Overview

overview

10

Static

static

3

2026-10-19...ry.exe

windows10-2004-x64

10

2026-10-19...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 11:08

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General

  • Target
    2026-10-19_a57c7cb286d70f9d6ecccf12679cb269_elex_floxif_hacktools_wannacry.exe
  • Size 860KB
  • Sample261020-m8rcnsbb76
  • SHA256 120841a4ff0031aebdab9fcf998fd8a4349f63e3ab385de1f9896b55ad206e98
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorbootkitdefense_evasiondiscoveryfloxifpersistenceprivilege_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
  • UPX dump on OEP (original entry point) 9 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

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

    Detects file using ACProtect software.

  • Loads dropped DLL 7 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in System32 directory 4 IoCs
  • UPX packed file 9 IoCs

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

    upx
  • Drops file in Program Files directory 2 IoCs
  • Direct Volume Access: Opens a physical disk for reading 1 TTPs 33 IoCs

    Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

    defense_evasion
  • 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 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 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-19_a57c7cb286d70f9d6ecccf12679cb269_elex_floxif_hacktools_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_a57c7cb286d70f9d6ecccf12679cb269_elex_floxif_hacktools_wannacry.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Direct Volume Access: Opens a physical disk for reading
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3412
  • C:\Users\Admin\AppData\Local\Temp\2026-10-19_a57c7cb286d70f9d6ecccf12679cb269_elex_floxif_hacktools_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_a57c7cb286d70f9d6ecccf12679cb269_elex_floxif_hacktools_wannacry.exe" -service -lunch
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\2026-10-19_a57c7cb286d70f9d6ecccf12679cb269_elex_floxif_hacktools_wannacry.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-10-19_a57c7cb286d70f9d6ecccf12679cb269_elex_floxif_hacktools_wannacry.exe"
      2⤵
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Direct Volume Access: Opens a physical disk for reading
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        symsrv.dll.000
        • Path C:\PROGRA~1\COMMON~1\System\symsrv.dll.000
        • Size 114B
        • SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
        • 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

        settings3.bin
        • Path C:\Users\Admin\AppData\Local\Temp\settings3.bin
        • Size 449B
        • SHA256 2c89ba4c9eda95338704ea79ca71169f42a12d82dc9cf61e1abe226ec1e8bd3a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        A7621088634.tmp
        • Path C:\Windows\Temp\A1D26E2\A7621088634.tmp
        • Size 784KB
        • SHA256 a70d2d8017f31c1679eac0588ebac8ea9986b23c089f07f8eede424aa2fc613d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1588-11-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1588-15-0x0000000001010000-0x0000000001040000-memory.dmp
        Download

        memory/1588-14-0x0000000001010000-0x0000000001040000-memory.dmp
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        memory/1588-20-0x0000000010000000-0x0000000010030000-memory.dmp
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        memory/1656-36-0x00000000021E0000-0x0000000002210000-memory.dmp
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        memory/1656-25-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1656-35-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1656-27-0x00000000021E0000-0x0000000002210000-memory.dmp
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        memory/1656-41-0x0000000010000000-0x0000000010030000-memory.dmp
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        memory/1656-45-0x0000000010000000-0x0000000010030000-memory.dmp
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        memory/3412-26-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3412-3-0x0000000010000000-0x0000000010030000-memory.dmp
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