General

  • Target

    27d91f32a76d080bcf4a91df410694f0c9d092ecc73a80f38bc369408a4a12fa

  • Size

    1.8MB

  • Sample

    240328-r3n3ksgg2w

  • MD5

    6441dd056470d18a5b774d7a675a14aa

  • SHA1

    b9aae84d7e940042f22fd6d28a265297ef6f2201

  • SHA256

    27d91f32a76d080bcf4a91df410694f0c9d092ecc73a80f38bc369408a4a12fa

  • SHA512

    a90a425e74edfe8210e7d05e0ce4da41fcfd39f6b268b74c772601ded10994ff5d2fea25a978147868102d50bfb58873156dad1b4c2c1b69a5fc030847b2598f

  • SSDEEP

    24576:320B2HN9AgS1v8Sb/CHJxn/tCWyzis6jSzAgtFpip1F/+SUQMmBqKmxsIt6dz5/N:325HN9Jau/13z/1IjmOZt6dF/VU1OOU

Malware Config

Extracted

Family

socks5systemz

C2

http://bnaumee.com/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe17c3e8959c3d

http://bnaumee.com/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12eab517aa5c96bd86ef91854d845a8bbc896c58e713bc90c91d36b5281fc235a925ed3e53d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949c38ca6f9010

http://bvwvyue.com/search/?q=67e28dd83a0ba47b435ca84a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1ee8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe17c3e8959c33

Targets

    • Target

      27d91f32a76d080bcf4a91df410694f0c9d092ecc73a80f38bc369408a4a12fa

    • Size

      1.8MB

    • MD5

      6441dd056470d18a5b774d7a675a14aa

    • SHA1

      b9aae84d7e940042f22fd6d28a265297ef6f2201

    • SHA256

      27d91f32a76d080bcf4a91df410694f0c9d092ecc73a80f38bc369408a4a12fa

    • SHA512

      a90a425e74edfe8210e7d05e0ce4da41fcfd39f6b268b74c772601ded10994ff5d2fea25a978147868102d50bfb58873156dad1b4c2c1b69a5fc030847b2598f

    • SSDEEP

      24576:320B2HN9AgS1v8Sb/CHJxn/tCWyzis6jSzAgtFpip1F/+SUQMmBqKmxsIt6dz5/N:325HN9Jau/13z/1IjmOZt6dF/VU1OOU

    • 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