Cobalt Stike Beacon Detected – 157[.]90[.]245[.]141:8443

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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 2021-11-10T23:34:34.645716

Cobalt Strike
Cobalt Strike

General Information

7.070217067709774e+47
Cloud Provider
Cloud Region
Service
Domainsyour-server[.]de
Hostnamesstatic[.]141[.]245[.]90[.]157[.]clients[.]your-server[.]de
HTTP Host157[.]90[.]245[.]141
ISPHetzner Online GmbH
ORGHetzner Online 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 SERVERN/A
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Frankfurt am Main
LOCATION (COUNTRY CODE)DE
LOCATION (COUNTRY NAME)Germany
LOCATION (LATITUDE)50.11552
LOCATION (LONGITUDE)8.68417
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)6c5cc1713d98f9dcbc553caea0e0c93362722d99
SSL ISSUED20210820083900Z
SSL EXPIRES20310818083900Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: containercup[.]xyz, Accept: text/html,application/xhtml+xml, Cookie: DV=c2kfg54sdAA; ANID=DS35FDSFDFsdfg4, Accept-Language: en-US,en;q=0[.]5, version, url=defhh[.]org, jej=dfes
http-post.clientHost: containercup[.]xyz, Referer: https://www[.]gej3g[.]com, Origin: https://www[.]3jf3[.]com, version, c
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter50
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URIcontainercup[.]xyz,/search/
HTTP POST URI/aip/
Max GET Size2097156
Port8443
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 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36
uses_cookies1
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark1359593325
Beacon Stage CleanupN/A
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