General

  • Target

    8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab

  • Size

    4.9MB

  • Sample

    240516-3lh1saef38

  • MD5

    8e97078cb66e1d255dac663ba939a172

  • SHA1

    846435fff9c8ff4dd68126d1edf36a1a1fb2708e

  • SHA256

    8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab

  • SHA512

    c70051772c4e141a0989824c36f134a67773b9e882145e2932169199037d3cc720099fad9b0b4cf6b3d4ecd9c24da6c47e4ceafeb1b742ba09d0ee321f11bc87

  • SSDEEP

    98304:ZviwzLucLfIVONWZGuIeeuYzmQiaaLO6dObIl5iRvP:ZvigfIQWEetY2ZdnfSvP

Malware Config

Extracted

Family

socks5systemz

C2

http://csixzbo.net/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6287ff13c6ed9d

http://bpdrdxy.com/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffa18c0ed93983c

Targets

    • Target

      8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab

    • Size

      4.9MB

    • MD5

      8e97078cb66e1d255dac663ba939a172

    • SHA1

      846435fff9c8ff4dd68126d1edf36a1a1fb2708e

    • SHA256

      8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab

    • SHA512

      c70051772c4e141a0989824c36f134a67773b9e882145e2932169199037d3cc720099fad9b0b4cf6b3d4ecd9c24da6c47e4ceafeb1b742ba09d0ee321f11bc87

    • SSDEEP

      98304:ZviwzLucLfIVONWZGuIeeuYzmQiaaLO6dObIl5iRvP:ZvigfIQWEetY2ZdnfSvP

    • 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