General
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Target
58250357e2818257885f8ab3321085c2.exe
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Size
118KB
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Sample
240413-kepwmscd63
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MD5
58250357e2818257885f8ab3321085c2
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SHA1
edec3680ec5558bad5aaed1f8dd1f5f05f8243ca
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SHA256
f8057382d9ad7e73bf3c6a89ab5d523c6c01c90ad5ade386c01b1a4ffcfc0015
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SHA512
d403ca7d62033f49e07ad05a144d59a83b81bede2d98d36284974741e72df56ee0dfbdd1d5ae7eac0587ad128b81f2c50da682b28115230e20e4afff2bf07b0e
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SSDEEP
3072:OVjUCVOwcSlBaTPbfM+6b4UGYTX7LX9MD:AjUWcegDbfMJ+A7j9
Static task
static1
Behavioral task
behavioral1
Sample
58250357e2818257885f8ab3321085c2.exe
Resource
win7-20240221-en
Malware Config
Extracted
remcos
1.7 Pro
Host
185.241.208.113:2404
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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
JavaUpdate.exe
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copy_folder
JavaUpdater
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delete_file
true
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hide_file
true
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hide_keylog_file
false
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install_flag
true
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install_path
%AppData%
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
Java
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_fcstxhoeka
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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
Java Updater
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take_screenshot_option
false
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take_screenshot_time
5
Targets
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Target
58250357e2818257885f8ab3321085c2.exe
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Size
118KB
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MD5
58250357e2818257885f8ab3321085c2
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SHA1
edec3680ec5558bad5aaed1f8dd1f5f05f8243ca
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SHA256
f8057382d9ad7e73bf3c6a89ab5d523c6c01c90ad5ade386c01b1a4ffcfc0015
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SHA512
d403ca7d62033f49e07ad05a144d59a83b81bede2d98d36284974741e72df56ee0dfbdd1d5ae7eac0587ad128b81f2c50da682b28115230e20e4afff2bf07b0e
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SSDEEP
3072:OVjUCVOwcSlBaTPbfM+6b4UGYTX7LX9MD:AjUWcegDbfMJ+A7j9
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Modifies WinLogon for persistence
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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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Modifies WinLogon
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Abuse Elevation Control Mechanism
1Bypass User Account Control
1