Cobalt Stike Beacon Detected – 82[.]157[.]15[.]31:443

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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 2021-11-10T12:21:08.695322

Cobalt Strike
Cobalt Strike

General Information

1745947850
Cloud ProviderTencent Cloud
Cloud RegionN/A
ServiceN/A
DomainsN/A
HostnamesN/A
HTTP Host82[.]157[.]15[.]31
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 SERVERN/A
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Beijing
LOCATION (COUNTRY CODE)CN
LOCATION (COUNTRY NAME)China
LOCATION (LATITUDE)39.9075
LOCATION (LONGITUDE)116.39723
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)94ffcfc5b74e19abf06a7108a323455f87be2ed9
SSL ISSUED20211017134731Z
SSL EXPIRES20221017134731Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud, self-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientBAIDUID=2A68703B2D04F3BC49EABF92B96F8F29-, Cookie, Accept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, DNT: 1, Sec: None
http-post.clientAccept: */*, Content-Type: text/xml, X-Requested-With: XMLHttpRequest, Sec: None, sn
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter30
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URI1[.]180[.]204[.]161,/20180818/index/main/statics,1[.]198[.]4[.]95,/20180818/main/img-static,106[.]117[.]249[.]36,/20180818/index/main/statics,110[.]185[.]114[.]161,/20180818/index/main/imgs,111[.]12[.]28[.]26,/20180818/index/main/imgs,111[.]123[.]50[.]143,/20180818/main/img-static
HTTP POST URI/20180818/Test/main/searchs/index
Max GET Size1048584
Port443
post-ex.spawnto_x64%SystemDrive%\Program Files\Internet Explorer\iexplore[.]exe
post-ex.spawnto_x86%SystemDrive%\Program Files (x86)\Internet Explorer\iexplore[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocator1
proxy.behavior2 (Use IE settings)
sleeptime40000
useragent_headerMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Safari/537.36
uses_cookies1
process-inject.executentdll:RtlUserThreadStart, CreateThread, NtQueueApcThread-s, SetThreadContext, NtQueueApcThread, RtlCreateUserThread, CreateRemoteThread
Watermark1234567890
Beacon Stage Cleanup1
Available for Amazon Prime