General

  • Target

    a2fc29e11de24fb1347554e03aa1dbc0a4676e3ae8802afa0ae76c5094fe626b.exe

  • Size

    4.1MB

  • Sample

    250318-2rvfbssrx8

  • MD5

    e121298a3f3e2bc3f8c921396cbaac54

  • SHA1

    1289acbe827d05aa9a10e9cabbed698ebe06b268

  • SHA256

    a2fc29e11de24fb1347554e03aa1dbc0a4676e3ae8802afa0ae76c5094fe626b

  • SHA512

    75e21e929e17c1ba8eebb5c4cefdf4fe76b7d9de9d940a50e7f6fa5f36a8d5b8b2cc8dcc3aff10f7aa48bc2618ccc940fe87ade45dc1fb5ff8955aa3ea3b6cdf

  • SSDEEP

    98304:CaU7kJv7x9tTw2fp+6wUMVl2ieC3tQlDGgc/832kXQxU:C7WvPd3fp+6wHFQDciQ+

Malware Config

Extracted

Family

socks5systemz

C2

dltvbud.info

http://dltvbud.info/search/?q=67e28dd8685cf679160da41e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658dfc19c2eb95

cclndtu.net

http://cclndtu.net/search/?q=67e28dd83e5aa079125baa1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd12c3e797993a

Targets

    • Target

      a2fc29e11de24fb1347554e03aa1dbc0a4676e3ae8802afa0ae76c5094fe626b.exe

    • Size

      4.1MB

    • MD5

      e121298a3f3e2bc3f8c921396cbaac54

    • SHA1

      1289acbe827d05aa9a10e9cabbed698ebe06b268

    • SHA256

      a2fc29e11de24fb1347554e03aa1dbc0a4676e3ae8802afa0ae76c5094fe626b

    • SHA512

      75e21e929e17c1ba8eebb5c4cefdf4fe76b7d9de9d940a50e7f6fa5f36a8d5b8b2cc8dcc3aff10f7aa48bc2618ccc940fe87ade45dc1fb5ff8955aa3ea3b6cdf

    • SSDEEP

      98304:CaU7kJv7x9tTw2fp+6wUMVl2ieC3tQlDGgc/832kXQxU:C7WvPd3fp+6wHFQDciQ+

    • 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