Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
12-11-2024 06:37
General
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Target
Salary Increase Letter_Nov 20244.exe
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Size
1.8MB
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MD5
bff99dbf40860a95a9191ebc79dc1472
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SHA1
ad46a8edc27d43c07f915ba194e91426e1856d8b
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SHA256
4599a9128ac5671a5e3ac44778542f3e67969e1c6f5021279329bf0e45085c62
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SHA512
ffaac70950b6341bcdd1a8e2822c2014d4b4b0f24f9d38c0decbe05a9c2b7bbe4f4ef8ba279badc1c82ad19f45e180cbacede302b30ce445af02568911e3c0e2
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SSDEEP
49152:8PVt/LZeJbInQRav7WTSXjoHRYJQWgRKCM:CTYbInQOKSXjoHRYJn6KCM
Malware Config
Extracted
remcos
RemoteHost
154.216.17.14:2404
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audio_folder
MicRecords
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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-KC5V8F
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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
Remcos is a closed-source remote control and surveillance software.
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Remcos family
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Suspicious use of SetThreadContext 1 IoCs
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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.
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of FindShellTrayWindow 2 IoCs
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Suspicious use of SendNotifyMessage 2 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Salary Increase Letter_Nov 20244.exe"C:\Users\Admin\AppData\Local\Temp\Salary Increase Letter_Nov 20244.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exe"C:\Users\Admin\AppData\Local\Temp\Salary Increase Letter_Nov 20244.exe"2⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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1024KB
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520KB
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520KB
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520KB
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520KB
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520KB