Cobalt Strike Beacon Detected – 34[.]232[.]187[.]165:443

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 2024-11-07T07:11:16.362832

Cobalt Strike
Cobalt Strike

General Information

579444162
Cloud ProviderAmazon
Cloud Regionus-east-1
ServiceEC2
Domainsamazonaws[.]com
Hostnamesec2-34-232-187-165[.]compute-1[.]amazonaws[.]com
HTTP Host34[.]232[.]187[.]165
ISPAmazon.com, Inc.
ORGAmazon Technologies Inc.
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)aad884dbbb23e6ea11598fa90360404f77e1d199
SSL ISSUED20241105205248Z
SSL EXPIRES20251105205248Z
SSL CYPHERTLS_AES_256_GCM_SHA384
SSL VERSIONTLSv1.3
SSL TRUST (REVOKED)N/A
TAGScloud, self-signed


Cobalt Strike Beacon Information

Beacon TypeN/A
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 JitterN/A
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI34[.]232[.]187[.]165,/preload
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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