Cobalt Stike Beacon Detected – 45[.]42[.]44[.]233:443

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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 2021-11-11T22:48:41.759133

Cobalt Strike
Cobalt Strike

General Information

4.216326399606136e+41
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host45[.]42[.]44[.]233
ISPNextArray LLC.
ORGVarianceM
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 SERVERnginx
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)6ee77bb51f5264b64f030e8c88c74da0e6f3c7f2
SSL ISSUED20211102170726Z
SSL EXPIRES20220131170725Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: av-update[.]info, Connection: close, Accept-Encoding: gzip, br, Accept-Language: fr-CH, fr;q=0[.]9, en;q=0[.]8, de;q=0[.]7, *;q=0[.]5, made_write_conn=, Cookie
http-post.clientHost: av-update[.]info, Connection: close, Accept-Encoding: br, Content-Type: text/plain, __session__id=, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter37
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI45[.]42[.]44[.]233,/skin
HTTP POST URI/search
Max GET Size1398446
Port443
post-ex.spawnto_x64%windir%\sysnative\WUAUCLT[.]exe
post-ex.spawnto_x86%windir%\syswow64\WUAUCLT[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime61349
useragent_headerMozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; RM-1152) AppleWebKit/537.36 (KHTML, like Gecko)
uses_cookies1
process-inject.executeCreateThread, RtlCreateUserThread, CreateRemoteThread
Watermark305419776
Beacon Stage Cleanup1
Available for Amazon Prime