Analysis
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max time kernel
9s -
max time network
11s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
22-01-2025 06:55
Static task
static1
Behavioral task
behavioral1
Sample
ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
Resource
win7-20241023-en
Errors
General
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Target
ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
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Size
1.1MB
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MD5
477e0a0b095713dc9f38e65e2842cd83
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SHA1
677c8ba9a314ed70bee73c57955b4de1edb54c67
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SHA256
ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82
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SHA512
ebf2571b2b9898bd0c1a12dbd34eca58ce8d89bf3bf54ae35e06a31aade262ea9c1c81f31c3ac6a369eff710d7c87bb84c573abe3dec7c8e31527e6ade30e29e
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SSDEEP
24576:lKnxgrmT26nNwmlH2YmiXFKZTXQ6NmCGjhbdhV:sAmTDnK+2YmiXgZTrqbdhV
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 4 IoCs
pid Process 2464 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 2060 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 2088 DesktopLayer.exe -
Loads dropped DLL 4 IoCs
pid Process 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 2464 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 2060 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe -
resource yara_rule behavioral1/files/0x000d0000000122de-5.dat upx behavioral1/memory/2464-10-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2464-7-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2088-40-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2064-37-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2088-47-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxB107.tmp ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\pxB136.tmp ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe -
System Location Discovery: System Language Discovery 1 TTPs 7 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 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DesktopLayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D0AF1C21-D88D-11EF-A0E6-E6A546A1E709} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 2088 DesktopLayer.exe 2088 DesktopLayer.exe 2088 DesktopLayer.exe 2088 DesktopLayer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 2060 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1364 iexplore.exe 1364 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 1364 iexplore.exe 1364 iexplore.exe 2264 IEXPLORE.EXE 2264 IEXPLORE.EXE 1364 iexplore.exe 1364 iexplore.exe 2676 IEXPLORE.EXE 2676 IEXPLORE.EXE 2676 IEXPLORE.EXE 2676 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 472 wrote to memory of 2464 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 30 PID 472 wrote to memory of 2464 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 30 PID 472 wrote to memory of 2464 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 30 PID 472 wrote to memory of 2464 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 30 PID 472 wrote to memory of 2060 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 31 PID 472 wrote to memory of 2060 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 31 PID 472 wrote to memory of 2060 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 31 PID 472 wrote to memory of 2060 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 31 PID 472 wrote to memory of 2060 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 31 PID 472 wrote to memory of 2060 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 31 PID 472 wrote to memory of 2060 472 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 31 PID 2060 wrote to memory of 2064 2060 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 33 PID 2060 wrote to memory of 2064 2060 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 33 PID 2060 wrote to memory of 2064 2060 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 33 PID 2060 wrote to memory of 2064 2060 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe 33 PID 2464 wrote to memory of 2088 2464 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 32 PID 2464 wrote to memory of 2088 2464 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 32 PID 2464 wrote to memory of 2088 2464 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 32 PID 2464 wrote to memory of 2088 2464 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 32 PID 2064 wrote to memory of 1364 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 34 PID 2064 wrote to memory of 1364 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 34 PID 2064 wrote to memory of 1364 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 34 PID 2064 wrote to memory of 1364 2064 ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe 34 PID 1364 wrote to memory of 2264 1364 iexplore.exe 35 PID 1364 wrote to memory of 2264 1364 iexplore.exe 35 PID 1364 wrote to memory of 2264 1364 iexplore.exe 35 PID 1364 wrote to memory of 2264 1364 iexplore.exe 35 PID 2088 wrote to memory of 2852 2088 DesktopLayer.exe 36 PID 2088 wrote to memory of 2852 2088 DesktopLayer.exe 36 PID 2088 wrote to memory of 2852 2088 DesktopLayer.exe 36 PID 2088 wrote to memory of 2852 2088 DesktopLayer.exe 36 PID 1364 wrote to memory of 2676 1364 iexplore.exe 37 PID 1364 wrote to memory of 2676 1364 iexplore.exe 37 PID 1364 wrote to memory of 2676 1364 iexplore.exe 37 PID 1364 wrote to memory of 2676 1364 iexplore.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe"C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:472 -
C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exeC:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵PID:2852
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C:\Users\Admin\AppData\Local\Temp\{FAA9AFF5-CBAA-4CB9-B097-BD4BE2161C19}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exeC:\Users\Admin\AppData\Local\Temp\{FAA9AFF5-CBAA-4CB9-B097-BD4BE2161C19}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe /q"C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe" /tempdisk1folder"C:\Users\Admin\AppData\Local\Temp\{FAA9AFF5-CBAA-4CB9-B097-BD4BE2161C19}" /IS_temp2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Users\Admin\AppData\Local\Temp\{FAA9AFF5-CBAA-4CB9-B097-BD4BE2161C19}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exeC:\Users\Admin\AppData\Local\Temp\{FAA9AFF5-CBAA-4CB9-B097-BD4BE2161C19}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2064 -
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:1364 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1364 CREDAT:275457 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2264
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1364 CREDAT:275464 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2676
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:1960
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2280
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
828B
MD53c4755bb2e85836729d0dc06073dd052
SHA114c37b06089c9fbcc8051ade9c1f70b4cf9e1a67
SHA25671842784ae46cba9f34f978cde5136e24fcc7913ad833d650ab42044cb5cb212
SHA51203c03ff17a08d3a18add47de9d4a65d68847a23502bfe3418b293d285d33fd893fea46ff70f13fa161f5f929ff145015bd46cffccd85dbf03a53118c9ef7477e
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\Users\Admin\AppData\Local\Temp\{FAA9AFF5-CBAA-4CB9-B097-BD4BE2161C19}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
Filesize1.1MB
MD5477e0a0b095713dc9f38e65e2842cd83
SHA1677c8ba9a314ed70bee73c57955b4de1edb54c67
SHA256ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82
SHA512ebf2571b2b9898bd0c1a12dbd34eca58ce8d89bf3bf54ae35e06a31aade262ea9c1c81f31c3ac6a369eff710d7c87bb84c573abe3dec7c8e31527e6ade30e29e