General

  • Target

    f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a

  • Size

    4.8MB

  • Sample

    240620-3thd8asgjd

  • MD5

    abdb165243c40316d3d229de15b88d42

  • SHA1

    9491f350213b843dfd4287eba4deca1db91c7e60

  • SHA256

    f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a

  • SHA512

    d5d9298b358cf89379b0f1520de10fc3ff4f4c0a48ab3056b937f273700fff1488d82f6b4c3b2b2abdcaeed432f8075e6b67f924d82fc7346339220280fa19ed

  • SSDEEP

    98304:mHdONqLtOwBwcKw3T8Xz4153vdwq5hkcCJVZ17tqdHaaRbXsk:oiB8KwDc4P31w9cixJqd6ad8k

Malware Config

Extracted

Family

socks5systemz

C2

bokrekj.com

http://bokrekj.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd16c3ea9c

bgpkicy.com

http://bgpkicy.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2e8969f3c

Targets

    • Target

      f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a

    • Size

      4.8MB

    • MD5

      abdb165243c40316d3d229de15b88d42

    • SHA1

      9491f350213b843dfd4287eba4deca1db91c7e60

    • SHA256

      f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a

    • SHA512

      d5d9298b358cf89379b0f1520de10fc3ff4f4c0a48ab3056b937f273700fff1488d82f6b4c3b2b2abdcaeed432f8075e6b67f924d82fc7346339220280fa19ed

    • SSDEEP

      98304:mHdONqLtOwBwcKw3T8Xz4153vdwq5hkcCJVZ17tqdHaaRbXsk:oiB8KwDc4P31w9cixJqd6ad8k

    • 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