Overview

overview

10

Static

static

5

2026-10-22...op.exe

windows10-2004-x64

10

2026-10-22...op.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-10-22_858f43cd2b5f7c0ad4c4de2a5260512d_elex_floxif_stop
  • Size 4.7MB
  • Sample261024-gxddsags5w
  • SHA256 0b768ce4ed1f160f77ae4ba4ffe2996c729109b2026d6ae917516c77ca8b473a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
floxifbackdoorbootkitdiscoverypersistencetrojanupx

Malware Config

Targets

    • Target
      2026-10-22_858f43cd2b5f7c0ad4c4de2a5260512d_elex_floxif_stop
    • Size 4.7MB
    • SHA256 0b768ce4ed1f160f77ae4ba4ffe2996c729109b2026d6ae917516c77ca8b473a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorbootkitdiscoveryfloxifpersistencetrojanupx

    • Family: Floxif, Floodfix

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

      backdoortrojanfloxif

    • Detects Floxif payload

      backdoor

    • UPX dump on OEP (original entry point)

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Maps connected drives based on registry

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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks