General

  • Target

    2f54f197e70f40de96a2be48757f9e136aea5d9bd388161f805cef57a51bd58d

  • Size

    4.5MB

  • Sample

    240220-s2tr4sag3z

  • MD5

    d3f837209d88f951d58f89320e087a95

  • SHA1

    dd375fe18bbfc217728bca757be978f4e23e3112

  • SHA256

    2f54f197e70f40de96a2be48757f9e136aea5d9bd388161f805cef57a51bd58d

  • SHA512

    24717e0b6435b2d8befead99df2483d75d1f1adae2c7915364d4e5a3f2bbc3bb9d1df9d18fe0233ab58cdbd60d2c88767800ddfa72356ac6cc08b2319a80a13e

  • SSDEEP

    98304:InX3/YiWTVeEBbeCMYcwqHie4munwOzL6iD:wH/YiWTVTbKilpwOzL6U

Malware Config

Extracted

Family

socks5systemz

C2

http://bvressj.com/search/?q=67e28dd83f0bf1291606a9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c646db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923b6f8afb12c5ed9c

http://bdmbtah.com/search/?q=67e28dd83a5ba47d1409fa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978a471ea771795af8e05c646db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef715c4ec909833

Targets

    • Target

      2f54f197e70f40de96a2be48757f9e136aea5d9bd388161f805cef57a51bd58d

    • Size

      4.5MB

    • MD5

      d3f837209d88f951d58f89320e087a95

    • SHA1

      dd375fe18bbfc217728bca757be978f4e23e3112

    • SHA256

      2f54f197e70f40de96a2be48757f9e136aea5d9bd388161f805cef57a51bd58d

    • SHA512

      24717e0b6435b2d8befead99df2483d75d1f1adae2c7915364d4e5a3f2bbc3bb9d1df9d18fe0233ab58cdbd60d2c88767800ddfa72356ac6cc08b2319a80a13e

    • SSDEEP

      98304:InX3/YiWTVeEBbeCMYcwqHie4munwOzL6iD:wH/YiWTVTbKilpwOzL6U

    • 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