Analysis
- max time kernel
60s - max time network
38s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/10/2026, 20:18
General
- Target 6fc545aa88b1039c1c0ec9677d17c99c4c30cd94ae51cc566a734ba92354fae6.exe
- Size 1.5MB
- Sample261030-y3mcbasv5j
- SHA256 6fc545aa88b1039c1c0ec9677d17c99c4c30cd94ae51cc566a734ba92354fae6
Malware Config
Extracted
-
remcos
-
2.2.2 Pro
-
chinemerem
-
remcoss.onmypc.org:3765
-
audio_folder
audio
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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.
- Executes dropped EXE 2 IoCs
- AutoIT Executable 6 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 5 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 2 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 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6fc545aa88b1039c1c0ec9677d17c99c4c30cd94ae51cc566a734ba92354fae6.exe"C:\Users\Admin\AppData\Local\Temp\6fc545aa88b1039c1c0ec9677d17c99c4c30cd94ae51cc566a734ba92354fae6.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\6fc545aa88b1039c1c0ec9677d17c99c4c30cd94ae51cc566a734ba92354fae6.exe"C:\Users\Admin\AppData\Local\Temp\6fc545aa88b1039c1c0ec9677d17c99c4c30cd94ae51cc566a734ba92354fae6.exe"2⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
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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⤵
- 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/1284-14-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/1284-3-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/1284-10-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/1284-11-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/2428-18-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/2428-15-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/2428-0-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/2428-20-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/2428-2-0x0000000000FF0000-0x0000000000FF1000-memory.dmp
memory/2428-1-0x0000000000970000-0x0000000000973000-memory.dmp
memory/4704-23-0x0000000000D80000-0x0000000000D83000-memory.dmp
memory/4704-34-0x0000000000D80000-0x0000000000D83000-memory.dmp
memory/4704-33-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4704-36-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4704-37-0x0000000000DE0000-0x0000000000F69000-memory.dmp