Overview

overview

10

Static

static

5

2026-08-09...op.exe

windows10-2004-x64

10

2026-08-09...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 06:28

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General

  • Target
    2026-08-09_d14c21b2ce24a49e8dcf71ae6cbb5731_amadey_elex_emotet_floxif_smoke-loader_stop.exe
  • Size 16.7MB
  • Sample260809-g8fchssdjc
  • SHA256 6bd8e5840d19abcaa51bdf54bce5049c9ebc258149c937c365ceab9be7d223fd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordefense_evasiondiscoveryfloxiftrojanupx

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 4 IoCs

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

    upx
  • 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 2 IoCs

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

    discovery
  • Modifies Control Panel 1 IoCs
    defense_evasion
  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_d14c21b2ce24a49e8dcf71ae6cbb5731_amadey_elex_emotet_floxif_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_d14c21b2ce24a49e8dcf71ae6cbb5731_amadey_elex_emotet_floxif_smoke-loader_stop.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3120
    • C:\Users\Admin\AppData\Local\Temp\7zi712F\7z.exe
      "C:\Users\Admin\AppData\Local\Temp\7zi712F\7z.exe" x -t7z "C:\Users\Admin\AppData\Local\Temp\7zi712F\package.7z" -o"C:\Users\Admin\New folder" -aoa
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      PID:5300

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

        7z.dll
        • Path C:\Users\Admin\AppData\Local\Temp\7zi712F\7z.dll
        • Size 858KB
        • SHA256 142a7dff08984e7fd40a4c1fa9913ee09586a7815a03314cbab66c6e3df78ada
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7z.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7zi712F\7z.exe
        • Size 158KB
        • SHA256 ea25aaddcd4d4dfb14ed3e736d39845db6a9ea014a624ecb40991648211830d2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SS7Zip.dll
        • Path C:\Users\Admin\AppData\Local\Temp\7zi712F\SS7Zip.dll
        • Size 212KB
        • SHA256 075d927bd8158fa6e0c462465f0c888a4679210393f861d97a8c92d33fb2d532
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        package.7z
        • Path C:\Users\Admin\AppData\Local\Temp\7zi712F\package.7z
        • Size 14.9MB
        • SHA256 66c950667e6d2775488146eeffc01575f683533a034010459d789c1e248dadfa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bg_wireless.bmp
        • Path C:\Users\Admin\New folder\Setup\Data\bitmap\bg_wireless.bmp
        • Size 361KB
        • SHA256 f574e53bc6c4f30a2fffa63fc7deb632846059bcf14d3644552618c4d05181c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3120-4-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3120-13-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3120-23-0x0000000008A30000-0x0000000008A69000-memory.dmp
        Download

        memory/3120-392-0x0000000010000000-0x0000000010030000-memory.dmp
        Download