General

  • Target

    efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d

  • Size

    4.5MB

  • Sample

    240620-3rwh3axarm

  • MD5

    b64b3050b57029846afbab4b5662a9bc

  • SHA1

    471be048fbd996f1cc56267e28c7e15b5b77e80c

  • SHA256

    efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d

  • SHA512

    18ce5e4932721bef4a18b56b4878aaf98d180030f3795c0653ba15f32dc090a027d4b0e7b20ebba44ec2aeca1947b39d3a1d0f1df774df77e2723f8361a1f063

  • SSDEEP

    98304:m6dwQCayJ0tFitrlVJ6DF0vw89+w5V6aXEAQyeObtRW4ZuUkH:Be23CJ6Dyvwwz5CAQyD8TUo

Malware Config

Extracted

Family

socks5systemz

C2

buveoff.com

http://buveoff.com/search/?q=67e28dd86c0ca72e110aab177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd16c1e79c

http://buveoff.com/search/?q=67e28dd86c0ca72e110aab177c27d78406abdd88be4b12eab517aa5c96bd86eb938e4c96148ab2865b77f80ebad9c00f7cb63037ed2ab423a4334383ba915d911ec07bb606a0708720fa11b861c353baf51aba1e7242fa7023cc366689fe19c9ed929b33c4

bubqbvo.com

http://bubqbvo.com/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2e894923c

http://bubqbvo.com/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12eab517aa5c96bd86ef918e49865a8bbc896c58e713bc90c91136b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9339ca6e9e11

Targets

    • Target

      efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d

    • Size

      4.5MB

    • MD5

      b64b3050b57029846afbab4b5662a9bc

    • SHA1

      471be048fbd996f1cc56267e28c7e15b5b77e80c

    • SHA256

      efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d

    • SHA512

      18ce5e4932721bef4a18b56b4878aaf98d180030f3795c0653ba15f32dc090a027d4b0e7b20ebba44ec2aeca1947b39d3a1d0f1df774df77e2723f8361a1f063

    • SSDEEP

      98304:m6dwQCayJ0tFitrlVJ6DF0vw89+w5V6aXEAQyeObtRW4ZuUkH:Be23CJ6Dyvwwz5CAQyD8TUo

    • 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