Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
08/08/2026, 17:15
General
- Target 2026-08-08_ca77a1c595078447fe6fed20baf438a7_amadey_elex_floxif_stealc_stop_tofsee.exe
- Size 6.3MB
- Sample260808-vstf4a1emd
- SHA256 9a32b9e1251ab5a07191626679ee6759e06aa7350a06c1343a183f62b50f0da1
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) 5 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 6 IoCs
- Enumerates connected drives 3 TTPs 5 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 3 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_ca77a1c595078447fe6fed20baf438a7_amadey_elex_floxif_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_ca77a1c595078447fe6fed20baf438a7_amadey_elex_floxif_stealc_stop_tofsee.exe"1⤵
- Checks computer location settings
- 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 WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Stellar Phoenix Windows Data Recovery\spwdrp.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Stellar Phoenix Windows Data Recovery\spwdrp.exe"2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5588 -s 17443⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5588 -ip 55881⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tiptsf.dll.tmp
tiptsf.dll.tmp
symsrv.dll
Rockey2.dll
spwdrp.INI
spwdrp.exe
spwdrp.exe.tmp
memory/3632-88-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3632-87-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3632-105-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3632-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3632-71-0x0000000005E00000-0x0000000006C29000-memory.dmp
memory/3632-73-0x0000000005E00000-0x0000000006C29000-memory.dmp
memory/5588-72-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-84-0x00000000030D0000-0x000000000320C000-memory.dmp
memory/5588-76-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-83-0x00000000030D0000-0x000000000320C000-memory.dmp
memory/5588-81-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-82-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-77-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-51-0x00000000030D0000-0x000000000320C000-memory.dmp
memory/5588-85-0x00000000030D0000-0x000000000320C000-memory.dmp
memory/5588-75-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-52-0x0000000000BE6000-0x0000000000BE7000-memory.dmp
memory/5588-43-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-89-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-91-0x00000000030D0000-0x000000000320C000-memory.dmp
memory/5588-90-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-95-0x00000000030D0000-0x000000000320C000-memory.dmp
memory/5588-96-0x0000000000400000-0x0000000001229000-memory.dmp
memory/5588-44-0x00000000030D0000-0x000000000320C000-memory.dmp