General
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Target
f23d4cf3e391da8f6a154caee6ba5bf06242bc3591c0848d00546fa5706b6056.exe
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Size
1.1MB
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Sample
241202-t5azvaslhv
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MD5
70a40446480a404cd51389a61910da94
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SHA1
607fa7d17fb197a5de8deab8beb537dc6d19dd5d
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SHA256
f23d4cf3e391da8f6a154caee6ba5bf06242bc3591c0848d00546fa5706b6056
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SHA512
77a5013512f79842f4ab7da66f7dbc07eef2715da178462c85ebf6b3d68f7d126f679f5dcd5a1490e793cb9a65d5c25474b973626838877e438b87c46ba0adb6
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SSDEEP
24576:XTbM8vhEjkGD+JV9SQTOk/t1nkNzE681ZWsxT:+lKJjn1tZkyRbjT
Static task
static1
Behavioral task
behavioral1
Sample
f23d4cf3e391da8f6a154caee6ba5bf06242bc3591c0848d00546fa5706b6056.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f23d4cf3e391da8f6a154caee6ba5bf06242bc3591c0848d00546fa5706b6056.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
103.195.236.227:2728
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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-2OT6B6
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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
f23d4cf3e391da8f6a154caee6ba5bf06242bc3591c0848d00546fa5706b6056.exe
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Size
1.1MB
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MD5
70a40446480a404cd51389a61910da94
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SHA1
607fa7d17fb197a5de8deab8beb537dc6d19dd5d
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SHA256
f23d4cf3e391da8f6a154caee6ba5bf06242bc3591c0848d00546fa5706b6056
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SHA512
77a5013512f79842f4ab7da66f7dbc07eef2715da178462c85ebf6b3d68f7d126f679f5dcd5a1490e793cb9a65d5c25474b973626838877e438b87c46ba0adb6
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SSDEEP
24576:XTbM8vhEjkGD+JV9SQTOk/t1nkNzE681ZWsxT:+lKJjn1tZkyRbjT
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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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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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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
1Persistence
Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1