General

  • Target

    f5d5667f6ef033c7e8300cfb070497ba.exe

  • Size

    4.1MB

  • Sample

    240406-rk413scb4y

  • MD5

    f5d5667f6ef033c7e8300cfb070497ba

  • SHA1

    944baa1ac91481c62fd8af41fc13dca21fc6bed1

  • SHA256

    d245ae1b7923630a25efbe794b4f6837adc54e3024b0c87ec8355c5fa7b51b9a

  • SHA512

    75f3f94d16beb12c73871f5c0996e714be64cef29a1fd3b94598b84ab8d9a1781e89719bfcd1958197bf41e9c06294f99b64de3137dd3a3ea0a024b3df54f409

  • SSDEEP

    98304:CcRb7p+0f+iq2x1mEX7xw95Au6ErBhlsDKFDVuLaQxF:fbN+004HwHAfETuDsDQLaQz

Malware Config

Extracted

Family

socks5systemz

C2

http://aysjstd.ru/search/?q=67e28dd83958f721120bac1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f471ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a658afe12c0eb95

http://aysjstd.ru/search/?q=67e28dd83958f721120bac1a7c27d78406abdd88be4b12eab517aa5c96bd86e892844a805a8bbc896c58e713bc90c91a36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c2eb94993bc96f

http://bddsubx.com/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd15c1ec95993a

Targets

    • Target

      f5d5667f6ef033c7e8300cfb070497ba.exe

    • Size

      4.1MB

    • MD5

      f5d5667f6ef033c7e8300cfb070497ba

    • SHA1

      944baa1ac91481c62fd8af41fc13dca21fc6bed1

    • SHA256

      d245ae1b7923630a25efbe794b4f6837adc54e3024b0c87ec8355c5fa7b51b9a

    • SHA512

      75f3f94d16beb12c73871f5c0996e714be64cef29a1fd3b94598b84ab8d9a1781e89719bfcd1958197bf41e9c06294f99b64de3137dd3a3ea0a024b3df54f409

    • SSDEEP

      98304:CcRb7p+0f+iq2x1mEX7xw95Au6ErBhlsDKFDVuLaQxF:fbN+004HwHAfETuDsDQLaQz

    • 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