Analysis
- max time kernel
60s - max time network
38s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/09/2026, 20:18
Static task
static1
Behavioral task
behavioral1
Sample
16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe
Resource
win11ltsc2024-20260911-en
General
- Target 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe
- Size 1.5MB
- Sample260914-y3grtsvsdw
- SHA256 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2
- MD5 e0eb381f9b236981f4e51d0b4588e119
- SHA1 831772eb9e8f2286ba9d434c50323d4dec65be7f
- SHA512 b69ed0b16d806dc8a3eca6d4465462549a967d8fc7983d01033d9e6daa49908a7e5ea26cdcd7dad9368aca2ea056295e7889153e0bad408b1c6e06acd79c710a
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0FI:+Tg3ZOcuUL3xAx/8b2S7Z06
- TLSH T1A87523FA8E706892D5BD453205AF0F6D75F58FB37A14AC4311713D2A3F3A267A920A1C
- MD5 SHA1 SHA512 SSDEEP TLSH
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
- Executes dropped EXE 3 IoCs
pid Process 2220 AboutSettingsHandlers.exe 2708 AboutSettingsHandlers.exe 4576 AboutSettingsHandlers.exe - AutoIT Executable 7 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4296-16-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/4296-19-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/4296-21-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/2220-35-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/4576-36-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/2220-38-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/2220-40-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4296 set thread context of 4692 4296 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe 87 PID 2220 set thread context of 2708 2220 AboutSettingsHandlers.exe 92 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AboutSettingsHandlers.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AboutSettingsHandlers.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2588 schtasks.exe 3444 schtasks.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4692 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4296 wrote to memory of 4692 4296 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe 87 PID 4296 wrote to memory of 4692 4296 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe 87 PID 4296 wrote to memory of 2588 4296 16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe 88 PID 2220 wrote to memory of 2708 2220 AboutSettingsHandlers.exe 92 PID 2220 wrote to memory of 2708 2220 AboutSettingsHandlers.exe 92 PID 2220 wrote to memory of 3444 2220 AboutSettingsHandlers.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe"C:\Users\Admin\AppData\Local\Temp\16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296 -
C:\Users\Admin\AppData\Local\Temp\16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe"C:\Users\Admin\AppData\Local\Temp\16cc9e2e1c9ca7eb45897aa4cd86c4c8acc251a0d77efdaf3a9fc1ff588ea9e2.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4692
-
-
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
PID:2588
-
-
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
PID:2220 -
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
PID:2708
-
-
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
PID:3444
-
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4576
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
- Size 1.5MB
- SHA256 6ac595b78cad00297e11517ffd86176eb065eed4572353450feebc43fbdd6902
- MD5 8c3c24ce68d45477ac8f83d11af8c425
- SHA1 ccc4043a5b350f6537db51afb1154bcb1595b2d5
- SHA512 55947eb04e8d39ee07cd6321a1bfccfe4966768a3604ba9a5995dafc6fe14798113062a8dc80282df274096d273a55c0e03ebbb00e26b2da5281647755f2cfb9
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0Ff:+Tg3ZOcuUL3xAx/8b2S7Z0x
- TLSH T1B57523FA8E706892D5BD453205AF0F6D75F58FB37A14AC4311713D2A3F3A267A920A1C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
- Size 79B
- SHA256 bbb2fce46f6b71f5887b215d63621d718dcc03fb6b0eb848b2416104a7daf190
- MD5 7cca2974d9e729c544f6d10760c4f106
- SHA1 dbbb70d52754328ed9d0cc1e1ff90cd61c953246
- SHA512 62e154873ce62f66e0061e815e7d95de85555cad77792c223b0fa262ce506d06d324bed29532fed0dff8c373b94b2bf9db5e0b69cfaa5ec56fcc157e3f1de11a
- TLSH T120A012858220898501122CE064493196514101103166691590014B18024814076C0212
- MD5 SHA1 SHA512 TLSH