Cobalt Stike Beacon Detected – 173[.]44[.]141[.]7:443

Cobalt Strike Beacon Detection Alerts

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 2024-08-04T07:34:39.112525

Cobalt Strike
Cobalt Strike

General Information

146473198
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host173[.]44[.]141[.]7
ISPEonix Corporation
ORGWinnebell Network Services
OSN/A
HTTPN/A
HTTP HTML HASHN/A
HTTP LOCATION/
HTTP REDIRECTS
HTTP ROBOTSN/A
HTTP ROBOTS HASHN/A
HTTP SECURITY.TXTN/A
HTTP SECURITY.TXT HASHN/A
HTTP SERVERN/A
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Dallas
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)32.78306
LOCATION (LONGITUDE)-96.80667
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)6ece5ece4192683d2d84e25b0ba7e04f9cb7eb7c
SSL ISSUED20150520182624Z
SSL EXPIRES20250517182624Z
SSL CYPHERTLS_AES_256_GCM_SHA384
SSL VERSIONTLSv1.3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeN/A
http-get.clientUser-Agent: Mozilla/5[.]0 (Windows NT 10[.]0; Win64; x64) AppleWebKit/537[.]36 (KHTML, like Gecko) Chrome/91[.]0[.]4472[.]124 Safari/537[.]36, Accept: */*, [.][.][.], [.][.][.][.][.][.], [.], tmp2
http-post.clientContent-Type: application/xml, User-Agent: Mozilla/5[.]0 (Windows NT 10[.]0; Win64; x64) AppleWebKit/537[.]36 (KHTML, like Gecko) Chrome/91[.]0[.]4472[.]124 Safari/537[.]36, /default2hb
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon JitterN/A
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI173[.]44[.]141[.]7,/update43/new/KB242742/profile
HTTP POST URIN/A
Max GET SizeN/A
PortN/A
post-ex.spawnto_x64%windir%\sysnative\rundll32[.]exe
post-ex.spawnto_x86%windir%\syswow64\rundll32[.]exe
process-inject.startrwxN/A
process-inject.userwxN/A
process-inject.allocatorN/A
proxy.behaviorN/A
sleeptimeN/A
useragent_headerN/A
uses_cookiesN/A
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
WatermarkN/A
Beacon Stage CleanupN/A

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