General
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Target
7efd9de26a438503b6d0bc112ed76e29db45c3341b4b82ad81556c6218ca37cd
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Size
136KB
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Sample
240314-zv1qeafb3x
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MD5
b2232a781127819d4b424924bc07ad8d
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SHA1
3635c05508b6d1deaf1fac2f3339ded446f84096
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SHA256
7efd9de26a438503b6d0bc112ed76e29db45c3341b4b82ad81556c6218ca37cd
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SHA512
5aa987d546741d0519903a78aa39932579f2a7a70d35764d770e46824ab80fb79d13780c4c2e9864faf49bcfd3c4ac665bb4bdb0a9466acda6a4bafa36ad8973
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SSDEEP
1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKU:xPd4n/M+WLcilrpgGH/GwY87mVmIXha
Static task
static1
Behavioral task
behavioral1
Sample
7efd9de26a438503b6d0bc112ed76e29db45c3341b4b82ad81556c6218ca37cd.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
7efd9de26a438503b6d0bc112ed76e29db45c3341b4b82ad81556c6218ca37cd.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
7efd9de26a438503b6d0bc112ed76e29db45c3341b4b82ad81556c6218ca37cd
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Size
136KB
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MD5
b2232a781127819d4b424924bc07ad8d
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SHA1
3635c05508b6d1deaf1fac2f3339ded446f84096
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SHA256
7efd9de26a438503b6d0bc112ed76e29db45c3341b4b82ad81556c6218ca37cd
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SHA512
5aa987d546741d0519903a78aa39932579f2a7a70d35764d770e46824ab80fb79d13780c4c2e9864faf49bcfd3c4ac665bb4bdb0a9466acda6a4bafa36ad8973
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SSDEEP
1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKU:xPd4n/M+WLcilrpgGH/GwY87mVmIXha
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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