General

  • Target

    a43b79c3b052298aab53e2edc4f00d7f9303d9ab3c34e413cab57198800b762d

  • Size

    2.3MB

  • Sample

    240325-tfwj9acd52

  • MD5

    a26989d32a3762f212f6d8ac503e22d3

  • SHA1

    0a645d478f17d2f00583bb48b1d80423be14cd54

  • SHA256

    a43b79c3b052298aab53e2edc4f00d7f9303d9ab3c34e413cab57198800b762d

  • SHA512

    4161963c9e3b4bce43e0d6c96aa0f00d4fdd42da243866238e2287fecade01d858a7809e105ec88000a928693991c1f73920dbe7f79d6410e419ebea46ae4e92

  • SSDEEP

    49152:32T8AU81CJBpYD2BMVJRhjFxgUyWXylliTJmS3SPoJPntJ9Wl0H0ra:mJX2BiiIJRhB7yXiTJvSPo3Wlvra

Malware Config

Extracted

Family

socks5systemz

C2

http://buvfooe.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c8ed909a3b

http://buvfooe.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12eab517aa5c96bd86ee90864a845a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949933cf6a9616

http://cstocnz.net/search/?q=67e28dd83e58f128495cab1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a471ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe12c8ed919332

http://cstocnz.net/search/?q=67e28dd83e58f128495cab1c7c27d78406abdd88be4b12eab517aa5c96bd86ec928044855a8bbc896c58e713bc90c91936b5281fc235a925ed3e07d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949933cf6b9f1f

Targets

    • Target

      a43b79c3b052298aab53e2edc4f00d7f9303d9ab3c34e413cab57198800b762d

    • Size

      2.3MB

    • MD5

      a26989d32a3762f212f6d8ac503e22d3

    • SHA1

      0a645d478f17d2f00583bb48b1d80423be14cd54

    • SHA256

      a43b79c3b052298aab53e2edc4f00d7f9303d9ab3c34e413cab57198800b762d

    • SHA512

      4161963c9e3b4bce43e0d6c96aa0f00d4fdd42da243866238e2287fecade01d858a7809e105ec88000a928693991c1f73920dbe7f79d6410e419ebea46ae4e92

    • SSDEEP

      49152:32T8AU81CJBpYD2BMVJRhjFxgUyWXylliTJmS3SPoJPntJ9Wl0H0ra:mJX2BiiIJRhB7yXiTJvSPo3Wlvra

    • 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