General
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Target
185rms.txt
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Size
2.8MB
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Sample
220626-fxxa8agecl
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MD5
6cfceeb676d49151e8c2fec9c4209789
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SHA1
42c87894f183c3612e1662f531003bbe7478f875
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SHA256
a2fad2958e6dd09d0d980d4e5d158c2a2eb18963d47fc95779c22bc2d203cb8e
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SHA512
a371d0b6f4bed336e01b6025cc584f27f939f0fea9f92e36aa63295164e31eebccf24cdae24e04fcbdb0545169454d3b9944630c2cfde49dd8681496005cac89
Static task
static1
Behavioral task
behavioral1
Sample
185rms.exe
Resource
win7-20220414-en
Malware Config
Extracted
remcos
RH1
185.29.9.125:2404
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audio_folder
MicRecords
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audio_path
%AppData%
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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
itunes.exe
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copy_folder
RMS
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delete_file
true
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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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install_path
%AppData%
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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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keylog_path
%AppData%
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mouse_option
false
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mutex
Jd1985-XODZWD
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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
Rms
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take_screenshot_option
false
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take_screenshot_time
5
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take_screenshot_title
notepad;solitaire;
Targets
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Target
185rms.txt
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Size
2.8MB
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MD5
6cfceeb676d49151e8c2fec9c4209789
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SHA1
42c87894f183c3612e1662f531003bbe7478f875
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SHA256
a2fad2958e6dd09d0d980d4e5d158c2a2eb18963d47fc95779c22bc2d203cb8e
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SHA512
a371d0b6f4bed336e01b6025cc584f27f939f0fea9f92e36aa63295164e31eebccf24cdae24e04fcbdb0545169454d3b9944630c2cfde49dd8681496005cac89
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Executes dropped EXE
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Loads dropped DLL
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Adds Run key to start application
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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