Overview

overview

10

Static

static

3

2026-11-14...ry.exe

windows10-2004-x64

10

2026-11-14...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/11/2026, 09:06

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General

  • Target
    2026-11-14_aab44aa8795479e08aa089fdc396382a_coinminer_elex_floxif_wannacry.exe
  • Size 3.2MB
  • Sample261115-k288ssbs8y
  • SHA256 f5b427c750e6cd5e2fcb53b9c6cd5df9491c4fbc63362609b7c8eaec0b6f2b27
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordiscoveryfloxifpersistenceprivilege_escalationtrojanupx

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
  • Custom signature
    UPX dump on OEP (original entry point) 7 IoCs
  • Modifies AppInit DLL entries 1 TTPs

    Modifies the AppInit_DLLs registry setting, allowing a specified DLL to be loaded automatically into almost every Windows process across reboots.

    persistenceprivilege_escalation
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 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.

    upx
  • Drops file in Program Files directory 9 IoCs
  • Drops file in Windows directory 24 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-14_aab44aa8795479e08aa089fdc396382a_coinminer_elex_floxif_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-14_aab44aa8795479e08aa089fdc396382a_coinminer_elex_floxif_wannacry.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5864
    • C:\Windows\System32\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\tightvnc\tightvnc_64.msi" /quiet /norestart SET_USEVNCAUTHENTICATION=1 VALUE_OF_USEVNCAUTHENTICATION=0 SET_VIEWONLYPASSWORD=0 SET_USECONTROLAUTHENTICATION=1 VALUE_OF_USECONTROLAUTHENTICATION=0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2664
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 470DA7C79A8321E7EE4135B7E972BC16
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1392
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding E613D32E2371A33423CBAC2384C3E899
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:3580
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F13B94D9049275F1346675B1F7B55A41 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4448
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding A896FE8A75A177A355310C68BC302B68 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:2472
    • C:\Program Files\TightVNC\tvnserver.exe
      "C:\Program Files\TightVNC\tvnserver.exe" -reinstall -silent
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:5812
    • C:\Program Files\TightVNC\tvnserver.exe
      "C:\Program Files\TightVNC\tvnserver.exe" -start
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5956
      • C:\Program Files\TightVNC\tvnserver.exe
        "C:\Program Files\TightVNC\tvnserver.exe" -controlservice -slave
        3⤵
        • Executes dropped EXE
        PID:1792
  • C:\Program Files\TightVNC\tvnserver.exe
    "C:\Program Files\TightVNC\tvnserver.exe" -service
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    PID:720
  • C:\Program Files\TightVNC\tvnserver.exe
    "C:\Program Files\TightVNC\tvnserver.exe" -controlservice -slave
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2560

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e594a22.rbs
        • Path C:\Config.Msi\e594a22.rbs
        • Size 275KB
        • SHA256 03a357b196ff765732340463a459d9982daf4964348de609ee5e4d42d5ee2e82
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

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

        tvnserver.exe
        • Path C:\Program Files\TightVNC\tvnserver.exe
        • Size 1.7MB
        • SHA256 9b1f877060d1f8399462d443d87cd1a7fed777b6ca25fed712d76d3980adf5ac
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tightvnc_64.msi
        • Path C:\Users\Admin\AppData\Local\Temp\tightvnc\tightvnc_64.msi
        • Size 2.4MB
        • SHA256 7e80a38c47a1457a35567f30a7ea515248ca391ae3d9deec48b31868af7315b0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSI4B86.tmp
        • Path C:\Windows\Installer\MSI4B86.tmp
        • Size 211KB
        • SHA256 c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSI4E47.tmp
        • Path C:\Windows\Installer\MSI4E47.tmp
        • Size 154KB
        • SHA256 233f5e43325615710ca1aa580250530e06339def861811073912e8a16b058c69
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSI4EB6.tmp
        • Path C:\Windows\Installer\MSI4EB6.tmp
        • Size 127KB
        • SHA256 5c29b8255ace0cd94c066c528c8ad04f0f45eba12fcf94da7b9ca1b64ad4288b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSI53BC.tmp
        • Path C:\Windows\Installer\MSI53BC.tmp
        • Size 127KB
        • SHA256 4cf2358692062cdd2920d5d1c6ebdb7f9b81b1d2e5c6fba24f1bc4027688185f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1392-122-0x0000000010000000-0x0000000010030000-memory.dmp
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        memory/1392-26-0x0000000010000000-0x0000000010030000-memory.dmp
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        memory/4448-58-0x0000000010000000-0x0000000010030000-memory.dmp
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        memory/4448-124-0x0000000010000000-0x0000000010030000-memory.dmp
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        memory/5864-4-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/5864-127-0x0000000010000000-0x0000000010030000-memory.dmp
        Download