General

  • Target

    821c9a378c2b54ee9f162cf6441bae5a60759079297eca250981cb54f82ce7c2.exe

  • Size

    4.9MB

  • Sample

    250318-f737hsymy8

  • MD5

    51ea0eae085f7c3a367668d1f2b8a211

  • SHA1

    7a8358a07934f98476b460cd247aba76984f110f

  • SHA256

    821c9a378c2b54ee9f162cf6441bae5a60759079297eca250981cb54f82ce7c2

  • SHA512

    c047d325a114e3eabca7abb4a2b914dac74a4517c9d2f3b24ee10db0c011e42fdf62ae793e4441275eba9bbd569dc368cff20b50b7ff6e97ae6be18bd7f88cb2

  • SSDEEP

    98304:+vpeuT+kIh/dCl3DU/XWNXQHVUCdwLWNOG77v+XwREOb2yLT3d1ZW6:KptI/dKiXQXaUTGzEOb/TNXW6

Malware Config

Extracted

Family

socks5systemz

C2

csjocmb.net

http://csjocmb.net/search/?q=67e28dd8685cf679160da41e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf814c9e794

buhnlmd.com

http://buhnlmd.com/search/?q=67e28dd83a09f729130ead4a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd13c7ea9c9c33

Targets

    • Target

      821c9a378c2b54ee9f162cf6441bae5a60759079297eca250981cb54f82ce7c2.exe

    • Size

      4.9MB

    • MD5

      51ea0eae085f7c3a367668d1f2b8a211

    • SHA1

      7a8358a07934f98476b460cd247aba76984f110f

    • SHA256

      821c9a378c2b54ee9f162cf6441bae5a60759079297eca250981cb54f82ce7c2

    • SHA512

      c047d325a114e3eabca7abb4a2b914dac74a4517c9d2f3b24ee10db0c011e42fdf62ae793e4441275eba9bbd569dc368cff20b50b7ff6e97ae6be18bd7f88cb2

    • SSDEEP

      98304:+vpeuT+kIh/dCl3DU/XWNXQHVUCdwLWNOG77v+XwREOb2yLT3d1ZW6:KptI/dKiXQXaUTGzEOb/TNXW6

    • 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