General
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Target
cb28d8c9ef455ae65866e284f85b86f5c10da18de7ad2ada6a9510b58517c386
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Size
135KB
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Sample
240411-c94paadd8t
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MD5
16093aa035a9e340a9b8584fdd33cd3a
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SHA1
778f72191c632cdeff09a7f31cfdd91c1517e312
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SHA256
cb28d8c9ef455ae65866e284f85b86f5c10da18de7ad2ada6a9510b58517c386
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SHA512
dfb0e34fb4ba1c5e94e717f7174712661c6ff3d19d77a4d5229b8c402f614619114c622b3c6298802c1cfb260cb31533263dd37696ed211531b671bdb4cdbdbf
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SSDEEP
1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKS:xPd4n/M+WLcilrpgGH/GwY87mVmIXi
Static task
static1
Behavioral task
behavioral1
Sample
cb28d8c9ef455ae65866e284f85b86f5c10da18de7ad2ada6a9510b58517c386.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
cb28d8c9ef455ae65866e284f85b86f5c10da18de7ad2ada6a9510b58517c386.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
remcos
1.7 Pro
Host
systemcontrol.ddns.net:45000
systemcontrol2.ddns.net:45000
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audio_folder
audio
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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
5
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copy_file
OfficeUpgrade.exe
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copy_folder
OfficeUpgrade
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delete_file
false
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hide_file
true
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hide_keylog_file
true
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install_flag
false
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install_path
%AppData%
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keylog_crypt
true
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keylog_file
Upgrader.dat
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keylog_flag
false
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keylog_folder
Upgrader
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keylog_path
%AppData%
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mouse_option
false
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mutex
req_khauflaoyr
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
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startup_value
OfficeUpgrade
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take_screenshot_option
false
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take_screenshot_time
5
Targets
-
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Target
cb28d8c9ef455ae65866e284f85b86f5c10da18de7ad2ada6a9510b58517c386
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Size
135KB
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MD5
16093aa035a9e340a9b8584fdd33cd3a
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SHA1
778f72191c632cdeff09a7f31cfdd91c1517e312
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SHA256
cb28d8c9ef455ae65866e284f85b86f5c10da18de7ad2ada6a9510b58517c386
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SHA512
dfb0e34fb4ba1c5e94e717f7174712661c6ff3d19d77a4d5229b8c402f614619114c622b3c6298802c1cfb260cb31533263dd37696ed211531b671bdb4cdbdbf
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SSDEEP
1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKS:xPd4n/M+WLcilrpgGH/GwY87mVmIXi
Score10/10-
detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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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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Adds Run key to start application
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Suspicious use of SetThreadContext
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