General
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Target
http://51.79.49.73/crc/
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Sample
230613-x94phabc44
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://51.79.49.73/crc/
Resource
win10v2004-20230220-en
Malware Config
Extracted
remcos
4.6.0 Light
RemoteHost
192.168.175.1:1800
127.0.0.1:2404
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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-DMP3HT
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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
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
asyncrat
1.0.7
Default
192.168.175.1:1800
DcRatMutex_qwqdanchun
-
delay
1
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install
false
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install_folder
%AppData%
Extracted
remcos
RemoteHost
pops.mastercoa.co:39477
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audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
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keylog_file
logs.dat
-
keylog_flag
false
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keylog_folder
remcos
-
mouse_option
false
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mutex
Rmc-9R6ZTU
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screenshot_crypt
false
-
screenshot_flag
false
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screenshot_folder
Screenshots
-
screenshot_path
%AppData%
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screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
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take_screenshot_time
5
Targets
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Target
http://51.79.49.73/crc/
Score10/10-
Async RAT payload
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Downloads MZ/PE file
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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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Suspicious use of SetThreadContext
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