Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25/04/2024, 03:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe
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Size
7.5MB
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MD5
e906e590e6910c505f359cd735f7916b
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SHA1
7c9300572d1313999ea5b1072c70448955dcbf70
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SHA256
c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f
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SHA512
eb35ce01b74ea6036a50554e70c222e1d1736ca2b894df7626488bce6e954da2118b81f3ceb9ecb3056e07e43ccf9178cf927bbd1704840ffcc54f7a60175321
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SSDEEP
196608:8703bZS02BdC1qAgaR1rCNPMijndtAVuUnm:8kSZdmWaKNPpjdSVut
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" c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\DC++ Share\idlj.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXE810.tmp c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\elevation_service.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\notification_helper.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\iexplore.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\appletviewer.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\setup.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\master_prefere.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\idlj.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\javac.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\javadoc.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\xdccPrograms\7z.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\LICLUA.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\dotnet.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\chrome.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\jar.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\xdccPrograms\7zG.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\setup.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\iexplore.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\jarsigner.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\javac.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\sIRC4.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\InputPersonalization.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\TabTip.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\ieinstal.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXE88F.tmp c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\chrmstp.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\ielowutil.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXE772.tmp c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\extcheck.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\jabswitch.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\extcheck.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\jar.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\mip.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\mip.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\msinfo32.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\dotnet.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\ExtExport.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\javadoc.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\chrmstp.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXE7A2.tmp c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\msinfo32.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\java-rmi.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\xdccPrograms\MavInject32.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\createdump.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\appletviewer.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File created C:\Windows\SysWOW64\DC++ Share\jarsigner.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2496 c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe 2496 c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe"C:\Users\Admin\AppData\Local\Temp\c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.9MB
MD530ea7b82db29e03c7b8160c76eadf2ac
SHA14df1728fa0d515d4b680408bd933a6aa91685a78
SHA256fa84eb5ccbdeb6c89dd8872dc2cb56b247a3eeca9e03ffdecb075c1399979939
SHA512f7712bb6ffa51f22f73edb4a392a6018ac1290676630fa1fc37c06e23def5373d4b26769138a960c0dc5cc1a5654b7297d3054f856f99c545c457d95a8738f0d
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Filesize
7.5MB
MD5e906e590e6910c505f359cd735f7916b
SHA17c9300572d1313999ea5b1072c70448955dcbf70
SHA256c64797acd38ba71039f3f16654d25f39eef78a7640e9a03fb7b4d0efdd3d257f
SHA512eb35ce01b74ea6036a50554e70c222e1d1736ca2b894df7626488bce6e954da2118b81f3ceb9ecb3056e07e43ccf9178cf927bbd1704840ffcc54f7a60175321