General

  • Target

    NK974589.exe

  • Size

    342KB

  • Sample

    210929-h74t6aead8

  • MD5

    ec30bc66cef63f29080c284fe9f66583

  • SHA1

    8387b00478606de6cfdd1484fe72dae09c1b4758

  • SHA256

    793d3532c805e1e2406fa8d9da0c2dc23dae090a2b7c52ba322abbd864e627a8

  • SHA512

    b0e3487b7c28732355b6dde78fb3ff6a221dc2bafb4b712329c68c6246fb5b0420b69b14790347940d8a955880781cd2460fc710430902196e97d2cdbe129726

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1395392888:AAFrJovDdZICOFB0gX0eGWrAUzEKCRpv8xo/sendMessage?chat_id=1300181783

Targets

    • Target

      NK974589.exe

    • Size

      342KB

    • MD5

      ec30bc66cef63f29080c284fe9f66583

    • SHA1

      8387b00478606de6cfdd1484fe72dae09c1b4758

    • SHA256

      793d3532c805e1e2406fa8d9da0c2dc23dae090a2b7c52ba322abbd864e627a8

    • SHA512

      b0e3487b7c28732355b6dde78fb3ff6a221dc2bafb4b712329c68c6246fb5b0420b69b14790347940d8a955880781cd2460fc710430902196e97d2cdbe129726

    • Matiex

      Matiex is a keylogger and infostealer first seen in July 2020.

    • Matiex Main Payload

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks