Cobalt Stike Beacon Detected – 3[.]232[.]99[.]110:443

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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 2021-11-10T22:52:00.689484

Cobalt Strike
Cobalt Strike

General Information

754418787
Cloud ProviderAmazon
Cloud Regionus-east-1
ServiceAMAZON
Domainsamazonaws[.]com
Hostnamesec2-3-232-99-110[.]compute-1[.]amazonaws[.]com
HTTP Host3[.]232[.]99[.]110
ISPAmazon.com, Inc.
ORGAmazon Data Services NoVa
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)Ashburn
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)39.04372
LOCATION (LONGITUDE)-77.48749
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)d61fbb70e893ac174b88aa2107a091545e6a4503
SSL ISSUED20211109165223Z
SSL EXPIRES20221109165223Z
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.clientHost: en[.]wikipedia[.]org, Accept: text/html,application/xhtml+xml,application/xml;, Referer: https://en[.]wikipedia[.]org/wiki/Main_Page, search, title=Special%3ASearch, go=Go
http-post.clientHost: en[.]wikipedia[.]org, Accept: text/html,application/xhtml+xml,application/xml;, /, https://en[.]wikipedia[.]org/w/index[.]php?search=, &title=Special%3ASearch&go=Go, Referer
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter20
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URIaws-portal[.]org,/w/index[.]php
HTTP POST URI/wiki
Max GET Size2099667
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)
sleeptime60000
useragent_headerMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
uses_cookiesN/A
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark1695464296
Beacon Stage CleanupN/A
Available for Amazon Prime