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General
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Target
b40deefc4ca51f2995419de278a49f77ff9979b51088bc393ae1fcebc5abfef5
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Size
1.9MB
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Sample
250324-yrd7kaykz4
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MD5
0da0e77164c09ad3dba1c49ee7440154
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SHA1
61f2f7c5eaf0959c51622ebf89ea5e07e5d12f90
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SHA256
b40deefc4ca51f2995419de278a49f77ff9979b51088bc393ae1fcebc5abfef5
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SHA512
98e275667d9184cbeeb556df709bcda97f484d278ba8a6421c87a0b71b079a282e67b9c3fca01a339cf261d4d26996863581e6dc537b61a6711e923812623ff3
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SSDEEP
24576:vD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6z:vF+QrFUBgq25eKu6z
Static task
static1
Behavioral task
behavioral1
Sample
b40deefc4ca51f2995419de278a49f77ff9979b51088bc393ae1fcebc5abfef5.exe
Resource
win7-20240903-en
Malware Config
Extracted
remcos
1.7 Pro
Host
213.183.58.19:4000
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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
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
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
read.dat
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keylog_flag
false
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keylog_folder
CastC
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_sccafsoidz
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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
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Targets
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Target
b40deefc4ca51f2995419de278a49f77ff9979b51088bc393ae1fcebc5abfef5
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Size
1.9MB
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MD5
0da0e77164c09ad3dba1c49ee7440154
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SHA1
61f2f7c5eaf0959c51622ebf89ea5e07e5d12f90
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SHA256
b40deefc4ca51f2995419de278a49f77ff9979b51088bc393ae1fcebc5abfef5
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SHA512
98e275667d9184cbeeb556df709bcda97f484d278ba8a6421c87a0b71b079a282e67b9c3fca01a339cf261d4d26996863581e6dc537b61a6711e923812623ff3
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SSDEEP
24576:vD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6z:vF+QrFUBgq25eKu6z
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Remcos family
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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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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1