General
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Target
fcaa4716a7f8e4a85a36cbad09b39eb8d42e3e8014becd4007ca8d2acf66656b
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Size
7KB
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Sample
241210-bmvmesyjgw
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MD5
75342f5c22e657ee20c97e357d39c892
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SHA1
d3476432b3932b444dcd9d8a4c8307e29f57cc8b
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SHA256
fcaa4716a7f8e4a85a36cbad09b39eb8d42e3e8014becd4007ca8d2acf66656b
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SHA512
c452fe7f5477742bb33e76ad547078deb56e4d075cc2c0d2b3f07684f7d1c463a3520ecdec1e636c5c44cbfd35667007e3791d569dc06bf6224720ef89b09c69
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SSDEEP
192:3YjhIq1qhnTD6f83SgH2AHhNAVLOKMl9zk4rs1qtU6ZkhTzI:3YjhvghnX6fuSm2w/geIMXU6Sh3I
Static task
static1
Behavioral task
behavioral1
Sample
Bunker_STS_pdf.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Bunker_STS_pdf.vbs
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
154.216.18.214:2404
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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
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-AOD6MB
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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
Bunker_STS_pdf.vbs
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Size
13KB
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MD5
d337850be4db2196fbd9b40b714ba227
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SHA1
e43b4b7c792001b7c91bd03471d94f2bc1dbd66f
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SHA256
029802343fbb801604ed9508ebd34ea0eff7873afb6b308f5dfad5db56ac5f8c
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SHA512
4ffb485d2e5dac71db20b6a8b24cf0073600c4f9ac709d9579a45478c3629195d0fda258b447fef8dbd9e77bb4bd4990ffe1113880f542f6136397b4ca135a12
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SSDEEP
384:1DY35T6OmW8azd5vpecmEzqwVqIxJuRoSiZsyvVx:1DYJ+O5vpecmExjSRXZ+
Score10/10-
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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Blocklisted process makes network request
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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