General
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Target
9b4391946e6ef750cd4790bbf6a35a0f2c43d10dd0475827e50946d8eea893b6
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Size
1.0MB
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Sample
241113-pc1yca1lht
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MD5
da64ef3f58dcd1477b91418255568f70
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SHA1
386e418b3d816c00ec25b084a2fc9ad2c009e887
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SHA256
9b4391946e6ef750cd4790bbf6a35a0f2c43d10dd0475827e50946d8eea893b6
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SHA512
d9b443729cd244629c3416d94dae0413e7288e8fc3bb1b74758c46d7efa8265600a7f4c2231918ab434951385d9e54c0fba6c25d04416266d7642bebcec97dd8
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SSDEEP
24576:ug/fo38qzl/vo8VyMKm62wPLOfsbd7384gmRF:xvqzl48AMNGOfs57M4tR
Static task
static1
Behavioral task
behavioral1
Sample
9b4391946e6ef750cd4790bbf6a35a0f2c43d10dd0475827e50946d8eea893b6.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
9b4391946e6ef750cd4790bbf6a35a0f2c43d10dd0475827e50946d8eea893b6.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
81.161.238.174:46098
127.0.0.1:46098
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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-UZGQA3
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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
9b4391946e6ef750cd4790bbf6a35a0f2c43d10dd0475827e50946d8eea893b6
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Size
1.0MB
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MD5
da64ef3f58dcd1477b91418255568f70
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SHA1
386e418b3d816c00ec25b084a2fc9ad2c009e887
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SHA256
9b4391946e6ef750cd4790bbf6a35a0f2c43d10dd0475827e50946d8eea893b6
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SHA512
d9b443729cd244629c3416d94dae0413e7288e8fc3bb1b74758c46d7efa8265600a7f4c2231918ab434951385d9e54c0fba6c25d04416266d7642bebcec97dd8
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SSDEEP
24576:ug/fo38qzl/vo8VyMKm62wPLOfsbd7384gmRF:xvqzl48AMNGOfs57M4tR
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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