Cobalt Stike Beacon Detected – 79[.]141[.]161[.]22:443

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 2021-11-15T05:57:02.842337

Cobalt Strike
Cobalt Strike

General Information

1030887411
Cloud Provider
Cloud Region
Service
Domainsnelliganlaw[.]co[.]uk
Hostnamesdromedary[.]nelliganlaw[.]co[.]uk
HTTP Host79[.]141[.]161[.]22
ISPHZ Hosting Ltd
ORGHZ Hosting Ltd
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 SERVERnginx
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Chicago
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)41.8798
LOCATION (LONGITUDE)-87.6285
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)9d7d3bbd8557b5b233bf921b89323db9ea9adefb
SSL ISSUED20211112121200Z
SSL EXPIRES20221112121200Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: carmellof[.]com, Connection: close, woocommerce_cart_hash=, Cookie, values=true
http-post.clientHost: carmellof[.]com, Connection: close, Content-Type: application/x-www-form-urlencoded, fullname=, __session__id=, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter41
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URIcarmellof[.]com,/sq[.]html,www[.]carmellof[.]com,/tab_home[.]html,profile[.]carmellof[.]com,/r_config[.]html
HTTP POST URI/profile
Max GET Size2796542
Port443
post-ex.spawnto_x64%windir%\sysnative\WUAUCLT[.]exe
post-ex.spawnto_x86%windir%\syswow64\WUAUCLT[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime59344
useragent_headerMozilla/5.0 (Linux; Android 8.0.0; SM-G960F Build/R16NW) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202
uses_cookies1
process-inject.executeCreateThread, RtlCreateUserThread, CreateRemoteThread
Watermark1580103824
Beacon Stage Cleanup1