Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
09/08/2026, 05:15
General
- Target 2026-08-09_8a1d971e727a0aefe46750dc05d69240_coinminer_elex_floxif_rhadamanthys_stop.exe
- Size 1.9MB
- Sample260809-fxpalsvses
- SHA256 9d1ca1da051a88b809179bdb2e30c51f2b55848c50fe084450da5e5cce33443d
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) 11 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 3 IoCs
- Enumerates connected drives 3 TTPs 47 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
- Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- UPX packed file 11 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).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 4 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_8a1d971e727a0aefe46750dc05d69240_coinminer_elex_floxif_rhadamanthys_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_8a1d971e727a0aefe46750dc05d69240_coinminer_elex_floxif_rhadamanthys_stop.exe"1⤵
- 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\_ir_sf_temp_0\irsetup.exe"C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:653858 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\2026-08-09_8a1d971e727a0aefe46750dc05d69240_coinminer_elex_floxif_rhadamanthys_stop.exe" "__IRCT:1" "__IRTSS:0" "__IRSID:S-1-5-21-4046655672-1449839301-2197395821-1000"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\hstart.exeC:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\hstart.exe /NOCONSOLE /WAIT MyFile.cmd3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c MyFile.cmd4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\Gdisk32.exeGDISK325⤵
- Executes dropped EXE
- Enumerates connected drives
- Maps connected drives based on registry
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\hstart.exeC:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\hstart.exe /NOCONSOLE /WAIT MyFile.cmd3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c MyFile.cmd4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\Gdisk32.exeGDISK32 1 /status5⤵
- Executes dropped EXE
- Enumerates connected drives
- Maps connected drives based on registry
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
-
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
symsrv.dll
symsrv.dll.000
Gdisk32.exe
HD_N.TXT
HD_SEC.TXT
IRIMG3.JPG
MyFile.cmd
MyFile.cmd
hstart.exe
irsetup.exe
irsetup.exe.tmp
memory/4892-69-0x0000000000400000-0x000000000057E000-memory.dmp
memory/4892-73-0x0000000000400000-0x000000000057E000-memory.dmp
memory/4892-17-0x000000000057D000-0x000000000057E000-memory.dmp
memory/4892-16-0x0000000000400000-0x000000000057E000-memory.dmp
memory/4992-35-0x00000000038C0000-0x0000000003A3E000-memory.dmp
memory/4992-68-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4992-70-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4992-72-0x00000000038C0000-0x0000000003A3E000-memory.dmp
memory/4992-71-0x00000000038C0000-0x0000000003A3E000-memory.dmp
memory/4992-34-0x00000000038C0000-0x0000000003A3E000-memory.dmp
memory/4992-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4992-77-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4992-80-0x0000000010000000-0x0000000010030000-memory.dmp