Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2023, 01:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1fa486251f3050ca39911b5865623a50_JC.exe
Resource
win7-20230831-en
windows7-x64
8 signatures
150 seconds
General
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Target
1fa486251f3050ca39911b5865623a50_JC.exe
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Size
314KB
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MD5
1fa486251f3050ca39911b5865623a50
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SHA1
e96368fe0b7849d962412217a0669b6faf2b499d
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SHA256
3b5a7d4a5ed6de93a94dc20189c4e615ccb70a583cc0b3eafb6dc81f40b91ed7
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SHA512
1381c72b8b9cfcc210f08b5d02d092917abd2e2fd21ceb3ac252ba75ed3aab4a3b6fa07f836c5230a57703884f4edb814578a325dcb7f4adc2236fb79b6aa9a7
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SSDEEP
6144:+Elo71S+PeO9ybuVVY08f+q9ynEDRE7h/FsmUHUdDWZXCrjI1T25qHgq+:7AoTCuAqknEDuV/FHTdvCMo+
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 860 245C.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\AcroRd32Info.exe 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIDE.dll 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\logsession.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\adal.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OLKFSTUB.DLL 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\adoberfp.dll 245C.tmp File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOLoader.dll 245C.tmp File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\EBWebView\x86\EmbeddedBrowserWebView.dll 245C.tmp File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate\1.3.177.11\MicrosoftEdgeUpdateCore.exe 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso40UIwin32client.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Portal\PortalConnectCore.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msmdlocal.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\concrt140.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONLNTCOMLIB.DLL 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSCLT.DLL 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ExtendScript.dll 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\PPKLite.api 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\concrt140.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\IEAWSDC.DLL 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONBttnIE.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\concrt140.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\mfc140.dll 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\MCIMPP.mpp 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso20win32client.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONBttnIELinkedNotes.dll 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.dll 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Accessibility.api 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\QuickTime.mpp 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\Interceptor.dll 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ACE.dll 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\cryptocme.dll 245C.tmp File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\goopdate.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\ADALPREVIOUS.DLL 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\sqlite.dll 245C.tmp File created C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroPDF.dll 245C.tmp File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VC\msdia90.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOXMLMF.DLL 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\msvcr120.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\BIN\FPSRVUTL.DLL 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\mfc140u.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHEV.DLL 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\EScript.api 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe 245C.tmp File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\nppdf32.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSSUPP.DLL 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\WindowsMedia.mpp 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\xmsrv.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\PPSLAX.DLL 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\VVIEWDWG.DLL 245C.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOIDCLIL.DLL 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOSB.DLL 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NAME.DLL 245C.tmp File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe 245C.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\AcroForm.api 245C.tmp File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jucheck.exe 245C.tmp File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate\1.3.177.11\msedgeupdate.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\msoshext.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msolui.dll 245C.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MeetingJoinAxOC.dll 245C.tmp -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4040 1fa486251f3050ca39911b5865623a50_JC.exe 4040 1fa486251f3050ca39911b5865623a50_JC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4040 wrote to memory of 860 4040 1fa486251f3050ca39911b5865623a50_JC.exe 82 PID 4040 wrote to memory of 860 4040 1fa486251f3050ca39911b5865623a50_JC.exe 82 PID 4040 wrote to memory of 860 4040 1fa486251f3050ca39911b5865623a50_JC.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\1fa486251f3050ca39911b5865623a50_JC.exe"C:\Users\Admin\AppData\Local\Temp\1fa486251f3050ca39911b5865623a50_JC.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Users\Admin\AppData\Local\Temp\245C.tmpC:\Users\Admin\AppData\Local\Temp\245C.tmp2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:860
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Network
MITRE ATT&CK Enterprise v15
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