Analysis
- max time kernel
118s - max time network
114s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
16/04/2026, 04:34
General
- Target FreeFileSync_14.9_Windows_Setup.exe
- Size 20.9MB
- Sample260416-e7g4lsax8x
- SHA256 255259a312004f1bd0a02bab71daada5629ee5ff26bbc0b9ce274b9290965d60
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- 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.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\FreeFileSync_14.9_Windows_Setup.exe"C:\Users\Admin\AppData\Local\Temp\FreeFileSync_14.9_Windows_Setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-N3QTDQRDPA.tmp\FreeFileSync_14.9_Windows_Setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-N3QTDQRDPA.tmp\FreeFileSync_14.9_Windows_Setup.tmp" /SL5="$C02E0,20311365,950272,C:\Users\Admin\AppData\Local\Temp\FreeFileSync_14.9_Windows_Setup.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-V3RX0F1ODV.tmp\FreeFileSync.exe"C:\Users\Admin\AppData\Local\Temp\is-V3RX0F1ODV.tmp\FreeFileSync.exe" ffs_setup_convert_jpg_to_bmp "C:\Users\Admin\AppData\Local\Temp\is-V3RX0F1ODV.tmp\img_14.jpg"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
FreeFileSync_14.9_Windows_Setup.tmp
FreeFileSync.exe
img_14.bmp
img_14.jpg
memory/2388-19-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-25-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-46-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-15-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-17-0x00000000028A0000-0x00000000028A1000-memory.dmp
memory/2388-16-0x0000000000FB0000-0x0000000001072000-memory.dmp
memory/2388-43-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-23-0x0000000000FB0000-0x0000000001072000-memory.dmp
memory/2388-22-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-5-0x00000000028A0000-0x00000000028A1000-memory.dmp
memory/2388-28-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-31-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-34-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-37-0x0000000000130000-0x000000000058F000-memory.dmp
memory/2388-40-0x0000000000130000-0x000000000058F000-memory.dmp
memory/5540-0-0x0000000000ED0000-0x0000000000FC7000-memory.dmp
memory/5540-14-0x0000000000ED0000-0x0000000000FC7000-memory.dmp