Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2024 18:27
Static task
static1
Behavioral task
behavioral1
Sample
20241125_BAON_19xxxxxx24.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
20241125_BAON_19xxxxxx24.exe
Resource
win10v2004-20241007-en
General
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Target
20241125_BAON_19xxxxxx24.exe
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Size
971KB
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MD5
e83f4f4d3264f7f94ba49c93a110e0de
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SHA1
373d0deb8e94fc157a5815de5bf32d44a38da74f
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SHA256
f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7
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SHA512
65934c2152fb2caa5099b1f8114c46066bde0af98e23996d58b2015a5120a16a3cf9b766ece96b051785c73a31b2fec6e321a2690aa40796ce711910ad09cedc
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SSDEEP
24576:8eXJasfN3LrXZerh5r5R0hpoaxY+G9L4oZV:8cfN3LrQfr5Rupo5CoZV
Malware Config
Extracted
remcos
RemoteHost
yabobo.duckdns.org:6847
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-0VPBW5
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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Suspicious use of SetThreadContext 1 IoCs
Processes:
20241125_BAON_19xxxxxx24.exedescription pid Process procid_target PID 4440 set thread context of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
20241125_BAON_19xxxxxx24.exe20241125_BAON_19xxxxxx24.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20241125_BAON_19xxxxxx24.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20241125_BAON_19xxxxxx24.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
20241125_BAON_19xxxxxx24.exepid Process 2092 20241125_BAON_19xxxxxx24.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
20241125_BAON_19xxxxxx24.exedescription pid Process procid_target PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89 PID 4440 wrote to memory of 2092 4440 20241125_BAON_19xxxxxx24.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\20241125_BAON_19xxxxxx24.exe"C:\Users\Admin\AppData\Local\Temp\20241125_BAON_19xxxxxx24.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Users\Admin\AppData\Local\Temp\20241125_BAON_19xxxxxx24.exe"C:\Users\Admin\AppData\Local\Temp\20241125_BAON_19xxxxxx24.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2092
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD55a2647843fe2380b963d7c4965d3e14b
SHA111c0085681ccba2457ee45dbcfdce04301dd1dff
SHA256f713c357ff61e90eb014972a717941891ff7abb189b9a59fea3c2649ed181813
SHA5128b3f917aa63278782e043593afb591316ac8045af208d9d57f5923519c8bda33a8d555d7e47b98c7965ea02975284fcda6c169dc5388f75a8110f2d381b40d27