General

  • Target
    05f9c3fae9b1f08fc1e5822ae61ee2c0.exe
  • Size 4.8MB
  • Sample240613-pff3casdlr
  • SHA256 5a2322d7f478af9aac39e37b68082d6e7bcba23b0a1b67aa0c9ff6e3c00106f6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socks5systemz

C2
  • bfeiuwu.com

  • http://bfeiuwu.com/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8cf710c0eb92

  • http://bfeiuwu.com/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12eab517aa5c96bd86ec928644825a8bbc896c58e713bc90c91836b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8ed9d9b3bc968

  • ckyycla.net

Targets

    • Target
      05f9c3fae9b1f08fc1e5822ae61ee2c0.exe
    • Size 4.8MB
    • SHA256 5a2322d7f478af9aac39e37b68082d6e7bcba23b0a1b67aa0c9ff6e3c00106f6
    • 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