General

  • Target

    5b420a717a26e87669adc7ddcb94a545.exe

  • Size

    2.4MB

  • Sample

    240227-w8wrtsgc89

  • MD5

    5b420a717a26e87669adc7ddcb94a545

  • SHA1

    d68fe3d6384afca42ce84592e96f92703f6c5a56

  • SHA256

    8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a

  • SHA512

    c349ea2f052d5696ec6679beae3dc9cb2fd2363d2ecf660adb035819f364b39ef3255fda96063d803249d5efea340ef63e74abed656fce7478a3756d1ae7fb71

  • SSDEEP

    49152:C98S78YwFBpSt7zxLdrvx5G9iVH39Uwk26BIqov0Fr3LJmtAopGP3CT:M85Idrvx5G9iVX9UFWqIyBm/EU

Malware Config

Extracted

Family

socks5systemz

C2

http://cebzuqq.net/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923b6e8efa18c0ec97

http://bvrmmhg.com/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef611c5e6959832

http://bvrmmhg.com/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12eab517aa5c96bd86ec93844e895a8bbc896c58e713bc90c91136b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ef9c9a3ec46f941f

Targets

    • Target

      5b420a717a26e87669adc7ddcb94a545.exe

    • Size

      2.4MB

    • MD5

      5b420a717a26e87669adc7ddcb94a545

    • SHA1

      d68fe3d6384afca42ce84592e96f92703f6c5a56

    • SHA256

      8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a

    • SHA512

      c349ea2f052d5696ec6679beae3dc9cb2fd2363d2ecf660adb035819f364b39ef3255fda96063d803249d5efea340ef63e74abed656fce7478a3756d1ae7fb71

    • SSDEEP

      49152:C98S78YwFBpSt7zxLdrvx5G9iVH39Uwk26BIqov0Fr3LJmtAopGP3CT:M85Idrvx5G9iVX9UFWqIyBm/EU

    • 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