Cobalt Stike Beacon Detected – 217[.]174[.]241[.]57:8443

The Information provided at the time of posting was detected as “Cobalt Strike”. Depending on when you are viewing this article, it may no longer be the case and could be determined as being a false positive. Please do your own additional validation. – RedPacket Security

TimeStamp 2021-11-17T02:13:19.342055

General Information

3.0349272279113145e+41

Cloud Provider
Cloud Region
Service
Domains	live-servers[.]net
Hostnames	server217-174-241-57[.]live-servers[.]net
HTTP Host	217[.]174[.]241[.]57
ISP	IONOS SE
ORG	Fasthosts Internet Limited
OS	N/A
HTTP	N/A
HTTP HTML HASH	N/A
HTTP LOCATION	/
HTTP REDIRECTS
HTTP ROBOTS	N/A
HTTP ROBOTS HASH	N/A
HTTP SECURITY.TXT	N/A
HTTP SECURITY.TXT HASH	N/A
HTTP SERVER	N/A
HTTP SITEMAP	N/A
HTTP SITEMAP HASH	N/A
HTTP TITLE	N/A
LOCATION (AREA CODE)	N/A
LOCATION (CITY)	Wells
LOCATION (COUNTRY CODE)	GB
LOCATION (COUNTRY NAME)	United Kingdom
LOCATION (LATITUDE)	51.20794
LOCATION (LONGITUDE)	-2.64896
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	true
SSL FINGERPRINT (SHA1)	cd2b519fa9deabf66a48af2246821b0b279810d3
SSL ISSUED	20190630190824Z
SSL EXPIRES	20190928190824Z
SSL CYPHER	ECDHE-RSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS

Cobalt Strike Beacon Information

Beacon Type	HTTPS
http-get.client	Accept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Host: code[.]jquery[.]com, Referer: http://code[.]jquery[.]com/, Accept-Encoding: gzip, deflate, __cfduid=, Cookie
http-post.client	Accept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Host: code[.]jquery[.]com, Referer: http://code[.]jquery[.]com/, Accept-Encoding: gzip, deflate, __cfduid
DNS Beacon MaxDNS	255
DNS Beacon Idle	1249756273
Beacon Jitter	37
dns-beacon.strategy_fail_seconds	N/A
dns-beacon.strategy_rotate_seconds	N/A
dns-beacon.strategy_fail_x	N/A
HTTP GET URI	www[.]alexiou[.]gr,/jquery-3[.]3[.]1[.]min[.]js,galani[.]gr,/jquery-3[.]3[.]1[.]min[.]js
HTTP POST URI	/jquery-3.3.2.min.js
Max GET Size	1403644
Port	8443
post-ex.spawnto_x64	%windir%\sysnative\prevhost[.]exe
post-ex.spawnto_x86	%windir%\syswow64\prevhost[.]exe
process-inject.startrwx	4
process-inject.userwx	32
process-inject.allocator	1
proxy.behavior	2 (Use IE settings)
sleeptime	60000
useragent_header	Mozilla/5.0 (Windows NT 10.0; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4086.0 Safari/537.36
uses_cookies	1
process-inject.execute	ntdll.dll:RtlUserThreadStart, NtQueueApcThread-s, CreateThread, CreateRemoteThread, RtlCreateUserThread
Watermark	305419896
Beacon Stage Cleanup	1