General

  • Target

    376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba

  • Size

    4.8MB

  • Sample

    240620-2mfrda1bqg

  • MD5

    e453f90cd27e506462f3d5bfd7054148

  • SHA1

    3f645dee28e54c6f262e2ec8b65e97e05bbe48f8

  • SHA256

    376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba

  • SHA512

    208bf169ae42e70dc5501a4accaa20f19927c2d48478a49d0ff685c6a7c0943d186f56f6d0160ff76fa8c072618850289f3936cd9d1c1066e42fd6873f41aa51

  • SSDEEP

    98304:m1X922HLks7WIMRqVIP73Wf86sGuWWir8lXUAtgub/ZgJ/C:sXMasI6/7mf864WWirqXvhRk/C

Malware Config

Extracted

Family

socks5systemz

C2

bffdlbz.com

http://bffdlbz.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd12c3e895

buzugze.com

http://buzugze.com/search/?q=67e28dd8690ba728400aae4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec969d3c

Targets

    • Target

      376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba

    • Size

      4.8MB

    • MD5

      e453f90cd27e506462f3d5bfd7054148

    • SHA1

      3f645dee28e54c6f262e2ec8b65e97e05bbe48f8

    • SHA256

      376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba

    • SHA512

      208bf169ae42e70dc5501a4accaa20f19927c2d48478a49d0ff685c6a7c0943d186f56f6d0160ff76fa8c072618850289f3936cd9d1c1066e42fd6873f41aa51

    • SSDEEP

      98304:m1X922HLks7WIMRqVIP73Wf86sGuWWir8lXUAtgub/ZgJ/C:sXMasI6/7mf864WWirqXvhRk/C

    • 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