Cobalt Stike Beacon Detected – 1[.]15[.]140[.]118:443

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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 2021-11-15T15:11:35.773913

Cobalt Strike
Cobalt Strike

General Information

5.060193394006065e+47
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host1[.]15[.]140[.]118
ISPShenzhen Tencent Computer Systems Company Limited
ORGTencent cloud computing (Beijing) Co., 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 SERVERApache
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Guangzhou
LOCATION (COUNTRY CODE)CN
LOCATION (COUNTRY NAME)China
LOCATION (LATITUDE)23.11667
LOCATION (LONGITUDE)113.25
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)9764122b0c49e56a8b7bb30fc7bbd2aaf096b211
SSL ISSUED20210512025700Z
SSL EXPIRES20360508025700Z
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,*/*;q=0[.]8, Accept-Language: en-US,en;q=0[.]5, Referer: https://code[.]jquery[.]com/, __cfduid=, Cookie
http-post.clientAccept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Referer: https://code[.]jquery[.]com/, __cfduid=, Cookie
DNS Beacon MaxDNS255
DNS Beacon Idle1249756273
Beacon Jitter37
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URIservice-7pn2j5z9-1304745318[.]bj[.]apigw[.]tencentcs[.]com,/jquery-3[.]3[.]1[.]min[.]js
HTTP POST URI/jquery-3.3.2.min.js
Max GET Size1403641
Port443
post-ex.spawnto_x64%windir%\sysnative\svchost[.]exe -k netsvcs
post-ex.spawnto_x86%windir%\syswow64\svchost[.]exe -k netsvcs
process-inject.startrwx64
process-inject.userwx32
process-inject.allocator1
proxy.behavior2 (Use IE settings)
sleeptime10000
useragent_headerMozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)
uses_cookies1
process-inject.executentdll:RtlUserThreadStart, CreateThread, NtQueueApcThread-s, CreateRemoteThread, RtlCreateUserThread
WatermarkN/A
Beacon Stage Cleanup1
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