Analysis
- max time kernel
60s - max time network
37s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 20:34
Static task
static1
Behavioral task
behavioral1
Sample
566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe
Resource
win11ltsc2024-20260911-en
General
- Target 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe
- Size 1.5MB
- Sample261102-zckapswzes
- SHA256 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf
- MD5 9ff2298726696995feb4f5b4056efb2e
- SHA1 53bf2eea5a51845e8e28f109e09deb8aa57a7637
- SHA512 a122b68a1a50220de6e958ad804b0cedd20cb58724f94ecde6c2bfa25a8a353cd065c7393b1e56ea88c3113271ae8ff6db5412d52bb21cee3a9d45f14b04c44f
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0Fnm:+Tg3ZOcuUL3xAx/8b2S7Z0Nm
- TLSH T1027523FA8E706892D5BD463205AF0F6D35F54FB37A14AC4311713D2A6F3A267A920A1C
- 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 4 IoCs
pid Process 3044 AboutSettingsHandlers.exe 4508 AboutSettingsHandlers.exe 1680 AboutSettingsHandlers.exe 4668 AboutSettingsHandlers.exe - AutoIT Executable 8 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/1716-15-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/1716-18-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/1716-20-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3044-33-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/1680-36-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3044-38-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/1680-48-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/1680-50-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1716 set thread context of 4172 1716 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe 90 PID 3044 set thread context of 4508 3044 AboutSettingsHandlers.exe 95 PID 1680 set thread context of 4668 1680 AboutSettingsHandlers.exe 100 - 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.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe - 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 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AboutSettingsHandlers.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AboutSettingsHandlers.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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 3092 schtasks.exe 712 schtasks.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4172 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1716 wrote to memory of 4172 1716 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe 90 PID 1716 wrote to memory of 4172 1716 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe 90 PID 1716 wrote to memory of 3092 1716 566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe 91 PID 3044 wrote to memory of 4508 3044 AboutSettingsHandlers.exe 95 PID 3044 wrote to memory of 4508 3044 AboutSettingsHandlers.exe 95 PID 3044 wrote to memory of 712 3044 AboutSettingsHandlers.exe 98 PID 1680 wrote to memory of 4668 1680 AboutSettingsHandlers.exe 100 PID 1680 wrote to memory of 4668 1680 AboutSettingsHandlers.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe"C:\Users\Admin\AppData\Local\Temp\566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Users\Admin\AppData\Local\Temp\566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe"C:\Users\Admin\AppData\Local\Temp\566d40622a4785ed3b457e023098240951c7d7dc7de2f4563c5df712d4805fcf.exe"2⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4172
-
-
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:3092
-
-
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:3044 -
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
PID:4508
-
-
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:712
-
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
PID:4668
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
- Size 1.5MB
- SHA256 4a7967e11cd2f497d6be8b6ebee708bad5e15d943fbd61f2f9ade6f4f40708b7
- MD5 fab046eaa144e1b5e9158dcc971afecd
- SHA1 a451a44df093459a749e24fc16f47fa7c9e421a6
- SHA512 ff400f5059f77231926e9f80c6f1bedad6fb1cb076bcdb4aa919da96341e7e5f5bf555acf600e0732052344e1f92c627e4049a9ffe8fbf8cbdc9b387ce7e2122
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0Fnk:+Tg3ZOcuUL3xAx/8b2S7Z0Nk
- TLSH T1F17523FA8E706892D5BD463205AF0F6D35F54FF37A14AC4311713D2A6F3A267A920A1C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
- Size 79B
- SHA256 476cf16e6371cfec224a1ee14fa1ad5d4ab99bd6304bdb23b411375bbec9508b
- MD5 2410c03f5db686193212d13d4736c22d
- SHA1 404ff9bf070c83530e08ba6ee949f3121386bbdf
- SHA512 88fad8ec1096ccd27c9bce6a9be2ee5298baa623537bf091d219256cd06e9565a8b61cb2abee0f9ed228086bfb61ae65069019597a0758720e778672479f0fcf
- TLSH T1C5A0129682208940001024E0B1883196D00A08113977080560414B0803481112980325
- MD5 SHA1 SHA512 TLSH