Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25-03-2024 05:38
Behavioral task
behavioral1
Sample
2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe
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Size
291KB
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MD5
57099c6158c0aa97503a9c27243352a9
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SHA1
845d6af54e4adfefb4d41c8163fd267149a8eede
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SHA256
f813c628d489e6da2a57ac1ef6c4152382f810ffe3e19ac2c296c7a26b5a6a99
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SHA512
5c912fe51e9d0d5b5e2c8d50933dc82b7fdaed2f4c12b83c67b0dc8d50f36af9d0a00ff060c1528dd08f6c6a3f6f7c42d674b7a4d3e7e98f419f1352c2afe200
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SSDEEP
6144:sRr9JniaNck2r4EARGbZT5q6IAMun3BjuApIVFyAyABZn14UcfV426wsyijk:s9iaWk2XARw5qFAMun8ApIVFyLAY
Malware Config
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/4924-0-0x0000000000980000-0x00000000009D0000-memory.dmp family_chaos behavioral2/files/0x0006000000022e9f-6.dat family_chaos -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Detects command variations typically used by ransomware 2 IoCs
resource yara_rule behavioral2/memory/4924-0-0x0000000000980000-0x00000000009D0000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral2/files/0x0006000000022e9f-6.dat INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 392 bcdedit.exe 3144 bcdedit.exe -
pid Process 4912 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation SatanCD.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SatanCD.url SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini SatanCD.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt SatanCD.exe -
Executes dropped EXE 1 IoCs
pid Process 5044 SatanCD.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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Searches\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Videos\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini SatanCD.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Documents\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Music\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini SatanCD.exe File opened for modification C:\Users\Public\Music\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini SatanCD.exe File opened for modification C:\Users\Public\Documents\desktop.ini SatanCD.exe File opened for modification C:\Users\Public\Desktop\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini SatanCD.exe File opened for modification C:\Users\Public\Videos\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Links\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini SatanCD.exe File opened for modification C:\Users\Public\Pictures\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini SatanCD.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini SatanCD.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\yflfgy9bh.jpg" SatanCD.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_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4360 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings SatanCD.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1048 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5044 SatanCD.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe 5044 SatanCD.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe Token: SeDebugPrivilege 5044 SatanCD.exe Token: SeBackupPrivilege 3992 vssvc.exe Token: SeRestorePrivilege 3992 vssvc.exe Token: SeAuditPrivilege 3992 vssvc.exe Token: SeIncreaseQuotaPrivilege 1340 WMIC.exe Token: SeSecurityPrivilege 1340 WMIC.exe Token: SeTakeOwnershipPrivilege 1340 WMIC.exe Token: SeLoadDriverPrivilege 1340 WMIC.exe Token: SeSystemProfilePrivilege 1340 WMIC.exe Token: SeSystemtimePrivilege 1340 WMIC.exe Token: SeProfSingleProcessPrivilege 1340 WMIC.exe Token: SeIncBasePriorityPrivilege 1340 WMIC.exe Token: SeCreatePagefilePrivilege 1340 WMIC.exe Token: SeBackupPrivilege 1340 WMIC.exe Token: SeRestorePrivilege 1340 WMIC.exe Token: SeShutdownPrivilege 1340 WMIC.exe Token: SeDebugPrivilege 1340 WMIC.exe Token: SeSystemEnvironmentPrivilege 1340 WMIC.exe Token: SeRemoteShutdownPrivilege 1340 WMIC.exe Token: SeUndockPrivilege 1340 WMIC.exe Token: SeManageVolumePrivilege 1340 WMIC.exe Token: 33 1340 WMIC.exe Token: 34 1340 WMIC.exe Token: 35 1340 WMIC.exe Token: 36 1340 WMIC.exe Token: SeIncreaseQuotaPrivilege 1340 WMIC.exe Token: SeSecurityPrivilege 1340 WMIC.exe Token: SeTakeOwnershipPrivilege 1340 WMIC.exe Token: SeLoadDriverPrivilege 1340 WMIC.exe Token: SeSystemProfilePrivilege 1340 WMIC.exe Token: SeSystemtimePrivilege 1340 WMIC.exe Token: SeProfSingleProcessPrivilege 1340 WMIC.exe Token: SeIncBasePriorityPrivilege 1340 WMIC.exe Token: SeCreatePagefilePrivilege 1340 WMIC.exe Token: SeBackupPrivilege 1340 WMIC.exe Token: SeRestorePrivilege 1340 WMIC.exe Token: SeShutdownPrivilege 1340 WMIC.exe Token: SeDebugPrivilege 1340 WMIC.exe Token: SeSystemEnvironmentPrivilege 1340 WMIC.exe Token: SeRemoteShutdownPrivilege 1340 WMIC.exe Token: SeUndockPrivilege 1340 WMIC.exe Token: SeManageVolumePrivilege 1340 WMIC.exe Token: 33 1340 WMIC.exe Token: 34 1340 WMIC.exe Token: 35 1340 WMIC.exe Token: 36 1340 WMIC.exe Token: SeBackupPrivilege 4424 wbengine.exe Token: SeRestorePrivilege 4424 wbengine.exe Token: SeSecurityPrivilege 4424 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4924 wrote to memory of 5044 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 99 PID 4924 wrote to memory of 5044 4924 2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe 99 PID 5044 wrote to memory of 4776 5044 SatanCD.exe 112 PID 5044 wrote to memory of 4776 5044 SatanCD.exe 112 PID 4776 wrote to memory of 4360 4776 cmd.exe 114 PID 4776 wrote to memory of 4360 4776 cmd.exe 114 PID 4776 wrote to memory of 1340 4776 cmd.exe 118 PID 4776 wrote to memory of 1340 4776 cmd.exe 118 PID 5044 wrote to memory of 5080 5044 SatanCD.exe 119 PID 5044 wrote to memory of 5080 5044 SatanCD.exe 119 PID 5080 wrote to memory of 392 5080 cmd.exe 121 PID 5080 wrote to memory of 392 5080 cmd.exe 121 PID 5080 wrote to memory of 3144 5080 cmd.exe 122 PID 5080 wrote to memory of 3144 5080 cmd.exe 122 PID 5044 wrote to memory of 4352 5044 SatanCD.exe 123 PID 5044 wrote to memory of 4352 5044 SatanCD.exe 123 PID 4352 wrote to memory of 4912 4352 cmd.exe 125 PID 4352 wrote to memory of 4912 4352 cmd.exe 125 PID 5044 wrote to memory of 1048 5044 SatanCD.exe 131 PID 5044 wrote to memory of 1048 5044 SatanCD.exe 131 -
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\2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-25_57099c6158c0aa97503a9c27243352a9_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Users\Admin\AppData\Roaming\SatanCD.exe"C:\Users\Admin\AppData\Roaming\SatanCD.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:5044 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:4360
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1340
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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:5080 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:392
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:3144
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4912
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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:1048
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4252 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:2208
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3992
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4424
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:3684
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:284
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
291KB
MD557099c6158c0aa97503a9c27243352a9
SHA1845d6af54e4adfefb4d41c8163fd267149a8eede
SHA256f813c628d489e6da2a57ac1ef6c4152382f810ffe3e19ac2c296c7a26b5a6a99
SHA5125c912fe51e9d0d5b5e2c8d50933dc82b7fdaed2f4c12b83c67b0dc8d50f36af9d0a00ff060c1528dd08f6c6a3f6f7c42d674b7a4d3e7e98f419f1352c2afe200
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Filesize
3KB
MD5bfd6e91030d6beb16abc89281846bb72
SHA11b508a68c2d0fb9a58253e6e461acd033fb6ac95
SHA2563a01b0fc15adfcefe454da22414399f8a8c504887dce78c7d24988448d1c9817
SHA5124c528a32b498e2827ea40cea90a4a6a8cf25466f0eb0ea62543e99f5eaf3dab0195dc6d07a5c570fd7c86bf720066ab144c2f222b813050ed3cccab9880e23f1