Cobalt Stike Beacon Detected – 80[.]66[.]75[.]43:443

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 2024-07-07T22:26:51.402677

Cobalt Strike
Cobalt Strike

General Information

3.96396449412321e+47
Cloud Provider
Cloud Region
Service
Domainssydnc[.]net
Hostnamessydnc[.]net
HTTP Host80[.]66[.]75[.]43
ISPKakharov Orinbassar Maratuly
ORGDUWM LLC
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 SERVERApache-Coyote/1.1
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Moscow
LOCATION (COUNTRY CODE)RU
LOCATION (COUNTRY NAME)Russian Federation
LOCATION (LATITUDE)55.75222
LOCATION (LONGITUDE)37.61556
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)bcefc6fe3a63b35af7d8f03d89f1c757da225548
SSL ISSUED20240615164800Z
SSL EXPIRES20390612164800Z
SSL CYPHERTLS_AES_256_GCM_SHA384
SSL VERSIONTLSv1.3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeN/A
http-get.clientHost: sydnc[.]net, Accept: */*, Accept-Language: en-US, Connection: close, _
http-post.clientHost: sydnc[.]net, Accept: */*, Accept-Language: en, Connection: close, includeMeetingsICoorganize, includeCoorganizers
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 URIsydnc[.]net,/functionalStatus/kUZTARMhqB9CLZlPFu1kZG2-FzAoT
HTTP POST URIN/A
Max GET SizeN/A
PortN/A
post-ex.spawnto_x64%windir%\sysnative\mstsc[.]exe
post-ex.spawnto_x86%windir%\syswow64\mstsc[.]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.dll:RtlUserThreadStart, NtQueueApcThread-s, SetThreadContext, CreateRemoteThread, kernel32.dll:LoadLibraryA, RtlCreateUserThread
WatermarkN/A
Beacon Stage CleanupN/A

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