Overview

overview

10

Static

static

3

2026-08-09...ry.exe

windows10-2004-x64

10

2026-08-09...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 05:33

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General

  • Target
    2026-08-09_4b5a0555267263543ad9cfb70194b9db_elex_floxif_mimic_wannacry.exe
  • Size 1.1MB
  • Sample260809-f892fsgh73
  • SHA256 3f5b31ed9821ed9c16440011bc4818a0c3efed3cc8650597b6c8d722b5abc10f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordefense_evasiondiscoveryfloxiftrojanupx

Malware Config

Signatures

  • Family: Floxif, Floodfix

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

    backdoortrojanfloxif
  • Detects Floxif payload 1 IoCs
    backdoor
  • UPX dump on OEP (original entry point) 10 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
    defense_evasion
  • UPX packed file 10 IoCs

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

    upx
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_4b5a0555267263543ad9cfb70194b9db_elex_floxif_mimic_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_4b5a0555267263543ad9cfb70194b9db_elex_floxif_mimic_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:3980
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000"
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:4580
      • C:\Windows\system32\attrib.exe
        attrib +h "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000"
        3⤵
        • Views/modifies file attributes
        PID:3968
    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FSCapture.exe
      "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FSCapture.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5736

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
        Submit Download

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

        FSCapture.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FSCapture.exe
        • Size 985KB
        • SHA256 346540d766bf210f072ddf15f079213bfe4f7e4d3b3cb92312068d11c8d32b13
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        FSCapture.exe.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FSCapture.exe.tmp
        • Size 1.0MB
        • SHA256 4f1e020f1608613bc77a6919a79d8cae598f0741485c0460e0c5eac1b36a31cc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        fsc.db
        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\fsc.db
        • Size 2KB
        • SHA256 95f16592096b92df50d2db099abaefdc1cac953c92df7bf76b44844bb95d8797
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/3980-30-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3980-37-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3980-3-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3980-46-0x00000000040E0000-0x0000000004434000-memory.dmp
        Download

        memory/3980-47-0x00000000040E0000-0x0000000004434000-memory.dmp
        Download

        memory/3980-48-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/5736-26-0x0000000000400000-0x0000000000754000-memory.dmp
        Download

        memory/5736-25-0x0000000000753000-0x0000000000754000-memory.dmp
        Download

        memory/5736-31-0x0000000000400000-0x0000000000754000-memory.dmp
        Download

        memory/5736-24-0x0000000000400000-0x0000000000754000-memory.dmp
        Download