General

  • Target

    cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe

  • Size

    2.1MB

  • Sample

    240325-cvmr8age4t

  • MD5

    406974e05e94b8586cff2ecf2e00d2de

  • SHA1

    1a57282797d06ee6091af015d5095506dd83a363

  • SHA256

    cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f

  • SHA512

    dce958396571fc00bfccd3f073b9f013e1017434ecc3d9f3b2bc55be1d30879ece524927b2a5110639daac95aadef83e04839dbca118aff6736e3cc0d7a23d82

  • SSDEEP

    49152:32cJU0UwraR8jxQo8fh4Sc8jSwVrok7EKfQmgkoaM:maUwrZWNfh28jVrtEKIrIM

Malware Config

Extracted

Family

socks5systemz

C2

http://ceuzyek.net/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc12c5ef92

http://bwwbsij.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec909a3c

Targets

    • Target

      cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe

    • Size

      2.1MB

    • MD5

      406974e05e94b8586cff2ecf2e00d2de

    • SHA1

      1a57282797d06ee6091af015d5095506dd83a363

    • SHA256

      cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f

    • SHA512

      dce958396571fc00bfccd3f073b9f013e1017434ecc3d9f3b2bc55be1d30879ece524927b2a5110639daac95aadef83e04839dbca118aff6736e3cc0d7a23d82

    • SSDEEP

      49152:32cJU0UwraR8jxQo8fh4Sc8jSwVrok7EKfQmgkoaM:maUwrZWNfh28jVrtEKIrIM

    • 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