Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 11:00

General

  • Target
    2026-08-02_aee474682c7b2937b1fb22192d45ced4_elex_floxif_wannacry.exe
  • Size 686KB
  • Sample260802-m32w8a1epg
  • SHA256 818290ab1c59d4d57ab178d384be2f40cc5ab9a9352d00df1d5f660f27c41545
  • 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) 3 IoCs
  • Manipulates Digital Signatures 1 TTPs 4 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 3 IoCs

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

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

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

  • Modifies trusted root certificate store through registry 1 TTPs 5 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-02_aee474682c7b2937b1fb22192d45ced4_elex_floxif_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_aee474682c7b2937b1fb22192d45ced4_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:3200
    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\dpscat.exe
      "C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\dpscat.exe"
      2⤵
      • Manipulates Digital Signatures
      • Executes dropped EXE
      • Modifies trusted root certificate store through registry
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:5848
    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\dpinst64.exe
      "C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\dpinst64.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:3228

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

        WorldCup_Device.cat

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\WorldCup_Device.cat
        • Size 4KB
        • SHA256 97536d6b20dc6c15c8a66aa240ba7e5be3c9e9e8e764899591533da7f583f031
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WorldCup_Device.inf

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\WorldCup_Device.inf
        • Size 7KB
        • SHA256 7f8f41819c3f4185f1d0510edc1d130abd4d1b34701240a5a42f21794c7b3b03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libusb0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\amd64\libusb0.dll
        • Size 74KB
        • SHA256 4f18b5d2c28aa66b648c8683c6d09b52b92cbbee85984bbefad5f38a64bc2a14
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libusb0.sys

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\amd64\libusb0.sys
        • Size 51KB
        • SHA256 8058f2afe6ef96a7d2ded432997fd8655970c9ea75a938ee4557d6a2cb4cc989
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libusbk.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\amd64\libusbk.dll
        • Size 96KB
        • SHA256 15a476d769a3d67668475284fc35ee6eb840ad332cef800ba8e3bfb35450e17a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dpinst.xml

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\dpinst.xml
        • Size 661B
        • SHA256 127b6d24415b513c1f3b5ffe63af1b395dbf868dafec44c4cbb367d81db9ae0c
        • MD5 SHA1 SHA512 TLSH

        dpinst64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\dpinst64.exe
        • Size 1.0MB
        • SHA256 181bf85d3b5900ff8abed34bc415afc37fc322d9d7702e14d144f96a908f5cab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dpscat.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\dpscat.exe
        • Size 36KB
        • SHA256 7619b1e57ba38fb43adf3b975b5b838ae64bb3896ba94d774e8bbfeb9fe63dce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libusb0_x86.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\x86\libusb0_x86.dll
        • Size 66KB
        • SHA256 00caca07869b19d10b370552ac7cc2f6f2ee246fc15db11650f6cd3f4ef9b666
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libusbk_x86.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx_000\x86\libusbk_x86.dll
        • Size 81KB
        • SHA256 a90e3d6961d1c8afb5bd6d73a5719177a3565215b7ec9b4c535a5f1347853fe9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3200-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3200-71-0x0000000010000000-0x0000000010030000-memory.dmp