General

  • Target

    2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41

  • Size

    4.9MB

  • Sample

    240620-2lknya1bma

  • MD5

    3bb2b9b6ec21a234ba79b09f428ec153

  • SHA1

    b4dce8d69b85459ccd60454baf6bea53aee7097c

  • SHA256

    2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41

  • SHA512

    31637dee0ec556d8dcaafd40b722ead327b8948a117900529d0a57e0e3152def09471b92f5d0373ef74af2c8e6da5d966f22787bddc84b7061485e824ac449cb

  • SSDEEP

    98304:mcZoYqDs6F8qEiUcqR4dVhVL36h6d/QBnWJbEbUHAGUw/Dq9sNB0FbXsk:dZoYqDs6lscqR4dVrVd/w2HAC/Dq9sNG

Malware Config

Extracted

Family

socks5systemz

C2

dtcbkwm.info

http://dtcbkwm.info/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd12c2e893

ebtxkci.ua

http://ebtxkci.ua/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec979d3f

Targets

    • Target

      2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41

    • Size

      4.9MB

    • MD5

      3bb2b9b6ec21a234ba79b09f428ec153

    • SHA1

      b4dce8d69b85459ccd60454baf6bea53aee7097c

    • SHA256

      2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41

    • SHA512

      31637dee0ec556d8dcaafd40b722ead327b8948a117900529d0a57e0e3152def09471b92f5d0373ef74af2c8e6da5d966f22787bddc84b7061485e824ac449cb

    • SSDEEP

      98304:mcZoYqDs6F8qEiUcqR4dVhVL36h6d/QBnWJbEbUHAGUw/Dq9sNB0FbXsk:dZoYqDs6lscqR4dVrVd/w2HAC/Dq9sNG

    • 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