Overview

overview

10

Static

static

3

2026-08-09...op.exe

windows10-2004-x64

10

2026-08-09...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    131s
  • 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, 09:15

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General

  • Target
    2026-08-09_2eb630dec1107ae2daac947e26ca6d22_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe
  • Size 178KB
  • Sample260809-k77l6acm8x
  • SHA256 bc385e07abb3445ae102c6dd4359d2263a47d2c7abf75c2d49c7f836e2d288cc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordefense_evasiondiscoveryfloxifpersistenceprivilege_escalationtrojanupx

Malware Config

Signatures

  • Family: Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

    backdoortrojanfloxif
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    defense_evasion
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
    defense_evasion
  • Detects Floxif payload 1 IoCs
    backdoor
  • UPX dump on OEP (original entry point) 3 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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Network Service Discovery 1 TTPs 7 IoCs

    Attempt to gather information on host's network.

    discovery
  • UPX packed file 3 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

    discovery
  • Modifies registry class 9 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_2eb630dec1107ae2daac947e26ca6d22_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_2eb630dec1107ae2daac947e26ca6d22_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visibility of hidden/system files in Explorer
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Windows\SysWOW64\arp.exe
      arp -a
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:6136
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.0.1 47-d4-16-f9-d5-8e
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:4288
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.255.255 42-73-70-27-8c-1a
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:4236
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.22 e8-b8-49-45-40-fe
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:4036
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.252 85-51-3f-d3-fb-0b
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:3312
    • C:\Windows\SysWOW64\arp.exe
      arp -s 239.255.255.250 a6-b1-a3-c9-65-5e
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2208
    • C:\Windows\SysWOW64\arp.exe
      arp -s 255.255.255.255 cd-fe-a1-5b-ab-9c
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:5860
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3020
    • C:\Users\Admin\AppData\Local\Temp\zbfhw.sys
      C:\Users\Admin\AppData\Local\Temp\zbfhw.sys
      1⤵
      • Executes dropped EXE
      PID:2408

    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 71KB
          • SHA256 8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          zbfhw.sys
          • Path C:\Users\Admin\AppData\Local\Temp\zbfhw.sys
          • Size 3KB
          • SHA256 7ada2582901dfc7944cc094dc3074b19c3ec3362fa77e0d6d11cd4725f976ab8
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/3980-5-0x0000000010000000-0x0000000010033000-memory.dmp
          Download

          memory/3980-7-0x0000000000E21000-0x0000000000E22000-memory.dmp
          Download

          memory/3980-0-0x0000000000E20000-0x0000000000E3D000-memory.dmp
          Download

          memory/3980-10-0x0000000010000000-0x0000000010033000-memory.dmp
          Download

          memory/3980-11-0x0000000000E20000-0x0000000000E3D000-memory.dmp
          Download