Cobalt Stike Beacon Detected – 185[.]243[.]114[.]50:443

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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 2021-11-10T07:21:26.548893

Cobalt Strike
Cobalt Strike

General Information

1608266575
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host185[.]243[.]114[.]50
ISPMichael Sebastian Schinzel trading as IP-Projects GmbH & Co. KG
ORGCrownCloud
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)Frankfurt am Main
LOCATION (COUNTRY CODE)DE
LOCATION (COUNTRY NAME)Germany
LOCATION (LATITUDE)50.11552
LOCATION (LONGITUDE)8.68417
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)2aedf412fbe253c7adbacb925a93dec7d5008ac2
SSL ISSUED20210902201752Z
SSL EXPIRES20220902201752Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: 185[.]243[.]114[.]50, Accept: */*, Cookie: MicrosoftApplicationsTelemetryDeviceId=95c18d8-4dce9854;ClientId=1C0F6C5D910F9;MSPAuth=3EkAjDKjI;xid=730bf7;wla42=ZG0yMzA2KjEs, wa, path=/calendar
http-post.clientHost: 185[.]243[.]114[.]50, Accept: */*, wa, wla42=, xid=730bf7;, MSPAuth=3EkAjDKjI;, ClientId=1C0F6C5D910F9;, MicrosoftApplicationsTelemetryDeviceId=95c18d8-4dce9854;, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter29
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URI185[.]243[.]114[.]50,/owa/DL2hjoa4LSPgFttKSLVm
HTTP POST URI/owa/KWLJ-rXM30-sDUhBHMexOZEZ
Max GET Size1398102
Port443
post-ex.spawnto_x64%windir%\sysnative\logman[.]exe
post-ex.spawnto_x86%windir%\syswow64\logman[.]exe
process-inject.startrwx64
process-inject.userwx32
process-inject.allocator1
proxy.behavior2 (Use IE settings)
sleeptime3000
useragent_headerMozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.104 Safari/537.36
uses_cookies1
process-inject.executentdll.dll:RtlUserThreadStart, NtQueueApcThread-s, SetThreadContext, CreateRemoteThread, kernel32.dll:LoadLibraryA, RtlCreateUserThread
WatermarkN/A
Beacon Stage Cleanup1
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