General
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Target
7a7d25a7540c0debb1d8a12b3450f4cfae6a9b2aaa8a71a4000243d93be6d18bN.exe
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Size
1.5MB
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Sample
250205-vlwmwaxpfn
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MD5
027523c31bd4e4288d2170296a3521b0
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SHA1
694855bed9bdf7c202431fc238f349d70190e487
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SHA256
7a7d25a7540c0debb1d8a12b3450f4cfae6a9b2aaa8a71a4000243d93be6d18b
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SHA512
05f0e1a2706d239c3e6b74237ac750cc94dbd55bda407cb965d85ccdb116e9f7884a5aefbb750eba56dc1412131081b5cb1cdf8811b0300b32ebdbfb0706dcb6
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SSDEEP
24576:+D39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqk:+F+QrFUBgq25eKq
Static task
static1
Behavioral task
behavioral1
Sample
7a7d25a7540c0debb1d8a12b3450f4cfae6a9b2aaa8a71a4000243d93be6d18bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7a7d25a7540c0debb1d8a12b3450f4cfae6a9b2aaa8a71a4000243d93be6d18bN.exe
Resource
win10v2004-20250129-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
Extracted
remcos
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
7a7d25a7540c0debb1d8a12b3450f4cfae6a9b2aaa8a71a4000243d93be6d18bN.exe
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Size
1.5MB
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MD5
027523c31bd4e4288d2170296a3521b0
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SHA1
694855bed9bdf7c202431fc238f349d70190e487
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SHA256
7a7d25a7540c0debb1d8a12b3450f4cfae6a9b2aaa8a71a4000243d93be6d18b
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SHA512
05f0e1a2706d239c3e6b74237ac750cc94dbd55bda407cb965d85ccdb116e9f7884a5aefbb750eba56dc1412131081b5cb1cdf8811b0300b32ebdbfb0706dcb6
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SSDEEP
24576:+D39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqk:+F+QrFUBgq25eKq
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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