General

  • Target
    8754c29710885345dfcb4bacc95694730cbd30473b602bbd68def44d0c1ba9c8
  • Size 2.0MB
  • Sample240331-etkmkseb72
  • SHA256 8754c29710885345dfcb4bacc95694730cbd30473b602bbd68def44d0c1ba9c8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socks5systemz

C2
  • http://bdrzhbb.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c644db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe19c5e7909a3b

  • http://bnelgbh.com/search/?q=67e28dd83d54f12b140cff197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a271ea771795af8e05c644db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe19c5e7909a3c

Targets

    • Target
      8754c29710885345dfcb4bacc95694730cbd30473b602bbd68def44d0c1ba9c8
    • Size 2.0MB
    • SHA256 8754c29710885345dfcb4bacc95694730cbd30473b602bbd68def44d0c1ba9c8
    • MD5 SHA1 SHA512 SSDEEP
    • 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