General

  • Target

    6a7474c2816a133d9bd91aac037fd5711943a15cccae04f86b62e03abc53426a

  • Size

    2.0MB

  • Sample

    240329-nnlr5age97

  • MD5

    b105b09f5d81ab91aaadd47c1d75fe0c

  • SHA1

    888f5685be3ad1707aa25920b3f4ef6c61644745

  • SHA256

    6a7474c2816a133d9bd91aac037fd5711943a15cccae04f86b62e03abc53426a

  • SHA512

    7cd60db3cd1f6d84ecbac065217c6f78b9b5f1e5abf8203f21881d7d0d9a2f7cb2fde9bddfe2bd113f0377358b0351f2e381201840eaa82d2ce7b5938afaf7df

  • SSDEEP

    49152:32Un/9hBnoiCCx0C3+mHJ9p3MPeE6BNIe0lVT0FTFJroZ:mUn/9h9f+e1m6BNIJ3YpLroZ

Malware Config

Extracted

Family

socks5systemz

C2

http://bfrohjg.com/search/?q=67e28dd8685ff32d4309f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c644db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe16c1ed95993e

http://bmmormz.com/search/?q=67e28dd83f08f2204807f9497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978ff71ea771795af8e05c644db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe16c1ed95993b

Targets

    • Target

      6a7474c2816a133d9bd91aac037fd5711943a15cccae04f86b62e03abc53426a

    • Size

      2.0MB

    • MD5

      b105b09f5d81ab91aaadd47c1d75fe0c

    • SHA1

      888f5685be3ad1707aa25920b3f4ef6c61644745

    • SHA256

      6a7474c2816a133d9bd91aac037fd5711943a15cccae04f86b62e03abc53426a

    • SHA512

      7cd60db3cd1f6d84ecbac065217c6f78b9b5f1e5abf8203f21881d7d0d9a2f7cb2fde9bddfe2bd113f0377358b0351f2e381201840eaa82d2ce7b5938afaf7df

    • SSDEEP

      49152:32Un/9hBnoiCCx0C3+mHJ9p3MPeE6BNIe0lVT0FTFJroZ:mUn/9h9f+e1m6BNIJ3YpLroZ

    • 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