General

  • Target

    55d05fd5a19e6c9163da28136e8f06f9be8654ef3099af24faa8eeb5345068e9.exe

  • Size

    1.8MB

  • Sample

    240308-cm7sesdf3z

  • MD5

    8547adaf86a7ab657c3ae9f8fe0835fe

  • SHA1

    4202647cf87c0263ad059f30b06b04f5d8a7e8a5

  • SHA256

    55d05fd5a19e6c9163da28136e8f06f9be8654ef3099af24faa8eeb5345068e9

  • SHA512

    336b7fcc843a253fea60526aa1800160fe27969d757edc52e22d7e8e290ebaf02921d3c5c5b8435ca7da6fcc1227e5e25fa4d21b49b459394b412cf53b0cb8e9

  • SSDEEP

    24576:CQiNPbM9CTnh3cKwuy9UkfYvqrv6vN7XJshb+bQrMeTx0dyWZlWHXl7zX:C9xM9KHgzv6vBar7xXuKX5X

Malware Config

Extracted

Family

socks5systemz

C2

http://aifbuud.ru/search/?q=67e28dd83f0fa47b1407ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978a271ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923b6e86f915c0ec96

http://bpesksg.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef619c6eb959e38

http://bpesksg.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12eab517aa5c96bd86ee9d814d815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ef9c923dc96f9215

Targets

    • Target

      55d05fd5a19e6c9163da28136e8f06f9be8654ef3099af24faa8eeb5345068e9.exe

    • Size

      1.8MB

    • MD5

      8547adaf86a7ab657c3ae9f8fe0835fe

    • SHA1

      4202647cf87c0263ad059f30b06b04f5d8a7e8a5

    • SHA256

      55d05fd5a19e6c9163da28136e8f06f9be8654ef3099af24faa8eeb5345068e9

    • SHA512

      336b7fcc843a253fea60526aa1800160fe27969d757edc52e22d7e8e290ebaf02921d3c5c5b8435ca7da6fcc1227e5e25fa4d21b49b459394b412cf53b0cb8e9

    • SSDEEP

      24576:CQiNPbM9CTnh3cKwuy9UkfYvqrv6vN7XJshb+bQrMeTx0dyWZlWHXl7zX:C9xM9KHgzv6vBar7xXuKX5X

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Detects executables packed with VMProtect.

    • 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