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General

  • Target

    a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd

  • Size

    4.8MB

  • Sample

    240627-25w63sxckh

  • MD5

    20b715255948a66e9c034bbb86e34e24

  • SHA1

    295c9b4a35dd22c10cf14b1b80939fd3bf8a6273

  • SHA256

    a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd

  • SHA512

    a71aaf3ac80420761cdf0a75cdd4cd636f814540ca1155a17f7e22b2d68d6e9c48c61d1ac865aa90af5471592745deefb170a3459e7a5f52faae8a03bef91ca2

  • SSDEEP

    98304:mdvtdkxcJjbuUdWlL0NAwBrnx7h0nI4KcNNcAyIn0dn1Ufizm3ASzT:kvXkxcuUd6qjBrnAnnUAyIDhASX

Malware Config

Extracted

Family

socks5systemz

C2

bubriau.com

http://bubriau.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e8bfd18c9ec95

bmeqdne.com

http://bmeqdne.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff614c2e69c9a3f

http://bmeqdne.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12eab517aa5c96bd86ef978e4f825a8bbc896c58e713bc90c91936b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9c9f39c4669612

Targets

    • Target

      a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd

    • Size

      4.8MB

    • MD5

      20b715255948a66e9c034bbb86e34e24

    • SHA1

      295c9b4a35dd22c10cf14b1b80939fd3bf8a6273

    • SHA256

      a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd

    • SHA512

      a71aaf3ac80420761cdf0a75cdd4cd636f814540ca1155a17f7e22b2d68d6e9c48c61d1ac865aa90af5471592745deefb170a3459e7a5f52faae8a03bef91ca2

    • SSDEEP

      98304:mdvtdkxcJjbuUdWlL0NAwBrnx7h0nI4KcNNcAyIn0dn1Ufizm3ASzT:kvXkxcuUd6qjBrnAnnUAyIDhASX

    • 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