General

  • Target
    Ronix-Installer.exe
  • Size 5.4MB
  • Sample260728-ymr8mabe84
  • SHA256 e8e7e6ed24bd6932c402828334cdb17d08eb4ce9b2afc30b49b73e93cdf38634
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Ronix-Installer.exe
    • Size 5.4MB
    • SHA256 e8e7e6ed24bd6932c402828334cdb17d08eb4ce9b2afc30b49b73e93cdf38634
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    • Network Share Discovery

      Attempt to gather information on host network.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks