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General
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Target
NEAS.1109042c3f41ad8b2b37562004c61130_JC.exe
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Size
1.1MB
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Sample
231104-3tz92aae25
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MD5
1109042c3f41ad8b2b37562004c61130
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SHA1
b198c98a92b13396bf7de61487d61e86bc6a13d4
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SHA256
115eecb607fdaf63fa831cc0ec169c2efa99a31f690ba2d43ebe15c58d958a42
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SHA512
5be01e9d10904fbda94e9d92dd86ffbb7033a77d9d6880f5759cdb04b9b01339728319b61f1d9378423b2ffa513d615385258d546ef0ca8c1b4e9e4edd5145c1
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SSDEEP
12288:OfeDOa9rDeYSorINpj5XqkJD0QrOod7XxlW91RRep+rgRNyA55IxJ2DJ53J/J/Z:FD39v74lfGQrFUspugRNJI2DJ53J/J/Z
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.1109042c3f41ad8b2b37562004c61130_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.1109042c3f41ad8b2b37562004c61130_JC.exe
Resource
win10v2004-20231023-en
Malware Config
Extracted
remcos
1.7 Pro
Host
213.183.58.19:4000
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
5
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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
true
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install_flag
false
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install_path
%AppData%
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keylog_crypt
true
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keylog_file
read.dat
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keylog_flag
false
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keylog_folder
CastC
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_sccafsoidz
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
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startup_value
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
remcos
Host
213.183.58.19:4000
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
5
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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
true
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install_flag
false
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install_path
%AppData%
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keylog_crypt
true
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keylog_file
read.dat
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keylog_flag
false
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keylog_folder
CastC
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_sccafsoidz
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
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startup_value
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Targets
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Target
NEAS.1109042c3f41ad8b2b37562004c61130_JC.exe
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Size
1.1MB
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MD5
1109042c3f41ad8b2b37562004c61130
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SHA1
b198c98a92b13396bf7de61487d61e86bc6a13d4
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SHA256
115eecb607fdaf63fa831cc0ec169c2efa99a31f690ba2d43ebe15c58d958a42
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SHA512
5be01e9d10904fbda94e9d92dd86ffbb7033a77d9d6880f5759cdb04b9b01339728319b61f1d9378423b2ffa513d615385258d546ef0ca8c1b4e9e4edd5145c1
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SSDEEP
12288:OfeDOa9rDeYSorINpj5XqkJD0QrOod7XxlW91RRep+rgRNyA55IxJ2DJ53J/J/Z:FD39v74lfGQrFUspugRNJI2DJ53J/J/Z
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Suspicious use of SetThreadContext
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