General

  • Target

    4b9151a0fcc00b7ebe774bb2489bc530.exe

  • Size

    2.2MB

  • Sample

    240323-rny91abb51

  • MD5

    4b9151a0fcc00b7ebe774bb2489bc530

  • SHA1

    40fa43f01b6bdf5e946bb2088fec786f3d3b708a

  • SHA256

    45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07

  • SHA512

    8ea55f1c06178f87edade8fbbd4031905195fa86a422d5e07c6c06f2cf538f4649691d867b740a0c6b2a178ab39f7dfde1a95108266e3dff74df33361930866d

  • SSDEEP

    49152:321Jclh7yWuOym9ASMvcW63qheRFv2vLsmL2H2H5QihKF/nyGH:m1JkuWukASkncRszZ2H2H5NUVnXH

Malware Config

Extracted

Family

socks5systemz

C2

http://buadasg.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff12c7ec94

http://buadasg.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12eab517aa5c96bd86ee9d8145815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b611e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ed95993cce6e

http://ddufggj.info/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0ec929e3e

Targets

    • Target

      4b9151a0fcc00b7ebe774bb2489bc530.exe

    • Size

      2.2MB

    • MD5

      4b9151a0fcc00b7ebe774bb2489bc530

    • SHA1

      40fa43f01b6bdf5e946bb2088fec786f3d3b708a

    • SHA256

      45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07

    • SHA512

      8ea55f1c06178f87edade8fbbd4031905195fa86a422d5e07c6c06f2cf538f4649691d867b740a0c6b2a178ab39f7dfde1a95108266e3dff74df33361930866d

    • SSDEEP

      49152:321Jclh7yWuOym9ASMvcW63qheRFv2vLsmL2H2H5QihKF/nyGH:m1JkuWukASkncRszZ2H2H5NUVnXH

    • 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