General

  • Target

    390fb138f1c89f85d558e5bef92275b2aeda2211d9ce8f6f2bbd009ddcacf345

  • Size

    4.6MB

  • Sample

    240624-fxx8hs1flq

  • MD5

    ca39bd40beb013b70bc8e68bc13b6b88

  • SHA1

    d6116b23d974ed79b431cb559dde21c2da6197f2

  • SHA256

    390fb138f1c89f85d558e5bef92275b2aeda2211d9ce8f6f2bbd009ddcacf345

  • SHA512

    41c845164b2cb2588e56932819d38ea840e1f1ae85af79ebef8e32871660cc6c731db346c12dde73b0c785fc7b62b4aabef5e75c1c5d594b96d8e943c14fd139

  • SSDEEP

    98304:m7ZxpbjUAnvXnZxuhvi99WEFsNe2o4HZ8UJ:0ZxpL/ZwhvMy2KZ8UJ

Malware Config

Extracted

Family

socks5systemz

C2

bbdyfer.com

http://bbdyfer.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e8cff17c2ee95

http://bbdyfer.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12eab517aa5c96bd86ec90844d825a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c9ed959c39cc6f

bukeyjk.com

http://bukeyjk.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff613c0e9979a3c

Targets

    • Target

      390fb138f1c89f85d558e5bef92275b2aeda2211d9ce8f6f2bbd009ddcacf345

    • Size

      4.6MB

    • MD5

      ca39bd40beb013b70bc8e68bc13b6b88

    • SHA1

      d6116b23d974ed79b431cb559dde21c2da6197f2

    • SHA256

      390fb138f1c89f85d558e5bef92275b2aeda2211d9ce8f6f2bbd009ddcacf345

    • SHA512

      41c845164b2cb2588e56932819d38ea840e1f1ae85af79ebef8e32871660cc6c731db346c12dde73b0c785fc7b62b4aabef5e75c1c5d594b96d8e943c14fd139

    • SSDEEP

      98304:m7ZxpbjUAnvXnZxuhvi99WEFsNe2o4HZ8UJ:0ZxpL/ZwhvMy2KZ8UJ

    • 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