Cobalt Stike Beacon Detected – 152[.]89[.]247[.]68:443

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 2021-11-12T17:42:40.630247

General Information

26518189

Cloud Provider
Cloud Region
Service
Domains	N/A
Hostnames	N/A
HTTP Host	152[.]89[.]247[.]68
ISP	combahton GmbH
ORG	combahton GmbH
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)	Frankfurt am Main
LOCATION (COUNTRY CODE)	DE
LOCATION (COUNTRY NAME)	Germany
LOCATION (LATITUDE)	50.11552
LOCATION (LONGITUDE)	8.68417
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	69424dd3107c7dbacebb131b06416236e99503fb
SSL ISSUED	20211101081728Z
SSL EXPIRES	20221101081728Z
SSL CYPHER	ECDHE-RSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS	self-signed

Cobalt Strike Beacon Information

Beacon Type	HTTPS
http-get.client	Accept: */*, Host: download[.]windowsupdate[.]com, [.]cab
http-post.client	Accept: */*, download[.]windowsupdate[.]com/c/, Host, [.]cab
DNS Beacon MaxDNS	N/A
DNS Beacon Idle	N/A
Beacon Jitter	22
dns-beacon.strategy_fail_seconds	-1
dns-beacon.strategy_rotate_seconds	-1
dns-beacon.strategy_fail_x	-1
HTTP GET URI	152[.]89[.]247[.]68,/d/msdownload/update/software/updt/2021/02/15898589_
HTTP POST URI	/c/msdownload/update/others/2021/08/5289871_
Max GET Size	1048576
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	6000
useragent_header	Microsoft-Delivery-Optimization/10.0.10011.16384 Client-Protocol/1.40
uses_cookies	N/A
process-inject.execute	CreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark	1234567890
Beacon Stage Cleanup	N/A