Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10/05/2024, 18:24
Behavioral task
behavioral1
Sample
2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe
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Size
26KB
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MD5
43fce97387e88b378f7bfcbb3152cc70
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SHA1
f3aaa47fe088f0d06a34223122675f0388835f18
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SHA256
88da5622398543b2c393dae6bd7d4c507046bf96534f8ef3ef153ca45aa32fa1
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SHA512
400254b59d01abbb8fdbcabd3e29c1a9ab8ced95f312729e7d70ca2978329a1c9ce413c1d4eb3c11f540f659aefb22fe382374203586cce86abf24ac827e227b
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SSDEEP
384:ZtWZPzzxAm1vMMtgTQ22r7OUmgcYfdQPq5lROy5o91yvVAE82vp:A7zxAmN+MFrEgcYwiho90H82B
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 3 IoCs
resource yara_rule behavioral1/memory/1640-1-0x0000000000290000-0x000000000029C000-memory.dmp family_chaos behavioral1/files/0x000c0000000167ef-6.dat family_chaos behavioral1/memory/2556-8-0x0000000001300000-0x000000000130C000-memory.dmp family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Detects command variations typically used by ransomware 3 IoCs
resource yara_rule behavioral1/memory/1640-1-0x0000000000290000-0x000000000029C000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral1/files/0x000c0000000167ef-6.dat INDICATOR_SUSPICIOUS_GENRansomware behavioral1/memory/2556-8-0x0000000001300000-0x000000000130C000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing many references to VEEAM. Observed in ransomware 3 IoCs
resource yara_rule behavioral1/memory/1640-1-0x0000000000290000-0x000000000029C000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/files/0x000c0000000167ef-6.dat INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/memory/2556-8-0x0000000001300000-0x000000000130C000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 2112 bcdedit.exe 2104 bcdedit.exe -
pid Process 1528 wbadmin.exe -
Disables Task Manager via registry modification
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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\desktop.ini svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\leia-me.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2556 svchost.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\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\87XXOISN\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CYXNIRQN\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\JSZQNXMR\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\6QIBR00Y\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NQ9N4B3U\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\O29M4VT2\desktop.ini svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2644 vssadmin.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1640 2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe 2556 svchost.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1640 2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe 1640 2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe 2556 svchost.exe 2556 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 1640 2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe Token: SeDebugPrivilege 2556 svchost.exe Token: SeBackupPrivilege 2384 vssvc.exe Token: SeRestorePrivilege 2384 vssvc.exe Token: SeAuditPrivilege 2384 vssvc.exe Token: SeIncreaseQuotaPrivilege 864 WMIC.exe Token: SeSecurityPrivilege 864 WMIC.exe Token: SeTakeOwnershipPrivilege 864 WMIC.exe Token: SeLoadDriverPrivilege 864 WMIC.exe Token: SeSystemProfilePrivilege 864 WMIC.exe Token: SeSystemtimePrivilege 864 WMIC.exe Token: SeProfSingleProcessPrivilege 864 WMIC.exe Token: SeIncBasePriorityPrivilege 864 WMIC.exe Token: SeCreatePagefilePrivilege 864 WMIC.exe Token: SeBackupPrivilege 864 WMIC.exe Token: SeRestorePrivilege 864 WMIC.exe Token: SeShutdownPrivilege 864 WMIC.exe Token: SeDebugPrivilege 864 WMIC.exe Token: SeSystemEnvironmentPrivilege 864 WMIC.exe Token: SeRemoteShutdownPrivilege 864 WMIC.exe Token: SeUndockPrivilege 864 WMIC.exe Token: SeManageVolumePrivilege 864 WMIC.exe Token: 33 864 WMIC.exe Token: 34 864 WMIC.exe Token: 35 864 WMIC.exe Token: SeIncreaseQuotaPrivilege 864 WMIC.exe Token: SeSecurityPrivilege 864 WMIC.exe Token: SeTakeOwnershipPrivilege 864 WMIC.exe Token: SeLoadDriverPrivilege 864 WMIC.exe Token: SeSystemProfilePrivilege 864 WMIC.exe Token: SeSystemtimePrivilege 864 WMIC.exe Token: SeProfSingleProcessPrivilege 864 WMIC.exe Token: SeIncBasePriorityPrivilege 864 WMIC.exe Token: SeCreatePagefilePrivilege 864 WMIC.exe Token: SeBackupPrivilege 864 WMIC.exe Token: SeRestorePrivilege 864 WMIC.exe Token: SeShutdownPrivilege 864 WMIC.exe Token: SeDebugPrivilege 864 WMIC.exe Token: SeSystemEnvironmentPrivilege 864 WMIC.exe Token: SeRemoteShutdownPrivilege 864 WMIC.exe Token: SeUndockPrivilege 864 WMIC.exe Token: SeManageVolumePrivilege 864 WMIC.exe Token: 33 864 WMIC.exe Token: 34 864 WMIC.exe Token: 35 864 WMIC.exe Token: SeBackupPrivilege 1588 wbengine.exe Token: SeRestorePrivilege 1588 wbengine.exe Token: SeSecurityPrivilege 1588 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1640 wrote to memory of 2556 1640 2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe 28 PID 1640 wrote to memory of 2556 1640 2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe 28 PID 1640 wrote to memory of 2556 1640 2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe 28 PID 2556 wrote to memory of 2088 2556 svchost.exe 29 PID 2556 wrote to memory of 2088 2556 svchost.exe 29 PID 2556 wrote to memory of 2088 2556 svchost.exe 29 PID 2088 wrote to memory of 2644 2088 cmd.exe 31 PID 2088 wrote to memory of 2644 2088 cmd.exe 31 PID 2088 wrote to memory of 2644 2088 cmd.exe 31 PID 2088 wrote to memory of 864 2088 cmd.exe 34 PID 2088 wrote to memory of 864 2088 cmd.exe 34 PID 2088 wrote to memory of 864 2088 cmd.exe 34 PID 2556 wrote to memory of 1632 2556 svchost.exe 36 PID 2556 wrote to memory of 1632 2556 svchost.exe 36 PID 2556 wrote to memory of 1632 2556 svchost.exe 36 PID 1632 wrote to memory of 2112 1632 cmd.exe 38 PID 1632 wrote to memory of 2112 1632 cmd.exe 38 PID 1632 wrote to memory of 2112 1632 cmd.exe 38 PID 1632 wrote to memory of 2104 1632 cmd.exe 39 PID 1632 wrote to memory of 2104 1632 cmd.exe 39 PID 1632 wrote to memory of 2104 1632 cmd.exe 39 PID 2556 wrote to memory of 1516 2556 svchost.exe 40 PID 2556 wrote to memory of 1516 2556 svchost.exe 40 PID 2556 wrote to memory of 1516 2556 svchost.exe 40 PID 1516 wrote to memory of 1528 1516 cmd.exe 42 PID 1516 wrote to memory of 1528 1516 cmd.exe 42 PID 1516 wrote to memory of 1528 1516 cmd.exe 42 PID 2556 wrote to memory of 1484 2556 svchost.exe 48 PID 2556 wrote to memory of 1484 2556 svchost.exe 48 PID 2556 wrote to memory of 1484 2556 svchost.exe 48 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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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\2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-10_43fce97387e88b378f7bfcbb3152cc70_destroyer_wannacry.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2644
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:864
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2112
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2104
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1528
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\leia-me.txt3⤵PID:1484
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2384
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1588
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1644
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:324
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
32B
MD5262c289b40f3c1cb49e85031d507f111
SHA1bddc4b7d0f5b0627fa779dfd553dfce83d596ee5
SHA256048aed1c892fda733bdac64b15a8c03f348bf507918f63980dd55a4d05722636
SHA5125b84075184f0c3ba3f46de1684ca5f82f5acb12e65b0b22554838aa739b16242b2f35312863e4be4d2dc54d8527cf050e0137630dfe20b253c4d63ca416825f8
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Filesize
26KB
MD543fce97387e88b378f7bfcbb3152cc70
SHA1f3aaa47fe088f0d06a34223122675f0388835f18
SHA25688da5622398543b2c393dae6bd7d4c507046bf96534f8ef3ef153ca45aa32fa1
SHA512400254b59d01abbb8fdbcabd3e29c1a9ab8ced95f312729e7d70ca2978329a1c9ce413c1d4eb3c11f540f659aefb22fe382374203586cce86abf24ac827e227b
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0