General

  • Target
    b097152c915056f81d69ceba4f124165b942c4b6d6c426aaa273c6d183dde443
  • Size 487KB
  • Sample220415-be1hpsafe6
  • SHA256 b097152c915056f81d69ceba4f124165b942c4b6d6c426aaa273c6d183dde443
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • matiex

C2
  • https://api.telegram.org/bot1428011164:AAFKIFGek20EZJPbNxOt7K2R-Cf-IiVGehs/sendMessage?chat_id=1280541017

Targets

    • Target
      b097152c915056f81d69ceba4f124165b942c4b6d6c426aaa273c6d183dde443
    • Size 487KB
    • SHA256 b097152c915056f81d69ceba4f124165b942c4b6d6c426aaa273c6d183dde443
    • MD5 SHA1 SHA512
    • Matiex

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

    • Matiex Main Payload

    • Meta Stealer Stealer

      Meta Stealer steals passwords stored in browsers, written in C++.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks