General

  • Target
    Installer__Pass_1234.rar
  • Size 6.0MB
  • Sample220620-p78xfafee4
  • SHA256 6dfd5a3c0b4ee1678a45998424308b1e606809a28970ae17d14f36a3277e7a93
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • recordbreaker

C2
  • http://193.43.146.26/

  • http://45.133.216.170/

Targets

    • Target
      Setup.exe
    • Size 387.1MB
    • SHA256 5121fc3ddf49c3b5297a35386ff5847dc665401a2fa7b97d62628f4a00262092
    • MD5 SHA1 SHA512
    • RecordBreaker

      RecordBreaker is an information stealer capable of downloading and executing secondary payloads written in C++.

    • suricata: ET MALWARE Generic .bin download from Dotted Quad

      suricata: ET MALWARE Generic .bin download from Dotted Quad

    • suricata: ET MALWARE Generic Stealer Config Download Request

      suricata: ET MALWARE Generic Stealer Config Download Request

    • suricata: ET MALWARE Recordbreaker Stealer CnC Checkin

      suricata: ET MALWARE Recordbreaker Stealer CnC Checkin

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks