General

  • Target
    f306ea1faa91611b7bc26e9cc0bd3956.bin
  • Size 1.9MB
  • Sample240331-cjle1sbg91
  • SHA256 b11c35be319f1d4e66a81f1c74c814d1fc8f80d29b6e9945582da338406bbd2e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socks5systemz

C2
  • http://bbiddne.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6686fa11c8ea95

  • http://cewbihh.net/search/?q=67e28dd8685ff32d4309f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe19c5ef9d9f33

  • http://cewbihh.net/search/?q=67e28dd8685ff32d4309f94d7c27d78406abdd88be4b12eab517aa5c96bd86eb90814f845a8bbc896c58e713bc90c91836b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94923ecd67931e

Targets

    • Target
      ff66d8e75eccb014fd09adc9045bd1630219def9a7635d4a9ac382466eb7f435.exe
    • Size 2.0MB
    • SHA256 ff66d8e75eccb014fd09adc9045bd1630219def9a7635d4a9ac382466eb7f435
    • 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