General
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Target
4996-37-0x0000000000400000-0x0000000000419000-memory.dmp
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Size
100KB
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Sample
240413-kfpx2afc91
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MD5
f3b7cddc98281485c9bcf40314a8cfa1
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SHA1
a797b03d4f0aa176ac3c31509a612ff07c1a15d7
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SHA256
7baa3ae97c421ab54fa95d3fceca3f11900c7fc04970652400d803da18f22122
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SHA512
5b57a55bd40a4f57222312279989b2398bc472b57a4ca098cdbcc9456b168d9a2fefe54b3fc24ba9fcb1edb9ab60159e6887addda1285184bccb33d76010068a
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SSDEEP
3072:vhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6nrG:vhzOv2fM13jsIFSHNT7P/P6rG
Behavioral task
behavioral1
Sample
4996-37-0x0000000000400000-0x0000000000419000-memory.exe
Resource
win7-20240215-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
4996-37-0x0000000000400000-0x0000000000419000-memory.dmp
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Size
100KB
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MD5
f3b7cddc98281485c9bcf40314a8cfa1
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SHA1
a797b03d4f0aa176ac3c31509a612ff07c1a15d7
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SHA256
7baa3ae97c421ab54fa95d3fceca3f11900c7fc04970652400d803da18f22122
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SHA512
5b57a55bd40a4f57222312279989b2398bc472b57a4ca098cdbcc9456b168d9a2fefe54b3fc24ba9fcb1edb9ab60159e6887addda1285184bccb33d76010068a
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SSDEEP
3072:vhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6nrG:vhzOv2fM13jsIFSHNT7P/P6rG
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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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Deletes itself
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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