General

  • Target

    9e57db5871a07aa157a15ec8b85951faf837ed8b3144ec8a8d6873394833cb61

  • Size

    4.6MB

  • Sample

    240624-mzemhssbnm

  • MD5

    9cc4f6f988c268a082f1c14bd74b2364

  • SHA1

    811b4d0d6377a27083da477b9b1da972de44fb1b

  • SHA256

    9e57db5871a07aa157a15ec8b85951faf837ed8b3144ec8a8d6873394833cb61

  • SHA512

    24547df13db4ccd7157c40c1e0285a44ebb739a84e6ff1b5bf9d1f624acdffd55543d2ad7f15764f6654f2fe08f3cacceb3f496d88ffd2a7cc237e8109b8abac

  • SSDEEP

    98304:mndONruPM3XfuHGpKUnRF6qVokwZbbzyciLPGDkXZRgjPyynmlOtH:PrCyWdkRFdabbzmGMZRqPEOtH

Malware Config

Extracted

Family

socks5systemz

C2

bwknbbl.com

http://bwknbbl.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff613c2e990983f

ckianep.net

http://ckianep.net/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff613c2e991933d

http://ckianep.net/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12eab517aa5c96bd86ee968448845a8bbc896c58e713bc90c91b36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9839cb6b9f10

Targets

    • Target

      9e57db5871a07aa157a15ec8b85951faf837ed8b3144ec8a8d6873394833cb61

    • Size

      4.6MB

    • MD5

      9cc4f6f988c268a082f1c14bd74b2364

    • SHA1

      811b4d0d6377a27083da477b9b1da972de44fb1b

    • SHA256

      9e57db5871a07aa157a15ec8b85951faf837ed8b3144ec8a8d6873394833cb61

    • SHA512

      24547df13db4ccd7157c40c1e0285a44ebb739a84e6ff1b5bf9d1f624acdffd55543d2ad7f15764f6654f2fe08f3cacceb3f496d88ffd2a7cc237e8109b8abac

    • SSDEEP

      98304:mndONruPM3XfuHGpKUnRF6qVokwZbbzyciLPGDkXZRgjPyynmlOtH:PrCyWdkRFdabbzmGMZRqPEOtH

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks