General

  • Target
    2a29d26bf0cbd899c91002cb7548d02b219d9c22df657d3c0e30d55b6f323db5
  • Size 4.7MB
  • Sample240613-2mbsestcld
  • SHA256 2a29d26bf0cbd899c91002cb7548d02b219d9c22df657d3c0e30d55b6f323db5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socks5systemz

C2
  • csyfoes.net

  • http://csyfoes.net/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfe19c5ea9c

  • csmoorn.net

  • http://csmoorn.net/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c1e7909f3d

Targets

    • Target
      2a29d26bf0cbd899c91002cb7548d02b219d9c22df657d3c0e30d55b6f323db5
    • Size 4.7MB
    • SHA256 2a29d26bf0cbd899c91002cb7548d02b219d9c22df657d3c0e30d55b6f323db5
    • 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