General

  • Target

    8b8e539891f62d1f6291059714555844d7595bb45e1232647adbd500347676c4

  • Size

    5.1MB

  • Sample

    240625-nnswfazgkm

  • MD5

    ff76ffecd79543730a94f222b0da53a6

  • SHA1

    6e76c7fda9e08cb6f9065aa56e2dfaaf1754946c

  • SHA256

    8b8e539891f62d1f6291059714555844d7595bb45e1232647adbd500347676c4

  • SHA512

    3c3afaaaf19427d2744482e3b2258ec987fee2728aae94c537902c5eb94aa8deabf5207d41a1bd091e4c3c46cc52ac4cf938c836c15300cb9f1ea924ca871806

  • SSDEEP

    98304:mDqWBfmZVOnEMzuEhCcAOR90PXIFS4O5dCe5ZUy63bN3KH2uq:QqWhGWoPXIFSJ5dCkWDW2z

Malware Config

Extracted

Family

socks5systemz

C2

bmwuidg.com

http://bmwuidg.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff612c1ea979e3d

http://bmwuidg.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12eab517aa5c96bd86ef9c814e855a8bbc896c58e713bc90c91f36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c993ac86d9210

ejzgnsc.ua

Targets

    • Target

      8b8e539891f62d1f6291059714555844d7595bb45e1232647adbd500347676c4

    • Size

      5.1MB

    • MD5

      ff76ffecd79543730a94f222b0da53a6

    • SHA1

      6e76c7fda9e08cb6f9065aa56e2dfaaf1754946c

    • SHA256

      8b8e539891f62d1f6291059714555844d7595bb45e1232647adbd500347676c4

    • SHA512

      3c3afaaaf19427d2744482e3b2258ec987fee2728aae94c537902c5eb94aa8deabf5207d41a1bd091e4c3c46cc52ac4cf938c836c15300cb9f1ea924ca871806

    • SSDEEP

      98304:mDqWBfmZVOnEMzuEhCcAOR90PXIFS4O5dCe5ZUy63bN3KH2uq:QqWhGWoPXIFSJ5dCkWDW2z

    • 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