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Resubmissions
20/09/2023, 19:30
230920-x7vc2scc68 7Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2023, 19:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b09fabb5712dcbdc5517ca296ecc75a60af405b07db3075883da95475cc99bef.dll
Resource
win7-20230831-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
b09fabb5712dcbdc5517ca296ecc75a60af405b07db3075883da95475cc99bef.dll
Resource
win10v2004-20230915-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
b09fabb5712dcbdc5517ca296ecc75a60af405b07db3075883da95475cc99bef.dll
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Size
2.6MB
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MD5
a87dd9d9a1c9cee0ec165e1432e4fae0
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SHA1
b17ece59d23c6ebc4f60153a272950a8d7544299
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SHA256
b09fabb5712dcbdc5517ca296ecc75a60af405b07db3075883da95475cc99bef
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SHA512
bb26c787041170d6c209515a65990789b5f4f6ef956fc65533fcb4c13697cf03225ed74664b87155efda9e39e60103d89ddad9713e1cbe8a150e1db256074e65
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SSDEEP
49152:VHIWOwzuvRvY+q8aj9PgRdHkWvyAfrEpXhEQTZ1lsc07PMNw/hICBSBISSIeqC3F:tP4Rv749PgBv/fm2UC3QGK7rOGci
Score
7/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2196 C30.tmp -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\mfc140u.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOIDCLIL.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msmgdsrv.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONBttnIE.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso98win32client.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Portal\PortalConnectCore.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\xmsrv.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NPSPWRAP.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONLNTCOMLIB.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\MSVCR110.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\msvcr120.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\ADAL.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\ONNXRuntime-0.5.X.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\BIN\FPWEC.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\concrt140.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso50win32client.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\JitV.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOSB.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NAME.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\concrt140.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\concrt140.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSO.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\BIN\FPSRVUTL.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\mfc140u.dll C30.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msolap.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\Interceptor.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NAMEEXT.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso40UIwin32client.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msmdlocal.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msolui.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\GROOVEEX.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\VVIEWER.DLL C30.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Csi.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\msoshext.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\mfc140u.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OCHelper.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\VVIEWDWG.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\msvcr120.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\PPSLAX.DLL C30.tmp File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSSUPP.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\mfc140.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso20win32client.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\adal.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\dbghelp.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\IEAWSDC.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OLKFSTUB.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONBttnIELinkedNotes.dll C30.tmp File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\mfc140u.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\URLREDIR.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\msvcr120.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSCLT.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOXMLMF.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHEV.DLL C30.tmp File opened for modification C:\Program Files\7-Zip\7zCon.sfx C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\ADALPREVIOUS.DLL C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MeetingJoinAxOC.dll C30.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\STSCOPY.DLL C30.tmp File opened for modification C:\Program Files\7-Zip\7z.sfx C30.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2824 rundll32.exe 2824 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3000 wrote to memory of 2824 3000 rundll32.exe 84 PID 3000 wrote to memory of 2824 3000 rundll32.exe 84 PID 3000 wrote to memory of 2824 3000 rundll32.exe 84 PID 2824 wrote to memory of 2196 2824 rundll32.exe 88 PID 2824 wrote to memory of 2196 2824 rundll32.exe 88 PID 2824 wrote to memory of 2196 2824 rundll32.exe 88
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b09fabb5712dcbdc5517ca296ecc75a60af405b07db3075883da95475cc99bef.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b09fabb5712dcbdc5517ca296ecc75a60af405b07db3075883da95475cc99bef.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Users\Admin\AppData\Local\Temp\C30.tmpC:\Users\Admin\AppData\Local\Temp\C30.tmp3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:2196
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666