Analysis
- max time kernel
145s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
15/08/2026, 04:05
General
- Target 2026-08-15_446e84b700907f99d4a7f6d10b85ac84_elex_floxif_stop_swisyn.exe
- Size 1.4MB
- Sample260815-envwcsydjd
- SHA256 fa5350fc2bd66e299fae8d70ae3122fc4dffdbc004b9f0fb17f92e72e58fb65e
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) 4 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 6 IoCs
- Loads dropped DLL 3 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 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 15 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-15_446e84b700907f99d4a7f6d10b85ac84_elex_floxif_stop_swisyn.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_446e84b700907f99d4a7f6d10b85ac84_elex_floxif_stop_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
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\??\c:\users\admin\appdata\local\temp\2026-08-15_446e84b700907f99d4a7f6d10b85ac84_elex_floxif_stop_swisyn.exec:\users\admin\appdata\local\temp\2026-08-15_446e84b700907f99d4a7f6d10b85ac84_elex_floxif_stop_swisyn.exe2⤵
- Executes dropped EXE
- 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 behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- 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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
symsrv.dll
2026-08-15_446e84b700907f99d4a7f6d10b85ac84_elex_floxif_stop_swisyn.exe.tmp
2026-08-15_446e84b700907f99d4a7f6d10b85ac84_elex_floxif_stop_swisyn.exe
64EA978304.tmp
explorer.exe
icsys.icn.exe
spoolsv.exe
svchost.exe
memory/772-75-0x0000000074B3C000-0x0000000074B3D000-memory.dmp
memory/772-77-0x0000000010000000-0x0000000010030000-memory.dmp
memory/772-79-0x0000000074AC0000-0x0000000074BAC000-memory.dmp
memory/772-25-0x00000000038E0000-0x00000000038FF000-memory.dmp
memory/772-10-0x0000000000400000-0x0000000000588000-memory.dmp
memory/772-78-0x0000000074AC0000-0x0000000074BAC000-memory.dmp
memory/772-29-0x0000000010000000-0x0000000010030000-memory.dmp
memory/772-15-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1020-73-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1020-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1380-69-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2692-81-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3788-70-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3968-80-0x0000000000400000-0x000000000041F000-memory.dmp
memory/5548-71-0x0000000000400000-0x000000000041F000-memory.dmp