Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 14:55

General

  • Target
    2026-08-13_c2f9a2e682ab8168dbcb62f1e5aaa4b9_elex_floxif_wannacry.exe
  • Size 2.2MB
  • Sample260813-sae5msbk3x
  • SHA256 bc53e2995e565f0d35e14da12dce8909b9825aedb79c1d47c4335ceeed13b891
  • 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 3 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-13_c2f9a2e682ab8168dbcb62f1e5aaa4b9_elex_floxif_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-13_c2f9a2e682ab8168dbcb62f1e5aaa4b9_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:4184
    • C:\Users\Admin\AppData\Local\Temp\2026-08-13_c2f9a2e682ab8168dbcb62f1e5aaa4b9_elex_floxif_wannacry.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-13_c2f9a2e682ab8168dbcb62f1e5aaa4b9_elex_floxif_wannacry.exe" -sfxwaitall:0 "ResourceHacker.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ResourceHacker.exe
        "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ResourceHacker.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: AddClipboardFormatListener
        PID:1332

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

        ResourceHacker.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ResourceHacker.exe
        • Size 5.4MB
        • SHA256 ef146067cb9b574a249cd6f8c6f64e06757a3d3d2eb09f9c77555de9b5dc97f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1332-16-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

        memory/1332-25-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

        memory/1332-24-0x0000000000400000-0x0000000000981000-memory.dmp

        memory/3444-13-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3444-21-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4184-3-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4184-19-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4184-28-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4184-32-0x0000000010000000-0x0000000010030000-memory.dmp