General

  • Target

    587a7d1a4bba6440512fd5e0c1335f8d.bin

  • Size

    2.0MB

  • Sample

    240325-b87twaff51

  • MD5

    048b212d8c221f4dd517869b607d4a2c

  • SHA1

    55c42070c0db66b6c643d2a8e82ff801cef80108

  • SHA256

    5dd273a9c2b4192857a36335a5cfa7c2cf7a9b1c5e5f641d515127a4285e57e7

  • SHA512

    53ac726f7187f6cc480663fdade69d7c88b7687a164bb2ece60a636023b920230780f682f5cbc4386c48bbff2d72be96e80d1388c6e2d97821529afd730da463

  • SSDEEP

    49152:7ugyReUkybPsxcBTqxx5yLFplFc1M6j4uhDn90bwxX7UAuhl:7uVeUkmEeTq/5UplO1MK4uTvUAuP

Malware Config

Extracted

Family

socks5systemz

C2

http://ckhkerb.net/search/?q=67e28dd83958f721120bac1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f471ea771795af8e05c647db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc10c4e892

http://csufduz.net/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c647db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ee919d3c

Targets

    • Target

      24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe

    • Size

      2.0MB

    • MD5

      587a7d1a4bba6440512fd5e0c1335f8d

    • SHA1

      9a51b01a79c54e4c75a84e5adbbb5fc55e0c6306

    • SHA256

      24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c

    • SHA512

      7f2a3e4ce40b49150abf66752e74062d85da8754447b5b6cd23c83d48d2a500c614f58eab4e52d43069c8f0be3ee7c0c9a0a6b972c24ccd05dcfc0c6b7df9107

    • SSDEEP

      49152:32SWtN598t4X2HVLbkidv6DqFG25GpshOwSNmhdFwWHM:mSfrm8vEq2pshFOeM

    • 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