General

  • Target

    49fe4735e75193274cde5a90dca8d507.bin

  • Size

    2.2MB

  • Sample

    240325-b4j71sce69

  • MD5

    72ec7d05c82c0bf81d049a22fa81c4e3

  • SHA1

    17b3716bfa4fbc0d3e2d6ddfe852f9cca9afedc0

  • SHA256

    dbaf83249190a5873f4614af9457875f87bb1f9d0611bb775bf3a6ffa337629b

  • SHA512

    0fb016403287ccc0525d41e6527f687ad84f8a01c52be9d7a011f9126c6e324e46bdf1ca54612ff9048c69694b3589220264351f98bba7dfe2a351ccad3be4ff

  • SSDEEP

    49152:t/zc3WbUL9Lksx3L/XMOVGPXndTbWfwrYKpdJqIRbhAIcRS+Wx:m3Wyi0CXBcKHHbqjQ+g

Malware Config

Extracted

Family

socks5systemz

C2

http://bfwqbdi.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c646db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc11c9e89c

http://bfgrmey.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c646db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ef9c9d3c

Targets

    • Target

      76836cbb9920f7b6f427b5dfce569df588b2344e85c4c2e7b55c791451b6b6a1.exe

    • Size

      2.2MB

    • MD5

      49fe4735e75193274cde5a90dca8d507

    • SHA1

      4e8a3bb2b436e7e638795f5a1616bedae717ac84

    • SHA256

      76836cbb9920f7b6f427b5dfce569df588b2344e85c4c2e7b55c791451b6b6a1

    • SHA512

      68cf27357218af330befadeb22c6b97d2020e5a49a66a9e6c80c3615cefba15478195d99657e22ea835cf083914dad3bf23664f9126f2b0139222dbe7f901a37

    • SSDEEP

      49152:32EhCr4Pj565Uc1zixnsx0UbwXAkcHeKf/+lAyJqM:mEl6CnxyF2A3Hei+l1JqM

    • 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