Analysis
- max time kernel
150s - max time network
125s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
23/05/2026, 15:47
General
- Target 2026-05-23_2872583053030b8aee72e30c06c1c20d_elex_floxif_stop.exe
- Size 718KB
- Sample260523-s792aae19x
- SHA256 a44eb733b554e03afe4431bd9bd3c995c82ee9a64bd7d3f9c096cf9a8cc2993f
Malware Config
Signatures
- Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- UPX dump on OEP (original entry point) 12 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Drops startup file 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
- UPX packed file 12 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 9 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_2872583053030b8aee72e30c06c1c20d_elex_floxif_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_2872583053030b8aee72e30c06c1c20d_elex_floxif_stop.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\Users\Admin\AppData\Local\Temp\2026-05-23_2872583053030b8aee72e30c06c1c20d_elex_floxif_stop.exe" "%appdata%\IOTUWXWO32.exe"2⤵
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Roaming\IOTUWXWO32.exeC:\Users\Admin\AppData\Roaming\IOTUWXWO32.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
BFB1D707AC.tmp
IOTUWXWO32.exe
memory/1964-5-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1964-12-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1964-0-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/4528-34-0x00000000754F3000-0x00000000754F4000-memory.dmp
memory/4528-40-0x00000000754E0000-0x0000000075544000-memory.dmp
memory/4528-27-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4528-17-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/4528-36-0x00000000754E0000-0x0000000075544000-memory.dmp
memory/4528-37-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4528-38-0x00000000754E0000-0x0000000075544000-memory.dmp
memory/4528-25-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4528-42-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4528-20-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4528-47-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4528-50-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4528-56-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4528-59-0x0000000010000000-0x0000000010030000-memory.dmp