Analysis
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max time kernel
134s -
max time network
299s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
19-09-2024 22:36
Static task
static1
Behavioral task
behavioral1
Sample
6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe
Resource
win10-20240404-en
General
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Target
6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe
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Size
293KB
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MD5
6d1999f1096cee3f06507e0d896d7c4a
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SHA1
947cde63e799d23622468caecd0172a4ce8e8c17
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SHA256
6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
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SHA512
eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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SSDEEP
6144:GjLJez4cSDiETFuowGsIceEprDhXEW0EP2YhkkaLr5GiHIHmhjwBIwEO:Gjdo4cQlUowGLzEJDh0HJXkUUioH8jlI
Malware Config
Extracted
vidar
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Signatures
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Detect Vidar Stealer 15 IoCs
resource yara_rule behavioral2/memory/2976-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-10-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-7-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-28-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-29-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-45-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-46-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-71-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-78-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-79-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2976-80-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5032-127-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5032-128-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5032-143-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5032-144-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 1052 CFHCBKKFIJ.exe 1312 KKJJEBFCGD.exe -
Loads dropped DLL 2 IoCs
pid Process 2976 RegAsm.exe 2976 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4740 set thread context of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 1052 set thread context of 1968 1052 CFHCBKKFIJ.exe 78 PID 1312 set thread context of 5032 1312 KKJJEBFCGD.exe 81 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CFHCBKKFIJ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KKJJEBFCGD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2824 timeout.exe -
Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 2976 RegAsm.exe 5032 RegAsm.exe 5032 RegAsm.exe 5032 RegAsm.exe 5032 RegAsm.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 4740 wrote to memory of 2976 4740 6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe 73 PID 2976 wrote to memory of 1052 2976 RegAsm.exe 75 PID 2976 wrote to memory of 1052 2976 RegAsm.exe 75 PID 2976 wrote to memory of 1052 2976 RegAsm.exe 75 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 1052 wrote to memory of 1968 1052 CFHCBKKFIJ.exe 78 PID 2976 wrote to memory of 1312 2976 RegAsm.exe 79 PID 2976 wrote to memory of 1312 2976 RegAsm.exe 79 PID 2976 wrote to memory of 1312 2976 RegAsm.exe 79 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 1312 wrote to memory of 5032 1312 KKJJEBFCGD.exe 81 PID 2976 wrote to memory of 440 2976 RegAsm.exe 82 PID 2976 wrote to memory of 440 2976 RegAsm.exe 82 PID 2976 wrote to memory of 440 2976 RegAsm.exe 82 PID 440 wrote to memory of 2824 440 cmd.exe 84 PID 440 wrote to memory of 2824 440 cmd.exe 84 PID 440 wrote to memory of 2824 440 cmd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe"C:\Users\Admin\AppData\Local\Temp\6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\ProgramData\CFHCBKKFIJ.exe"C:\ProgramData\CFHCBKKFIJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:1968
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C:\ProgramData\KKJJEBFCGD.exe"C:\ProgramData\KKJJEBFCGD.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1312 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:5032
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AKKKECBKKECG" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:440 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2824
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
355KB
MD5731a25a9b1f2c31056f7bd75c71deac4
SHA1ac95005a75add78f8226e553ff3bb32bcfeef1ea
SHA256d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d
SHA512efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4
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Filesize
148KB
MD590a1d4b55edf36fa8b4cc6974ed7d4c4
SHA1aba1b8d0e05421e7df5982899f626211c3c4b5c1
SHA2567cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c
SHA512ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2
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Filesize
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize2KB
MD54c4bf9e4d624f1045d8f73ed7f97dc3e
SHA11d78800f4a780fc6f75a778faeed2baaf84f2206
SHA2566dcfee83067db655225002d6ee68c1948d82de8a4b488355fbdee6fce73638db
SHA5124c950580ec4fb088382f066948964846bbee5d575eac1f70253e5adc3c09f071d398c1b6eb42fb2a00e017ba2a344ef6709c6f321a5b38db8bd39933989494bb
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD57ec05ad5ad4ea2f59d78a181b608dfb1
SHA195dfcb1ca8c7c6353bfc940c79f877d491158faa
SHA256197a38efa533f9ff60b730cbc9b5fb604893e8dfb08a9ba85f0e5424779e3759
SHA512da07b1ce6b278f20a93cfb83107be1a96bd134657be71f31b314e981ae9f85a8db50ae10458612bd460baca5e9402d5bce61b11ed648b191be42882273b8c00a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD59ea353ed4fed6ed641da2a1a1e66cbf3
SHA142cf55d3608819795042c23df5f18fcd2b6b0c58
SHA2565245794a9cb70971f00a51f56b8b5305d16629c4d0d0e95916371a20a6119485
SHA5127476acf575e998c56bae27703d635c82a5cfd43f736b9618ec430168148f25d79c97ca344670298b51956ca0b3707d6499ef5865fe1b933acb948dddc822d05e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5802afced146657c0a893284b21aff7a1
SHA14c59f6de83068bd172a3f5f367d7e9f04f8bbbb8
SHA256569eab8127251c850d0ecceaddb4bd3afbf2f74f740864c82d222e90bdeafc0a
SHA512d6df8513d34c7f3bd85922f639a2ea3cb01d43083955c7c7880d0cbe2e1a54b5226eb4e974cd8305033279fcbfeb9a83368ab154fab1adb00fd8fb186d7758f5
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD52189f194dcf0f63d3bbbeacae4c9136c
SHA17968cd3bb77284bae06e24e9ad1a4f38c6d6bcbf
SHA2566ee75c5ce3533c5735722345adc38f5764628227a0b17ae6793e0d693e7d861b
SHA5123f5259f8bd218847e0b29e1a5d0d31389c698262086416f9b1e345cbd1e33c939d71c1cbd456ee5ac0de5f5aaf06f83622775ea3e72c5994af14154bc923524b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5aced11e65a6c3812dd642bb532bcf974
SHA1d08808081eb588d3e7b583197d5c38e84dc14ec9
SHA256bf67566f7e3084b5cab06a7e9c8ed202964441d26028f1d97b345cd760b18100
SHA5128096ef7fd9648b522ebdfe35a0502b0016b048e4419017c1b6332d0171e2d3b55d0f75b3573974683ec9d5cd1e7b7581eaeb13df56ac73ba358ec2e3d5fe765d
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Filesize
103B
MD5277a29253da79e27c82aadc71ca27b6f
SHA174dafefa4c144602de915dc9e89b77f5ebac946a
SHA256ea7f8b2d37b5a5f43c102c7e0dafa32d425290183654cba3a69210561c859a4d
SHA512daa16ce6eaa2a4c5b2c5944ce0b35471419488a029282d86cf1d594039e5aed83d4b8ae116707eaab1380d6aee7865035905686dd8764cff23b946b2c94554b6
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571