Analysis
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max time kernel
148s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
09-12-2024 14:48
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20241007-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\Documents\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Wannacry family
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Deletes shadow copies 3 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\Windows\Start Menu\Programs\Startup\~SD7DB2.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD7DC6.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2052 !WannaDecryptor!.exe 1508 !WannaDecryptor!.exe 1520 !WannaDecryptor!.exe 1592 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2916 cscript.exe 1824 WannaCry.exe 1824 WannaCry.exe 1824 WannaCry.exe 1824 WannaCry.exe 1628 cmd.exe 1628 cmd.exe 1824 WannaCry.exe 1824 WannaCry.exe -
Reads user/profile data of web browsers 3 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 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 15 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WannaCry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vssadmin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 980 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 1336 taskkill.exe 1632 taskkill.exe 972 taskkill.exe 1752 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 1336 taskkill.exe Token: SeDebugPrivilege 1752 taskkill.exe Token: SeDebugPrivilege 1632 taskkill.exe Token: SeDebugPrivilege 972 taskkill.exe Token: SeBackupPrivilege 1072 vssvc.exe Token: SeRestorePrivilege 1072 vssvc.exe Token: SeAuditPrivilege 1072 vssvc.exe Token: SeIncreaseQuotaPrivilege 1720 WMIC.exe Token: SeSecurityPrivilege 1720 WMIC.exe Token: SeTakeOwnershipPrivilege 1720 WMIC.exe Token: SeLoadDriverPrivilege 1720 WMIC.exe Token: SeSystemProfilePrivilege 1720 WMIC.exe Token: SeSystemtimePrivilege 1720 WMIC.exe Token: SeProfSingleProcessPrivilege 1720 WMIC.exe Token: SeIncBasePriorityPrivilege 1720 WMIC.exe Token: SeCreatePagefilePrivilege 1720 WMIC.exe Token: SeBackupPrivilege 1720 WMIC.exe Token: SeRestorePrivilege 1720 WMIC.exe Token: SeShutdownPrivilege 1720 WMIC.exe Token: SeDebugPrivilege 1720 WMIC.exe Token: SeSystemEnvironmentPrivilege 1720 WMIC.exe Token: SeRemoteShutdownPrivilege 1720 WMIC.exe Token: SeUndockPrivilege 1720 WMIC.exe Token: SeManageVolumePrivilege 1720 WMIC.exe Token: 33 1720 WMIC.exe Token: 34 1720 WMIC.exe Token: 35 1720 WMIC.exe Token: SeIncreaseQuotaPrivilege 1720 WMIC.exe Token: SeSecurityPrivilege 1720 WMIC.exe Token: SeTakeOwnershipPrivilege 1720 WMIC.exe Token: SeLoadDriverPrivilege 1720 WMIC.exe Token: SeSystemProfilePrivilege 1720 WMIC.exe Token: SeSystemtimePrivilege 1720 WMIC.exe Token: SeProfSingleProcessPrivilege 1720 WMIC.exe Token: SeIncBasePriorityPrivilege 1720 WMIC.exe Token: SeCreatePagefilePrivilege 1720 WMIC.exe Token: SeBackupPrivilege 1720 WMIC.exe Token: SeRestorePrivilege 1720 WMIC.exe Token: SeShutdownPrivilege 1720 WMIC.exe Token: SeDebugPrivilege 1720 WMIC.exe Token: SeSystemEnvironmentPrivilege 1720 WMIC.exe Token: SeRemoteShutdownPrivilege 1720 WMIC.exe Token: SeUndockPrivilege 1720 WMIC.exe Token: SeManageVolumePrivilege 1720 WMIC.exe Token: 33 1720 WMIC.exe Token: 34 1720 WMIC.exe Token: 35 1720 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2052 !WannaDecryptor!.exe 2052 !WannaDecryptor!.exe 1508 !WannaDecryptor!.exe 1508 !WannaDecryptor!.exe 1520 !WannaDecryptor!.exe 1520 !WannaDecryptor!.exe 1592 !WannaDecryptor!.exe 1592 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 1824 wrote to memory of 3048 1824 WannaCry.exe 30 PID 1824 wrote to memory of 3048 1824 WannaCry.exe 30 PID 1824 wrote to memory of 3048 1824 WannaCry.exe 30 PID 1824 wrote to memory of 3048 1824 WannaCry.exe 30 PID 3048 wrote to memory of 2916 3048 cmd.exe 32 PID 3048 wrote to memory of 2916 3048 cmd.exe 32 PID 3048 wrote to memory of 2916 3048 cmd.exe 32 PID 3048 wrote to memory of 2916 3048 cmd.exe 32 PID 1824 wrote to memory of 2052 1824 WannaCry.exe 33 PID 1824 wrote to memory of 2052 1824 WannaCry.exe 33 PID 1824 wrote to memory of 2052 1824 WannaCry.exe 33 PID 1824 wrote to memory of 2052 1824 WannaCry.exe 33 PID 1824 wrote to memory of 1632 1824 WannaCry.exe 34 PID 1824 wrote to memory of 1632 1824 WannaCry.exe 34 PID 1824 wrote to memory of 1632 1824 WannaCry.exe 34 PID 1824 wrote to memory of 1632 1824 WannaCry.exe 34 PID 1824 wrote to memory of 972 1824 WannaCry.exe 35 PID 1824 wrote to memory of 972 1824 WannaCry.exe 35 PID 1824 wrote to memory of 972 1824 WannaCry.exe 35 PID 1824 wrote to memory of 972 1824 WannaCry.exe 35 PID 1824 wrote to memory of 1336 1824 WannaCry.exe 36 PID 1824 wrote to memory of 1336 1824 WannaCry.exe 36 PID 1824 wrote to memory of 1336 1824 WannaCry.exe 36 PID 1824 wrote to memory of 1336 1824 WannaCry.exe 36 PID 1824 wrote to memory of 1752 1824 WannaCry.exe 38 PID 1824 wrote to memory of 1752 1824 WannaCry.exe 38 PID 1824 wrote to memory of 1752 1824 WannaCry.exe 38 PID 1824 wrote to memory of 1752 1824 WannaCry.exe 38 PID 1824 wrote to memory of 1508 1824 WannaCry.exe 44 PID 1824 wrote to memory of 1508 1824 WannaCry.exe 44 PID 1824 wrote to memory of 1508 1824 WannaCry.exe 44 PID 1824 wrote to memory of 1508 1824 WannaCry.exe 44 PID 1824 wrote to memory of 1628 1824 WannaCry.exe 45 PID 1824 wrote to memory of 1628 1824 WannaCry.exe 45 PID 1824 wrote to memory of 1628 1824 WannaCry.exe 45 PID 1824 wrote to memory of 1628 1824 WannaCry.exe 45 PID 1628 wrote to memory of 1520 1628 cmd.exe 47 PID 1628 wrote to memory of 1520 1628 cmd.exe 47 PID 1628 wrote to memory of 1520 1628 cmd.exe 47 PID 1628 wrote to memory of 1520 1628 cmd.exe 47 PID 1824 wrote to memory of 1592 1824 WannaCry.exe 48 PID 1824 wrote to memory of 1592 1824 WannaCry.exe 48 PID 1824 wrote to memory of 1592 1824 WannaCry.exe 48 PID 1824 wrote to memory of 1592 1824 WannaCry.exe 48 PID 1520 wrote to memory of 1008 1520 !WannaDecryptor!.exe 49 PID 1520 wrote to memory of 1008 1520 !WannaDecryptor!.exe 49 PID 1520 wrote to memory of 1008 1520 !WannaDecryptor!.exe 49 PID 1520 wrote to memory of 1008 1520 !WannaDecryptor!.exe 49 PID 1008 wrote to memory of 980 1008 cmd.exe 51 PID 1008 wrote to memory of 980 1008 cmd.exe 51 PID 1008 wrote to memory of 980 1008 cmd.exe 51 PID 1008 wrote to memory of 980 1008 cmd.exe 51 PID 1008 wrote to memory of 1720 1008 cmd.exe 53 PID 1008 wrote to memory of 1720 1008 cmd.exe 53 PID 1008 wrote to memory of 1720 1008 cmd.exe 53 PID 1008 wrote to memory of 1720 1008 cmd.exe 53 -
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
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\SysWOW64\cmd.execmd /c 91311733755723.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2916
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2052
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1632
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:972
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1336
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1752
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1508
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1520 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:980
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1720
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1592
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1072
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
921B
MD56cd72b07dc24f482068eea802f8f400e
SHA1c294e1025e71c2391cdd0b3827f5abf1dbf623ac
SHA256afc4dd750263d1ccef7937b9094ba95f7b1d015a73ac7a1450b7f67c2e4a6a31
SHA512c151e6943b68eba4dcf3ffa11b4d9c007f6a301933397ceb98357d9a8a73353ecae97d7959621448523d45c780ac19f54c5ba1638b07b051a6acbc7c45d75114
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Filesize
136B
MD5bc469bd8935b3e6d136706629dbaf43a
SHA14ebf5bac67529071ec5bf9cf418ebf4c493f3246
SHA256fdbb480f2104526f60e447be2305562d8e436467012bcdf841faeef34f9721ec
SHA512f4cf98631e35c2cc21c506d8e9b09ee88c4a802c94296314cc35fe59ad61f8c4ed489d843b879e559199116da697c88a2fe57f73844951ef2a5056d91d3bfc79
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Filesize
136B
MD58d44be91c518e2d99e81f4c44a7364b5
SHA13a5769cc65b1bdfc39748630252a5cc1a776489d
SHA2560a92fad4b31fc2109a6b813617862b9023796d08677b028091a2eb954e79a0f2
SHA512777170cfa268e596a5e1d12a931407c83d51221578599427361b7feb01576b1093ee9dba5e126cc28b21349b03436e6eccdb8139439bb71d326a1a20062c4abd
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Filesize
136B
MD5ebcb4c98e6cbcb2fab4cbb8c16e0427a
SHA1138569ce05685174790ac7971cc18986ae3599df
SHA256a59c06025576909062a81a3b94281e74e6ecb9d3851ff3227fec217c39334e15
SHA51242190d77e8a92b4b61043d1634c769a8e339ab60ea99d88913a9e27bb6977e69df56c687636a15b59d62b38fb43289885e0a678a336596aeac669623c1cef51c
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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
MD55e2e159adb39434c5f6bdcc6a8a9381c
SHA1e2f0c2d31fd999782129523fe8f234206f39179a
SHA25685c6a3f2390ecdaeb49b6c769f0c9e23353f3abe56e299e33bc66807222f61ed
SHA512a00db10cf3158b90c27b8dc46db9935c30ef1fe8d7d33b21a85a658b3018da85bf49234da66f3e8d307b90931e56a5a2b8f65db13f9f2f315cc511f9a9949e45
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b