405 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 actor and the associated activities:

Literature

The following articles explain our unique predictive cyber threat intelligence:

7.5 KiB Raw Blame History