Analysis
- max time kernel
59s - max time network
63s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe Key value queried \REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation AboutSettingsHandlers.exe - Executes dropped EXE 3 IoCs
pid Process 4084 AboutSettingsHandlers.exe 440 AboutSettingsHandlers.exe 2992 AboutSettingsHandlers.exe - AutoIT Executable 5 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/4076-16-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral1/memory/4076-21-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral1/memory/4084-35-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral1/memory/2992-38-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral1/memory/4084-40-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4076 set thread context of 3444 4076 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe 87 PID 4084 set thread context of 440 4084 AboutSettingsHandlers.exe 99 - 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 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.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 2908 schtasks.exe 3004 schtasks.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3444 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4076 wrote to memory of 3444 4076 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe 87 PID 4076 wrote to memory of 3444 4076 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe 87 PID 4076 wrote to memory of 2908 4076 170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe 92 PID 4084 wrote to memory of 440 4084 AboutSettingsHandlers.exe 99 PID 4084 wrote to memory of 440 4084 AboutSettingsHandlers.exe 99 PID 4084 wrote to memory of 3004 4084 AboutSettingsHandlers.exe 105
Processes
-
C:\Users\Admin\AppData\Local\Temp\170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe"C:\Users\Admin\AppData\Local\Temp\170b9f492117c402da460330273dd0892f1714762de1a1e92b15d19973cea77d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4076 -
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:3444
-
-
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:2908
-
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exeC:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4084 -
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
PID:440
-
-
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:3004
-
-
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exeC:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2992
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 44db32607188d3b32c7f0e365acb43ac31a06a9884f05750254e47a99db0351a
- MD5 04b5b47c9f57ed235ade151dde7695aa
- SHA1 c055b2f6f1098d41ebde79fd1e2e4fbf73f9dbda
- SHA512 513bae4cfca5a481faed3fdcce273704b4a4a90199e18ab600668a6b42f92172f0759a9496a44f14a15d3b2fe6f78cc976529587896e1bd73aee0559fae522e6
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0Fq:+Tg3ZOcuUL3xAx/8b2S7Z00
- TLSH T1F77523FA8E706892D5BD453205AF0F6D75F58FF37A14AC4311713D2A2F3A267A920A1C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
- Size 79B
- SHA256 b0217b9caffad19b52d2bb92ac2f6c3dbf28748f3a0b02d22cb9d4c8938c0f60
- MD5 bafe38a9c492774da09d99016145a63c
- SHA1 c4406d1dd97abf1f0d4211032a376828a14d9c7f
- SHA512 65ec7f3447ee55bd7449506cd4f666e0127c566ba99ab87d6dce5324752662651d6f74a8a5bdf44efac7ce9fc25766b8092ca3f3f14cad5a2b73bab8ac89f13c
- TLSH T1D8A012858230DE40002225F0744831869006045031BE061650014B0C0248041A981211
- MD5 SHA1 SHA512 TLSH