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General
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Target
Nursultan.exe
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Size
16.7MB
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Sample
240113-svmefsbedp
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MD5
eab2c03bac785b39aa5b922228e545d7
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SHA1
d448d04b5279adc89526fbc629f3554294c25e09
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SHA256
769827f1fb8e32c008c44e92d979c9a50aaf10d03630200d328ee638ab0d0490
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SHA512
1918307a459896071a3de825a583d1c8a0fa36a11e4fe7fcd8670d53b409f3f2d7d392234d48208bf134790a1219fb070d8bc729c5d54678231bbc49dd7713e2
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SSDEEP
393216:GvXteZKqGoyEQlSAVOfIXT9lDViRtKsIEQ3MCLaK:GvXtyKq5+SAMfCZiPNIEQcCL
Static task
static1
Behavioral task
behavioral1
Sample
Nursultan.exe
Resource
win7-20231215-en
Malware Config
Extracted
remcos
1.7 Pro
Host
shall-someone.gl.at.ply.gg:60408
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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
true
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hide_keylog_file
true
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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
vindevs
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_kixjmsbwpikjkoa
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screenshot_crypt
true
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screenshot_flag
true
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
60
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startup_value
Dlscord
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
njrat
0.7d
HacKed
hakim32.ddns.net:2000
dead-reviewer.gl.at.ply.gg:60161
90319c19387bbc36810cf2f727f01c05
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reg_key
90319c19387bbc36810cf2f727f01c05
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splitter
|'|'|
Targets
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Target
Nursultan.exe
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Size
16.7MB
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MD5
eab2c03bac785b39aa5b922228e545d7
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SHA1
d448d04b5279adc89526fbc629f3554294c25e09
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SHA256
769827f1fb8e32c008c44e92d979c9a50aaf10d03630200d328ee638ab0d0490
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SHA512
1918307a459896071a3de825a583d1c8a0fa36a11e4fe7fcd8670d53b409f3f2d7d392234d48208bf134790a1219fb070d8bc729c5d54678231bbc49dd7713e2
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SSDEEP
393216:GvXteZKqGoyEQlSAVOfIXT9lDViRtKsIEQ3MCLaK:GvXtyKq5+SAMfCZiPNIEQcCL
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Modifies WinLogon for persistence
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Adds policy Run key to start application
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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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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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
2Winlogon Helper DLL
2Create or Modify System Process
2Windows Service
2