General

  • Target

    5ea4396fb3682a79e2c9914183e8fe976f6cc839c722b83896b4a643c256acb2

  • Size

    5.1MB

  • Sample

    240624-f3e9wsybka

  • MD5

    4e6d95d731a2d3aa62ddb75fda7a437e

  • SHA1

    9d1b7da5e52bc030663749e8ea852d6c2d9003af

  • SHA256

    5ea4396fb3682a79e2c9914183e8fe976f6cc839c722b83896b4a643c256acb2

  • SHA512

    537a0e86a67f8570cf4676702619f420a4c9183472fd026bf82c4ed00840868d5491bff0437440994e47732bc4139c70cbb6bd3f93f69de6beb114575bbc062c

  • SSDEEP

    98304:mfs8j0ZJOs25lJCi3aUbgLNpXW1Ke/sQ2Pas7WsPiTi5HcNVaW/9XN+yOjQ+ll:Z6z5jMJpXW1fJsKYdJcb/9O/ll

Malware Config

Extracted

Family

socks5systemz

C2

cstoemq.net

http://cstoemq.net/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e8cff17c6e791

bgbwcor.com

http://bgbwcor.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff613c0e993923b

http://bgbwcor.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12eab517aa5c96bd86e8928e4496148ab2865b77f80ebad9c50f7cb63037ed2ab423a4624383ba915d911ec07bb606a0708727e40ea678c456bbe54dfb0e2807e12571c17f3e83fe16c1e6979a3dcb6796

Targets

    • Target

      5ea4396fb3682a79e2c9914183e8fe976f6cc839c722b83896b4a643c256acb2

    • Size

      5.1MB

    • MD5

      4e6d95d731a2d3aa62ddb75fda7a437e

    • SHA1

      9d1b7da5e52bc030663749e8ea852d6c2d9003af

    • SHA256

      5ea4396fb3682a79e2c9914183e8fe976f6cc839c722b83896b4a643c256acb2

    • SHA512

      537a0e86a67f8570cf4676702619f420a4c9183472fd026bf82c4ed00840868d5491bff0437440994e47732bc4139c70cbb6bd3f93f69de6beb114575bbc062c

    • SSDEEP

      98304:mfs8j0ZJOs25lJCi3aUbgLNpXW1Ke/sQ2Pas7WsPiTi5HcNVaW/9XN+yOjQ+ll:Z6z5jMJpXW1fJsKYdJcb/9O/ll

    • 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