General

  • Target

    31e01939d709a165c73f7ed49d034ad711073b78915d2f8213e6dae66db51eae

  • Size

    4.9MB

  • Sample

    240627-vh6zfa1bnd

  • MD5

    2c831fc5c396247c3868c8cef5806eff

  • SHA1

    6df88f14742f95e73bf50d67829ff7ab6cf4adcf

  • SHA256

    31e01939d709a165c73f7ed49d034ad711073b78915d2f8213e6dae66db51eae

  • SHA512

    154f3f205e6b95a652f76b05512a968fa813c3fd695c778eb1fe9a9a4b3d0b7dbd0e35a9160de69b6b8ae7306a780bdec0b38b12499840e3ecaac125776ef326

  • SSDEEP

    98304:Cq2rQod3uC37lkXPQUGNO8ouxAZOJGG99QSVbhvRYUpu1CeiR+296TxQxFE:GQq3uOYQU18ou6ZOJGG9fVbtRHpuU7Rw

Malware Config

Extracted

Family

socks5systemz

C2

bfrsjwk.com

http://bfrsjwk.com/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff614c0e893933f

http://bfrsjwk.com/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12eab517aa5c96bd86e590834596148ab2865b77f80ebad9cc0f7cb63037ed2ab423a4324383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1e6909a3ccb6692

bhrikbh.com

http://bhrikbh.com/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff614c0e8939338

http://bhrikbh.com/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12eab517aa5c96bd86ee968448845a8bbc896c58e713bc90c91b36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9f3bca699f15

Targets

    • Target

      31e01939d709a165c73f7ed49d034ad711073b78915d2f8213e6dae66db51eae

    • Size

      4.9MB

    • MD5

      2c831fc5c396247c3868c8cef5806eff

    • SHA1

      6df88f14742f95e73bf50d67829ff7ab6cf4adcf

    • SHA256

      31e01939d709a165c73f7ed49d034ad711073b78915d2f8213e6dae66db51eae

    • SHA512

      154f3f205e6b95a652f76b05512a968fa813c3fd695c778eb1fe9a9a4b3d0b7dbd0e35a9160de69b6b8ae7306a780bdec0b38b12499840e3ecaac125776ef326

    • SSDEEP

      98304:Cq2rQod3uC37lkXPQUGNO8ouxAZOJGG99QSVbhvRYUpu1CeiR+296TxQxFE:GQq3uOYQU18ou6ZOJGG9fVbtRHpuU7Rw

    • 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