General

  • Target

    85da433c51e697994fcb89ee1c7af56d8e6fa7e97e8061ef2208edebfdab9af6

  • Size

    4.9MB

  • Sample

    240613-3g356avgme

  • MD5

    786208b8c589f1b65b78a4f5a92b0995

  • SHA1

    8837bc571a47e5956ef0a8ce9a96a4a34dca40b5

  • SHA256

    85da433c51e697994fcb89ee1c7af56d8e6fa7e97e8061ef2208edebfdab9af6

  • SHA512

    0b0e6d231dcb09e548c3619b91737efe85121b29c5d1abbaaac8faea5197f0d18fb1f8369295bd38f2dc8c01f8979e4b46166c4ab7803cca199549d65c6a75d7

  • SSDEEP

    98304:mWBJGQm864/NEH2oOJzig8EMVWEMFU28OvZvT3I5B7JYlmZ8aO1Kj:BJGF86FWhJzP8EM8q29vhTqB70m3x

Malware Config

Extracted

Family

socks5systemz

C2

bntaekk.com

http://bntaekk.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd10c4e895

http://bntaekk.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12eab517aa5c96bd86e596824996148ab2865b77f80ebad9c50f7cb63037ed2ab423a4654383ba915d911ec07bb606a0708720fa11b861c353baf51aba1e7242fa7023cc366689fe19c3ed949e3ccd

cesjbbm.net

http://cesjbbm.net/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ee919c33

http://cesjbbm.net/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12eab517aa5c96bd86ee96854d895a8bbc896c58e713bc90c91c36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9939cc6b901e

Targets

    • Target

      85da433c51e697994fcb89ee1c7af56d8e6fa7e97e8061ef2208edebfdab9af6

    • Size

      4.9MB

    • MD5

      786208b8c589f1b65b78a4f5a92b0995

    • SHA1

      8837bc571a47e5956ef0a8ce9a96a4a34dca40b5

    • SHA256

      85da433c51e697994fcb89ee1c7af56d8e6fa7e97e8061ef2208edebfdab9af6

    • SHA512

      0b0e6d231dcb09e548c3619b91737efe85121b29c5d1abbaaac8faea5197f0d18fb1f8369295bd38f2dc8c01f8979e4b46166c4ab7803cca199549d65c6a75d7

    • SSDEEP

      98304:mWBJGQm864/NEH2oOJzig8EMVWEMFU28OvZvT3I5B7JYlmZ8aO1Kj:BJGF86FWhJzP8EM8q29vhTqB70m3x

    • 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