Cobalt Stike Beacon Detected – 174[.]138[.]62[.]15:443

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 2021-11-11T20:28:37.553112

General Information

3.5197186439971795e+41

Cloud Provider	DigitalOcean
Cloud Region	us-nj
Service	N/A
Domains	N/A
Hostnames	N/A
HTTP Host	174[.]138[.]62[.]15
ISP	DigitalOcean, LLC
ORG	DigitalOcean, LLC
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)	Clifton
LOCATION (COUNTRY CODE)	US
LOCATION (COUNTRY NAME)	United States
LOCATION (LATITUDE)	40.8344
LOCATION (LONGITUDE)	-74.1377
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	1cb28bfbc1ffb5db9a39363345233eb6d81fe5c8
SSL ISSUED	20210901013520Z
SSL EXPIRES	20211130013519Z
SSL CYPHER	ECDHE-RSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS	cloud

Cobalt Strike Beacon Information

Beacon Type	HTTPS
http-get.client	Host: dkij48kij8kng[.]cloudfront[.]net, Accept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Accept-Language: en-US,en;q=0[.]5, REF=ID=, Cookie
http-post.client	Host: dkij48kij8kng[.]cloudfront[.]net, Accept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Accept-Language: en-US,en;q=0[.]5, U=193u81141, REF=ID=, Cookie
DNS Beacon MaxDNS	N/A
DNS Beacon Idle	N/A
Beacon Jitter	32
dns-beacon.strategy_fail_seconds	-1
dns-beacon.strategy_rotate_seconds	-1
dns-beacon.strategy_fail_x	-1
HTTP GET URI	dkij48kij8kng[.]cloudfront[.]net,/safebrowsing/fp/CUs1sRjZpgXT6OVFdFKS2YBrzsBrn
HTTP POST URI	/safebrowsing/fp/srpcGHUDqaxEFx3FZfdQU6zO65IAsqMPpx6Ot8V
Max GET Size	1048576
Port	443
post-ex.spawnto_x64	%windir%\sysnative\mtstocom[.]exe
post-ex.spawnto_x86	%windir%\syswow64\mtstocom[.]exe
process-inject.startrwx	64
process-inject.userwx	32
process-inject.allocator	N/A
proxy.behavior	2 (Use IE settings)
sleeptime	3000
useragent_header	Mozilla/5.0 (X11; Linux x86_64:71.0) Gecko/20100101 Firefox/71.0
uses_cookies	1
process-inject.execute	ntdll.dll:RtlUserThreadStart, NtQueueApcThread-s, SetThreadContext, CreateRemoteThread, kernel32.dll:LoadLibraryA, RtlCreateUserThread
Watermark	547967715
Beacon Stage Cleanup	1