Analysis
- max time kernel
60s - max time network
60s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 20:40
Static task
static1
Behavioral task
behavioral1
Sample
5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe
Resource
win11ltsc2024-20260709-en
General
- Target 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe
- Size 1.5MB
- Sample260729-zf4hraef53
- SHA256 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75
- MD5 fb8923ffbe096b88af31e0433a203926
- SHA1 d90c1ca0daf5a5ee22c67b06fb8cd6b48602732b
- SHA512 c4535a9863becc11ba3d04656c5028f7467fee059715b67a465b23fa12c64bb3fe45b0333e7a59ad6129cd6cacd87e640f11f709ebc219316ff96b60818f5620
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0F6:+Tg3ZOcuUL3xAx/8b2S7Z0s
- TLSH T1E07523FA8E706892D5BD453205AF0F6D75F54FB37A14AC4311713D2A3F3A267A920A1C
- 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 3532 AboutSettingsHandlers.exe 1916 AboutSettingsHandlers.exe - AutoIT Executable 6 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/3856-16-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3856-19-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3856-21-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3532-35-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3532-37-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe behavioral2/memory/3532-38-0x0000000000DE0000-0x0000000000F69000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3856 set thread context of 3720 3856 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe 89 PID 3532 set thread context of 1916 3532 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 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.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 - 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 3676 schtasks.exe 2492 schtasks.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3720 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3856 wrote to memory of 3720 3856 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe 89 PID 3856 wrote to memory of 3720 3856 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe 89 PID 3856 wrote to memory of 2492 3856 5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe 90 PID 3532 wrote to memory of 1916 3532 AboutSettingsHandlers.exe 94 PID 3532 wrote to memory of 1916 3532 AboutSettingsHandlers.exe 94 PID 3532 wrote to memory of 3676 3532 AboutSettingsHandlers.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe"C:\Users\Admin\AppData\Local\Temp\5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Users\Admin\AppData\Local\Temp\5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe"C:\Users\Admin\AppData\Local\Temp\5c9e100f04f58825a92e060313b239a49f0a2ca000ff0ede57ad121ad2a79d75.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3720
-
-
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:2492
-
-
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:3532 -
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
PID:1916
-
-
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:3676
-
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 3588f5e718bcd210791bdec7046730f77c39cf69e0e20fa5ecd4cd0b2f4ccb0e
- MD5 ebc8c1e961a681b04f7fe0f6d32f85ba
- SHA1 592dff7c5dbbda4b6a0e2c97c25fc24fc01ade42
- SHA512 996be5b827d8dc979ee7edc1dc90bb258f654fb2930794940288fb145b34ecd6a5d2840066f1f21b246962211cbee5d6f88d8a3c0d37746438734e5e88d586b7
- SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0FQ:+Tg3ZOcuUL3xAx/8b2S7Z06
- TLSH T1447523FA8E706892D5BD453205AF0F6D35F54FB37A14AC4311713D2A3F3A267A820A1C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
- Size 79B
- SHA256 d274f139edafb52c95d28f581fcb16d53748bf661a34f8e582ebfb0e68f10402
- MD5 2e86b4d50560206bb4f20994c187c00e
- SHA1 5b17e95e50ed910b2585a3f17a452540eeab2068
- SHA512 291bf1a3b6f0749bc56c3972f671f3023f68a43f7f7129d5d2ae190c10b13e1e4f37a38b41dfba8a47664425b09e039457097b026b91ac96ddfe25f99d21285e
- TLSH T1F7A01249C2219954001029F478483196900B0495336A057760014B0D03480406580521
- MD5 SHA1 SHA512 TLSH