Cobalt Stike Beacon Detected – 65[.]52[.]226[.]240:443

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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 2021-11-15T06:20:51.419283

Cobalt Strike
Cobalt Strike

General Information

12748363030826715000
Cloud ProviderAzure
Cloud Regionnortheurope
ServiceAzureCloud
DomainsN/A
HostnamesN/A
HTTP Host65[.]52[.]226[.]240
ISPMicrosoft Corporation
ORGMicrosoft Corporation
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)Dublin
LOCATION (COUNTRY CODE)IE
LOCATION (COUNTRY NAME)Ireland
LOCATION (LATITUDE)53.33306
LOCATION (LONGITUDE)-6.24889
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)015a2adb215de0fe3ade8a522cf82a1f98447433
SSL ISSUED20211113212204Z
SSL EXPIRES20221113212204Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud, self-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientmanifest=wac, Host: onedrive[.]live[.]com, Accept: text/html,application/xml;*/*;, Accept-Encoding: gzip, deflate, E=P:, =:PFzM9cj, Cookie
http-post.clientHost: onedrive[.]live[.]com, Accept: text/html,application/xml;*/*;, Accept-Encoding: gzip, deflate, E=P:, =:PFzM9cj, Cookie, https://p[.]sfx[.]ms/sa[.]html?s=, Referer
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter20
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URIyellowdock[.]duckdns[.]org,/preload
HTTP POST URI/sa
Max GET Size2099361
Port443
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)
sleeptime30000
useragent_headerMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
uses_cookies1
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark1580103824
Beacon Stage CleanupN/A
Available for Amazon Prime