Analysis
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max time kernel
298s -
max time network
300s -
platform
windows11-21h2_x64 -
resource
win11-20231129-en -
resource tags
arch:x64arch:x86image:win11-20231129-enlocale:en-usos:windows11-21h2-x64system -
submitted
05-12-2023 11:34
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win11-20231129-en
General
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Target
WannaCry.exe
-
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
Processes:
WannaCry.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDD8D5.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDD8BE.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4164 !WannaDecryptor!.exe 992 !WannaDecryptor!.exe 4368 !WannaDecryptor!.exe 1608 !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
Processes:
WannaCry.exedescription 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
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2379530898-3444504291-4008811794-1000\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
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 4312 taskkill.exe 3440 taskkill.exe 4116 taskkill.exe 1040 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4312 taskkill.exe Token: SeDebugPrivilege 1040 taskkill.exe Token: SeDebugPrivilege 4116 taskkill.exe Token: SeDebugPrivilege 3440 taskkill.exe Token: SeIncreaseQuotaPrivilege 3552 WMIC.exe Token: SeSecurityPrivilege 3552 WMIC.exe Token: SeTakeOwnershipPrivilege 3552 WMIC.exe Token: SeLoadDriverPrivilege 3552 WMIC.exe Token: SeSystemProfilePrivilege 3552 WMIC.exe Token: SeSystemtimePrivilege 3552 WMIC.exe Token: SeProfSingleProcessPrivilege 3552 WMIC.exe Token: SeIncBasePriorityPrivilege 3552 WMIC.exe Token: SeCreatePagefilePrivilege 3552 WMIC.exe Token: SeBackupPrivilege 3552 WMIC.exe Token: SeRestorePrivilege 3552 WMIC.exe Token: SeShutdownPrivilege 3552 WMIC.exe Token: SeDebugPrivilege 3552 WMIC.exe Token: SeSystemEnvironmentPrivilege 3552 WMIC.exe Token: SeRemoteShutdownPrivilege 3552 WMIC.exe Token: SeUndockPrivilege 3552 WMIC.exe Token: SeManageVolumePrivilege 3552 WMIC.exe Token: 33 3552 WMIC.exe Token: 34 3552 WMIC.exe Token: 35 3552 WMIC.exe Token: 36 3552 WMIC.exe Token: SeIncreaseQuotaPrivilege 3552 WMIC.exe Token: SeSecurityPrivilege 3552 WMIC.exe Token: SeTakeOwnershipPrivilege 3552 WMIC.exe Token: SeLoadDriverPrivilege 3552 WMIC.exe Token: SeSystemProfilePrivilege 3552 WMIC.exe Token: SeSystemtimePrivilege 3552 WMIC.exe Token: SeProfSingleProcessPrivilege 3552 WMIC.exe Token: SeIncBasePriorityPrivilege 3552 WMIC.exe Token: SeCreatePagefilePrivilege 3552 WMIC.exe Token: SeBackupPrivilege 3552 WMIC.exe Token: SeRestorePrivilege 3552 WMIC.exe Token: SeShutdownPrivilege 3552 WMIC.exe Token: SeDebugPrivilege 3552 WMIC.exe Token: SeSystemEnvironmentPrivilege 3552 WMIC.exe Token: SeRemoteShutdownPrivilege 3552 WMIC.exe Token: SeUndockPrivilege 3552 WMIC.exe Token: SeManageVolumePrivilege 3552 WMIC.exe Token: 33 3552 WMIC.exe Token: 34 3552 WMIC.exe Token: 35 3552 WMIC.exe Token: 36 3552 WMIC.exe Token: SeBackupPrivilege 3560 vssvc.exe Token: SeRestorePrivilege 3560 vssvc.exe Token: SeAuditPrivilege 3560 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4164 !WannaDecryptor!.exe 4164 !WannaDecryptor!.exe 992 !WannaDecryptor!.exe 992 !WannaDecryptor!.exe 4368 !WannaDecryptor!.exe 4368 !WannaDecryptor!.exe 1608 !WannaDecryptor!.exe 1608 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
WannaCry.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4956 wrote to memory of 860 4956 WannaCry.exe cmd.exe PID 4956 wrote to memory of 860 4956 WannaCry.exe cmd.exe PID 4956 wrote to memory of 860 4956 WannaCry.exe cmd.exe PID 860 wrote to memory of 2164 860 cmd.exe cscript.exe PID 860 wrote to memory of 2164 860 cmd.exe cscript.exe PID 860 wrote to memory of 2164 860 cmd.exe cscript.exe PID 4956 wrote to memory of 4164 4956 WannaCry.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 4164 4956 WannaCry.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 4164 4956 WannaCry.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 4312 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 4312 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 4312 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 3440 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 3440 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 3440 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 1040 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 1040 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 1040 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 4116 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 4116 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 4116 4956 WannaCry.exe taskkill.exe PID 4956 wrote to memory of 992 4956 WannaCry.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 992 4956 WannaCry.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 992 4956 WannaCry.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 4400 4956 WannaCry.exe cmd.exe PID 4956 wrote to memory of 4400 4956 WannaCry.exe cmd.exe PID 4956 wrote to memory of 4400 4956 WannaCry.exe cmd.exe PID 4400 wrote to memory of 4368 4400 cmd.exe !WannaDecryptor!.exe PID 4400 wrote to memory of 4368 4400 cmd.exe !WannaDecryptor!.exe PID 4400 wrote to memory of 4368 4400 cmd.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 1608 4956 WannaCry.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 1608 4956 WannaCry.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 1608 4956 WannaCry.exe !WannaDecryptor!.exe PID 4368 wrote to memory of 4844 4368 !WannaDecryptor!.exe cmd.exe PID 4368 wrote to memory of 4844 4368 !WannaDecryptor!.exe cmd.exe PID 4368 wrote to memory of 4844 4368 !WannaDecryptor!.exe cmd.exe PID 4844 wrote to memory of 3552 4844 cmd.exe WMIC.exe PID 4844 wrote to memory of 3552 4844 cmd.exe WMIC.exe PID 4844 wrote to memory of 3552 4844 cmd.exe WMIC.exe -
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:4956 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 20101701776063.bat2⤵
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2164
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4164 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4312 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3440 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4116 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1040 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:992 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4368 -
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:4844 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3552 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1608
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3560
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD561b8f9f3fba01a894dcf0d06ba746fc9
SHA19c2ff41d50afdf7119b96571e5c20903b2ccae01
SHA25667667bbc09ec95df217d5ce56dde4a4c2bc982a326c7e79692a1535cac8edc99
SHA512f0dddef57f0510c45a503f7442d5dc94cc75e53aa8e93796bfa108f020df1986e544c1b30eebfacc22b0ac487c067bd4af18cf1198b2926d30a1cba728436755
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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
MD561b8f9f3fba01a894dcf0d06ba746fc9
SHA19c2ff41d50afdf7119b96571e5c20903b2ccae01
SHA25667667bbc09ec95df217d5ce56dde4a4c2bc982a326c7e79692a1535cac8edc99
SHA512f0dddef57f0510c45a503f7442d5dc94cc75e53aa8e93796bfa108f020df1986e544c1b30eebfacc22b0ac487c067bd4af18cf1198b2926d30a1cba728436755
-
Filesize
136B
MD571211d1a01e144362d67fd452e170bb3
SHA1e5bfdecbe0af2d6f9011f91ded159ffa60eabd3d
SHA256ed91246ce937f216664c065263897f4ec7d648280b85d926d77331bf840feddf
SHA5122d42e149e9cf14ac38ec32890c3079711fcabb759e9763bc70ca9c97faced0199df3ef0aea5006a5e14b5ac9a7afd3c119a1c814714bc4918e8fde590542e9fa
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Filesize
136B
MD5b1da1ab43494399128a2261ef0feb7d1
SHA1b91f5efc204d617dbdca23b56a4b9e50da41e2bf
SHA256fa8b92f08750ab1de68bbee0afe4ef89edf43217dff54249cfe32e088f46bff0
SHA5127690b76183b9ea405dd38525cff06e3eaf4a18be2ddce87aaa4f947edc38bbb93fa64c833db5bce78bcb8b4498fe1b318a380350e0af024bcbd88f58e1036e9c
-
Filesize
136B
MD5bf83b0ed177e0b6f5a20ef5320126db7
SHA1247cbccf9fd65bd9e6e76d474668c897b4175ca6
SHA25686d7788a706b1aaf20e93c9b2e48b55333c561bdd7bc2c725e570f2080c3e7e8
SHA51266a64bcd0a23a37e6ecf49968685435621d485468e2360c60745d2240970ac522b9a60bae712a310d13233e4dd3804eedff4986e2102d140b5690c876210c50e
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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
MD5784784ef521bd4f6946fc1f11fae0795
SHA10593af85826d847409b59f0fffa43c1f44fd613d
SHA2567eb2b86aa5e80d1e9d5331c9268b8932050e7a066fb4621c16998f5af38d6112
SHA5124d3ec320a1c3daf5456f8c011a158bf4178b0fa5a23f784df389d142a999fd04938a65a010620a10a116fc8ca95a391e374c6bd2a151ced90bd785f212377ce9
-
Filesize
628B
MD5784784ef521bd4f6946fc1f11fae0795
SHA10593af85826d847409b59f0fffa43c1f44fd613d
SHA2567eb2b86aa5e80d1e9d5331c9268b8932050e7a066fb4621c16998f5af38d6112
SHA5124d3ec320a1c3daf5456f8c011a158bf4178b0fa5a23f784df389d142a999fd04938a65a010620a10a116fc8ca95a391e374c6bd2a151ced90bd785f212377ce9
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5