General
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Target
b6d5b071308b14539cd81180e8e237040dba77f71aef5711e2c9183ed8081692
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Size
1.9MB
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Sample
250330-zhex6syps3
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MD5
43cb13d13f2590f07d16013ee6bc164d
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SHA1
e66f702be42e38f06a004db0b26be4629a2f79d1
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SHA256
b6d5b071308b14539cd81180e8e237040dba77f71aef5711e2c9183ed8081692
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SHA512
2afcf8eee71c168f562f3c599ea5b880a672f0e6e4439934972d9fd9a01bf4dd967bb600898f0f626440c53d5cb327c873cdfef8487938b854f38a1ae1af451a
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SSDEEP
24576:AD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6jv1:AF+QrFUBgq25eKu6jv1
Static task
static1
Behavioral task
behavioral1
Sample
b6d5b071308b14539cd81180e8e237040dba77f71aef5711e2c9183ed8081692.exe
Resource
win7-20241010-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
b6d5b071308b14539cd81180e8e237040dba77f71aef5711e2c9183ed8081692
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Size
1.9MB
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MD5
43cb13d13f2590f07d16013ee6bc164d
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SHA1
e66f702be42e38f06a004db0b26be4629a2f79d1
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SHA256
b6d5b071308b14539cd81180e8e237040dba77f71aef5711e2c9183ed8081692
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SHA512
2afcf8eee71c168f562f3c599ea5b880a672f0e6e4439934972d9fd9a01bf4dd967bb600898f0f626440c53d5cb327c873cdfef8487938b854f38a1ae1af451a
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SSDEEP
24576:AD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6jv1:AF+QrFUBgq25eKu6jv1
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Remcos family
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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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
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1