Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/06/2026, 22:50
General
- Target tmpwfjmgii4.exe
- Size 1.5MB
- Sample260601-2splgah15p
- SHA256 48a2bf77f95bc1004694aa7abf4049c96d3e003e6c0ca1a946d66e3949e0bcd9
Malware Config
Extracted
-
remcos
-
2.2.2 Pro
-
chinemerem
-
remcoss.onmypc.org:3765
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
true
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
true
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
r-8ET8H0
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 6 IoCs
- AutoIT Executable 12 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmpwfjmgii4.exe"C:\Users\Admin\AppData\Local\Temp\tmpwfjmgii4.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\tmpwfjmgii4.exe"C:\Users\Admin\AppData\Local\Temp\tmpwfjmgii4.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn SystemSettingsAdminFlows /tr "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exeC:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn SystemSettingsAdminFlows /tr "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exeC:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn SystemSettingsAdminFlows /tr "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exeC:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn SystemSettingsAdminFlows /tr "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
AboutSettingsHandlers.exe
logs.dat
memory/3468-50-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/3468-53-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/3468-52-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/3508-3-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3508-10-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3508-11-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3508-14-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3852-72-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/3852-70-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/3852-68-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4340-15-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4340-0-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4340-2-0x0000000000990000-0x0000000000991000-memory.dmp
memory/4340-1-0x0000000000850000-0x0000000000853000-memory.dmp
memory/4340-20-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4340-18-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/5008-23-0x0000000000850000-0x0000000000853000-memory.dmp
memory/5008-37-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/5008-34-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/5008-36-0x0000000000DE0000-0x0000000000F69000-memory.dmp