Cobalt Stike Beacon Detected – 176[.]57[.]150[.]29:443

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 2024-08-09T11:12:09.948510

Cobalt Strike
Cobalt Strike

General Information

803836080
Cloud Provider
Cloud Region
Service
Domainscontaboserver[.]net
Hostnamesvmi2051610[.]contaboserver[.]net
HTTP Host176[.]57[.]150[.]29
ISPContabo GmbH
ORGContabo GmbH
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 SERVERAkamaiGHost
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Düsseldorf
LOCATION (COUNTRY CODE)DE
LOCATION (COUNTRY NAME)Germany
LOCATION (LATITUDE)51.22172
LOCATION (LONGITUDE)6.77616
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)0c74b75536e0a004ba48c7994d4dea6135765131
SSL ISSUED20240809042538Z
SSL EXPIRES20250809042538Z
SSL CYPHERTLS_AES_256_GCM_SHA384
SSL VERSIONTLSv1.3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeN/A
http-get.clientAccept: image/*, application/xml, application/json, Accept-Language: ro, Accept-Encoding: compress, gzip, secure_id_51P4XYNX612IDAZL0G0=, Cookie
http-post.clientAccept: application/json, text/html, image/*, Accept-Language: ko, Accept-Encoding: gzip, compress, _OPYRRYPA
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 URIvmi2051610[.]contaboserver[.]net,/record/v3[.]73/GGHFU8GVW8DW
HTTP POST URIN/A
Max GET SizeN/A
PortN/A
post-ex.spawnto_x64%windir%\sysnative\dllhost[.]exe -o enable
post-ex.spawnto_x86%windir%\syswow64\grpconv[.]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.executentdll:RtlUserThreadStart, CreateThread, NtQueueApcThread-s, CreateRemoteThread, RtlCreateUserThread
WatermarkN/A
Beacon Stage CleanupN/A

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