Overview

overview

10

Static

static

3

2026-09-30...ry.exe

windows10-2004-x64

10

2026-09-30...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 06:19

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General

  • Target
    2026-09-30_c7238706b922c0ed0a1ac54ecbb37a5e_elex_floxif_wannacry.exe
  • Size 34.4MB
  • Sample261001-g3d79szerb
  • SHA256 de89afd2c0123ba19c1a1a0bfe43b0794493d2803e37714d154214ae65bc003d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordefense_evasiondiscoveryexecutionfloxiftrojanupx

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) 4 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • System Binary Proxy Execution: Rundll32 1 TTPs 1 IoCs

    Abuse Rundll32 to proxy execution of malicious code.

    defense_evasion
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • 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 4 IoCs

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

    upx
  • Drops file in Program Files directory 31 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 5 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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 1 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-30_c7238706b922c0ed0a1ac54ecbb37a5e_elex_floxif_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_c7238706b922c0ed0a1ac54ecbb37a5e_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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c Echo PathInst="C:\Program Files (x86)\3Planesoft\Alpine Valley 3D Screensaver">>alpvalley.inf
      2⤵
      • Drops file in Program Files directory
      • Executes a command shell one-liner
      PID:3220
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c Move Alpine_Valley_3D_Screensaver.scr C:\Windows\SysWOW64
      2⤵
      • Executes a command shell one-liner
      PID:5108
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c Move alpvalley.inf C:\Windows\INF
      2⤵
      • Executes a command shell one-liner
      PID:828
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg delete "HKLM\SOFTWARE\3Planesoft\Alpine Valley 3D Screensaver" /f
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1188
      • C:\Windows\system32\reg.exe
        reg delete "HKLM\SOFTWARE\3Planesoft\Alpine Valley 3D Screensaver" /f
        3⤵
          PID:1196
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Classes\VirtualStore\MACHINE\SOFTWARE\3Planesoft\Alpine Valley 3D Screensaver" /f
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5640
        • C:\Windows\system32\reg.exe
          reg delete "HKCU\SOFTWARE\Classes\VirtualStore\MACHINE\SOFTWARE\3Planesoft\Alpine Valley 3D Screensaver" /f
          3⤵
            PID:4400
        • C:\Windows\System32\reg.exe
          "C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\3Planesoft\Alpine Valley 3D Screensaver" /V AppPath /T REG_SZ /D "C:\Program Files (x86)\3Planesoft\Alpine Valley 3D Screensaver" /f
          2⤵
            PID:1908
          • C:\Windows\System32\reg.exe
            "C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\3Planesoft\Alpine Valley 3D Screensaver" /V Language /T REG_SZ /D "3: ru" /f
            2⤵
              PID:4628
            • C:\Windows\System32\reg.exe
              "C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\3Planesoft\Alpine Valley 3D Screensaver" /V RegName /T REG_SZ /D "3: 3Planesoft" /f
              2⤵
                PID:1280
              • C:\Windows\System32\reg.exe
                "C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\3Planesoft\Alpine Valley 3D Screensaver" /V SerNum /T REG_SZ /D "3: 7777-7777-7777" /f
                2⤵
                  PID:4512
                • C:\Windows\System32\reg.exe
                  "C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Alpine Valley 3D Screensaver" /V DisplayIcon /T REG_SZ /D "C:\Program Files (x86)\3Planesoft\Alpine Valley 3D Screensaver\Alpine Valley 3D Screensaver.exe" /f
                  2⤵
                    PID:2392
                  • C:\Windows\System32\rundll32.exe
                    "C:\Windows\System32\rundll32.exe" advpack,LaunchINFSection alpvalley.inf,DefaultInstall_x64,0
                    2⤵
                    • System Binary Proxy Execution: Rundll32
                    PID:5892

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      Alpine_Valley_3D_Screensaver.scr
                      • Path C:\Program Files (x86)\3Planesoft\Alpine Valley 3D Screensaver\Alpine_Valley_3D_Screensaver.scr
                      • Size 5.6MB
                      • SHA256 f94713b94760270f71606217708b49f33a08ff021c37d1b9fcac8451c3551906
                      • MD5 SHA1 SHA512 SSDEEP TLSH
                      Submit Download

                      alpvalley.inf
                      • Path C:\Program Files (x86)\3Planesoft\Alpine Valley 3D Screensaver\alpvalley.inf
                      • Size 3KB
                      • SHA256 ba4ea55a6d78499ed4eabe7a7077b8264a0b18fb11617755cc9e65246aecc2c4
                      • MD5 SHA1 SHA512 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

                      memory/2744-4-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download

                      memory/2744-22-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download

                      memory/2744-56-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download