Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08/05/2024, 21:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
545481c4ed3c09558e861536d8e825d0_NEIKI.exe
Resource
win7-20240508-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
545481c4ed3c09558e861536d8e825d0_NEIKI.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
545481c4ed3c09558e861536d8e825d0_NEIKI.exe
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Size
847KB
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MD5
545481c4ed3c09558e861536d8e825d0
-
SHA1
3276fec1f0fa96b9e4789146048448d486ef37b9
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SHA256
1d5eaa309ea7644338606aeacd627e6e90cc0d0a1f3043e635c61a48c0e46a70
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SHA512
f587f916ba50a0a13eed46b5343ccfb7e1c1c55da1c300b8286b6429ddd55f8a209505dad8b835e11c55fcccd7615cd546363ccacd78de27d83e81048b376cb7
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SSDEEP
24576:p1bRVqnr3NjBBcGUOb4LG1WJgj0acJOq0WiV:pPSNx4Li95Pq0t
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe sIRC4.exe" 545481c4ed3c09558e861536d8e825d0_NEIKI.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File created C:\Windows\SysWOW64\sIRC4.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\sIRC4.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\extcheck.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\javac.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\TabTip.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\elevation_service.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXA8E4.tmp 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\javadoc.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\ieinstal.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\idlj.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\MavInject32.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\createdump.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\notification_helper.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\chrome.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\ieinstal.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\appletviewer.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\jarsigner.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\java-rmi.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\xdccPrograms\7zFM.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\xdccPrograms\MavInject32.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\InputPersonalization.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\chrmstp.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\jar.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\LICLUA.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\OSE.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\setup.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\jar.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\setup.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\master_prefere.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXA8D3.tmp 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXA8E3.tmp 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\TabTip.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\ExtExport.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\iexplore.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\appletviewer.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXA905.tmp 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\dotnet.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\ielowutil.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\idlj.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\jarsigner.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\java.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\xdccPrograms\7z.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\7zFM.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\jabswitch.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\javac.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\7z.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\notification_helper.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\ExtExport.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe File created C:\Windows\SysWOW64\DC++ Share\ielowutil.exe 545481c4ed3c09558e861536d8e825d0_NEIKI.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
930KB
MD5c36d6e47b8c380cf001919a503c1cd79
SHA1688715cff1b44f5b7f1beaa21bcc9e430387c298
SHA256613f454bb3efafd00904607438f6a960db29cb7a34cef00dd747da6e1e0d7e0a
SHA5127b157c2cf86056086dbfff0349c815fa91778f63cb7cb080d70a677566471c4c2aa94bac2cada8ccbda7a37063e220b0a5e4ecd0b385901015e9361f54f8a094