Analysis
- max time kernel
60s - max time network
39s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 20:07
Static task
static1
Behavioral task
behavioral1
Sample
ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe
Resource
win11ltsc2024-20260710-en
General
- Target ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe
- Size 1.5MB
- Sample260808-ywfaesdj4t
- SHA256 ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30
- MD5 e50830b348e6ae627597589fdb0f9614
- SHA1 deded62558b59b5afcb40d3cdbc11064c0f8acac
- SHA512 6a24a84a92959aa2afbc4c55b1a22dd3790eff98eb98f407be3fc6b97b130811ea35449b303e3394c6319c7438be5f49c69e0587fc8bf13f5275d2fd08320bc5
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0FZ:+Tg3ZOcuUL3xAx/8b2S7Z0/
- TLSH T1267523FA8E706892D5BD463205AF0F6D35F54FF37A14AC4311713D2A2F3A267A920A1C
- 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 2 IoCs
pid Process 5696 AboutSettingsHandlers.exe 1196 AboutSettingsHandlers.exe - AutoIT Executable 6 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/900-16-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/900-19-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/900-21-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/5696-35-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/5696-37-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/5696-38-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 900 set thread context of 892 900 ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe 89 PID 5696 set thread context of 1196 5696 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 5 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 ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.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 3088 schtasks.exe 1868 schtasks.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 892 ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 900 wrote to memory of 892 900 ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe 89 PID 900 wrote to memory of 892 900 ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe 89 PID 900 wrote to memory of 3088 900 ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe 90 PID 5696 wrote to memory of 1196 5696 AboutSettingsHandlers.exe 94 PID 5696 wrote to memory of 1196 5696 AboutSettingsHandlers.exe 94 PID 5696 wrote to memory of 1868 5696 AboutSettingsHandlers.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe"C:\Users\Admin\AppData\Local\Temp\ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Users\Admin\AppData\Local\Temp\ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe"C:\Users\Admin\AppData\Local\Temp\ba31ab1e684f2550c57f640a458b0508aa9d649b909a20b598d355b16bc85a30.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:892
-
-
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:3088
-
-
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:5696 -
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
PID:1196
-
-
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:1868
-
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 f7e64cb95bd848be3276df3b3be1c35e7d4e146b11144bcd63488c8c76730c4e
- MD5 9a0a9384e95aa34968dc5fde49c4f393
- SHA1 ceff13fc7c3370395d98e6720ca27f742ae66d69
- SHA512 92c6267bf046a7018067514880e2b80b4aac7863e3bae821ebe50aa39186b13c5ee83196d1357070eb3381a060811a683bdd9141652539aa39b8a20517265d4e
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0FI:+Tg3ZOcuUL3xAx/8b2S7Z0q
- TLSH T1B17523FA8E706892D5BD463205AF0F6D35F54FF37A14AC4311713D2A2F3A267A920A1C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
- Size 79B
- SHA256 dc70ed57a3217bebc941d31191b0590b19ca967fc8414cc8f93a169e6f0af974
- MD5 d3b76dac43118e968cb853ab927320c2
- SHA1 48102dca3421819ee027ba7f36c51022a7203005
- SHA512 85208baeb9351d1ecacde244cdb85e1f38d64d250c6c09c856a12c1b45892454e4c3ea37d41edfcbe00adc41a5f66324309427deafb524a5424728795e20a297
- TLSH T1DEA02447C330DD4400103CF0754C30C7D00D0350357F0515D0055F0C074C40177C0311
- MD5 SHA1 SHA512 TLSH