Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/07/2026, 18:06

General

  • Target
    2026-07-28_e909749c008a856b6c0272613c5eb731_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe
  • Size 253KB
  • Sample260728-wp25hasajf
  • SHA256 2610de7463af187a95bf5ad6e18a8b33d6b9986d47b1afccde0dff7cd0c1bf96
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Floxif, Floodfix

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

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Detects Floxif payload 1 IoCs
  • UPX dump on OEP (original entry point) 6 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.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Network Service Discovery 1 TTPs 8 IoCs

    Attempt to gather information on host's network.

  • UPX packed file 6 IoCs

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

  • 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 10 IoCs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-28_e909749c008a856b6c0272613c5eb731_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_e909749c008a856b6c0272613c5eb731_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
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\SysWOW64\arp.exe
      arp -a
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:1492
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.0.1 f7-a5-b8-ef-5f-73
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:1372
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.255.255 fd-47-0e-3c-e6-e3
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:4328
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.22 6c-21-34-f9-60-6b
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:3676
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.251 46-44-1e-80-af-87
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:1280
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.252 bb-37-87-9b-aa-92
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:896
    • C:\Windows\SysWOW64\arp.exe
      arp -s 239.255.255.250 b4-f5-cd-62-fe-a4
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:5108
    • C:\Windows\SysWOW64\arp.exe
      arp -s 255.255.255.255 2e-4a-f5-bb-d7-85
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:1252
    • C:\Windows\SysWOW64\arp.exe
      arp -d
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4864
  • C:\Users\Admin\AppData\Local\Temp\teyyf.sys
    C:\Users\Admin\AppData\Local\Temp\teyyf.sys
    1⤵
    • Executes dropped EXE
    PID:3096
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3276
    • C:\Users\Admin\AppData\Local\Temp\iwikf.sys
      C:\Users\Admin\AppData\Local\Temp\iwikf.sys
      1⤵
      • Executes dropped EXE
      PID:4356

    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

          6A003DCB90.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\A1D26E2\6A003DCB90.tmp
          • Size 173KB
          • SHA256 2f4dd4e65a78a89e972df78c3ee62a4cf9c7dbd0d9fbd532edb9750a98f339a9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          teyyf.sys

          • Path C:\Users\Admin\AppData\Local\Temp\teyyf.sys
          • Size 3KB
          • SHA256 b6a8e1bea9833586056a9d9600814762a72fa25eedaf900de3d9a8ad10735cbe
          • MD5 SHA1 SHA512 TLSH

          memory/2960-0-0x0000000000310000-0x0000000000340000-memory.dmp

          memory/2960-5-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/2960-13-0x0000000000311000-0x0000000000312000-memory.dmp

          memory/2960-16-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/2960-17-0x0000000000310000-0x0000000000340000-memory.dmp

          memory/2960-22-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/2960-33-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/2960-41-0x0000000010000000-0x0000000010033000-memory.dmp