Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 01:56

General

  • Target
    2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe
  • Size 317KB
  • Sample260817-cctstaha47
  • SHA256 972877dbedd30f571e0ca55bf85a0332dd0b086e5259a11780f131c471971bd4
  • 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) 7 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 7 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_afa9a43f31d0619315b311cf49337c08_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:1500
    • C:\Users\Admin\AppData\Local\Temp\2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe" -sfxwaitall:0 "WindowexeRegToBat.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4136
      • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\WindowexeRegToBat.exe
        "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\WindowexeRegToBat.exe"
        3⤵
        • Executes dropped EXE
        PID:5072

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        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

        WindowexeRegToBat.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\WindowexeRegToBat.exe
        • Size 265KB
        • SHA256 995c7c9ac08c5c5a4b566051f3c244daf1442e1f811a42ed1ed7352a04f3e753
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1500-44-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1500-40-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1500-3-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1500-33-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4136-34-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4136-11-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/5072-17-0x000000001B9D0000-0x000000001BE9E000-memory.dmp

        memory/5072-29-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-21-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-20-0x00000000026A0000-0x00000000026A8000-memory.dmp

        memory/5072-23-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-24-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-25-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-26-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-27-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-22-0x000000001C1C0000-0x000000001C20C000-memory.dmp

        memory/5072-30-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-31-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-19-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-18-0x000000001BF60000-0x000000001BFFC000-memory.dmp

        memory/5072-36-0x00007FF85495A000-0x00007FF85495B000-memory.dmp

        memory/5072-37-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-38-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-16-0x00007FF854660000-0x00007FF855098000-memory.dmp

        memory/5072-15-0x000000001B3B0000-0x000000001B456000-memory.dmp

        memory/5072-14-0x00007FF85495A000-0x00007FF85495B000-memory.dmp