Analysis
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max time kernel
138s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
24-02-2024 01:27
Static task
static1
Behavioral task
behavioral1
Sample
fnuuy.zip
Resource
win7-20240220-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
fnuuy.zip
Resource
win10v2004-20240221-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
fnuuy.zip
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Size
41KB
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MD5
1df9a18b18332f153918030b7b516615
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SHA1
6c42c62696616b72bbfc88a4be4ead57aa7bc503
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SHA256
bbd05de19aa2af1455c0494639215898a15286d9b05073b6c4817fe24b2c36fa
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SHA512
6382ca9c307d66ab7566acf78b1afd44b18b24d766253e1dc1cb3a3c0be96ecf1f2042d6bd3332d49078ffee571cf98869c1284c1d3e5c1c7dc3e4c64f71af80
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SSDEEP
768:hzyVr8GSKL6O3QOXk/0u3wqOghrFCezL1VFJdbq2QTJTw02Q:hGx8DKXE//ZhhCirFi2cwK
Score
1/10
Malware Config
Signatures
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Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{5383EF74-273B-4278-AB0C-CDAA9FD5369E} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000a7dffec3c066da01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\Windows.UI.Immersive.dll,-38304 = "Public Account Pictures" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9925 = "MP3 Format Sound" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9914 = "Windows Media Audio/Video file" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-127 = "OpenDocument Text" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-101 = "Microsoft Excel Worksheet" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit\{4EFE2452-168A-11D1-BC76-00C04FB9453B}\Default MidiOut Device SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mht SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\wmphoto.dll,-500 = "Windows Media Photo" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{A38B883C-1682-497E-97B0-0A3A9E801682} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000fd28c4c2c066da01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@windows.storage.dll,-34583 = "Saved Pictures" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\ieframe.dll,-12385 = "Favorites Bar" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9934 = "AVCHD Video" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\ieframe.dll,-914 = "SVG Document" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-121 = "Microsoft Word 97 - 2003 Template" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Multimedia\ActiveMovie SearchFilterHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{3DBEE9A1-C471-4B95-BBCA-F39310064458} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000003e00dcc2c066da01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-102 = "Microsoft Excel Template" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Multimedia SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\setupapi.dll,-2000 = "Setup Information" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.svg SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-170 = "Microsoft PowerPoint 97-2003 Presentation" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{5985FC23-2588-4D9A-B38B-7E7AFFAB3155} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000158280c3c066da01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9905 = "Video Clip" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@"C:\Windows\system32\windowspowershell\v1.0\powershell.exe",-103 = "Windows PowerShell Script" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows SearchFilterHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{97E467B4-98C6-4F19-9588-161B7773D6F6} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000e90e4cc3c066da01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\ieframe.dll,-24585 = "Cascading Style Sheet Document" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\ieframe.dll,-912 = "HTML Document" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mid\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9912 = "Windows Media Audio file" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-140 = "Microsoft OneNote Section" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@windows.storage.dll,-21825 = "3D Objects" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{C120DE80-FDE4-49F5-A713-E902EF062B8A} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000003344c3c3c066da01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9936 = "QuickTime Movie" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9926 = "M3U file" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{01BE4CFB-129A-452B-A209-F9D40B3B84A5} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000000198fbc4c066da01 SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\MPEG2Demultiplexer SearchFilterHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{AEB16279-B750-48F1-8586-97956060175A} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000008af4d3c3c066da01 SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\zipfldr.dll,-10195 = "Compressed (zipped) Folder" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@"C:\Windows\system32\windowspowershell\v1.0\powershell.exe",-105 = "Windows PowerShell XML Document" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.aiff SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-126 = "Microsoft Word Macro-Enabled Template" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.html\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@windows.storage.dll,-21824 = "Camera Roll" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\cabview.dll,-20 = "Cabinet File" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-182 = "Microsoft PowerPoint Template" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-194 = "Microsoft Excel Add-In" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\ieframe.dll,-10046 = "Internet Shortcut" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-123 = "Microsoft Word Document" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{E2FB4720-F45F-4A3C-8CB2-2060E12425C3} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000c96cabc3c066da01 SearchProtocolHost.exe -
Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: 33 5188 SearchIndexer.exe Token: SeIncBasePriorityPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 5188 SearchIndexer.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5188 wrote to memory of 668 5188 SearchIndexer.exe 101 PID 5188 wrote to memory of 668 5188 SearchIndexer.exe 101 PID 5188 wrote to memory of 6108 5188 SearchIndexer.exe 102 PID 5188 wrote to memory of 6108 5188 SearchIndexer.exe 102
Processes
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\fnuuy.zip1⤵PID:4536
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4596
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C:\Windows\system32\SearchIndexer.exeC:\Windows\system32\SearchIndexer.exe /Embedding1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5188 -
C:\Windows\system32\SearchProtocolHost.exe"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe1_ Global\UsGthrCtrlFltPipeMssGthrPipe1 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"2⤵
- Modifies data under HKEY_USERS
PID:668
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C:\Windows\system32\SearchFilterHost.exe"C:\Windows\system32\SearchFilterHost.exe" 0 804 808 816 8192 812 7882⤵
- Modifies data under HKEY_USERS
PID:6108
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