Cobalt Stike Beacon Detected – 154[.]39[.]240[.]24:2083

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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 2021-11-09T05:08:09.249080

Cobalt Strike
Cobalt Strike

General Information

9.97779542707086e+36
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host154[.]39[.]240[.]24
ISPHONG KONG Megalayer Technology Co.,Limited
ORGHONG KONG Megalayer Technology Co.,Limited
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)Hong Kong
LOCATION (COUNTRY CODE)HK
LOCATION (COUNTRY NAME)Hong Kong
LOCATION (LATITUDE)22.27832
LOCATION (LONGITUDE)114.17469
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)04ee403cbe8d6158b21586a5a973dee16e9ed5af
SSL ISSUED20210420000000Z
SSL EXPIRES20220419235959Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*l;q=0[.]8, Referer: https://mp[.]weixin[.]qq[.]com, Pragma: no-cache, Cache-Control: no-cache, Host: qq[.]flashnewupdate[.]xyz, [.]html
http-post.clientContent-Type: text/html, Referer: https://map[.]weixin[.]qq[.]com, Pragma: no-cache, Cache-Control: no-cache, Host: qq[.]flashnewupdate[.]xyz, [.]html
DNS Beacon MaxDNS255
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 URIqq[.]flashnewupdate[.]xyz,/weixin/
HTTP POST URI/qq/
Max GET Size1398104
Port2083
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)
sleeptime3000
useragent_headerWeChat/8.0.4.34 CFNetwork/1220.1 Darwin/20.3.0
uses_cookiesN/A
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark305419896
Beacon Stage CleanupN/A
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