General

  • Target

    753ea801ae752661103a6dc26db54185f6bf7294cd7957343583f0377cae47a1

  • Size

    4.6MB

  • Sample

    240613-3dd2vsyepl

  • MD5

    6d37dfd43fe60ea1ec709e38e11c93de

  • SHA1

    aa535a2b2858e9991b6dddd391254b78fb654c88

  • SHA256

    753ea801ae752661103a6dc26db54185f6bf7294cd7957343583f0377cae47a1

  • SHA512

    66c50bc47e62d6066ab0519bb9890ab23f9fa1cd57f57a61aee124349d6548400815a7f341ceea4d70c3442e1cccf270f026a817a42d50f1c37933b6a05bbec6

  • SSDEEP

    98304:m625nEAey9Pe2a/Thwac4p6g98YevsugBrJdDUxj0WM/O2:HmEnMi7hwa9SmHCwG2

Malware Config

Extracted

Family

socks5systemz

C2

bnqbysv.com

http://bnqbysv.com/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd10c0e696

bfuggwp.com

http://bfuggwp.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ee959d32

Targets

    • Target

      753ea801ae752661103a6dc26db54185f6bf7294cd7957343583f0377cae47a1

    • Size

      4.6MB

    • MD5

      6d37dfd43fe60ea1ec709e38e11c93de

    • SHA1

      aa535a2b2858e9991b6dddd391254b78fb654c88

    • SHA256

      753ea801ae752661103a6dc26db54185f6bf7294cd7957343583f0377cae47a1

    • SHA512

      66c50bc47e62d6066ab0519bb9890ab23f9fa1cd57f57a61aee124349d6548400815a7f341ceea4d70c3442e1cccf270f026a817a42d50f1c37933b6a05bbec6

    • SSDEEP

      98304:m625nEAey9Pe2a/Thwac4p6g98YevsugBrJdDUxj0WM/O2:HmEnMi7hwa9SmHCwG2

    • 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