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Analysis
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max time kernel
170s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2022, 12:06
Static task
static1
Behavioral task
behavioral1
Sample
d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe
Resource
win10v2004-20220812-en
General
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Target
d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe
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Size
168KB
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MD5
6f712a49b0fc5e071c1888f663409a8e
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SHA1
252a49be406cdab0b0c5fac2a2fddba2b2466ec3
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SHA256
d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac
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SHA512
f98d2519e0419998614f790623e40adc80c6d0e1289eba342877374dab2b343f755450b852bbbd829bcda923fd97afff871e0799008b94c941d4e1a09ccd1d7c
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SSDEEP
3072:ARqEC2Oi8NXC797F8TBfFvj4bq57441/ynWn1b1oHkay/0A:AHC2F8NXC796TB9vj484KyW/oRy/l
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winrar.exe -
Executes dropped EXE 1 IoCs
pid Process 4540 winrar.exe -
Modifies Windows Firewall 1 TTPs 2 IoCs
pid Process 1972 netsh.exe 2568 netsh.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation winrar.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1ce5c21bd74c042cdcd945e699c951c5.exe winrar.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1ce5c21bd74c042cdcd945e699c951c5.exe winrar.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1ce5c21bd74c042cdcd945e699c951c5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winrar.exe\" .." winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1ce5c21bd74c042cdcd945e699c951c5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winrar.exe\" .." winrar.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winrar.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA winrar.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 61 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\RuntimeVersion = "v2.0.50727" winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\0.0.0.0 winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303} winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16} winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\0.0.0.0\Class = "qcogjiwpbry.yhupkosdwm" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\Assembly = "qcogjiwpbry, Version=0.0.0.0, Culture=neutral, PublicKeyToken=461d39c4a423da0b" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\Class = "qcogjiwpbry.hskzyvwuvq" winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\ProgId winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\ThreadingModel = "Both" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\0.0.0.0\Assembly = "qcogjiwpbry, Version=0.0.0.0, Culture=neutral, PublicKeyToken=461d39c4a423da0b" winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\Implemented Categories winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\0.0.0.0\RuntimeVersion = "v2.0.50727" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\CodeBase = "file:///C:/Users/Admin/AppData/Local/Temp/winrar.exe" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\ThreadingModel = "Both" winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\ProgId winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\Implemented Categories winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.hskzyvwuvq\CLSID winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\ = "qcogjiwpbry.hskzyvwuvq" winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\Implemented Categories\{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29} winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.yhupkosdwm\CLSID\ = "{14485989-58B8-3A41-8105-08172E9B8303}" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\0.0.0.0\RuntimeVersion = "v2.0.50727" winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.yhupkosdwm\CLSID winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\0.0.0.0 winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32 winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\Implemented Categories\{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29} winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\ProgId winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.hskzyvwuvq winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\ProgId\ = "qcogjiwpbry.yhupkosdwm" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.hskzyvwuvq\CLSID\ = "{0D1A6803-AC0B-30CA-A446-4408D0C44C16}" winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\0.0.0.0 winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.hskzyvwuvq winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16} winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\CodeBase = "file:///C:/Users/Admin/AppData/Local/Temp/winrar.exe" winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\Implemented Categories winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\Class = "qcogjiwpbry.yhupkosdwm" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{62C8FE65-4EBB-45E7-B440-6E39B2CDBF29}\0 = ".NET Category" winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\ProgId winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\0.0.0.0\Class = "qcogjiwpbry.hskzyvwuvq" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\ProgId\ = "qcogjiwpbry.hskzyvwuvq" winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32 winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\0.0.0.0\CodeBase = "file:///C:/Users/Admin/AppData/Local/Temp/winrar.exe" winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.yhupkosdwm\CLSID winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.yhupkosdwm winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.hskzyvwuvq\CLSID winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.yhupkosdwm winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\0.0.0.0\CodeBase = "file:///C:/Users/Admin/AppData/Local/Temp/winrar.exe" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\Assembly = "qcogjiwpbry, Version=0.0.0.0, Culture=neutral, PublicKeyToken=461d39c4a423da0b" winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\Implemented Categories\{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29} winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\ = "mscoree.dll" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\0.0.0.0\Assembly = "qcogjiwpbry, Version=0.0.0.0, Culture=neutral, PublicKeyToken=461d39c4a423da0b" winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32\0.0.0.0 winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.yhupkosdwm\ = "qcogjiwpbry.yhupkosdwm" winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303} winrar.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\Implemented Categories\{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29} winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32 winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\Implemented Categories winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\ = "qcogjiwpbry.yhupkosdwm" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qcogjiwpbry.hskzyvwuvq\ = "qcogjiwpbry.hskzyvwuvq" winrar.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D1A6803-AC0B-30CA-A446-4408D0C44C16}\InprocServer32 winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\ = "mscoree.dll" winrar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14485989-58B8-3A41-8105-08172E9B8303}\InprocServer32\RuntimeVersion = "v2.0.50727" winrar.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2816 wrote to memory of 4540 2816 d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe 82 PID 2816 wrote to memory of 4540 2816 d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe 82 PID 2816 wrote to memory of 4540 2816 d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe 82 PID 4540 wrote to memory of 1972 4540 winrar.exe 83 PID 4540 wrote to memory of 1972 4540 winrar.exe 83 PID 4540 wrote to memory of 1972 4540 winrar.exe 83 PID 4540 wrote to memory of 2568 4540 winrar.exe 84 PID 4540 wrote to memory of 2568 4540 winrar.exe 84 PID 4540 wrote to memory of 2568 4540 winrar.exe 84 PID 4540 wrote to memory of 220 4540 winrar.exe 87 PID 4540 wrote to memory of 220 4540 winrar.exe 87 PID 4540 wrote to memory of 220 4540 winrar.exe 87 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winrar.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe"C:\Users\Admin\AppData\Local\Temp\d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac.exe"1⤵
- UAC bypass
- Checks computer location settings
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2816 -
C:\Users\Admin\AppData\Local\Temp\winrar.exe"C:\Users\Admin\AppData\Local\Temp\winrar.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Checks whether UAC is enabled
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4540 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\winrar.exe" "winrar.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:1972
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\SysWOW64\wscript.exe" "wscript.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2568
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C:\Windows\SysWOW64\wscript.exe"C:\Windows\SysWOW64\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\winrar.vbe"3⤵PID:220
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
168KB
MD56f712a49b0fc5e071c1888f663409a8e
SHA1252a49be406cdab0b0c5fac2a2fddba2b2466ec3
SHA256d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac
SHA512f98d2519e0419998614f790623e40adc80c6d0e1289eba342877374dab2b343f755450b852bbbd829bcda923fd97afff871e0799008b94c941d4e1a09ccd1d7c
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Filesize
168KB
MD56f712a49b0fc5e071c1888f663409a8e
SHA1252a49be406cdab0b0c5fac2a2fddba2b2466ec3
SHA256d9a09527ea29ed90ecc63ccd2f85ee6d4ceafe950c3535958611e28c7cd7d3ac
SHA512f98d2519e0419998614f790623e40adc80c6d0e1289eba342877374dab2b343f755450b852bbbd829bcda923fd97afff871e0799008b94c941d4e1a09ccd1d7c