General
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Target
3B84DCE82113710E5AE3F379EBD9FA13.exe
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Size
1.1MB
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Sample
241210-c9affa1mct
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MD5
3b84dce82113710e5ae3f379ebd9fa13
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SHA1
26df2f5f9ba223ce4848586582172c9c20516416
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SHA256
b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4
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SHA512
299ed1e965189ff3d25bd6e12790d93648c0d69959eeab8d5d7c4563c3488764eadf968855782d50d68c98d67a6a63be80828367ec704a102c407ebd7a2fa871
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SSDEEP
24576:wHeZDOyc0wCqMXY1nhtFUSU6xNP1cQYY:wHbLm4ftFzx7c
Static task
static1
Behavioral task
behavioral1
Sample
3B84DCE82113710E5AE3F379EBD9FA13.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
3B84DCE82113710E5AE3F379EBD9FA13.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
45.149.241.204:435
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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-DX92V7
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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
Targets
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Target
3B84DCE82113710E5AE3F379EBD9FA13.exe
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Size
1.1MB
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MD5
3b84dce82113710e5ae3f379ebd9fa13
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SHA1
26df2f5f9ba223ce4848586582172c9c20516416
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SHA256
b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4
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SHA512
299ed1e965189ff3d25bd6e12790d93648c0d69959eeab8d5d7c4563c3488764eadf968855782d50d68c98d67a6a63be80828367ec704a102c407ebd7a2fa871
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SSDEEP
24576:wHeZDOyc0wCqMXY1nhtFUSU6xNP1cQYY:wHbLm4ftFzx7c
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Remcos family
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Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft MailPassView
Password recovery tool for various email clients
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Accesses Microsoft Outlook accounts
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1