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
24/01/2025, 13:46
Behavioral task
behavioral1
Sample
b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe
Resource
win10v2004-20241007-en
General
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Target
b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe
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Size
1.6MB
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MD5
caeb6a1547b77ab78d44aa9b5c577f9f
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SHA1
a97288343833ab51a0a4963d597ea64d8f89364b
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SHA256
b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed
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SHA512
99af176137cec2f86729b378cfa196378741b844b1c89ac857731fde8911675399c5fe6a85c2074c11c53ba079e2da5761a57cec5459266fe3e2a581c7c650dc
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SSDEEP
12288:bB5a3hizhz/o456rn9lkQ8rxQslgBKR1jl9RL9BVnDXLmoIY7Tm+jZFluq9wd4UC:bkB4tpHlgGjlLHlFoq2d5C
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 10 IoCs
resource yara_rule behavioral2/memory/4512-36-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-43-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-45-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-47-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-48-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-49-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-52-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-53-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-56-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/4512-61-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades -
Modifies firewall policy service 3 TTPs 10 IoCs
description ioc Process 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 reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 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 reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 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\AuthorizedApplications 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe -
Executes dropped EXE 2 IoCs
pid Process 3604 winupdt.exe 4512 winupdt.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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 3604 set thread context of 4512 3604 winupdt.exe 86 -
resource yara_rule behavioral2/memory/3064-0-0x0000000000400000-0x00000000005A8000-memory.dmp upx behavioral2/files/0x000a000000023b7f-16.dat upx behavioral2/memory/3064-30-0x0000000000400000-0x00000000005A8000-memory.dmp upx behavioral2/memory/4512-31-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-36-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-34-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3604-42-0x0000000000400000-0x00000000005A8000-memory.dmp upx behavioral2/memory/4512-43-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-45-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-47-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-48-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-49-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-52-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-53-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-56-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4512-61-0x0000000000400000-0x000000000045C000-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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.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 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 winupdt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 1984 reg.exe 4968 reg.exe 904 reg.exe 4624 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 4512 winupdt.exe Token: SeCreateTokenPrivilege 4512 winupdt.exe Token: SeAssignPrimaryTokenPrivilege 4512 winupdt.exe Token: SeLockMemoryPrivilege 4512 winupdt.exe Token: SeIncreaseQuotaPrivilege 4512 winupdt.exe Token: SeMachineAccountPrivilege 4512 winupdt.exe Token: SeTcbPrivilege 4512 winupdt.exe Token: SeSecurityPrivilege 4512 winupdt.exe Token: SeTakeOwnershipPrivilege 4512 winupdt.exe Token: SeLoadDriverPrivilege 4512 winupdt.exe Token: SeSystemProfilePrivilege 4512 winupdt.exe Token: SeSystemtimePrivilege 4512 winupdt.exe Token: SeProfSingleProcessPrivilege 4512 winupdt.exe Token: SeIncBasePriorityPrivilege 4512 winupdt.exe Token: SeCreatePagefilePrivilege 4512 winupdt.exe Token: SeCreatePermanentPrivilege 4512 winupdt.exe Token: SeBackupPrivilege 4512 winupdt.exe Token: SeRestorePrivilege 4512 winupdt.exe Token: SeShutdownPrivilege 4512 winupdt.exe Token: SeDebugPrivilege 4512 winupdt.exe Token: SeAuditPrivilege 4512 winupdt.exe Token: SeSystemEnvironmentPrivilege 4512 winupdt.exe Token: SeChangeNotifyPrivilege 4512 winupdt.exe Token: SeRemoteShutdownPrivilege 4512 winupdt.exe Token: SeUndockPrivilege 4512 winupdt.exe Token: SeSyncAgentPrivilege 4512 winupdt.exe Token: SeEnableDelegationPrivilege 4512 winupdt.exe Token: SeManageVolumePrivilege 4512 winupdt.exe Token: SeImpersonatePrivilege 4512 winupdt.exe Token: SeCreateGlobalPrivilege 4512 winupdt.exe Token: 31 4512 winupdt.exe Token: 32 4512 winupdt.exe Token: 33 4512 winupdt.exe Token: 34 4512 winupdt.exe Token: 35 4512 winupdt.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3064 b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe 3604 winupdt.exe 4512 winupdt.exe 4512 winupdt.exe 4512 winupdt.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 3064 wrote to memory of 4388 3064 b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe 81 PID 3064 wrote to memory of 4388 3064 b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe 81 PID 3064 wrote to memory of 4388 3064 b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe 81 PID 4388 wrote to memory of 4612 4388 cmd.exe 84 PID 4388 wrote to memory of 4612 4388 cmd.exe 84 PID 4388 wrote to memory of 4612 4388 cmd.exe 84 PID 3064 wrote to memory of 3604 3064 b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe 85 PID 3064 wrote to memory of 3604 3064 b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe 85 PID 3064 wrote to memory of 3604 3064 b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe 85 PID 3604 wrote to memory of 4512 3604 winupdt.exe 86 PID 3604 wrote to memory of 4512 3604 winupdt.exe 86 PID 3604 wrote to memory of 4512 3604 winupdt.exe 86 PID 3604 wrote to memory of 4512 3604 winupdt.exe 86 PID 3604 wrote to memory of 4512 3604 winupdt.exe 86 PID 3604 wrote to memory of 4512 3604 winupdt.exe 86 PID 3604 wrote to memory of 4512 3604 winupdt.exe 86 PID 3604 wrote to memory of 4512 3604 winupdt.exe 86 PID 4512 wrote to memory of 444 4512 winupdt.exe 87 PID 4512 wrote to memory of 444 4512 winupdt.exe 87 PID 4512 wrote to memory of 444 4512 winupdt.exe 87 PID 4512 wrote to memory of 4552 4512 winupdt.exe 88 PID 4512 wrote to memory of 4552 4512 winupdt.exe 88 PID 4512 wrote to memory of 4552 4512 winupdt.exe 88 PID 4512 wrote to memory of 3276 4512 winupdt.exe 89 PID 4512 wrote to memory of 3276 4512 winupdt.exe 89 PID 4512 wrote to memory of 3276 4512 winupdt.exe 89 PID 4512 wrote to memory of 4356 4512 winupdt.exe 90 PID 4512 wrote to memory of 4356 4512 winupdt.exe 90 PID 4512 wrote to memory of 4356 4512 winupdt.exe 90 PID 444 wrote to memory of 1984 444 cmd.exe 95 PID 444 wrote to memory of 1984 444 cmd.exe 95 PID 444 wrote to memory of 1984 444 cmd.exe 95 PID 4552 wrote to memory of 4968 4552 cmd.exe 97 PID 4552 wrote to memory of 4968 4552 cmd.exe 97 PID 4552 wrote to memory of 4968 4552 cmd.exe 97 PID 3276 wrote to memory of 4624 3276 cmd.exe 98 PID 3276 wrote to memory of 4624 3276 cmd.exe 98 PID 3276 wrote to memory of 4624 3276 cmd.exe 98 PID 4356 wrote to memory of 904 4356 cmd.exe 99 PID 4356 wrote to memory of 904 4356 cmd.exe 99 PID 4356 wrote to memory of 904 4356 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe"C:\Users\Admin\AppData\Local\Temp\b61d9eb6f0cbbdac1fca08faa6e1cd070c1cc2be344c6eea0488ab671809f1ed.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BAxhg.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4388 -
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:4612
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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:3604 -
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:4512 -
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:444 -
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:1984
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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:4552 -
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:4968
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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:3276 -
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:4624
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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:4356 -
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:904
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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
MD558ff3432a020ad8d78e6aa82dbb35904
SHA1773f0563bca67bf9b61795da1885b126b453f5ca
SHA2561abd6e22914d5859430afa40e8038a9485e03642458e96da4e5ab7762e26468a
SHA512ce286fd42e159770346898f0dc715f932b3d1a6ae91a0b86b48ddf52dc530955fac70a7be68d348394f614501516066ceff96ab869cb5b53ffe4859b46dddbd9