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Analysis
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max time kernel
144s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
12/10/2022, 11:41
Static task
static1
Behavioral task
behavioral1
Sample
3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
General
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Target
3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe
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Size
8.4MB
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MD5
a1539266fdc1e363aa9f9d3c31426499
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SHA1
703a66f96ef0f6073c19b204d67474e766590f0c
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SHA256
3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3
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SHA512
1260b5735bac6a22a3f876b45c5019d706b4614988ccae8f246da04af305dca762add38da70dd392899769c520f2899ff0a0b7eaab7441f0439a968b194994ff
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SSDEEP
98304:ZLu1g9ZGlWrfTZmHqXE9ssD/QjI+1ozfLu1TIRtUOV5ZK3psErUtgKpjF:Zd9JTZksaJ+1orTRt23psErUtjp
Score
9/10
Malware Config
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaspersky.exe 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaspersky.exe 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.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\SpeechEngines\Microsoft\TTS20\MSTTSEngine.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\ITIRCL55.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\penkor.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\penusa.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEES.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MUOPTIN.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\OFFREL.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\OPHPROXY.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\MSInfo\msinfo32.exe 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.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 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msadomd.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\8.0\x86\vsta_ep32.exe 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEEXCH.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Web Server Extensions\14\BIN\FPSRVUTL.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msjro.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroPDF.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1STAR.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA7\VBE7.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VC\msdia100.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\template.exe 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\imjplm.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEODEXL.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\1033\VSTOInstallerUI.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\FLTLDR.EXE 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\InkDiv.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\mshwgst.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\FREN\MSB1FREN.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\System\MSMAPI\1033\MSMAPI32.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\EURO\MSOEURO.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\InkObj.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEODTXT.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\8.0\x86\VSTARemotingServer.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSOXMLMF.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEREP.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TextConv\WPEQU532.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VC\msdia90.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\HostSideAdapters\Microsoft.VisualStudio.Tools.Office.HostAdapter.v10.0.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\WTSP61MS.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Updater6\Adobe_Updater.exe 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSOICONS.EXE 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\pipanel.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\rtscom.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.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 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msado15.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\2052\hxdsui.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA7\1033\VBE7INTL.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSLoc.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\Adobe AIR Updater.exe 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\RICHED20.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.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 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSDecWrp.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\micaut.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACECORE.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1CORE.DLL 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\AddInViews\Microsoft.VisualStudio.Tools.Applications.Runtime.v10.0.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaprst.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaremr.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\1049\hxdsui.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadco.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\1.0\Microsoft.Ink.dll 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2004 vssadmin.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe Token: SeDebugPrivilege 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe Token: SeBackupPrivilege 2028 vssvc.exe Token: SeRestorePrivilege 2028 vssvc.exe Token: SeAuditPrivilege 2028 vssvc.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1644 wrote to memory of 1076 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 28 PID 1644 wrote to memory of 1076 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 28 PID 1644 wrote to memory of 1076 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 28 PID 1644 wrote to memory of 1076 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 28 PID 1076 wrote to memory of 2004 1076 cmd.exe 30 PID 1076 wrote to memory of 2004 1076 cmd.exe 30 PID 1076 wrote to memory of 2004 1076 cmd.exe 30 PID 1076 wrote to memory of 2004 1076 cmd.exe 30 PID 1644 wrote to memory of 1280 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 32 PID 1644 wrote to memory of 1280 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 32 PID 1644 wrote to memory of 1280 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 32 PID 1644 wrote to memory of 1280 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 32 PID 1644 wrote to memory of 1444 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 34 PID 1644 wrote to memory of 1444 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 34 PID 1644 wrote to memory of 1444 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 34 PID 1644 wrote to memory of 1444 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 34 PID 1644 wrote to memory of 776 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 36 PID 1644 wrote to memory of 776 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 36 PID 1644 wrote to memory of 776 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 36 PID 1644 wrote to memory of 776 1644 3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe"C:\Users\Admin\AppData\Local\Temp\3a4727511ff716d762e6ff9d53375a41595be6ee3f6180774f016cabd8c432e3.exe"1⤵
- Drops startup file
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete2⤵
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2004
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf2⤵
- Drops autorun.inf file
PID:1280
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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:1444
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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:776
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2028
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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