Cobalt Stike Beacon Detected – 1[.]15[.]20[.]229:443

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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 2021-11-09T10:31:31.826492

Cobalt Strike
Cobalt Strike

General Information

1447005191
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host1[.]15[.]20[.]229
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 EXPIREDtrue
SSL FINGERPRINT (SHA1)3b0fc7f29bbac93ad3ed4ba30869942d6a782204
SSL ISSUED20210423101747Z
SSL EXPIRES20210722101747Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: */*, GetContentFeatures[.]DLNA[.]ORG: 1, Cookie: __utma=210077622[.]1732439995[.]1433201462[.]1403204372[.]1385202493[.]2;, version=4, lid=1582502724, token
http-post.clientAccept: */*, Content-Type: text/xml, X-Requested-With: XMLHttpRequest, rid, lid=1582502724, method=getSearchRecommendations
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter21
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URI1[.]15[.]20[.]229,/access/
HTTP POST URI/radio/xmlrpc/v35
Max GET Size2097240
Port443
post-ex.spawnto_x64%windir%\sysnative\WerFault[.]exe
post-ex.spawnto_x86%windir%\syswow64\WerFault[.]exe
process-inject.startrwx64
process-inject.userwx32
process-inject.allocator1
proxy.behavior2 (Use IE settings)
sleeptime1000
useragent_headerMozilla/5.0 (Trident/7.0; LCJB; rv:11.0) Iike Gecko
uses_cookies1
process-inject.executeCreateThread, NtQueueApcThread-s, CreateRemoteThread, RtlCreateUserThread
WatermarkN/A
Beacon Stage Cleanup1
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