Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/04/2026, 13:01

General

  • Target
    2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe
  • Size 5.0MB
  • Sample260419-p896wsf16w
  • SHA256 66c710821b947d44787ee154dec838f645c85110ba121170e6858185783c776f
  • 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 hidden/system files in Explorer 2 TTPs 2 IoCs
  • Detects Floxif payload 1 IoCs
  • UPX dump on OEP (original entry point) 19 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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 12 IoCs
  • Adds Run key to start application 2 TTPs 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 file in System32 directory 2 IoCs
  • UPX packed file 19 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 6 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 18 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2604
    • \??\c:\users\admin\appdata\local\temp\2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe 
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1080
      • \??\c:\users\admin\appdata\local\temp\2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe 
        c:\users\admin\appdata\local\temp\2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe 
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2072
      • C:\Windows\Resources\Themes\icsys.icn.exe
        C:\Windows\Resources\Themes\icsys.icn.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4716
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3492
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4496
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4564
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4512
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:3460

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

        2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe.tmp
        • Size 5.1MB
        • SHA256 7f6cf400110ba7d537d90274c29da295e36cdd755d570792c250fae554494a11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DB5C136C438.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\A1D26E2\DB5C136C438.tmp
        • Size 4.8MB
        • SHA256 50743ad19ca637db06c65735dae92075c2ea5857c7a2103050c71305dd35dfb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 428faeb14e4bd950c1092ab770c275aaa9cbced1c948c4c02d491d40830683c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 a79de730d8926e0f4596bc6bc50d6ae34531b24e4353e3a166807d176bddf745
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 981e708502c2155d5d590a4a8ff00e1fab218db251cfc138d6135a5fc39f106c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 0ecab544fb238f7b8f7b19a06684d091ba6437b2cd5cc617d2facf37c14e673d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe 

        • Path \??\c:\users\admin\appdata\local\temp\2026-04-19_f9f6c59259de70508f7c6bdbf11ef763_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_swisyn.exe 
        • Size 4.9MB
        • SHA256 b94770086e5beb819747bd103e3334cddeeb9005853a69bd94d8bdbcef0c735e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1080-14-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1080-9-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1080-69-0x00000000022A0000-0x00000000022BF000-memory.dmp

        memory/1080-70-0x00000000022A0000-0x00000000022BF000-memory.dmp

        memory/1080-73-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1080-71-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2072-35-0x0000000002210000-0x0000000002240000-memory.dmp

        memory/2072-47-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2072-46-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2072-33-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2072-34-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2072-36-0x0000000002210000-0x0000000002240000-memory.dmp

        memory/2604-58-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2604-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3460-106-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3460-107-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3460-101-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3492-28-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3492-81-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3492-27-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3492-113-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3492-112-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4496-111-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4496-129-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4496-115-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4496-63-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4512-96-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4512-114-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4512-130-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4564-109-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4564-110-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4564-84-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4716-62-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4716-61-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4716-48-0x0000000010000000-0x0000000010030000-memory.dmp