Analysis
- max time kernel
60s - max time network
61s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 20:17
Static task
static1
Behavioral task
behavioral1
Sample
170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe
Resource
win11ltsc2024-20260709-en
General
- Target 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe
- Size 1.5MB
- Sample260809-y2vbjadj9s
- SHA256 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d
- MD5 7bcaac9eee4c16e35e0f4bc13dad00dc
- SHA1 db8224cc3806efe2f5c09fbe2885d4ff3ceae661
- SHA512 d3cc2131a222d5a2d87f0ab2b1a5c0d8192eff359978b9aa52d49b7f58e6e5ae90c495d4f68a3275e8d2f50570eafe77547308277ba57c91bceca2ce5bc3e754
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0Fu:+Tg3ZOcuUL3xAx/8b2S7Z0o
- TLSH T1E27523FA8E706892D5BD453205AF0F6D75F54FF37A14AC4311713D2A2F3A267A920A1C
- 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 3888 AboutSettingsHandlers.exe 4704 AboutSettingsHandlers.exe 996 AboutSettingsHandlers.exe - AutoIT Executable 7 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/6020-16-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/6020-19-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/6020-21-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3888-34-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/996-38-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3888-39-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3888-41-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 6020 set thread context of 3240 6020 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe 89 PID 3888 set thread context of 4704 3888 AboutSettingsHandlers.exe 94 - 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 AboutSettingsHandlers.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.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 1612 schtasks.exe 3684 schtasks.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3240 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 6020 wrote to memory of 3240 6020 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe 89 PID 6020 wrote to memory of 3240 6020 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe 89 PID 6020 wrote to memory of 1612 6020 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe 90 PID 3888 wrote to memory of 4704 3888 AboutSettingsHandlers.exe 94 PID 3888 wrote to memory of 4704 3888 AboutSettingsHandlers.exe 94 PID 3888 wrote to memory of 3684 3888 AboutSettingsHandlers.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe"C:\Users\Admin\AppData\Local\Temp\170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6020 -
C:\Users\Admin\AppData\Local\Temp\170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe"C:\Users\Admin\AppData\Local\Temp\170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3240
-
-
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:1612
-
-
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:3888 -
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
PID:4704
-
-
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:3684
-
-
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:996
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 888050af79631ed64b3cbf83cd481d8cc381d4ec8138984ba531f38a4a912991
- MD5 5a1bc43df7103ccfd5c93b609aec2d8d
- SHA1 06f54c8f746f8f8a858ce5b0938fca49e8ae5c1c
- SHA512 264324aacfda7c4ff88ed2406021894d6276ce0ff5a90dacdebad882678a01a57ef3ada89adf0d999467afcd2581a22a69b0c297e47595d936498633157c4f4f
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0FT:+Tg3ZOcuUL3xAx/8b2S7Z0t
- TLSH T1567523FA8E706892D5BD453205AF0F6D75F54FF37A14AC4311713D2A2F3A267A920A1C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
- Size 79B
- SHA256 40ef0f330c905cc147a35b72e6b008dcffaeeef73654c966c7445d44ca051219
- MD5 a14282e8931a2fc5d007ad72001d42fb
- SHA1 61ee67af6cd9f0f0e58d7d6dfaad583542004970
- SHA512 994d36d1b597571aab41d9a8cb70319895b0785923cb31b475de43a9c984da7f368ca16afd10d14aae60de57ef30fdcd62f1c907cfff1a522aea337a2cd5cfe4
- TLSH T16BA012458230DE40001124F074483186914A015031AE471650014B0C034D0416581212
- MD5 SHA1 SHA512 TLSH