General

  • Target

    d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.exe

  • Size

    4.4MB

  • Sample

    250318-k2ezysyvew

  • MD5

    997fa8b3091257c3187d92e5acc5d949

  • SHA1

    698d8a36bede6f524494b0f02049d2610f589a94

  • SHA256

    d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6

  • SHA512

    2e80c507f9b6f81c287b7d245c0c2bfdfdbf56e0b31fe57f7b59efbb001d5f0eaf80ffaabcebf574ab2de85aa11a50f035845aa44efe1326e144c843b3028ce8

  • SSDEEP

    98304:0+oxIebTQG32c4Rxq2i9HOZj1w8e1CS9MvvY:0+yIebN2cKxqP9HOx1/QGvY

Malware Config

Extracted

Family

socks5systemz

C2

ejwmyyb.ua

bfssnuw.com

http://bfssnuw.com/search/?q=67e28dd8645df12f145cac4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd13c8e79d9a39

http://bfssnuw.com/search/?q=67e28dd8645df12f145cac4c7c27d78406abdd88be4b12eab517aa5c96bd86e8978549885a8bbc896c58e713bc90c91936b5281fc235a925ed3e07d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7eb979833c5679614

Targets

    • Target

      d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.exe

    • Size

      4.4MB

    • MD5

      997fa8b3091257c3187d92e5acc5d949

    • SHA1

      698d8a36bede6f524494b0f02049d2610f589a94

    • SHA256

      d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6

    • SHA512

      2e80c507f9b6f81c287b7d245c0c2bfdfdbf56e0b31fe57f7b59efbb001d5f0eaf80ffaabcebf574ab2de85aa11a50f035845aa44efe1326e144c843b3028ce8

    • SSDEEP

      98304:0+oxIebTQG32c4Rxq2i9HOZj1w8e1CS9MvvY:0+yIebN2cKxqP9HOx1/QGvY

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Socks5systemz family

    • 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