General

  • Target

    bf7c1fd943154898fd013c7d1378a8dcd7e8a4ee01d75b4be1ffd9dd13b03aa9

  • Size

    2.0MB

  • Sample

    240325-es1x6saf61

  • MD5

    b97c85c728faa7328c0117358dd6c655

  • SHA1

    920934203e9236748d896f9cb28fdf78d3d6c4db

  • SHA256

    bf7c1fd943154898fd013c7d1378a8dcd7e8a4ee01d75b4be1ffd9dd13b03aa9

  • SHA512

    981170a1d768ffabfd7655b77b88c289486934cb3cf16de80943678128e130f03424883799ddb3796360616a35cd02dae2288459654f1c1f55565c8cb8f306c1

  • SSDEEP

    49152:32+wfjU5JIGUpo0vs4sczkE8yrwZ0bAfEqUr/QHWL:m+oUZUpTUlDE5EZAQEiHWL

Malware Config

Extracted

Family

socks5systemz

C2

http://aaftood.ru/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c4ef959e3e

http://aaftood.ru/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12eab517aa5c96bd86e9948048815a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5dd6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94993fcd6f9213

http://aqqxdni.ru/search/?q=67e28dd83e0ff228160df91f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe12c4ef959f38

Targets

    • Target

      bf7c1fd943154898fd013c7d1378a8dcd7e8a4ee01d75b4be1ffd9dd13b03aa9

    • Size

      2.0MB

    • MD5

      b97c85c728faa7328c0117358dd6c655

    • SHA1

      920934203e9236748d896f9cb28fdf78d3d6c4db

    • SHA256

      bf7c1fd943154898fd013c7d1378a8dcd7e8a4ee01d75b4be1ffd9dd13b03aa9

    • SHA512

      981170a1d768ffabfd7655b77b88c289486934cb3cf16de80943678128e130f03424883799ddb3796360616a35cd02dae2288459654f1c1f55565c8cb8f306c1

    • SSDEEP

      49152:32+wfjU5JIGUpo0vs4sczkE8yrwZ0bAfEqUr/QHWL:m+oUZUpTUlDE5EZAQEiHWL

    • 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