General
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Target
9f3be654b66c0d2f69326d56405f0c97fa726f99f6e1232069effdc0e29e2f29.exe
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Size
1.2MB
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Sample
241125-mrr8mssngs
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MD5
cb211312ecaf139580c6b4fecd6a1e4a
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SHA1
b2ff0aa60240573c2bce78f09cbd765e457a763c
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SHA256
9f3be654b66c0d2f69326d56405f0c97fa726f99f6e1232069effdc0e29e2f29
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SHA512
121f5a01cc6603d1025bd4f48673760764d2f37481592cb81cf6f8c7007f939f05571956c173de36ad8bc5350fefc0c6a6121c1ff283f967a3184edc7e8e21b6
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SSDEEP
24576:RYdgfvzAKzxWCC9vSA6GRdsttHVqowvVpBdlvlOUq:rzAcWFt96ydyQow5dldnq
Static task
static1
Behavioral task
behavioral1
Sample
9f3be654b66c0d2f69326d56405f0c97fa726f99f6e1232069effdc0e29e2f29.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
9f3be654b66c0d2f69326d56405f0c97fa726f99f6e1232069effdc0e29e2f29.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
212.162.149.226:9285
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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
AppUpdate
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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
true
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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-VCJ8ZS
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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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startup_value
AppUpdate
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take_screenshot_option
false
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take_screenshot_time
5
Targets
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Target
9f3be654b66c0d2f69326d56405f0c97fa726f99f6e1232069effdc0e29e2f29.exe
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Size
1.2MB
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MD5
cb211312ecaf139580c6b4fecd6a1e4a
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SHA1
b2ff0aa60240573c2bce78f09cbd765e457a763c
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SHA256
9f3be654b66c0d2f69326d56405f0c97fa726f99f6e1232069effdc0e29e2f29
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SHA512
121f5a01cc6603d1025bd4f48673760764d2f37481592cb81cf6f8c7007f939f05571956c173de36ad8bc5350fefc0c6a6121c1ff283f967a3184edc7e8e21b6
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SSDEEP
24576:RYdgfvzAKzxWCC9vSA6GRdsttHVqowvVpBdlvlOUq:rzAcWFt96ydyQow5dldnq
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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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Executes dropped EXE
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Loads dropped DLL
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Accesses Microsoft Outlook accounts
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Adds Run key to start application
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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
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1