Cobalt Stike Beacon Detected – 172[.]104[.]171[.]27:4443

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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 2021-11-11T19:23:32.756539

Cobalt Strike
Cobalt Strike

General Information

3.3262895583704073e+41
Cloud ProviderLinode
Cloud Regionsg-04
ServiceN/A
Domainslinode[.]com
Hostnamesli1762-27[.]members[.]linode[.]com
HTTP Host172[.]104[.]171[.]27
ISPLinode, LLC
ORGLinode
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)Singapore
LOCATION (COUNTRY CODE)SG
LOCATION (COUNTRY NAME)Singapore
LOCATION (LATITUDE)1.28967
LOCATION (LONGITUDE)103.85007
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)cf206af564713436278067666bb9c61bebd3c11a
SSL ISSUED20210820081906Z
SSL EXPIRES20211118081905Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: */*, Host: www[.]amazon[.]com, session-token=, skin=noskin;, csm-hit=s-14KU31NB82RZSYGJ3BCM|1418930012601, Cookie
http-post.clientAccept: */*, Content-Type: text/xml, X-Requested-With: XMLHttpRequest, Host: www[.]amazon[.]com, sz=160×600, oe=oe=ISO-8859-1;, sn, s=3733, dc_ref=http%3A%2F%2Fwww[.]amazon[.]com
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 URI172[.]104[.]171[.]27,/s/ref=nb_sb_noss_2/167-32301888-0223019/field-keywords=computers
HTTP POST URI/N4918/adb/amzn.us.sr.ups
Max GET Size1048576
Port4443
post-ex.spawnto_x64%windir%\sysnative\rundll32[.]exe
post-ex.spawnto_x86%windir%\syswow64\rundll32[.]exe
process-inject.startrwx64
process-inject.userwx64
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime5000
useragent_headerMozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Firefox/78.0
uses_cookies1
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark1359593325
Beacon Stage CleanupN/A
Available for Amazon Prime