Analysis
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max time kernel
146s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
22/04/2024, 10:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2695552ad44cc3e55a6a1e4bb0b721a0cb79e26ad0e8e6f35ed87c7edece8325.dll
Resource
win7-20240220-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
2695552ad44cc3e55a6a1e4bb0b721a0cb79e26ad0e8e6f35ed87c7edece8325.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
2695552ad44cc3e55a6a1e4bb0b721a0cb79e26ad0e8e6f35ed87c7edece8325.dll
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Size
2.6MB
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MD5
55d11494a17a645e3df52ba6c30dd292
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SHA1
9717e2cbebafc5e668c382eb48191b01304b797e
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SHA256
2695552ad44cc3e55a6a1e4bb0b721a0cb79e26ad0e8e6f35ed87c7edece8325
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SHA512
b39a0ca5e805dbd658cef648f2d22089af8d1908aa9796cce9a466b399a5c4ba7fd4d235da40dcc44b33232d7fcf5e78a53a4271fc4dc91aa5453eee49fcbc74
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SSDEEP
49152:Y4rtDy2BA4r5l7JpazTt0rehNoIljSjhTSGIo8Y70tB+NF+z4DV/MulS1:Y4RFb4t0YWIlm2tgF8iV/W
Score
7/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3720 BA38.tmp -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso20win32client.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\concrt140.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\PPSLAX.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\STSCOPY.DLL BA38.tmp File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOIDCLIL.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe BA38.tmp File opened for modification C:\Program Files\7-Zip\Uninstall.exe BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOSB.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSCLT.DLL BA38.tmp File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\URLREDIR.DLL BA38.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\concrt140.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msmgdsrv.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\Interceptor.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\JitV.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\mfc140u.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso50win32client.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso98win32client.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\ONNXRuntime-0.5.X.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msolui.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\xmsrv.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\IEAWSDC.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSSUPP.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\concrt140.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso40UIwin32client.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\MSVCR110.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSO.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\msvcr120.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\VVIEWDWG.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OLKFSTUB.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONBttnIE.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\VVIEWER.DLL BA38.tmp File opened for modification C:\Program Files\7-Zip\7zCon.sfx BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Csi.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOXMLMF.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msolap.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OCHelper.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONLNTCOMLIB.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\mfc140u.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\BIN\FPSRVUTL.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\BIN\FPWEC.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\adal.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\GROOVEEX.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\mfc140u.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\ADAL.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\mfc140u.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NAMEEXT.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NPSPWRAP.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\msvcr120.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHEV.DLL BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONBttnIELinkedNotes.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\concrt140.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\mfc140.dll BA38.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\dbghelp.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso30win32client.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\msoshext.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Portal\PortalConnectCore.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msmdlocal.dll BA38.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MeetingJoinAxOC.dll BA38.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2332 rundll32.exe 2332 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1380 wrote to memory of 2332 1380 rundll32.exe 91 PID 1380 wrote to memory of 2332 1380 rundll32.exe 91 PID 1380 wrote to memory of 2332 1380 rundll32.exe 91 PID 2332 wrote to memory of 3720 2332 rundll32.exe 92 PID 2332 wrote to memory of 3720 2332 rundll32.exe 92 PID 2332 wrote to memory of 3720 2332 rundll32.exe 92
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2695552ad44cc3e55a6a1e4bb0b721a0cb79e26ad0e8e6f35ed87c7edece8325.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2695552ad44cc3e55a6a1e4bb0b721a0cb79e26ad0e8e6f35ed87c7edece8325.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Users\Admin\AppData\Local\Temp\BA38.tmpC:\Users\Admin\AppData\Local\Temp\BA38.tmp3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:3720
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:81⤵PID:2316
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666