General

  • Target

    7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335

  • Size

    5.0MB

  • Sample

    240613-3eaqtsyfkl

  • MD5

    2dc01538975ccf81719fde06d86258de

  • SHA1

    7221f4adc75179ba3ba649803637cc8d0b249690

  • SHA256

    7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335

  • SHA512

    9463403c379722094836ed1596e3efbcf0026688172ad2a2ae3aff9f4683055a934e8a93580a2c9380afd3fffe63909a5c827149d2bfbb726c92766623fc4eca

  • SSDEEP

    98304:m54W02z7ekO/GxuMoaOLkiyPMExTIfSGB4gMyhrVdFyRQBWRtT3JTy:Y4V/Gxu5joipE9Ifljxr9ug

Malware Config

Extracted

Family

socks5systemz

C2

bfdqcxa.com

http://bfdqcxa.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd10c1e890

ceciqle.net

http://ceciqle.net/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ee949d3f

Targets

    • Target

      7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335

    • Size

      5.0MB

    • MD5

      2dc01538975ccf81719fde06d86258de

    • SHA1

      7221f4adc75179ba3ba649803637cc8d0b249690

    • SHA256

      7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335

    • SHA512

      9463403c379722094836ed1596e3efbcf0026688172ad2a2ae3aff9f4683055a934e8a93580a2c9380afd3fffe63909a5c827149d2bfbb726c92766623fc4eca

    • SSDEEP

      98304:m54W02z7ekO/GxuMoaOLkiyPMExTIfSGB4gMyhrVdFyRQBWRtT3JTy:Y4V/Gxu5joipE9Ifljxr9ug

    • 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