Overview

overview

10

Static

static

3

2026-10-22...op.exe

windows10-2004-x64

10

2026-10-22...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 23:04

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General

  • Target
    2026-10-22_b97224778376a519f3b4e434721e25de_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe
  • Size 253KB
  • Sample261023-218pbaev3z
  • SHA256 6252a199bef1340fea6f9fe6a255fd1ae2dffc8ca3e60de64611b2c7c9442b3a
  • 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
  • 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
  • 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 8 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 9 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-22_b97224778376a519f3b4e434721e25de_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_b97224778376a519f3b4e434721e25de_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:3676
    • C:\Windows\SysWOW64\arp.exe
      arp -a
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:5048
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.0.1 22-e7-1c-ac-88-83
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:3396
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.255.255 28-1d-82-de-1e-cf
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:5812
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.22 28-c1-11-3e-cb-23
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:3388
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.251 7c-67-b2-cb-02-c0
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:5896
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.252 6c-84-9d-c4-94-4e
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:3708
    • C:\Windows\SysWOW64\arp.exe
      arp -s 239.255.255.250 a1-1c-f5-4a-9f-09
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:4908
    • C:\Windows\SysWOW64\arp.exe
      arp -s 255.255.255.255 0f-a0-aa-ea-e4-d4
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2028
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3232
    • C:\Users\Admin\AppData\Local\Temp\kqyzo.sys
      C:\Users\Admin\AppData\Local\Temp\kqyzo.sys
      1⤵
      • Executes dropped EXE
      PID:5656

    Network

          MITRE ATT&CK Enterprise v16

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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

          kqyzo.sys
          • Path C:\Users\Admin\AppData\Local\Temp\kqyzo.sys
          • Size 3KB
          • SHA256 96f1aa77df0cea1dc92ae68e1889ca03d4885344da52e3aaf5b5fbccd0f36e0b
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/3676-0-0x0000000000400000-0x0000000000437000-memory.dmp
          Download

          memory/3676-5-0x0000000010000000-0x0000000010033000-memory.dmp
          Download

          memory/3676-7-0x0000000000401000-0x0000000000402000-memory.dmp
          Download

          memory/3676-10-0x0000000010000000-0x0000000010033000-memory.dmp
          Download

          memory/3676-11-0x0000000000400000-0x0000000000437000-memory.dmp
          Download