Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 00:33

General

  • Target
    2026-09-23_e437e3a53a4b888b15d50c96adbabcbd_elex_floxif_wannacry.exe
  • Size 3.7MB
  • Sample260924-av7fhsxtdv
  • SHA256 397a866fba1ba48f177d20dcce2c469b0529d8422a9e33ceb9a65b0f049129c1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Floxif, Floodfix

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

  • Detects Floxif payload 1 IoCs
  • UPX dump on OEP (original entry point) 12 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    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 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 8 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • UPX packed file 12 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-23_e437e3a53a4b888b15d50c96adbabcbd_elex_floxif_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-23_e437e3a53a4b888b15d50c96adbabcbd_elex_floxif_wannacry.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Users\Admin\AppData\Local\Temp\2026-09-23_e437e3a53a4b888b15d50c96adbabcbd_elex_floxif_wannacry.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-09-23_e437e3a53a4b888b15d50c96adbabcbd_elex_floxif_wannacry.exe" -sfxwaitall:0 "uTorrent.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5688
      • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\uTorrent.exe
        "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\uTorrent.exe"
        3⤵
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3584
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{E2B3C97F-6AE1-41AC-817A-F6F92166D7DD}
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3120

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP TLSH

        symsrv.dll.000

        • Path C:\Program Files\Common Files\System\symsrv.dll.000
        • Size 114B
        • SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
        • MD5 SHA1 SHA512 TLSH

        flags.conf

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\flags.conf
        • Size 154KB
        • SHA256 b6d0c98ed7728d743019a9f3b1321986adc05c6f11d4be8437f931e1a6a52d72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        main.ico

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\main.ico
        • Size 9KB
        • SHA256 16084d4d50747faa7fd27d255fc10d6694e451cb57643fed369251930e09f618
        • MD5 SHA1 SHA512 SSDEEP TLSH

        settings.dat

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\settings.dat
        • Size 10KB
        • SHA256 06c24a74717ec408eb31bf2093a6464b705e98f1612be94d7190f689a4c2a5d6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        settings.dat

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\settings.dat
        • Size 18KB
        • SHA256 3cf7fb504ba2e75cc171c33b05ba0280cf03723fae386126abd1277225584360
        • MD5 SHA1 SHA512 SSDEEP TLSH

        settings.dat.old

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\settings.dat.old
        • Size 17KB
        • SHA256 12e3d3cad3e96d8342a8967d65443f78d62a5dcac3bbbe73f85b88717ea7ff8d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        uTorrent.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\uTorrent.exe
        • Size 4.5MB
        • SHA256 1f39d582ff6e6ab4af6c377670c9e8c2b1859f0c2484b1cd9c28629c652161dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        uTorrent.exe.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\uTorrent.exe.tmp
        • Size 4.6MB
        • SHA256 2879d329c617ead1d06129e5bbfb1db8f486fb6c2691c521ed61eb219e91b4d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        utorrent.lng

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\utorrent.lng
        • Size 1.3MB
        • SHA256 7b879aa4253676a4d7cb3f5d5dd1af93f8d2756276de72130aec06fe96828ed5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3120-68-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3120-58-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3584-32-0x0000000000400000-0x00000000008C5000-memory.dmp

        memory/3584-36-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3584-73-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4256-71-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4256-88-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4256-66-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4256-3-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4256-77-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/5688-67-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/5688-70-0x0000000002210000-0x0000000002240000-memory.dmp

        memory/5688-69-0x0000000002210000-0x0000000002240000-memory.dmp

        memory/5688-29-0x0000000002210000-0x0000000002240000-memory.dmp

        memory/5688-28-0x0000000002210000-0x0000000002240000-memory.dmp

        memory/5688-27-0x0000000010000000-0x0000000010030000-memory.dmp