Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
01/07/2026, 23:52
General
- Target 2026-07-01_ce963a0a8cba1fb39b2352d2decafc91_elex_floxif_stop.exe
- Size 1.1MB
- Sample260701-3wt6ssfz2p
- SHA256 2dabb054360aaa32450a265b746e88f488be6e99ef408f7ad63a9dd6e6b8c9e8
Malware Config
Signatures
- Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Modifies WinLogon for persistence 2 TTPs 2 IoCs
- Detects Floxif payload 1 IoCs
- UPX dump on OEP (original entry point) 17 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 7 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- AutoIT Executable 11 IoCs
AutoIT scripts compiled to PE executables.
- UPX packed file 17 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies Internet Explorer settings 1 TTPs 10 IoCs
- Modifies Internet Explorer start page 1 TTPs 4 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-01_ce963a0a8cba1fb39b2352d2decafc91_elex_floxif_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-01_ce963a0a8cba1fb39b2352d2decafc91_elex_floxif_stop.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\explorer.exeExplorer.exe system3_.exe1⤵
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C:\Users\Admin\Desktop\system3_.exeC:\Users\Admin\Desktop\system3_.exe1⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Desktop\system3_.exe"C:\Users\Admin\Desktop\system3_.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
66EA5231CCBA62EE55B488395991816E_B4C71AEBCEF81686450AED594F39E0B2
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
66EA5231CCBA62EE55B488395991816E_B4C71AEBCEF81686450AED594F39E0B2
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
setting[2].htm
setting[1].htm
3AAEED01268.tmp
autorun.ini
system3_.exe
memory/3656-27-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3656-69-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3656-92-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/3656-90-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3656-88-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3656-79-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3656-73-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3656-71-0x0000000002F30000-0x0000000002F60000-memory.dmp
memory/3656-30-0x0000000002F30000-0x0000000002F60000-memory.dmp
memory/3656-70-0x0000000002F30000-0x0000000002F60000-memory.dmp
memory/4264-72-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4264-78-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4264-10-0x0000000000417000-0x0000000000430000-memory.dmp
memory/4264-8-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/4264-0-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/4264-68-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4264-1-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/4264-100-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4264-113-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4264-9-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/4264-109-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4264-106-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4264-91-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/4264-6-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4712-44-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/4712-45-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/4712-53-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4712-52-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/4712-43-0x0000000002F40000-0x0000000002F70000-memory.dmp
memory/4712-42-0x0000000010000000-0x0000000010030000-memory.dmp