Cobalt Stike Beacon Detected – 192[.]34[.]109[.]100:443

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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 2021-11-08T23:34:47.556113

Cobalt Strike
Cobalt Strike

General Information

3.583262583403842e+41
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host192[.]34[.]109[.]100
ISPWowrack.com
ORGWowrack.com
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 SERVERcloudflare
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Seattle
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)47.60621
LOCATION (LONGITUDE)-122.33207
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)3728822f4db708db14454cd56c38dfef6f655b0d
SSL ISSUED20211024131017Z
SSL EXPIRES20220122131016Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: easyupdatepro[.]com, Connection: close, Accept-Language: en-US, made_write_conn=, Cookie, userspage=true
http-post.clientHost: easyupdatepro[.]com, Connection: close, Accept-Encoding: gzip, Content-Type: text/plain, __session__id=, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter43
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI192[.]34[.]109[.]100,/ak
HTTP POST URI/br
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)
sleeptime60002
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
Watermark305419776
Beacon Stage Cleanup1
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