General

  • Target

    83e6256dcceb7c773ebf44401a50a1bc8fe98c945247dd282bf20fb9ea74e58e

  • Size

    4.6MB

  • Sample

    240429-fskfvsbf41

  • MD5

    59dec26480bdaa80ab0fd06f17c4e54e

  • SHA1

    9dd9f92f8199395484c859e54d2222bfe9b72806

  • SHA256

    83e6256dcceb7c773ebf44401a50a1bc8fe98c945247dd282bf20fb9ea74e58e

  • SHA512

    bddbd56abfcd4554a994c35d2a564983bf3d2db96d22eb9f8e0e9605d24cfabeb7f71346e5144854a3797a5fb5efce596df2455968bcdaedf86ffb54005921c1

  • SSDEEP

    98304:+cD7HzhA6HHs2/boOtaA98PRi55sSAk09ZNlfeFd1Zs:pLzhAWHs2/CrILnAkcZnaXs

Malware Config

Extracted

Family

socks5systemz

C2

http://bvnjoei.com/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a638df916c3ea96

http://bmidode.com/search/?q=67e28dd86b55f62e435ba9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffb12c6e8969f32

http://bmidode.com/search/?q=67e28dd86b55f62e435ba9187c27d78406abdd88be4b12eab517aa5c96bd86ea928f4b96148ab2865b77f80ebad9c70f7cb63037ed2ab423a4664383ba915d911ec07bb606a0708727e40ea678c456bbe54dfb0e2807e12571c17f3e83fe16c1eb969c3cce6a9f

Targets

    • Target

      83e6256dcceb7c773ebf44401a50a1bc8fe98c945247dd282bf20fb9ea74e58e

    • Size

      4.6MB

    • MD5

      59dec26480bdaa80ab0fd06f17c4e54e

    • SHA1

      9dd9f92f8199395484c859e54d2222bfe9b72806

    • SHA256

      83e6256dcceb7c773ebf44401a50a1bc8fe98c945247dd282bf20fb9ea74e58e

    • SHA512

      bddbd56abfcd4554a994c35d2a564983bf3d2db96d22eb9f8e0e9605d24cfabeb7f71346e5144854a3797a5fb5efce596df2455968bcdaedf86ffb54005921c1

    • SSDEEP

      98304:+cD7HzhA6HHs2/boOtaA98PRi55sSAk09ZNlfeFd1Zs:pLzhAWHs2/CrILnAkcZnaXs

    • 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