General

  • Target

    8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1

  • Size

    1.8MB

  • Sample

    240328-kz5slaeg28

  • MD5

    a6659daf6c9fb92db47fedd4bb6a2a20

  • SHA1

    b7bb128e65fccc69470e6193bedf9fd1e263af0d

  • SHA256

    8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1

  • SHA512

    b5c52c96987dd4bc72846ef4f1785f849a8277780adcb51cee431bf46ce74b609297babf3f900ceaa5076a18e2f32c05e2b9cf9bd198cd6126aa47abf6e66795

  • SSDEEP

    49152:32HiQs4lxGrL4Q63z482pMh99RtTKoR7g2Ap:mHiQs4lkI8pMh9ZTv62Ap

Malware Config

Extracted

Family

socks5systemz

C2

http://cslksqd.net/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe17c1e9939c3f

http://cslksqd.net/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12eab517aa5c96bd86eb97854b815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949c3acb699012

http://ccfermi.net/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe17c1e9939c3a

http://ccfermi.net/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12eab517aa5c96bd86ef95824a815a8bbc896c58e713bc90c91b36b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949c3acb699017

Targets

    • Target

      8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1

    • Size

      1.8MB

    • MD5

      a6659daf6c9fb92db47fedd4bb6a2a20

    • SHA1

      b7bb128e65fccc69470e6193bedf9fd1e263af0d

    • SHA256

      8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1

    • SHA512

      b5c52c96987dd4bc72846ef4f1785f849a8277780adcb51cee431bf46ce74b609297babf3f900ceaa5076a18e2f32c05e2b9cf9bd198cd6126aa47abf6e66795

    • SSDEEP

      49152:32HiQs4lxGrL4Q63z482pMh99RtTKoR7g2Ap:mHiQs4lkI8pMh9ZTv62Ap

    • 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