Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2025 15:36
Behavioral task
behavioral1
Sample
ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe
Resource
win10v2004-20241007-en
General
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Target
ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe
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Size
1.6MB
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MD5
13660a1a0442a03e522a6c1c980e457b
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SHA1
0aa3b6611b4924aa419c1c3b5fce921df70a1c9e
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SHA256
ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25
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SHA512
c24b9ee84236545e0f9efa528af6f924482302c570882ce479a64fc853c56c49ce3629ecd39a061ea66d3bd846adab2ba4308e9bb161a8a5d9ba2746c329d9c0
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SSDEEP
12288:bB5a3hizhz/o456rn9lkQ8rxQslgBKR1jl9RL9BVnDXLmoIY7Tm+jZFluq9wd4Uf:bkB4tpHlgGjlLHlFoq2d5f
Malware Config
Signatures
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Blackshades
Blackshades is a remote access trojan with various capabilities.
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Blackshades family
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Blackshades payload 11 IoCs
resource yara_rule behavioral2/memory/1140-36-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-43-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-45-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-47-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-48-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-49-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-51-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-52-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-53-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-56-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/1140-57-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades -
Modifies firewall policy service 3 TTPs 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Windows Updater.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Updater.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update\\winupdt.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe -
Executes dropped EXE 2 IoCs
pid Process 3132 winupdt.exe 1140 winupdt.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Window Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update\\winupdt.exe" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3132 set thread context of 1140 3132 winupdt.exe 88 -
resource yara_rule behavioral2/memory/5096-0-0x0000000000400000-0x00000000005A8000-memory.dmp upx behavioral2/files/0x000b000000023b5a-16.dat upx behavioral2/memory/5096-30-0x0000000000400000-0x00000000005A8000-memory.dmp upx behavioral2/memory/1140-31-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-34-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-36-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3132-40-0x0000000000400000-0x00000000005A8000-memory.dmp upx behavioral2/memory/1140-43-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-45-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-47-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-48-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-49-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-51-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-52-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-53-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-56-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1140-57-0x0000000000400000-0x000000000045C000-memory.dmp upx -
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 13 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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 636 reg.exe 4944 reg.exe 4212 reg.exe 2704 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 1140 winupdt.exe Token: SeCreateTokenPrivilege 1140 winupdt.exe Token: SeAssignPrimaryTokenPrivilege 1140 winupdt.exe Token: SeLockMemoryPrivilege 1140 winupdt.exe Token: SeIncreaseQuotaPrivilege 1140 winupdt.exe Token: SeMachineAccountPrivilege 1140 winupdt.exe Token: SeTcbPrivilege 1140 winupdt.exe Token: SeSecurityPrivilege 1140 winupdt.exe Token: SeTakeOwnershipPrivilege 1140 winupdt.exe Token: SeLoadDriverPrivilege 1140 winupdt.exe Token: SeSystemProfilePrivilege 1140 winupdt.exe Token: SeSystemtimePrivilege 1140 winupdt.exe Token: SeProfSingleProcessPrivilege 1140 winupdt.exe Token: SeIncBasePriorityPrivilege 1140 winupdt.exe Token: SeCreatePagefilePrivilege 1140 winupdt.exe Token: SeCreatePermanentPrivilege 1140 winupdt.exe Token: SeBackupPrivilege 1140 winupdt.exe Token: SeRestorePrivilege 1140 winupdt.exe Token: SeShutdownPrivilege 1140 winupdt.exe Token: SeDebugPrivilege 1140 winupdt.exe Token: SeAuditPrivilege 1140 winupdt.exe Token: SeSystemEnvironmentPrivilege 1140 winupdt.exe Token: SeChangeNotifyPrivilege 1140 winupdt.exe Token: SeRemoteShutdownPrivilege 1140 winupdt.exe Token: SeUndockPrivilege 1140 winupdt.exe Token: SeSyncAgentPrivilege 1140 winupdt.exe Token: SeEnableDelegationPrivilege 1140 winupdt.exe Token: SeManageVolumePrivilege 1140 winupdt.exe Token: SeImpersonatePrivilege 1140 winupdt.exe Token: SeCreateGlobalPrivilege 1140 winupdt.exe Token: 31 1140 winupdt.exe Token: 32 1140 winupdt.exe Token: 33 1140 winupdt.exe Token: 34 1140 winupdt.exe Token: 35 1140 winupdt.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 5096 ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe 3132 winupdt.exe 1140 winupdt.exe 1140 winupdt.exe 1140 winupdt.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 5096 wrote to memory of 2532 5096 ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe 83 PID 5096 wrote to memory of 2532 5096 ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe 83 PID 5096 wrote to memory of 2532 5096 ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe 83 PID 2532 wrote to memory of 1392 2532 cmd.exe 86 PID 2532 wrote to memory of 1392 2532 cmd.exe 86 PID 2532 wrote to memory of 1392 2532 cmd.exe 86 PID 5096 wrote to memory of 3132 5096 ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe 87 PID 5096 wrote to memory of 3132 5096 ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe 87 PID 5096 wrote to memory of 3132 5096 ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe 87 PID 3132 wrote to memory of 1140 3132 winupdt.exe 88 PID 3132 wrote to memory of 1140 3132 winupdt.exe 88 PID 3132 wrote to memory of 1140 3132 winupdt.exe 88 PID 3132 wrote to memory of 1140 3132 winupdt.exe 88 PID 3132 wrote to memory of 1140 3132 winupdt.exe 88 PID 3132 wrote to memory of 1140 3132 winupdt.exe 88 PID 3132 wrote to memory of 1140 3132 winupdt.exe 88 PID 3132 wrote to memory of 1140 3132 winupdt.exe 88 PID 1140 wrote to memory of 1084 1140 winupdt.exe 89 PID 1140 wrote to memory of 1084 1140 winupdt.exe 89 PID 1140 wrote to memory of 1084 1140 winupdt.exe 89 PID 1140 wrote to memory of 4828 1140 winupdt.exe 90 PID 1140 wrote to memory of 4828 1140 winupdt.exe 90 PID 1140 wrote to memory of 4828 1140 winupdt.exe 90 PID 1140 wrote to memory of 892 1140 winupdt.exe 92 PID 1140 wrote to memory of 892 1140 winupdt.exe 92 PID 1140 wrote to memory of 892 1140 winupdt.exe 92 PID 1140 wrote to memory of 4748 1140 winupdt.exe 94 PID 1140 wrote to memory of 4748 1140 winupdt.exe 94 PID 1140 wrote to memory of 4748 1140 winupdt.exe 94 PID 4828 wrote to memory of 4944 4828 cmd.exe 97 PID 4828 wrote to memory of 4944 4828 cmd.exe 97 PID 4828 wrote to memory of 4944 4828 cmd.exe 97 PID 1084 wrote to memory of 636 1084 cmd.exe 98 PID 1084 wrote to memory of 636 1084 cmd.exe 98 PID 1084 wrote to memory of 636 1084 cmd.exe 98 PID 4748 wrote to memory of 4212 4748 cmd.exe 99 PID 4748 wrote to memory of 4212 4748 cmd.exe 99 PID 4748 wrote to memory of 4212 4748 cmd.exe 99 PID 892 wrote to memory of 2704 892 cmd.exe 100 PID 892 wrote to memory of 2704 892 cmd.exe 100 PID 892 wrote to memory of 2704 892 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe"C:\Users\Admin\AppData\Local\Temp\ef367fad61bfa2778578ffb51b9d65f70b20ffa4ad0ee7df6e22cde8479c4f25.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\dsuxh.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Window Updates" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1392
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C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1140 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:636
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4944
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2704
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4212
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
158B
MD51954c7e666c5b4d1117ef07bc0c9b8ec
SHA1559e3c0273c1463e9184027b749bdaad0a372681
SHA25635e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693
SHA5123939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a
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Filesize
1.6MB
MD5bfa08cd87e730530cc715231670e13ae
SHA1ca11b890b6f0ec647ddf0f72661b498728145493
SHA25609cfa6d6e7c328b7f9a32393ac962043d03da0cf00017f0ab63c2e949ea96785
SHA5127ee4e82cbcf8dbaba9caf79e3b685798c547c911110a385089320fa2c192c74c2ccb0079bec9f04fd33d2005e7999c7fd8322b7e48990d7de02b9a62db6d43c1