Analysis
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max time kernel
147s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2023 21:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NEAS.b4fc97f5872b2588cc762c708ff6d440.dll
Resource
win7-20231020-en
windows7-x64
2 signatures
150 seconds
General
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Target
NEAS.b4fc97f5872b2588cc762c708ff6d440.dll
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Size
473KB
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MD5
b4fc97f5872b2588cc762c708ff6d440
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SHA1
da55665328b8f6319a45ba90dcc9506be92c22f9
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SHA256
f5975d1476f404f76e3104b6b65eced6c6f66e0460febf222c4bc84e34c1f8dd
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SHA512
7f7654669ecbd3ee31181e18aed0286d6760bc23352d25d8ab6a04648be17b5791e36a8d8b299acd32f639a443adb7594c4b56b1bd9a1658e0d34058a2b720c9
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SSDEEP
12288:6nWWyJCc3cv6Hjvnhu0t2nTf5Qx7AzqTpv7:6n/yJCcsv6HjfQn9QxqqTl
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1936 FE36.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\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Csi.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHEV.DLL FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\ONBttnIELinkedNotes.dll FE36.tmp File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VC\msdia90.dll FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Annots.api FE36.tmp File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\goopdate.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\mfc140.dll FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\SaveAsRTF.api FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOXMLMF.DLL FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\xmsrv.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\IEAWSDC.DLL FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIDE.dll FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\BIB.dll FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\ReadOutLoud.api FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\GROOVEEX.DLL FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\Interceptor.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\VVIEWER.DLL FE36.tmp File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ExtendScript.dll FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\rt3d.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso40UIwin32client.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\AcroForm.api FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\MakeAccessible.api FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia.api FE36.tmp File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOLoader.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso98win32client.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\dbghelp.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\mfc140u.dll FE36.tmp File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VC\msdia100.dll FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\d3dcompiler_43.dll FE36.tmp File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate\1.3.177.11\MicrosoftEdgeUpdateCore.exe FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\ADALPREVIOUS.DLL FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\msvcr120.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOIDCLIL.DLL FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\BIN\FPSRVUTL.DLL FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\adoberfp.dll FE36.tmp File created C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroPDF.dll FE36.tmp File opened for modification C:\Program Files\7-Zip\7zCon.sfx FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso50win32client.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\BIN\FPWEC.DLL FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOSB.DLL FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Search.api FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\msolui.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\WindowsMedia.mpp FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\SendMail.api FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\concrt140.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Portal\PortalConnectCore.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NAMEEXT.DLL FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSCLT.DLL FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\VVIEWDWG.DLL FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ACE.dll FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\MCIMPP.mpp FE36.tmp File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins3d\drvSOFT.x3d FE36.tmp File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOMessageProvider.dll FE36.tmp File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Mso30win32client.dll FE36.tmp File opened for modification C:\Program Files\Microsoft Office\root\vfs\SystemX86\concrt140.dll FE36.tmp -
Drops file in Windows directory 62 IoCs
description ioc Process File created C:\Windows\Installer\$PatchCache$\Managed\1D5E3C0FEDA1E123187686FED06E995A\10.0.40219\F_CENTRAL_mfc100_x86 FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\Accessibility.api_NON_OPT FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\adobearm.exe.BDCA7721_F290_4124_BBED_7A15FE7694EB FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\drvDX9.x3d FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\EScript.api FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\MCIMPP.mpp FE36.tmp File created C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\SecStoreFile.ico FE36.tmp File created C:\Windows\assembly\GAC_32\System.Data\2.0.0.0__b77a5c561934e089\System.Data.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\Ace.dll_NON_OPT FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\Flash.mpp FE36.tmp File created C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\APIFile_8.ico FE36.tmp File created C:\Windows\Microsoft.NET\assembly\GAC_32\Microsoft.AppV.AppvClientComConsumer\v4.0_10.0.0.0__31bf3856ad364e35\Microsoft.AppV.AppvClientComConsumer.dll FE36.tmp File created C:\Windows\Microsoft.NET\assembly\GAC_32\Microsoft.VisualBasic.Activities.Compiler\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.Activities.Compiler.dll FE36.tmp File created C:\Windows\Microsoft.NET\assembly\GAC_32\napcrypt\v4.0_10.0.0.0__31bf3856ad364e35\NAPCRYPT.DLL FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\acrobroker.exe FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\QuickTime.mpp FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\AcroRd32.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\Bib.dll_NON_OPT FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\logtransport2.exe FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\AcroPDF.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\acrotextextractor.exe FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\libcef.dll.15EE1C08_ED51_465D_B6F3_FB152B1CC435 FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\Multimedia.api_NON_OPT FE36.tmp File created C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\FDFFile_8.ico FE36.tmp File created C:\Windows\Microsoft.NET\assembly\GAC_32\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll FE36.tmp File created C:\Windows\Microsoft.NET\assembly\GAC_32\System.Data.OracleClient\v4.0_4.0.0.0__b77a5c561934e089\System.Data.OracleClient.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\SendMail.api FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\acrocef.exe.15EE1C08_ED51_465D_B6F3_FB152B1CC435 FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\adobearmhelper.exe.BDCA7721_F290_4124_BBED_7A15FE7694EB FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\Annots.api FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\eula.exe FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\F_CENTRAL_vccorlib120_x86.194841A2_D0F2_3B96_9F71_05BA91BEA0FA FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\logsession.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\Search.api FE36.tmp File created C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\PDFFile_8.ico FE36.tmp File created C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\PDXFile_8.ico FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\00006109E70000000100000000F01FEC\16.0.12527\concrt140.dll_x86 FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\F_CENTRAL_msvcr120_x86.194841A2_D0F2_3B96_9F71_05BA91BEA0FA FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\1D5E3C0FEDA1E123187686FED06E995A\10.0.40219\F_CENTRAL_msvcr100_x86 FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\AGM.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\drvSOFT.x3d FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\PPKLite.api FE36.tmp File created C:\Windows\assembly\GAC_32\PresentationCore\3.0.0.0__31bf3856ad364e35\wpfgfx_v0300.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\1D5E3C0FEDA1E123187686FED06E995A\10.0.40219\F_CENTRAL_atl100_x86 FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\AcroForm.api__NON_OPT FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\reader_sl.exe FE36.tmp File created C:\Windows\assembly\GAC_32\System.Data.OracleClient\2.0.0.0__b77a5c561934e089\System.Data.OracleClient.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\adoberfp.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\SaveAsRTF.api_NON_OPT FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\AcroPDFImpl.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\AcroRd32.exe FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\AdobeCollabSync.exe FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\WindowsMedia.mpp FE36.tmp File created C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\SC_Reader.ico FE36.tmp File created C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\XDPFile_8.ico FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\ReadOutLoud.api FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\rt3d.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\1D5E3C0FEDA1E123187686FED06E995A\10.0.40219\F_CENTRAL_mfc100u_x86 FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\nppdf32.dll FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\nppdf32.dll_Apollo FE36.tmp File created C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\sqlite.dll FE36.tmp File created C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\XFDFFile_8.ico FE36.tmp -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3940 wrote to memory of 1068 3940 rundll32.exe 83 PID 3940 wrote to memory of 1068 3940 rundll32.exe 83 PID 3940 wrote to memory of 1068 3940 rundll32.exe 83 PID 1068 wrote to memory of 1936 1068 rundll32.exe 84 PID 1068 wrote to memory of 1936 1068 rundll32.exe 84 PID 1068 wrote to memory of 1936 1068 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b4fc97f5872b2588cc762c708ff6d440.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b4fc97f5872b2588cc762c708ff6d440.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Users\Admin\AppData\Local\Temp\FE36.tmpC:\Users\Admin\AppData\Local\Temp\FE36.tmp3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
PID:1936
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666