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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29/04/2024, 21:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ae1f67f5cd459febf482983c7e9b7128a355b0c1010127be8c9a7be47edb6cdf.dll
Resource
win7-20240221-en
windows7-x64
7 signatures
150 seconds
General
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Target
ae1f67f5cd459febf482983c7e9b7128a355b0c1010127be8c9a7be47edb6cdf.dll
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Size
2.6MB
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MD5
ec0d64fe1e0cff45baf74bb14b119f1c
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SHA1
350f5169a7f7961fbf3818ba6b1c88b827adfc7c
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SHA256
ae1f67f5cd459febf482983c7e9b7128a355b0c1010127be8c9a7be47edb6cdf
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SHA512
2906903bf96b791d987cc99922a57c5b84b6ac0ef007016437d085533f5e749175a09e0d9f9830d466464c22b61f164e025543e7226fe463a3852c87e95ce73b
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SSDEEP
49152:lneGYBBJR+CmxFBEOgEk/ehozZc7rDiOcG1jEpXhEQTZ1lsc07P/7yz1Q3IhjMZ1:5dcmr/NkQozZ8gG1O2gAeor
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5004 3E3.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\adoberfp.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSSUPP.DLL 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\BIN\FPSRVUTL.DLL 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OLKFSTUB.DLL 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Accessibility.api 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\msoshext.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe 3E3.tmp File opened for modification C:\Program Files\7-Zip\7z.sfx 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHEV.DLL 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\cryptocme.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\nppdf32.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso98win32client.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ACE.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\libcef.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\WindowsMedia.mpp 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Portal\PortalConnectCore.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msolui.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\mfc140u.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\mfc140u.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OCHelper.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\MakeAccessible.api 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MeetingJoinAxOC.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSO.DLL 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msmgdsrv.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\xmsrv.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NAME.DLL 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ExtendScript.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Search.api 3E3.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\d3dcompiler_47.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VC\msdia100.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.52\BHO\ie_to_edge_bho.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\VVIEWER.DLL 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia.api 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\msvcr120.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\concrt140.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\JitV.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\concrt140.dll 3E3.tmp File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\PPKLite.api 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOIDCLIL.DLL 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\Interceptor.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\ONNXRuntime-0.5.X.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\mfc140u.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\dbghelp.dll 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\mfc140u.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIDE.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins3d\drvSOFT.x3d 3E3.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.17\MicrosoftEdgeUpdateCore.exe 3E3.tmp File opened for modification C:\Program Files\7-Zip\Uninstall.exe 3E3.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\URLREDIR.DLL 3E3.tmp File created C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroPDFImpl.dll 3E3.tmp File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOLoader.dll 3E3.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3424 rundll32.exe 3424 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4620 wrote to memory of 3424 4620 rundll32.exe 91 PID 4620 wrote to memory of 3424 4620 rundll32.exe 91 PID 4620 wrote to memory of 3424 4620 rundll32.exe 91 PID 3424 wrote to memory of 5004 3424 rundll32.exe 92 PID 3424 wrote to memory of 5004 3424 rundll32.exe 92 PID 3424 wrote to memory of 5004 3424 rundll32.exe 92
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ae1f67f5cd459febf482983c7e9b7128a355b0c1010127be8c9a7be47edb6cdf.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ae1f67f5cd459febf482983c7e9b7128a355b0c1010127be8c9a7be47edb6cdf.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Users\Admin\AppData\Local\Temp\3E3.tmpC:\Users\Admin\AppData\Local\Temp\3E3.tmp3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:5004
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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=3904 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵PID:2180
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
33KB
MD54e16790059f30e5947835f404460631a
SHA1617641e543993d8525e2a0a7e91d5df38b95579e
SHA25668c1e90aedb3cac3b9d96b0ce17a36cb2d865ae7a02da3684a2d3cda58da521e
SHA512eebec18b9d5b82ecca6485c32a8a477c4c92ecb67a7d960c4fe4ae1f805a33a0f8cf8eaffb42b1a3eb01e0238d21b2b2ce141ff20600b85d768c7b5264a56d14
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666