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Analysis
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max time kernel
133s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 15:55
Behavioral task
behavioral1
Sample
990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe
Resource
win10v2004-20220812-en
General
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Target
990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe
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Size
399KB
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MD5
fcd741cfc67a456ea3ab81d9919ae5fd
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SHA1
265e7e07cdf5f4ac9bbd14750d854c9038ad3ac5
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SHA256
990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40
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SHA512
b98a7dbfe4b3bc900d292f215756b4db61e8a2e774f63bb255956d9989a8d55d6d900fe5d8727e4f4f265f0de761795ff622bb108dd0cb814ecbf46d5fea0063
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SSDEEP
6144:BBgh/58KGip9lmh0UwwDdxtPw13OyhFR8uHwqVGfOjB3RDnVh7WQ:BBMmKGnhDT+JlCIXRDnfWQ
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 628 svcr.exe 964 svcr.exe -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515} svcr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515}\StubPath = "C:\\windows\\svcr.exe" svcr.exe -
resource yara_rule behavioral1/memory/864-55-0x0000000000400000-0x00000000004A8000-memory.dmp upx behavioral1/files/0x00080000000139db-73.dat upx behavioral1/files/0x00080000000139db-76.dat upx behavioral1/memory/628-77-0x0000000000400000-0x00000000004A8000-memory.dmp upx behavioral1/memory/864-78-0x0000000000400000-0x00000000004A8000-memory.dmp upx behavioral1/files/0x00080000000139db-90.dat upx behavioral1/memory/628-103-0x0000000000400000-0x00000000004A8000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\svcr.exe" 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\svcr.exe" 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/864-55-0x0000000000400000-0x00000000004A8000-memory.dmp autoit_exe behavioral1/memory/628-77-0x0000000000400000-0x00000000004A8000-memory.dmp autoit_exe behavioral1/memory/864-78-0x0000000000400000-0x00000000004A8000-memory.dmp autoit_exe behavioral1/memory/628-103-0x0000000000400000-0x00000000004A8000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 864 set thread context of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 628 set thread context of 964 628 svcr.exe 33 -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\svcr.exe 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe File created C:\Windows\svcr.exe 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370403582" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{81811941-3886-11ED-BF3D-D6AAFEFD221A} = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 964 svcr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 964 svcr.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 820 IEXPLORE.EXE 820 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 820 IEXPLORE.EXE 820 IEXPLORE.EXE 1724 IEXPLORE.EXE 1724 IEXPLORE.EXE 1724 IEXPLORE.EXE 1724 IEXPLORE.EXE 820 IEXPLORE.EXE 820 IEXPLORE.EXE 1084 IEXPLORE.EXE 1084 IEXPLORE.EXE 1084 IEXPLORE.EXE 1084 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 864 wrote to memory of 960 864 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 27 PID 960 wrote to memory of 1768 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 28 PID 960 wrote to memory of 1768 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 28 PID 960 wrote to memory of 1768 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 28 PID 960 wrote to memory of 1768 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 28 PID 1768 wrote to memory of 820 1768 IEXPLORE.EXE 29 PID 1768 wrote to memory of 820 1768 IEXPLORE.EXE 29 PID 1768 wrote to memory of 820 1768 IEXPLORE.EXE 29 PID 1768 wrote to memory of 820 1768 IEXPLORE.EXE 29 PID 820 wrote to memory of 1724 820 IEXPLORE.EXE 31 PID 820 wrote to memory of 1724 820 IEXPLORE.EXE 31 PID 820 wrote to memory of 1724 820 IEXPLORE.EXE 31 PID 820 wrote to memory of 1724 820 IEXPLORE.EXE 31 PID 960 wrote to memory of 628 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 32 PID 960 wrote to memory of 628 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 32 PID 960 wrote to memory of 628 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 32 PID 960 wrote to memory of 628 960 990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe 32 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 628 wrote to memory of 964 628 svcr.exe 33 PID 964 wrote to memory of 536 964 svcr.exe 34 PID 964 wrote to memory of 536 964 svcr.exe 34 PID 964 wrote to memory of 536 964 svcr.exe 34 PID 964 wrote to memory of 536 964 svcr.exe 34 PID 536 wrote to memory of 1500 536 IEXPLORE.EXE 35 PID 536 wrote to memory of 1500 536 IEXPLORE.EXE 35 PID 536 wrote to memory of 1500 536 IEXPLORE.EXE 35 PID 536 wrote to memory of 1500 536 IEXPLORE.EXE 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35 PID 964 wrote to memory of 1500 964 svcr.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe"C:\Users\Admin\AppData\Local\Temp\990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Users\Admin\AppData\Local\Temp\990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe"C:\Users\Admin\AppData\Local\Temp\990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"3⤵
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:820 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1724
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:820 CREDAT:275472 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1084
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C:\Windows\svcr.exe"C:\Windows\svcr.exe" "C:\Users\Admin\AppData\Local\Temp\990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Windows\svcr.exe"C:\Windows\svcr.exe"4⤵
- Executes dropped EXE
- Modifies Installed Components in the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"5⤵
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"6⤵PID:1500
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
608B
MD5d2d88e4b16fc6a0f6414d3521df44a4d
SHA12fe45a69a471cc5918a268f81913f7c9ba305b62
SHA2565aeb58d2fc5df5d315d60b81ad229b8cf7f2fa9ae83c2a6c15bf291e83d40251
SHA512f111d005e6e47222d97de0b0c3f3ce04afff54f7eb90b866e12acc70a4d6b64f8051c59478c8e4d8b4a5d1bb45dddc19cddac2e5e2861385dedbbcda727233d8
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Filesize
399KB
MD5fcd741cfc67a456ea3ab81d9919ae5fd
SHA1265e7e07cdf5f4ac9bbd14750d854c9038ad3ac5
SHA256990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40
SHA512b98a7dbfe4b3bc900d292f215756b4db61e8a2e774f63bb255956d9989a8d55d6d900fe5d8727e4f4f265f0de761795ff622bb108dd0cb814ecbf46d5fea0063
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Filesize
399KB
MD5fcd741cfc67a456ea3ab81d9919ae5fd
SHA1265e7e07cdf5f4ac9bbd14750d854c9038ad3ac5
SHA256990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40
SHA512b98a7dbfe4b3bc900d292f215756b4db61e8a2e774f63bb255956d9989a8d55d6d900fe5d8727e4f4f265f0de761795ff622bb108dd0cb814ecbf46d5fea0063
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Filesize
399KB
MD5fcd741cfc67a456ea3ab81d9919ae5fd
SHA1265e7e07cdf5f4ac9bbd14750d854c9038ad3ac5
SHA256990131b2a5001c90431569f5aa44b8fbc4860bd8640645c8842c5bcf61ea2a40
SHA512b98a7dbfe4b3bc900d292f215756b4db61e8a2e774f63bb255956d9989a8d55d6d900fe5d8727e4f4f265f0de761795ff622bb108dd0cb814ecbf46d5fea0063