Analysis
- max time kernel
149s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
06/05/2026, 20:28
General
- Target 882b4cfbd52b68852e11e561ff9e8d6b6838568db40f87d797efe610b2537669.exe
- Size 1.5MB
- Sample260506-y9eaaaes2m
- SHA256 882b4cfbd52b68852e11e561ff9e8d6b6838568db40f87d797efe610b2537669
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.
- Executes dropped EXE 6 IoCs
- AutoIT Executable 8 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 8 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 3 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 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\882b4cfbd52b68852e11e561ff9e8d6b6838568db40f87d797efe610b2537669.exe"C:\Users\Admin\AppData\Local\Temp\882b4cfbd52b68852e11e561ff9e8d6b6838568db40f87d797efe610b2537669.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\882b4cfbd52b68852e11e561ff9e8d6b6838568db40f87d797efe610b2537669.exe"C:\Users\Admin\AppData\Local\Temp\882b4cfbd52b68852e11e561ff9e8d6b6838568db40f87d797efe610b2537669.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⤵
- 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⤵
- 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⤵
- 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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
AboutSettingsHandlers.exe
logs.dat
memory/764-69-0x0000000000D10000-0x0000000000D8A000-memory.dmp
memory/764-68-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/764-65-0x0000000000D10000-0x0000000000D8A000-memory.dmp
memory/764-64-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/772-61-0x0000000000BB0000-0x0000000000C2A000-memory.dmp
memory/912-15-0x0000000001770000-0x0000000001773000-memory.dmp
memory/912-2-0x0000000002FA0000-0x0000000002FA1000-memory.dmp
memory/912-17-0x0000000000D60000-0x0000000000DDA000-memory.dmp
memory/912-21-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/912-22-0x0000000000D60000-0x0000000000DDA000-memory.dmp
memory/912-26-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/912-25-0x0000000000D60000-0x0000000000DDA000-memory.dmp
memory/912-0-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/912-1-0x0000000001770000-0x0000000001773000-memory.dmp
memory/912-16-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/1068-90-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/1068-91-0x0000000000D50000-0x0000000000DCA000-memory.dmp
memory/1092-41-0x0000000000910000-0x000000000098A000-memory.dmp
memory/1092-45-0x0000000000910000-0x000000000098A000-memory.dmp
memory/1092-44-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/1092-40-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/3752-14-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3752-11-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3752-10-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3752-3-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3752-20-0x0000000000D00000-0x0000000000D7A000-memory.dmp
memory/3808-89-0x0000000000BC0000-0x0000000000C3A000-memory.dmp
memory/3984-39-0x0000000000B60000-0x0000000000BDA000-memory.dmp