Analysis
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max time kernel
175s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 07:01
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20230915-en
General
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Target
WannaCry.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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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 opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8311.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD82FA.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 4424 !WannaDecryptor!.exe 1100 !WannaDecryptor!.exe 4744 !WannaDecryptor!.exe 4864 !WannaDecryptor!.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WannaCry.exe\" /r" WannaCry.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 4 IoCs
pid Process 2772 taskkill.exe 4764 taskkill.exe 636 taskkill.exe 1364 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 1364 taskkill.exe Token: SeDebugPrivilege 2772 taskkill.exe Token: SeDebugPrivilege 4764 taskkill.exe Token: SeDebugPrivilege 636 taskkill.exe Token: SeIncreaseQuotaPrivilege 3200 WMIC.exe Token: SeSecurityPrivilege 3200 WMIC.exe Token: SeTakeOwnershipPrivilege 3200 WMIC.exe Token: SeLoadDriverPrivilege 3200 WMIC.exe Token: SeSystemProfilePrivilege 3200 WMIC.exe Token: SeSystemtimePrivilege 3200 WMIC.exe Token: SeProfSingleProcessPrivilege 3200 WMIC.exe Token: SeIncBasePriorityPrivilege 3200 WMIC.exe Token: SeCreatePagefilePrivilege 3200 WMIC.exe Token: SeBackupPrivilege 3200 WMIC.exe Token: SeRestorePrivilege 3200 WMIC.exe Token: SeShutdownPrivilege 3200 WMIC.exe Token: SeDebugPrivilege 3200 WMIC.exe Token: SeSystemEnvironmentPrivilege 3200 WMIC.exe Token: SeRemoteShutdownPrivilege 3200 WMIC.exe Token: SeUndockPrivilege 3200 WMIC.exe Token: SeManageVolumePrivilege 3200 WMIC.exe Token: 33 3200 WMIC.exe Token: 34 3200 WMIC.exe Token: 35 3200 WMIC.exe Token: 36 3200 WMIC.exe Token: SeIncreaseQuotaPrivilege 3200 WMIC.exe Token: SeSecurityPrivilege 3200 WMIC.exe Token: SeTakeOwnershipPrivilege 3200 WMIC.exe Token: SeLoadDriverPrivilege 3200 WMIC.exe Token: SeSystemProfilePrivilege 3200 WMIC.exe Token: SeSystemtimePrivilege 3200 WMIC.exe Token: SeProfSingleProcessPrivilege 3200 WMIC.exe Token: SeIncBasePriorityPrivilege 3200 WMIC.exe Token: SeCreatePagefilePrivilege 3200 WMIC.exe Token: SeBackupPrivilege 3200 WMIC.exe Token: SeRestorePrivilege 3200 WMIC.exe Token: SeShutdownPrivilege 3200 WMIC.exe Token: SeDebugPrivilege 3200 WMIC.exe Token: SeSystemEnvironmentPrivilege 3200 WMIC.exe Token: SeRemoteShutdownPrivilege 3200 WMIC.exe Token: SeUndockPrivilege 3200 WMIC.exe Token: SeManageVolumePrivilege 3200 WMIC.exe Token: 33 3200 WMIC.exe Token: 34 3200 WMIC.exe Token: 35 3200 WMIC.exe Token: 36 3200 WMIC.exe Token: SeBackupPrivilege 3004 vssvc.exe Token: SeRestorePrivilege 3004 vssvc.exe Token: SeAuditPrivilege 3004 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4424 !WannaDecryptor!.exe 4424 !WannaDecryptor!.exe 1100 !WannaDecryptor!.exe 1100 !WannaDecryptor!.exe 4744 !WannaDecryptor!.exe 4744 !WannaDecryptor!.exe 4864 !WannaDecryptor!.exe 4864 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3960 wrote to memory of 4928 3960 WannaCry.exe 85 PID 3960 wrote to memory of 4928 3960 WannaCry.exe 85 PID 3960 wrote to memory of 4928 3960 WannaCry.exe 85 PID 4928 wrote to memory of 1492 4928 cmd.exe 88 PID 4928 wrote to memory of 1492 4928 cmd.exe 88 PID 4928 wrote to memory of 1492 4928 cmd.exe 88 PID 3960 wrote to memory of 4424 3960 WannaCry.exe 92 PID 3960 wrote to memory of 4424 3960 WannaCry.exe 92 PID 3960 wrote to memory of 4424 3960 WannaCry.exe 92 PID 3960 wrote to memory of 1364 3960 WannaCry.exe 98 PID 3960 wrote to memory of 1364 3960 WannaCry.exe 98 PID 3960 wrote to memory of 1364 3960 WannaCry.exe 98 PID 3960 wrote to memory of 2772 3960 WannaCry.exe 99 PID 3960 wrote to memory of 2772 3960 WannaCry.exe 99 PID 3960 wrote to memory of 2772 3960 WannaCry.exe 99 PID 3960 wrote to memory of 636 3960 WannaCry.exe 105 PID 3960 wrote to memory of 636 3960 WannaCry.exe 105 PID 3960 wrote to memory of 636 3960 WannaCry.exe 105 PID 3960 wrote to memory of 4764 3960 WannaCry.exe 104 PID 3960 wrote to memory of 4764 3960 WannaCry.exe 104 PID 3960 wrote to memory of 4764 3960 WannaCry.exe 104 PID 3960 wrote to memory of 1100 3960 WannaCry.exe 112 PID 3960 wrote to memory of 1100 3960 WannaCry.exe 112 PID 3960 wrote to memory of 1100 3960 WannaCry.exe 112 PID 3960 wrote to memory of 748 3960 WannaCry.exe 113 PID 3960 wrote to memory of 748 3960 WannaCry.exe 113 PID 3960 wrote to memory of 748 3960 WannaCry.exe 113 PID 748 wrote to memory of 4744 748 cmd.exe 115 PID 748 wrote to memory of 4744 748 cmd.exe 115 PID 748 wrote to memory of 4744 748 cmd.exe 115 PID 3960 wrote to memory of 4864 3960 WannaCry.exe 117 PID 3960 wrote to memory of 4864 3960 WannaCry.exe 117 PID 3960 wrote to memory of 4864 3960 WannaCry.exe 117 PID 4744 wrote to memory of 4788 4744 !WannaDecryptor!.exe 118 PID 4744 wrote to memory of 4788 4744 !WannaDecryptor!.exe 118 PID 4744 wrote to memory of 4788 4744 !WannaDecryptor!.exe 118 PID 4788 wrote to memory of 3200 4788 cmd.exe 121 PID 4788 wrote to memory of 3200 4788 cmd.exe 121 PID 4788 wrote to memory of 3200 4788 cmd.exe 121 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3960 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 266961697094167.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1492
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4424
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1364
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2772
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4764
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:636
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1100
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3200
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4864
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3004
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD555a783e82a5317db509b3a9d61b1d6ce
SHA1ed85cfd8b015edb4c764c9b9b17aafe33b991ca2
SHA256ecc68913296ae4907bdc75d3b22b5d1796f1a98c11498c5e435f9fecc071c02c
SHA5120954c02af39d07110c589442a8f4018f75145b6751e01caf87cd0b95197e4ce2b06c8b0ea93d1f473dff5b8295e0f7acccffef0da223db426ea0b0c2166c6193
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
1KB
MD555a783e82a5317db509b3a9d61b1d6ce
SHA1ed85cfd8b015edb4c764c9b9b17aafe33b991ca2
SHA256ecc68913296ae4907bdc75d3b22b5d1796f1a98c11498c5e435f9fecc071c02c
SHA5120954c02af39d07110c589442a8f4018f75145b6751e01caf87cd0b95197e4ce2b06c8b0ea93d1f473dff5b8295e0f7acccffef0da223db426ea0b0c2166c6193
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Filesize
136B
MD566da67452efbbb6960db1132656fe889
SHA11a7c16e361606451ff8ac36134a8ada4922c0610
SHA25652545a37d79b1c226b7e956558079c4a73ee8709fe750c13937e9d481c8aff47
SHA512afa0ef3313ab2d0d8d48f8201ba8e643db6a6018051285b724e86729bcbf7f816d1c27717e320aa5951b201dee93f51b843709d4274263e29f7916b2414de590
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Filesize
136B
MD52c5165425e45b79d729eac70699b3aac
SHA124b506e434f283b8fc2f4d7bd3c430d48a61773c
SHA2561fb2bc960aee4f555fea4a2197d990526e90017a95930b858a9d139e4bb2a56a
SHA51211ac08cb48b6a4eb5222b6bbfca5bf74822d48ae6e050ac7a231dd94718b98584e54754a04d95441f13e99cd2058ae1c0c75fb2bf393d3cc38f546c0c3050ff5
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Filesize
136B
MD54bc1b549614fda4db329c0396d7879ec
SHA1b899ae4b753ad0a22867008ecf33b17a884de714
SHA2566e3b2af05d3c0cdaca4a460402568400ea6ecabb6b0513106d04f0e9a6bbae15
SHA512b5f09aa804788ccfb17618e69f1aac89e1ff32d193c721ce22aca8850fe996772175fc6a8f639f9dde9c19068f01875c69313d9b78965952dc5ecfacc798ccf7
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Filesize
136B
MD5922b13de962c94ccd26084f1caab0a5d
SHA1ad4d2f1511aaa1c572e087bd1b5851a5202c4b2a
SHA2560b2b883351fe5801191dbc322390e1ee266aa65da8cb1d890fb941b565e50295
SHA5120f0d478274cb428543829a72cdbe3640271f4502c8f37ddac9bc6a36387b0b4b92de42765cffe90fb6903e7dec4f0095a338e2f23b84538897e93cd793099277
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD514e142a472410b1168aa2ce849afbaa4
SHA16a37042225bee6f380bfe473c681f4fa8bce1503
SHA2565c1dd8814b407a51df2c4879c0c490e8641481818b85936d1f0faa0b15b1f741
SHA51289fd49f1f7a9f7f766af207439db5ac53f48aec83a4cd7b27c903e2bc31bdd269431cb0ae2888cc880a62f3e29c82e025ba2dd540754aff019554b6061b84db4
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Filesize
628B
MD514e142a472410b1168aa2ce849afbaa4
SHA16a37042225bee6f380bfe473c681f4fa8bce1503
SHA2565c1dd8814b407a51df2c4879c0c490e8641481818b85936d1f0faa0b15b1f741
SHA51289fd49f1f7a9f7f766af207439db5ac53f48aec83a4cd7b27c903e2bc31bdd269431cb0ae2888cc880a62f3e29c82e025ba2dd540754aff019554b6061b84db4
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5