General

  • Target

    d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078

  • Size

    2.0MB

  • Sample

    240323-nf1w3sac2v

  • MD5

    d85357190e6be1331036f8cf9225d5c2

  • SHA1

    f5c994accc9fc16df9cd4f3e9e13fdea952c17be

  • SHA256

    d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078

  • SHA512

    82dbbd85980edda224365afca6cd75a5f18c4d967a20aec7b2d180f559a90e3772a8c125cb59f03f7465bfee60b42cb93ed037a202f0e7c1bc7c68385430aa0c

  • SSDEEP

    49152:32VR72rAMT8ztu+OmTPjrF13w6GCDiIXSMr09sYe7D:mVR72cMT8zt8sF13wDCDiarQbc

Malware Config

Extracted

Family

socks5systemz

C2

http://cceoyei.net/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c64bdb22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed9c9e38

http://bmqusde.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c64bdb22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9ed9c993a

Targets

    • Target

      d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078

    • Size

      2.0MB

    • MD5

      d85357190e6be1331036f8cf9225d5c2

    • SHA1

      f5c994accc9fc16df9cd4f3e9e13fdea952c17be

    • SHA256

      d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078

    • SHA512

      82dbbd85980edda224365afca6cd75a5f18c4d967a20aec7b2d180f559a90e3772a8c125cb59f03f7465bfee60b42cb93ed037a202f0e7c1bc7c68385430aa0c

    • SSDEEP

      49152:32VR72rAMT8ztu+OmTPjrF13w6GCDiIXSMr09sYe7D:mVR72cMT8zt8sF13wDCDiarQbc

    • 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