General
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Target
b3a40331524394846d2782f1e52e1410ce1681283f8c715373bab73c84fa30ec
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Size
964KB
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Sample
241115-nhl6pstcma
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MD5
5e0f540fbed81efe0941f8949498c92c
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SHA1
d2712dbb06910cd272d57ca6926f815f23dc2cad
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SHA256
b3a40331524394846d2782f1e52e1410ce1681283f8c715373bab73c84fa30ec
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SHA512
8bdd8fa363883e9243f1266fe7746ad201084303a20c3c74a604587766cf3c89681f940a44b298b7c52b01f389353547031a82936af8898236b5f4214e9f45a6
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SSDEEP
24576:oMyNWpDUsl0uHw8LXqBlxZ1QZNAkvpnFDv0eiV:CmAg0uHyjZaP3frC
Static task
static1
Behavioral task
behavioral1
Sample
b3a40331524394846d2782f1e52e1410ce1681283f8c715373bab73c84fa30ec.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b3a40331524394846d2782f1e52e1410ce1681283f8c715373bab73c84fa30ec.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
103.67.163.218:2298
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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-HLZ36K
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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
-
-
Target
b3a40331524394846d2782f1e52e1410ce1681283f8c715373bab73c84fa30ec
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Size
964KB
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MD5
5e0f540fbed81efe0941f8949498c92c
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SHA1
d2712dbb06910cd272d57ca6926f815f23dc2cad
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SHA256
b3a40331524394846d2782f1e52e1410ce1681283f8c715373bab73c84fa30ec
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SHA512
8bdd8fa363883e9243f1266fe7746ad201084303a20c3c74a604587766cf3c89681f940a44b298b7c52b01f389353547031a82936af8898236b5f4214e9f45a6
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SSDEEP
24576:oMyNWpDUsl0uHw8LXqBlxZ1QZNAkvpnFDv0eiV:CmAg0uHyjZaP3frC
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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