Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/09/2026, 19:43
General
- Target 2026-09-10_15857130cbf87f3aef7594ecc874d3a1_elex_emotet_floxif_ramnit_stop_swisyn.exe
- Size 5.7MB
- Sample260910-ye9gyavfme
- SHA256 8fc8439fe4b8764cc962c43360951102e2d5f18f68810fa95b1bd71e5c6cce71
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) 3 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 6 IoCs
- Loads dropped DLL 1 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 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 5 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-10_15857130cbf87f3aef7594ecc874d3a1_elex_emotet_floxif_ramnit_stop_swisyn.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-10_15857130cbf87f3aef7594ecc874d3a1_elex_emotet_floxif_ramnit_stop_swisyn.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\users\admin\appdata\local\temp\2026-09-10_15857130cbf87f3aef7594ecc874d3a1_elex_emotet_floxif_ramnit_stop_swisyn.exec:\users\admin\appdata\local\temp\2026-09-10_15857130cbf87f3aef7594ecc874d3a1_elex_emotet_floxif_ramnit_stop_swisyn.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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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
-
\??\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
-
\??\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
icsys.icn.exe
spoolsv.exe
svchost.exe
2026-09-10_15857130cbf87f3aef7594ecc874d3a1_elex_emotet_floxif_ramnit_stop_swisyn.exe
explorer.exe
memory/1524-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2208-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2208-54-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3472-25-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3472-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4568-38-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4568-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/5296-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/5628-23-0x0000000000400000-0x00000000011C9000-memory.dmp
memory/5628-66-0x0000000000400000-0x00000000011C9000-memory.dmp
memory/5768-33-0x0000000000400000-0x0000000000430000-memory.dmp
memory/5768-34-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5768-0-0x0000000000400000-0x0000000000430000-memory.dmp
memory/5768-4-0x0000000010000000-0x0000000010030000-memory.dmp