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Overview
overview
7Static
static
3VirusShare...8f.exe
windows7-x64
7VirusShare...8f.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3ffRichMedi...ion.js
windows7-x64
1ffRichMedi...ion.js
windows10-2004-x64
1ff/chrome/...757.js
windows7-x64
1ff/chrome/...757.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...57.dll
windows7-x64
6ie/RichMed...57.dll
windows10-2004-x64
6uninstall.exe
windows7-x64
7uninstall.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3Analysis
-
max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 15:46
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_98a9df22205600f9687c7d7c28ba208f.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
VirusShare_98a9df22205600f9687c7d7c28ba208f.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
ffRichMediaViewV1release2757chaction.js
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release2757chaction.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release2757.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release2757.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release2757ffaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release2757ffaction.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release2757.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release2757.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
General
-
Target
VirusShare_98a9df22205600f9687c7d7c28ba208f.exe
-
Size
657KB
-
MD5
98a9df22205600f9687c7d7c28ba208f
-
SHA1
c8163b051ab22fc9571681ad8605f3c7e356240e
-
SHA256
e5a0cbed2e9fea774407469a6d122b44fd311fae59febc5a3c21634d03033b18
-
SHA512
657cc982521a533af4219acead2c44cfa7a91d41bc12606c9213d030ef65c43535ddc6263116d7c317cfa08b8c7ba39de339e27710d979b0256c6ef8cd7890ec
-
SSDEEP
12288:fMQblG4GQTq4OaQQTYJ8eP4/L5uO7D3f5BUq4kaBQTcJ8ePx/r5uO7zU26OB8:fMMlG4GQm4OaHYJ8eP4D5uOHBBJ4kawr
Malware Config
Signatures
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Loads dropped DLL 2 IoCs
pid Process 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 2840 regsvr32.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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ca597a82-2168-4960-8601-0ca097cec9b1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ca597a82-2168-4960-8601-0ca097cec9b1}\ = "RichMediaViewV1release2757" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ca597a82-2168-4960-8601-0ca097cec9b1}\NoExplorer = "1" regsvr32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_98a9df22205600f9687c7d7c28ba208f.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ie\RichMediaViewV1release2757.dll VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ch\RichMediaViewV1release2757.crx VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\ffRichMediaViewV1release2757ffaction.js VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\overlay.xul VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\icons\default\RichMediaViewV1release2757_32.png VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\icons\Thumbs.db VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\icons\Thumbs.db VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome.manifest VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\install.rdf VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\ffRichMediaViewV1release2757ffaction.js VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\overlay.xul VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\icons VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\icons\default VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\icons\default\RichMediaViewV1release2757_32.png VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ch\RichMediaViewV1release2757.crx VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\ffRichMediaViewV1release2757.js VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\uninstall.exe VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome.manifest VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\install.rdf VirusShare_98a9df22205600f9687c7d7c28ba208f.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ff\chrome\content\ffRichMediaViewV1release2757.js VirusShare_98a9df22205600f9687c7d7c28ba208f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Approved Extensions\{ca597a82-2168-4960-8601-0ca097cec9b1} = 51667a6c4c1d3b1b926743d257720a029f094ee09e8e8aab VirusShare_98a9df22205600f9687c7d7c28ba208f.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_98a9df22205600f9687c7d7c28ba208f.exe -
Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\TypeLib\ = "{CB68B141-87AD-4254-8C82-40FBC02E9C4F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\TypeLib\ = "{CB68B141-87AD-4254-8C82-40FBC02E9C4F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\ = "Rich Media View" VirusShare_98a9df22205600f9687c7d7c28ba208f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\InprocServer32\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release2757\\ie\\RichMediaViewV1release2757.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release2757\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\ = "IRichMediaViewV1release2757BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1} VirusShare_98a9df22205600f9687c7d7c28ba208f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\ = "IRichMediaViewV1release2757BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\ = "RichMediaViewV1release2757" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1\ = "RichMediaViewV1release2757Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ca597a82-2168-4960-8601-0ca097cec9b1}\TypeLib\ = "{cb68b141-87ad-4254-8c82-40fbc02e9c4f}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB68B141-87AD-4254-8C82-40FBC02E9C4F}\1.1\0\win32\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release2757\\ie\\RichMediaViewV1release2757.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22C546B3-94E5-44F4-9D04-A0E957A2CBE4}\TypeLib regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2052 wrote to memory of 2840 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 29 PID 2052 wrote to memory of 2840 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 29 PID 2052 wrote to memory of 2840 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 29 PID 2052 wrote to memory of 2840 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 29 PID 2052 wrote to memory of 2840 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 29 PID 2052 wrote to memory of 2840 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 29 PID 2052 wrote to memory of 2840 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 29 PID 2052 wrote to memory of 2588 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 31 PID 2052 wrote to memory of 2588 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 31 PID 2052 wrote to memory of 2588 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 31 PID 2052 wrote to memory of 2588 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 31 PID 2052 wrote to memory of 2588 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 31 PID 2052 wrote to memory of 2588 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 31 PID 2052 wrote to memory of 2588 2052 VirusShare_98a9df22205600f9687c7d7c28ba208f.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_98a9df22205600f9687c7d7c28ba208f.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_98a9df22205600f9687c7d7c28ba208f.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release2757\ie\RichMediaViewV1release2757.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2840
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C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:2588
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
85KB
MD59a007a7a3ac50634aa58da5b685cea75
SHA12d6baca6e7f510b1c73256bc60a94549f3b3a965
SHA25639b15f1d7ea5532f3b31e0eb6052ba1a426d824af317c47473b749aebec33596
SHA5129ad9272c06ed70adf54e5ac9992870e1fc15505bbda3dcb36e34c9ad627c578e8a4ba5038e5e214c0480f6b4b36b3f2a08b657dbebadb47ddb44217c5acfd04f
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Filesize
567KB
MD5450753ad96785a240a39deccab3af0d0
SHA121c544064d2ffa6444508268ce258a330d459fc5
SHA2561c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3
SHA512c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab