General

  • Target
    2026-06-02_1df9122f5fb4fface6604191957cd649_elex_floxif_hijackloader_wannacry
  • Size 10.4MB
  • Sample260602-sa2zeags7v
  • SHA256 5f239dc642ba6e375edb7e44ceea983f17f753ee202e0ab283ccd2b456aa3146
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-06-02_1df9122f5fb4fface6604191957cd649_elex_floxif_hijackloader_wannacry
    • Size 10.4MB
    • SHA256 5f239dc642ba6e375edb7e44ceea983f17f753ee202e0ab283ccd2b456aa3146
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Floxif, Floodfix

      Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

    • Detects Floxif payload

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

    • UPX dump on OEP (original entry point)

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks