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Analysis
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max time kernel
49s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
17/10/2022, 14:40
Static task
static1
Behavioral task
behavioral1
Sample
ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe
Resource
win7-20220901-en
General
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Target
ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe
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Size
943KB
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MD5
fd80ca0670b116de39cf05e7e727f211
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SHA1
31f6514f133ac264843a05783bfb85674bc54aae
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SHA256
ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27
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SHA512
82170894116cdc09736810a25dde42c70da3a695916659eb82c6c6468a94495fa14e98877f271f5228a22a97de31ed44268a659f991dbb63ef5fcb4fe46e496c
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SSDEEP
12288:lKKKKKuC0i1esXq4cQmmTsG0OzSDWeVJDFUcPXCk3McMyFNJGYBYsY3NvGPiveO2:lKKKKKsxr4cQFTj0OZeVJ904Xppc0
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaspersky.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaspersky.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe -
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 autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\autorun.inf cmd.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\autorun.inf cmd.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\autorun.inf cmd.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdasc.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\Filters\tifffilt.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOInstallerUI.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msador15.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadco.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroPDF64.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\dao360.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\mraut.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadcer.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pencht.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Office.AddInAdapter.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\wab32.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msadox.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroPDF.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\micaut.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\mshwgst.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdaps.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdasqlr.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdaurl.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\HostSideAdapters\Microsoft.VisualStudio.Tools.Office.Excel.HostAdapter.v10.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msader15.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msjro.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jucheck.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\AdobeHunspellPlugin.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\penjpn.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\penusa.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdatl3.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\InkDiv.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VC\msdia100.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Applications.AddInAdapter.v10.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\HostSideAdapters\Microsoft.VisualStudio.Tools.Office.Word.HostAdapter.v10.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\HostSideAdapters\Microsoft.VisualStudio.Tools.Applications.HostAdapter.v10.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOLoaderUI.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaprst.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\tpcps.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Office.Excel.AddInAdapter.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Office.Word.AddInAdapter.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\Contracts\Microsoft.VisualStudio.Tools.Applications.Contract.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadcor.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdarem.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pipanel.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\tiptsf.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\AppInfoDocument\Microsoft.VisualStudio.Tools.Office.AppInfoDocument\Microsoft.VisualStudio.Tools.Office.AppInfoDocument.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\Contracts\Microsoft.VisualStudio.Tools.Office.Contract.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\Contracts\Microsoft.VisualStudio.Tools.Applications.Contract.v10.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\Contracts\Microsoft.VisualStudio.Tools.Office.Contract.v10.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOMessageProvider.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msadomd.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\penkor.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Applications.AddInAdapter.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInViews\Microsoft.Office.Tools.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInViews\Microsoft.VisualStudio.Tools.Applications.Runtime.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msadrh15.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaprsr.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdaorar.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdasql.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaremr.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdaora.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\penchs.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pipres.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadds.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdaenum.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe Token: SeDebugPrivilege 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4992 wrote to memory of 2288 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 83 PID 4992 wrote to memory of 2288 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 83 PID 4992 wrote to memory of 2288 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 83 PID 4992 wrote to memory of 2784 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 85 PID 4992 wrote to memory of 2784 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 85 PID 4992 wrote to memory of 2784 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 85 PID 4992 wrote to memory of 4420 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 87 PID 4992 wrote to memory of 4420 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 87 PID 4992 wrote to memory of 4420 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 87 PID 4992 wrote to memory of 3460 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 89 PID 4992 wrote to memory of 3460 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 89 PID 4992 wrote to memory of 3460 4992 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe"C:\Users\Admin\AppData\Local\Temp\ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe"1⤵
- Checks computer location settings
- Drops startup file
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete2⤵PID:2288
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf2⤵
- Drops autorun.inf file
PID:2784
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf2⤵
- Drops autorun.inf file
PID:4420
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf2⤵
- Drops autorun.inf file
PID:3460
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
37B
MD53883f693b2911e7b9cabaf1d89601ebd
SHA1a733bc5b66e5b7beb1ab54ce430ff16cdb935fcb
SHA256747ea7ec54ee0bc9b637867de0c451df65c840f757988f5a3b6e3fe6c73ab1b6
SHA51241fb0555004f392f2c67fd7675d2aea2a7a28a4f51d92237fdaff2d60624c559a5401335887b66f49a721dff669f8f9bd150fde0afe0845eb366309ca1088a98
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Filesize
65B
MD5fbefa88e6b51c05dd63d97dfdbeb3589
SHA167e09918d878c6615befab5dc9194439027f268d
SHA2563861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1
SHA51258f8c1a64f2eb21be7b96db335d1ade0ce0878566a8386b3689b650132ca28e14761b20fdfe50f2af9915dff2bdd3a5b07f6f3ed082e4e6998ec5f0cd052f12f
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Filesize
65B
MD5fbefa88e6b51c05dd63d97dfdbeb3589
SHA167e09918d878c6615befab5dc9194439027f268d
SHA2563861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1
SHA51258f8c1a64f2eb21be7b96db335d1ade0ce0878566a8386b3689b650132ca28e14761b20fdfe50f2af9915dff2bdd3a5b07f6f3ed082e4e6998ec5f0cd052f12f