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Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24/02/2025, 02:52
Static task
static1
Behavioral task
behavioral1
Sample
86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe
Resource
win10v2004-20250217-en
General
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Target
86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe
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Size
1.6MB
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MD5
953c7777f56b3099939d6a50a5ef4d95
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SHA1
cb920027dae7b9f56e268440cd29328a2f559cc5
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SHA256
86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06
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SHA512
9b6c31ed6a158d38106d1994f9fcd0874aa8d536e56177f7c8a70000e660b3ef51dbb44f04537a105d223a2a4093b909e4551e99e7fa22f3d223fab838e6d77a
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SSDEEP
12288:WB5a3hizhz/o456rn9lkQ8rxQslgBKR1jl9RL9BVnDXLmoIY7Tm+jZFluq9wd4Uo:WkB4tpHlgGjlLHlFoq2d5o
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 behavioral1/memory/532-53-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-54-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-60-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-62-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-64-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-65-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-66-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-68-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-70-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-73-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/532-76-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades -
Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process 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 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 -
Executes dropped EXE 2 IoCs
pid Process 2576 winupdt.exe 532 winupdt.exe -
Loads dropped DLL 6 IoCs
pid Process 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 2576 winupdt.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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 2576 set thread context of 532 2576 winupdt.exe 34 -
resource yara_rule behavioral1/memory/532-51-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-52-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-53-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-54-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-48-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-60-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-62-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-64-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-65-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-66-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-68-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-70-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-73-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/532-76-0x0000000000400000-0x000000000045C000-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 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.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 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 cmd.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2436 reg.exe 1828 reg.exe 2388 reg.exe 2424 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 532 winupdt.exe Token: SeCreateTokenPrivilege 532 winupdt.exe Token: SeAssignPrimaryTokenPrivilege 532 winupdt.exe Token: SeLockMemoryPrivilege 532 winupdt.exe Token: SeIncreaseQuotaPrivilege 532 winupdt.exe Token: SeMachineAccountPrivilege 532 winupdt.exe Token: SeTcbPrivilege 532 winupdt.exe Token: SeSecurityPrivilege 532 winupdt.exe Token: SeTakeOwnershipPrivilege 532 winupdt.exe Token: SeLoadDriverPrivilege 532 winupdt.exe Token: SeSystemProfilePrivilege 532 winupdt.exe Token: SeSystemtimePrivilege 532 winupdt.exe Token: SeProfSingleProcessPrivilege 532 winupdt.exe Token: SeIncBasePriorityPrivilege 532 winupdt.exe Token: SeCreatePagefilePrivilege 532 winupdt.exe Token: SeCreatePermanentPrivilege 532 winupdt.exe Token: SeBackupPrivilege 532 winupdt.exe Token: SeRestorePrivilege 532 winupdt.exe Token: SeShutdownPrivilege 532 winupdt.exe Token: SeDebugPrivilege 532 winupdt.exe Token: SeAuditPrivilege 532 winupdt.exe Token: SeSystemEnvironmentPrivilege 532 winupdt.exe Token: SeChangeNotifyPrivilege 532 winupdt.exe Token: SeRemoteShutdownPrivilege 532 winupdt.exe Token: SeUndockPrivilege 532 winupdt.exe Token: SeSyncAgentPrivilege 532 winupdt.exe Token: SeEnableDelegationPrivilege 532 winupdt.exe Token: SeManageVolumePrivilege 532 winupdt.exe Token: SeImpersonatePrivilege 532 winupdt.exe Token: SeCreateGlobalPrivilege 532 winupdt.exe Token: 31 532 winupdt.exe Token: 32 532 winupdt.exe Token: 33 532 winupdt.exe Token: 34 532 winupdt.exe Token: 35 532 winupdt.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 2576 winupdt.exe 532 winupdt.exe 532 winupdt.exe 532 winupdt.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 2824 wrote to memory of 2872 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 30 PID 2824 wrote to memory of 2872 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 30 PID 2824 wrote to memory of 2872 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 30 PID 2824 wrote to memory of 2872 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 30 PID 2872 wrote to memory of 2584 2872 cmd.exe 32 PID 2872 wrote to memory of 2584 2872 cmd.exe 32 PID 2872 wrote to memory of 2584 2872 cmd.exe 32 PID 2872 wrote to memory of 2584 2872 cmd.exe 32 PID 2824 wrote to memory of 2576 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 33 PID 2824 wrote to memory of 2576 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 33 PID 2824 wrote to memory of 2576 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 33 PID 2824 wrote to memory of 2576 2824 86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe 33 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 2576 wrote to memory of 532 2576 winupdt.exe 34 PID 532 wrote to memory of 1716 532 winupdt.exe 35 PID 532 wrote to memory of 1716 532 winupdt.exe 35 PID 532 wrote to memory of 1716 532 winupdt.exe 35 PID 532 wrote to memory of 1716 532 winupdt.exe 35 PID 532 wrote to memory of 2616 532 winupdt.exe 36 PID 532 wrote to memory of 2616 532 winupdt.exe 36 PID 532 wrote to memory of 2616 532 winupdt.exe 36 PID 532 wrote to memory of 2616 532 winupdt.exe 36 PID 532 wrote to memory of 2892 532 winupdt.exe 38 PID 532 wrote to memory of 2892 532 winupdt.exe 38 PID 532 wrote to memory of 2892 532 winupdt.exe 38 PID 532 wrote to memory of 2892 532 winupdt.exe 38 PID 532 wrote to memory of 2968 532 winupdt.exe 40 PID 532 wrote to memory of 2968 532 winupdt.exe 40 PID 532 wrote to memory of 2968 532 winupdt.exe 40 PID 532 wrote to memory of 2968 532 winupdt.exe 40 PID 2616 wrote to memory of 2388 2616 cmd.exe 41 PID 2616 wrote to memory of 2388 2616 cmd.exe 41 PID 2616 wrote to memory of 2388 2616 cmd.exe 41 PID 2616 wrote to memory of 2388 2616 cmd.exe 41 PID 1716 wrote to memory of 2424 1716 cmd.exe 42 PID 1716 wrote to memory of 2424 1716 cmd.exe 42 PID 1716 wrote to memory of 2424 1716 cmd.exe 42 PID 1716 wrote to memory of 2424 1716 cmd.exe 42 PID 2968 wrote to memory of 2436 2968 cmd.exe 45 PID 2968 wrote to memory of 2436 2968 cmd.exe 45 PID 2968 wrote to memory of 2436 2968 cmd.exe 45 PID 2968 wrote to memory of 2436 2968 cmd.exe 45 PID 2892 wrote to memory of 1828 2892 cmd.exe 46 PID 2892 wrote to memory of 1828 2892 cmd.exe 46 PID 2892 wrote to memory of 1828 2892 cmd.exe 46 PID 2892 wrote to memory of 1828 2892 cmd.exe 46
Processes
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C:\Users\Admin\AppData\Local\Temp\86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe"C:\Users\Admin\AppData\Local\Temp\86e431507f38ada31e45211d943f0cb53a9c452467389d9e82a2251cbb717c06.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\NIYfd.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872 -
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:2584
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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
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2576 -
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:532 -
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:1716 -
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:2424
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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:2616 -
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:2388
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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:2892 -
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:1828
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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:2968 -
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:2436
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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
MD52eaf1af8c0c8fcc5b9df408b610ed341
SHA1cf4ad4c3a5045339f30888ee101656de08dee60e
SHA256e6a0edbc62d1348d4d0b4706b2b0d6b09cd7ca6756592c4e1c767aa042e0f5aa
SHA512f89ee97ce660ba3279c4cf272c062717386027a8205fffac66fbc957d539ff71c148f09955b2013fcb6fda5f01d75fe74027882cde4041686c8890dd8c619bbe