General

  • Target

    8d2f10057105ec032c4aab9f1d3b7a25.bin

  • Size

    2.0MB

  • Sample

    240325-dpvrbahe7w

  • MD5

    56cc90e77f86b43de5ab9f4bc8d7e699

  • SHA1

    0a96a2c818505ba46fccf3b88cc29d9a87887dc4

  • SHA256

    b4a43898413c9583039c91e929dbda25f08a367950e2d4b1a84ddc920b38e8e3

  • SHA512

    3843945edd0ac8c73d2603f016ecf3263abd3a310498ed09990ee266c4bbadc135257c7b7efe7e5418c33e023b669d87410adf7c694d93fb818d116ceb00836b

  • SSDEEP

    49152:IXsrdS8uNHm3TzdYjiXSeM8bmfFIDaocg7vvu7Xr:msasTBMySeMGaocivm7

Malware Config

Extracted

Family

socks5systemz

C2

http://bmkrgmu.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc17c3ea9d

http://bftellb.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3e9969c3d

Targets

    • Target

      4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe

    • Size

      2.0MB

    • MD5

      8d2f10057105ec032c4aab9f1d3b7a25

    • SHA1

      b8023025f8021b52ce3b2498c15babbdacc29de1

    • SHA256

      4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55

    • SHA512

      cc7bd42fc34b7d330ebbe63fede57e9d35d2629374cd2bc19cbb7c92fec3973ad67701069e5e9178da8fa521784d6d40239ef02b6c4ce71aaa7da8e4675186fb

    • SSDEEP

      49152:32rWdv1Gfzcw/B4PdlcDK+hagJbUaSbT/wbNeSy1oyrcjxM8RH:mrhzcuBAYe+kgJYfwbNZMoMixzRH

    • 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