Overview

overview

10

Static

static

3

2026-07-15...op.exe

windows10-2004-x64

10

2026-07-15...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 04:39

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General

  • Target
    2026-07-15_875bc498b4a733a79caeaa50d85d2df2_elex_floxif_stop.exe
  • Size 13.6MB
  • Sample260715-e9416abx8k
  • SHA256 35acba96b88dfec88b8041d4cd7bdda0f26fe314c61b84e7f0030d08bc241331
  • 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
  • UPX dump on OEP (original entry point) 8 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 2 IoCs
  • 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 8 IoCs

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

    upx
  • Drops file in Program Files directory 2 IoCs
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-15_875bc498b4a733a79caeaa50d85d2df2_elex_floxif_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-15_875bc498b4a733a79caeaa50d85d2df2_elex_floxif_stop.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:2924
    • C:\Windows\SysWOW64\MSIEXEC.EXE
      MSIEXEC.EXE /i "C:\Users\Admin\AppData\Local\Temp\{7FEA7E71-04A9-4A4A-9BFC-7D2BE54B77B8}\UriveAlbatrossII.msi" SETUPEXEDIR="C:\Users\Admin\AppData\Local\Temp" SETUPEXENAME="2026-07-15_875bc498b4a733a79caeaa50d85d2df2_elex_floxif_stop.exe"
      2⤵
      • Loads dropped DLL
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2172
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:5476

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
        Submit Download

        symsrv.dll.000
        • Path C:\Program Files\Common Files\System\symsrv.dll.000
        • Size 114B
        • SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        2D7F1770B6C.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\A1D26E2\2D7F1770B6C.tmp
        • Size 13.5MB
        • SHA256 fa4dd1e0146c21a7404276e0560d6f65a4920929e449fe4425698aca91dc51f1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        0x0412.ini
        • Path C:\Users\Admin\AppData\Local\Temp\{7FEA7E71-04A9-4A4A-9BFC-7D2BE54B77B8}\0x0412.ini
        • Size 13KB
        • SHA256 316577cf74d3545d632b0de55513a3511d654849655157cb84821b871ec081e9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UriveAlbatrossII.msi
        • Path C:\Users\Admin\AppData\Local\Temp\{7FEA7E71-04A9-4A4A-9BFC-7D2BE54B77B8}\UriveAlbatrossII.msi
        • Size 12.7MB
        • SHA256 603acdccabb2fe5e8f37ccfbf23c179b8a26b2123e36cd0f61cac32cfef5cccc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ~2DBD.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\~2DBD.tmp
        • Size 5KB
        • SHA256 47b4cedfb865834a1270fda289ab78c17032f425046000ab4fdd4cd6ba626da6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2172-65-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/2172-66-0x000000001002F000-0x0000000010030000-memory.dmp
        Download

        memory/2172-72-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/2924-69-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/2924-70-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/2924-75-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/2924-4-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/2924-79-0x0000000010000000-0x0000000010030000-memory.dmp
        Download