Analysis Overview
SHA256
f65a6c0437aec13cc840e6f957cc81bf7fe91c0d2970c6c079ebb9fffec67a13
Threat Level: Known bad
The file c8a46327ca3a8a0a5db01c32ba508f20.zip was found to be: Known bad.
Malicious Activity Summary
Expiro, m0yv
Expiro payload
Disables taskbar notifications via registry modification
Executes dropped EXE
Windows security modification
Enumerates connected drives
Checks installed software on the system
Drops file in System32 directory
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious behavior: LoadsDriver
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Suspicious use of WriteProcessMemory
System policy modification
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 06:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 06:07
Reported
2024-08-31 06:10
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
126s
Command Line
Signatures
Expiro, m0yv
Expiro payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Disables taskbar notifications via registry modification
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\alg.exe | N/A |
| N/A | N/A | C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe | N/A |
| N/A | N/A | C:\Windows\system32\fxssvc.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\elevation_service.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe | N/A |
| N/A | N/A | C:\Windows\System32\msdtc.exe | N/A |
| N/A | N/A | C:\Windows\system32\msiexec.exe | N/A |
| N/A | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\Svc\S-1-5-21-656926755-4116854191-210765258-1000\EnableNotifications = "0" | C:\Windows\System32\alg.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\Svc\S-1-5-21-656926755-4116854191-210765258-1000 | C:\Windows\System32\alg.exe | N/A |
Checks installed software on the system
Enumerates connected drives
Drops file in System32 directory
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\microsoft.net\framework64\v3.0\wpf\presentationfontcache.exe | C:\Users\Admin\AppData\Local\Temp\a993b8b9658d2639469658237a8139d10ac282e8e5776e35d5e6ebc762af9625.exe | N/A |
| File opened for modification | \??\c:\windows\microsoft.net\framework64\v3.0\wpf\presentationfontcache.exe | C:\Windows\System32\alg.exe | N/A |
| File opened for modification | C:\Windows\DtcInstall.log | C:\Windows\System32\msdtc.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a993b8b9658d2639469658237a8139d10ac282e8e5776e35d5e6ebc762af9625.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mht | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@fxsresm.dll,-1134 = "Microsoft Routing Extension" | C:\Windows\system32\fxssvc.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-8 = "Microsoft Malayalam to Latin Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{01BE4CFB-129A-452B-A209-F9D40B3B84A5} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000006583774a6cfbda01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\notepad.exe,-469 = "Text Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.xht | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@fxsresm.dll,-1131 = "Route through e-mail" | C:\Windows\system32\fxssvc.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@fxsresm.dll,-1133 = "Print" | C:\Windows\system32\fxssvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{F81B1B56-7613-4EE4-BC05-1FAB5DE5C07E} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000b0af024a6cfbda01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-121 = "Microsoft Word 97 - 2003 Template" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-194 = "Microsoft Excel Add-In" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@fxsresm.dll,-1130 = "Microsoft Modem Device Provider" | C:\Windows\system32\fxssvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\MPEG2Demultiplexer | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{A38B883C-1682-497E-97B0-0A3A9E801682} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000548774486cfbda01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\zipfldr.dll,-10195 = "Compressed (zipped) Folder" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@windows.storage.dll,-21825 = "3D Objects" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\Windows.UI.Immersive.dll,-38304 = "Public Account Pictures" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-174 = "Microsoft PowerPoint Presentation" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9909 = "Windows Media Audio/Video file" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-9 = "Microsoft Bengali to Latin Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-3 = "Microsoft Traditional Chinese to Simplified Chinese Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{3DBEE9A1-C471-4B95-BBCA-F39310064458} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000c64a98486cfbda01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.html\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-24585 = "Cascading Style Sheet Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.svg | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@fxsresm.dll,-1132 = "Store in a folder" | C:\Windows\system32\fxssvc.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9937 = "3GPP Audio/Video" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mhtml | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-914 = "SVG Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{8082C5E6-4C27-48EC-A809-B8E1122E8F97} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000ed0d084c6cfbda01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-184 = "Microsoft PowerPoint Macro-Enabled Design Template" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.svg\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@"C:\Windows\system32\windowspowershell\v1.0\powershell.exe",-105 = "Windows PowerShell XML Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-123 = "Microsoft Word Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Multimedia\ActiveMovie | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-6 = "Microsoft Cyrillic to Latin Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mht\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.xht\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-4 = "Microsoft Simplified Chinese to Traditional Chinese Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9914 = "Windows Media Audio/Video file" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-10 = "Microsoft Hangul Decomposition Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\MPEG2Demultiplexer | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit\{4EFE2452-168A-11D1-BC76-00C04FB9453B}\Default MidiOut Device | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-913 = "MHTML Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-170 = "Microsoft PowerPoint 97-2003 Presentation" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-10046 = "Internet Shortcut" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Common Files\system\wab32res.dll,-10100 = "Contacts" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.html | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\wmphoto.dll,-500 = "Windows Media Photo" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{E2FB4720-F45F-4A3C-8CB2-2060E12425C3} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000004297114c6cfbda01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-140 = "Microsoft OneNote Section" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a993b8b9658d2639469658237a8139d10ac282e8e5776e35d5e6ebc762af9625.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\fxssvc.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\System32\alg.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\msiexec.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1756 wrote to memory of 4820 | N/A | C:\Windows\system32\SearchIndexer.exe | C:\Windows\system32\SearchProtocolHost.exe |
| PID 1756 wrote to memory of 4820 | N/A | C:\Windows\system32\SearchIndexer.exe | C:\Windows\system32\SearchProtocolHost.exe |
| PID 1756 wrote to memory of 2120 | N/A | C:\Windows\system32\SearchIndexer.exe | C:\Windows\system32\SearchFilterHost.exe |
| PID 1756 wrote to memory of 2120 | N/A | C:\Windows\system32\SearchIndexer.exe | C:\Windows\system32\SearchFilterHost.exe |
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer | C:\Windows\System32\alg.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth = "1" | C:\Windows\System32\alg.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a993b8b9658d2639469658237a8139d10ac282e8e5776e35d5e6ebc762af9625.exe
"C:\Users\Admin\AppData\Local\Temp\a993b8b9658d2639469658237a8139d10ac282e8e5776e35d5e6ebc762af9625.exe"
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Windows\System32\alg.exe
C:\Windows\System32\alg.exe
C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe
C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
C:\Windows\system32\fxssvc.exe
C:\Windows\system32\fxssvc.exe
C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\elevation_service.exe"
C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
"C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
C:\Windows\System32\msdtc.exe
C:\Windows\System32\msdtc.exe
C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
C:\Windows\system32\SearchIndexer.exe
C:\Windows\system32\SearchIndexer.exe /Embedding
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"
C:\Windows\system32\SearchFilterHost.exe
"C:\Windows\system32\SearchFilterHost.exe" 0 804 808 816 8192 812 788
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/2328-0-0x00000000006DA000-0x000000000076D000-memory.dmp
memory/2328-1-0x0000000000670000-0x000000000076D000-memory.dmp
memory/2328-2-0x00000000006DA000-0x000000000076D000-memory.dmp
memory/2328-4-0x0000000000670000-0x000000000076D000-memory.dmp
memory/2328-5-0x0000000000670000-0x000000000076D000-memory.dmp
C:\Users\Admin\AppData\Local\pdorddlq\mdqainph.tmp
| MD5 | d67ebcdb6fb579aacb66a3fbcada08e9 |
| SHA1 | 1b32a0af7c15a9d67cfca081cb217d4faaed85d4 |
| SHA256 | 704024eaa2ffa8203b9ee83dbaf4a7b158dc1042ef29bb36e4e2afa99372ad41 |
| SHA512 | 02c1f1c63178700cee27ca0ae4c9deebb90f8d117d7404f945ec1685f6cba76b87be707c692cae949e88cc8fc886169f602644172e4845ef9c52b99dc69b9adf |
C:\Windows\System32\alg.exe
| MD5 | 44ea67931589e79c48675cae5b2e409f |
| SHA1 | 40fc590cb20999741268d61b5139781cd63b8f68 |
| SHA256 | 0c572934e7920f617e08fbcf183aad401f46f05686ba53d5f1b191cf1117be0c |
| SHA512 | 0e2240c8ab28dcc9d47b204793449bdcde69a7fa381dd02a8e008e06ce1eb66dd26725c01d0ddd4d050dcfd43452fd28f789e8e6f05b2fbe60c5318f0376090e |
C:\Windows\System32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe
| MD5 | 0651010b8e5f5107a30c50f1cf01d862 |
| SHA1 | 339d62025126670fa7b4116a58a6b7615a6d5651 |
| SHA256 | 854391a8c791683c5e3266b776a016c3912566114d135792fcc4105384ec6a4c |
| SHA512 | 23c7dea457dfca60efb3c60124101abc0a1b5ae95e22db533797972ea27bb68d3f9e260165b39ec6807fd11277f34f8b7bb0f880fb1818b51a4d60132c8456d3 |
C:\Windows\System32\FXSSVC.exe
| MD5 | fb5f16b4137ab0a10921ce6a2f057126 |
| SHA1 | 1d51f6e394c28754909274944dc16eb6a69649c4 |
| SHA256 | 6e3f6e739cb71d1c306dbb80579e8fe16d56002f53a693dab32214ce8448924f |
| SHA512 | c83357baa3a8583bea742e9bbe40f62eb7e3c746081045c4c528263e9714ea38dfd32483555816a78e0a013aebfb90ef15014966a2604dd2a40aaa705ce0a256 |
C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
| MD5 | 8ccad9b3a36add26463dbd0933819e3c |
| SHA1 | 5b8bf794fd2296a6c417d37de98856e8abd77d64 |
| SHA256 | 64f2b5e882f783e45dc6a64bf000e98fa08658ee91ac32abf1a8489b4c030aef |
| SHA512 | 8456bbeace624145032d3f04840a478b31205b557b6937f0cb4848f04c3b1ef0f8231baf8a27854dae47d405102b03357732da44ed24bec6989a20f528843942 |
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\elevation_service.exe
| MD5 | 9b347e6bf8bd3ffa9e390d454aeb3976 |
| SHA1 | f0960611fe2aadf21352737ba47fbe2ce61cf009 |
| SHA256 | 902230bb653ddd40a9d12c4e523de64e1e5ea33f35cf6c503c5115403da908cc |
| SHA512 | d533cd4eabc20fb948ba505f4f7834bf41342d42a38c3446cfd1a077adc8e4c144939d5ebddb3341e0c1bcdec8a9ba0a11a9cbed85f72edfe9267eec3c56050e |
memory/4160-59-0x0000000140000000-0x0000000140136000-memory.dmp
\??\c:\windows\system32\Appvclient.exe
| MD5 | e183dcf6ba80b74235a8bca5ab4a341c |
| SHA1 | 68eff27418f38cccd6bd36e489cbff773bc9f91b |
| SHA256 | acecc24bd6e088f6f773fc365651f68854fe1bc638a5428b4636f2da71df8c68 |
| SHA512 | 3fad7b435ec6600346fa9ad7e5a85f8b8284940d10dabef0eb285b8935099877c91197905174e8efceae1e2acbff04b6e460f0f4a0a15c9cf7519fd2cd89fc85 |
C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
| MD5 | a9547ed4cfc4e0dec2318f585f9c7345 |
| SHA1 | 2f903679a2faaa16fab41761170ede7dfcf3d77b |
| SHA256 | bf9fc0dab494fe471376df8fde2405e68ff942cb7d0f0f8014887ee2db4ee323 |
| SHA512 | 20f4baef62212fc7ec07f269f09a7a0dac1dd3d784b46272697cecda012939fff5fae7801b42a07e2f01615b272afd53a27160cbe2523f16f2546d31bdd01c8d |
C:\Program Files\Common Files\microsoft shared\Source Engine\cbiocmnd.tmp
| MD5 | c0a3de0c48ed478ce3f422cdbe4ccbf2 |
| SHA1 | 30722b85156a3d3533e8b7423adf8b9ea1736708 |
| SHA256 | b19478813773d34957a2d547b2f905f9e5a128bc7e2e3ad7049c7713b01cda51 |
| SHA512 | cd94ef865dd521076a5332d2abc00f5fa39b9c64decd8e1247ccbe241b245aa867920f15bb8d899d2003ffed0396eae0ed2a8fa3f67e4267a250d6bd91ac1490 |
C:\Windows\System32\msdtc.exe
| MD5 | 001223cd27156051443ec23e7987bbc1 |
| SHA1 | f5a55bbf5fae9edd62abae1e09984a8e15b700cd |
| SHA256 | 64dba0ee4dba236aba84380c314a3e086aff38aca232a31c3fb1d5e9c0124243 |
| SHA512 | 1bca2141bd15a6b7dddef00ee6ec880130dec3788785ef3db2e2f90f61dbfa9d1a8f1346155d22eff0579c04790adc2dfcbfc548b21582d91528bc1a47d7253b |
C:\Windows\system32\msiexec.exe
| MD5 | 6027b9c5a43a34e517fe0ad7d720a501 |
| SHA1 | 29788ea03a6104c734fb85310584c2effdc320c2 |
| SHA256 | 0c24bc377e8f546bcd5bdc60e9e7f20029d7babbd2ac4a4e6e6c2d7faf500434 |
| SHA512 | 42f0b9bdadd6d507476a04c608407106abdc785823a31ab50a0ae61d6577f0ff359e46791a68b6cd79ef006a91a399ddc259037a9cef849c31650c05428563d0 |
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
| MD5 | ad137324736354f5b893b3560d62e854 |
| SHA1 | 2b07050514a1f03f16439e49b0bd70d8edbbd9e4 |
| SHA256 | 482f97620670ce7ee85a3f4e011d7613048a3d138a60d176ac1c0bd1aeec16fa |
| SHA512 | 8c36f79c09784a30c55cb11e45b5595fdd756ea0e07dd3d0d33c2ad48cd7cc0038395fb11d6ede425df90fc5f29bbd8bc7af12e2965692dbfd80487cb4ae9f4d |
C:\Program Files\7-Zip\7z.exe
| MD5 | 548bcdbf9eab7e825053be851fd0c5fe |
| SHA1 | 65d0e164e9477cea7a584031ff004a9cfc5e3022 |
| SHA256 | 2125b76602dff85f02d2cee68d2e037e748ec5089beba52ffeb86d3b14c9988e |
| SHA512 | f984388067355ca0ced63c955b4b18626253a7de8c41b18e022fefc24e8af88495ca340ee81bd1515ca16de959007fddff23a30329e8ece62e6224c9a9e6a1fc |
C:\Program Files\7-Zip\7zFM.exe
| MD5 | f04b5eace639dcb9c1fecf36b355628f |
| SHA1 | 5f83bd6b8bcdb6b0c9a99b2e7a7b42fedfe96909 |
| SHA256 | 4878274fdc82122e4385a2fa2056029b81c26763c58f9524105b40288254392b |
| SHA512 | 4b6add8efa852791066de6e7fad292ab0d68cfb24ab7c645aa9d2e9122c6057ce0d4e578cbaa9256a2e77d9a7ac725eb3b8dfb3fead216446489e48079f655e5 |
C:\Program Files\7-Zip\7zG.exe
| MD5 | 5f34d5fed5ab57a6f2bb9361b506d7f2 |
| SHA1 | fad4b3580438e8f506ec33cb077ba588f164ca64 |
| SHA256 | cb177c803f0395de73e3c371f2e41ea746fe20a2c7a13fbede96f4ea76fe78e5 |
| SHA512 | c355a14e7d5e1d4e7b832c546248561fa88e03998c6d0adfdadd6c207ffe8fd53f2fdc1e2e036c3cf8c58f47608f234c9e4950481bb2237f893e112a81a71703 |
C:\Program Files\7-Zip\Uninstall.exe
| MD5 | 1260f6c29c945c6d9706dc2681fb6f60 |
| SHA1 | 9ce122aa2038cd9eabd9c40d64b9c77713e904c6 |
| SHA256 | 673975f795a6d16d639f7ac00378d23fcbb86f1874dbaf17b4fd07913552c2b4 |
| SHA512 | 16ef2bf114f24ba012c5f09ace4ed95eaf04d65b1093bac8ff67b5cfaf1665199b8005bcfc92f6271c51fa01a7b95e5ea9a19c28e1a2e6d9b481fb8546a7d574 |
C:\Windows\System32\SearchIndexer.exe
| MD5 | d2efdd47face1a1fe6f978b707088dbb |
| SHA1 | 3d8a0f9e7531d35bd5d3f30b6dbb23dd23e86c27 |
| SHA256 | e9b757f870bb25f7e21346dde21943dc2a236f83c5f10b3461b4f3d031920556 |
| SHA512 | dc6831158765d0662d2291af58e844cc02099ad963bf1425517b107e3262ec8164f514318e831d21fc36ef537730ddede471244f5be929f8965eb80004a371f9 |
memory/1756-259-0x0000000002500000-0x0000000002510000-memory.dmp
memory/1756-275-0x0000000002780000-0x0000000002790000-memory.dmp
memory/1756-291-0x0000000006DF0000-0x0000000006DF8000-memory.dmp
memory/1756-300-0x0000000008BC0000-0x0000000008BC8000-memory.dmp
memory/2120-302-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-303-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-304-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-305-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-306-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-307-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-308-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-309-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-310-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-311-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-312-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-313-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-314-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-315-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-316-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-317-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-323-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-324-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-325-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-326-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-327-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-328-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-329-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-330-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-331-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-332-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-333-0x000001475B7F0000-0x000001475B800000-memory.dmp
memory/2120-334-0x000001475B7F0000-0x000001475B800000-memory.dmp
C:\Windows\system32\windowspowershell\v1.0\powershell.exe
| MD5 | 4eb54bea93599d4487bc229ebdac1906 |
| SHA1 | 7ba0fc12859b011cf249ba9e383e261d88f9ff6b |
| SHA256 | 0b517de39d28ae419de93357f65e0e22f932755393e27b2961e179a8c5dec6fc |
| SHA512 | aa91071c65e10b8f07d51a3cfaa0f748bb19f07350161addef82610cab191eff6859620bef96eb87dd9de86ed0e20ea5dbd68ab5ead00bc28c32a258b55a716b |
C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe
| MD5 | ecbe3894fab03dd15a94272adb0f864f |
| SHA1 | 32833193c1cc59b0b19bb54efc96df75595d3832 |
| SHA256 | c5efc1e80b0107fc2a58da465eba7ed1d5d9f2a04d2ae4056f872e719e6d5e1c |
| SHA512 | 3f3507cff13bd093cd6cbc21145489f794cafe2a51bf359d0b9f78585d0c1759bac730541fdc21c2ee14259c93ffdd1da9971250001f7c3a7a0286f3954aba4a |
C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe
| MD5 | 25e8bbf74891bf48c3573c4913464a13 |
| SHA1 | e7b71b6009fd75d2e1b934429a626b36c28ee0e1 |
| SHA256 | f396abae1a8c4cfce0a771911cf66f1c7ef3dde673c2435e2b3b49165d8c2175 |
| SHA512 | a052bfb0ed205249511a18835561d4f6ec5b6d1e0c87c7e60bae885968b5031f4ea4574764f7a6fc681ca64e1eb0bd4906cd9f606e20679368b2e01f814eebb2 |
C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe
| MD5 | 4bfb82077f4f2c6da214a5abc7c77d89 |
| SHA1 | 9e1d4fc4908e28aebb49a7452460a4682fb44b41 |
| SHA256 | 601c7f285d68562824851b53700582eac8b486bc633a1fe4bc165e5b1e12a726 |
| SHA512 | 9684069b76574297f26ca04440cb14f7047dee84d220f74c3260d77edafd40f9d7b1c1ff81445d173b3f1bf71a3d8350cd4f04becae409ffe0df5cb8a177698d |
C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe
| MD5 | 52e6befc8868b6a7b7c055cbd3a620cb |
| SHA1 | a897d590a8ab42c3a67a6d5b6d6fe59b32d2395c |
| SHA256 | 72e9d0ea2008329f3f4b6018d68d875c021b242cd571835e2a983617e809cb2c |
| SHA512 | 2e4c9463d3794c80f33f0a566269faa11342abc4cfe60afea520420e9bea109742284bfa271ac50285e0c6f69c8d7adb0c368665bf75e552da332503764d9334 |
C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe
| MD5 | 2db94bcad48a134d23b0b10e81ae7aa9 |
| SHA1 | e48a3715182e412aab1708b088d95566661bde8b |
| SHA256 | f5d751740fca2af8f00eb8ae4a3f6e57fd8f72c4f608455aa146dd15a5713d17 |
| SHA512 | 5f9597019d25accbd3675e533bb7edaef698ca505f9fb74bcbfe2d1cbf17f84cfd3a399849451bdbf808ffc394b24eaf80c2daa2dbd82f1c510abd9d78c6ceca |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 06:07
Reported
2024-08-31 06:10
Platform
win7-20240708-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Expiro, m0yv
Expiro payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a993b8b9658d2639469658237a8139d10ac282e8e5776e35d5e6ebc762af9625.exe
"C:\Users\Admin\AppData\Local\Temp\a993b8b9658d2639469658237a8139d10ac282e8e5776e35d5e6ebc762af9625.exe"
Network
Files
memory/2172-0-0x000000000041A000-0x00000000004AD000-memory.dmp
memory/2172-1-0x00000000003B0000-0x00000000004AD000-memory.dmp
memory/2172-2-0x000000000041A000-0x00000000004AD000-memory.dmp