General

  • Target

    6b251b357a4ff2ff8fc367c082918f11872bcfc6ba6b69059c0d876de53337a7.exe

  • Size

    4.0MB

  • Sample

    250318-fephnavtg1

  • MD5

    a83fa5bb02751dbfa327f9ab06dca6df

  • SHA1

    f16ae580b52c611b0666f26a27f2027b111ee181

  • SHA256

    6b251b357a4ff2ff8fc367c082918f11872bcfc6ba6b69059c0d876de53337a7

  • SHA512

    4a8e582439deedac82ff5dce0737b55a5d5b4e870a9683a7879c58602777d76fb84a34b3d5c062e71cdfeaccbe1b3fa125e6f803dfb7be1dac0efea70b44f4b6

  • SSDEEP

    98304:CjOPRTI3Nar3fLobbeVfnGkSVqDWmbnsazR/7/qKwPLBzI21xQxE:DNIe3k/eVvGxUDdZ/q1LBMOxQG

Malware Config

Extracted

Family

socks5systemz

C2

csgftkp.net

http://csgftkp.net/search/?q=67e28dd83a5ca421460bad497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf812c3ee96

http://csgftkp.net/search/?q=67e28dd83a5ca421460bad497c27d78406abdd88be4b12eab517aa5c96bd86ef97834c875a8bbc896c58e713bc90c91936b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff815c2ed929938cc6c

bhybzlp.com

http://bhybzlp.com/search/?q=67e28dd86558fa2d4658af497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd13c7ec969b39

http://bhybzlp.com/search/?q=67e28dd86558fa2d4658af497c27d78406abdd88be4b12eab517aa5c96bd86ef908045825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7eb97983cce6c9714

Targets

    • Target

      6b251b357a4ff2ff8fc367c082918f11872bcfc6ba6b69059c0d876de53337a7.exe

    • Size

      4.0MB

    • MD5

      a83fa5bb02751dbfa327f9ab06dca6df

    • SHA1

      f16ae580b52c611b0666f26a27f2027b111ee181

    • SHA256

      6b251b357a4ff2ff8fc367c082918f11872bcfc6ba6b69059c0d876de53337a7

    • SHA512

      4a8e582439deedac82ff5dce0737b55a5d5b4e870a9683a7879c58602777d76fb84a34b3d5c062e71cdfeaccbe1b3fa125e6f803dfb7be1dac0efea70b44f4b6

    • SSDEEP

      98304:CjOPRTI3Nar3fLobbeVfnGkSVqDWmbnsazR/7/qKwPLBzI21xQxE:DNIe3k/eVvGxUDdZ/q1LBMOxQG

    • 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