Analysis
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max time kernel
94s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-08-2024 00:25
Behavioral task
behavioral1
Sample
2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
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Size
970KB
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MD5
35451ac684f221eaa4441ca2b05e4dfc
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SHA1
c47e4c4c5da786ba1b99d6d0bcd1f51f7d8e448d
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SHA256
a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c
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SHA512
92b3edb20c496dd29db41e6fc2b65a06530c49c3c0a63e312b4c23923c2ba6b4196df3fb9fbfda16948fdea302ae0c8cc1d5c8cc3ae3941337c99808c053884d
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SSDEEP
12288:Ro4d207I28YV+IZ5ZMTcNpLIsriuWVL+JUBK9jLF57RboGnDhCqYVNX3Sf8EYJKp:Re2pKu4e/FKG8tVdLX0uD0
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
https://www.coinmama.com
https://www.bitpanda.com
https://www.moonpay.com/buy/btc
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/4872-0-0x0000000000990000-0x0000000000A88000-memory.dmp family_chaos behavioral2/files/0x000b0000000233d9-6.dat family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 1728 bcdedit.exe 4844 bcdedit.exe -
Renames multiple (183) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 4852 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation DiscordTokenGenerator.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt DiscordTokenGenerator.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DiscordTokenGenerator.url DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini DiscordTokenGenerator.exe -
Executes dropped EXE 1 IoCs
pid Process 3312 DiscordTokenGenerator.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 desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Downloads\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Public\Desktop\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Searches\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Public\Videos\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Documents\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Public\Documents\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Public\Pictures\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini DiscordTokenGenerator.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Music\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Public\Music\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Links\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\Videos\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini DiscordTokenGenerator.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini DiscordTokenGenerator.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rodjyfryo.jpg" DiscordTokenGenerator.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2388 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\Local Settings DiscordTokenGenerator.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4288 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3312 DiscordTokenGenerator.exe -
Suspicious behavior: EnumeratesProcesses 47 IoCs
pid Process 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe 3312 DiscordTokenGenerator.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe Token: SeDebugPrivilege 3312 DiscordTokenGenerator.exe Token: SeBackupPrivilege 2792 vssvc.exe Token: SeRestorePrivilege 2792 vssvc.exe Token: SeAuditPrivilege 2792 vssvc.exe Token: SeIncreaseQuotaPrivilege 2980 WMIC.exe Token: SeSecurityPrivilege 2980 WMIC.exe Token: SeTakeOwnershipPrivilege 2980 WMIC.exe Token: SeLoadDriverPrivilege 2980 WMIC.exe Token: SeSystemProfilePrivilege 2980 WMIC.exe Token: SeSystemtimePrivilege 2980 WMIC.exe Token: SeProfSingleProcessPrivilege 2980 WMIC.exe Token: SeIncBasePriorityPrivilege 2980 WMIC.exe Token: SeCreatePagefilePrivilege 2980 WMIC.exe Token: SeBackupPrivilege 2980 WMIC.exe Token: SeRestorePrivilege 2980 WMIC.exe Token: SeShutdownPrivilege 2980 WMIC.exe Token: SeDebugPrivilege 2980 WMIC.exe Token: SeSystemEnvironmentPrivilege 2980 WMIC.exe Token: SeRemoteShutdownPrivilege 2980 WMIC.exe Token: SeUndockPrivilege 2980 WMIC.exe Token: SeManageVolumePrivilege 2980 WMIC.exe Token: 33 2980 WMIC.exe Token: 34 2980 WMIC.exe Token: 35 2980 WMIC.exe Token: 36 2980 WMIC.exe Token: SeIncreaseQuotaPrivilege 2980 WMIC.exe Token: SeSecurityPrivilege 2980 WMIC.exe Token: SeTakeOwnershipPrivilege 2980 WMIC.exe Token: SeLoadDriverPrivilege 2980 WMIC.exe Token: SeSystemProfilePrivilege 2980 WMIC.exe Token: SeSystemtimePrivilege 2980 WMIC.exe Token: SeProfSingleProcessPrivilege 2980 WMIC.exe Token: SeIncBasePriorityPrivilege 2980 WMIC.exe Token: SeCreatePagefilePrivilege 2980 WMIC.exe Token: SeBackupPrivilege 2980 WMIC.exe Token: SeRestorePrivilege 2980 WMIC.exe Token: SeShutdownPrivilege 2980 WMIC.exe Token: SeDebugPrivilege 2980 WMIC.exe Token: SeSystemEnvironmentPrivilege 2980 WMIC.exe Token: SeRemoteShutdownPrivilege 2980 WMIC.exe Token: SeUndockPrivilege 2980 WMIC.exe Token: SeManageVolumePrivilege 2980 WMIC.exe Token: 33 2980 WMIC.exe Token: 34 2980 WMIC.exe Token: 35 2980 WMIC.exe Token: 36 2980 WMIC.exe Token: SeBackupPrivilege 2680 wbengine.exe Token: SeRestorePrivilege 2680 wbengine.exe Token: SeSecurityPrivilege 2680 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4872 wrote to memory of 3312 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 86 PID 4872 wrote to memory of 3312 4872 2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe 86 PID 3312 wrote to memory of 3132 3312 DiscordTokenGenerator.exe 88 PID 3312 wrote to memory of 3132 3312 DiscordTokenGenerator.exe 88 PID 3132 wrote to memory of 2388 3132 cmd.exe 90 PID 3132 wrote to memory of 2388 3132 cmd.exe 90 PID 3132 wrote to memory of 2980 3132 cmd.exe 93 PID 3132 wrote to memory of 2980 3132 cmd.exe 93 PID 3312 wrote to memory of 4996 3312 DiscordTokenGenerator.exe 95 PID 3312 wrote to memory of 4996 3312 DiscordTokenGenerator.exe 95 PID 4996 wrote to memory of 1728 4996 cmd.exe 97 PID 4996 wrote to memory of 1728 4996 cmd.exe 97 PID 4996 wrote to memory of 4844 4996 cmd.exe 98 PID 4996 wrote to memory of 4844 4996 cmd.exe 98 PID 3312 wrote to memory of 4244 3312 DiscordTokenGenerator.exe 99 PID 3312 wrote to memory of 4244 3312 DiscordTokenGenerator.exe 99 PID 4244 wrote to memory of 4852 4244 cmd.exe 101 PID 4244 wrote to memory of 4852 4244 cmd.exe 101 PID 3312 wrote to memory of 4288 3312 DiscordTokenGenerator.exe 105 PID 3312 wrote to memory of 4288 3312 DiscordTokenGenerator.exe 105 -
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\2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Users\Admin\AppData\Roaming\DiscordTokenGenerator.exe"C:\Users\Admin\AppData\Roaming\DiscordTokenGenerator.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2388
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2980
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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:4996 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1728
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4844
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4244 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4852
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt3⤵
- Opens file in notepad (likely ransom note)
PID:4288
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2680
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2244
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1600
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
970KB
MD535451ac684f221eaa4441ca2b05e4dfc
SHA1c47e4c4c5da786ba1b99d6d0bcd1f51f7d8e448d
SHA256a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c
SHA51292b3edb20c496dd29db41e6fc2b65a06530c49c3c0a63e312b4c23923c2ba6b4196df3fb9fbfda16948fdea302ae0c8cc1d5c8cc3ae3941337c99808c053884d
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Filesize
951B
MD5afaf45eac5b002a2c6bf0a1858e189ee
SHA1deda43ac721981b8cd06cad3647b14487cc3bb9f
SHA256d63c56428b36e922649eb3fe54336bd390218cdcf18530eef61551342745a08e
SHA512b0e6b605bd280fd9658c8203629c2853c8404e931f525f300bd8e4c30ca16d71bb2c7d318a671ef4251691a966a6d08cb22eea048473d53361826b6af33388d2