Cobalt Stike Beacon Detected – 106[.]52[.]65[.]141:443

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 2021-11-15T13:48:16.292183

General Information

146473198

Cloud Provider	Tencent Cloud
Cloud Region	N/A
Service	N/A
Domains	N/A
Hostnames	N/A
HTTP Host	106[.]52[.]65[.]141
ISP	Shenzhen Tencent Computer Systems Company Limited
ORG	KNET Techonlogy (BeiJing) Co.,Ltd.
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)	Beijing
LOCATION (COUNTRY CODE)	CN
LOCATION (COUNTRY NAME)	China
LOCATION (LATITUDE)	39.9075
LOCATION (LONGITUDE)	116.39723
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	6ece5ece4192683d2d84e25b0ba7e04f9cb7eb7c
SSL ISSUED	20150520182624Z
SSL EXPIRES	20250517182624Z
SSL CYPHER	ECDHE-RSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS	cloud, self-signed

Cobalt Strike Beacon Information

Beacon Type	HTTPS
http-get.client	Referer: http://www[.]google[.]com, Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0[.]9,text/plain;q=0[.]8,image/png,*/*;q=0[.]5, Accept-Language: en-us,en;q=0[.]5, Cache-Control: no-cache, Cookie
http-post.client	Content-Type: application/octet-stream, id
DNS Beacon MaxDNS	255
DNS Beacon Idle	134744072
Beacon Jitter	N/A
dns-beacon.strategy_fail_seconds	N/A
dns-beacon.strategy_rotate_seconds	N/A
dns-beacon.strategy_fail_x	N/A
HTTP GET URI	106[.]52[.]65[.]141,/include/wp-includes/isx[.]php
HTTP POST URI	/blog/wp-includes/pomo/src.php
Max GET Size	1398254
Port	443
post-ex.spawnto_x64	%windir%\sysnative\rundll32[.]exe
post-ex.spawnto_x86	%windir%\syswow64\rundll32[.]exe
process-inject.startrwx	64
process-inject.userwx	64
process-inject.allocator	N/A
proxy.behavior	2 (Use IE settings)
sleeptime	30000
useragent_header	Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.1) Java/1.5.0_08
uses_cookies	1
process-inject.execute	CreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark	305419896
Beacon Stage Cleanup	N/A