Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
07/09/2024, 06:29
Behavioral task
behavioral1
Sample
fb53f23f9218e02bebf6ab5aee236d10N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
fb53f23f9218e02bebf6ab5aee236d10N.exe
Resource
win10v2004-20240802-en
General
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Target
fb53f23f9218e02bebf6ab5aee236d10N.exe
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Size
1.8MB
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MD5
fb53f23f9218e02bebf6ab5aee236d10
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SHA1
aafed041fedb28863aae17f5ccd1dcc359997f3e
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SHA256
036d65c8e67dcdabf02d8278dac4d595570aabbac79c4746756c5c63ff39bd46
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SHA512
2ee10092c6be55f35871bbe1253d9cf60e203d5b905dc55dbcc2fcb96bc2acf563ca4e167693f4997fdd25aeb5afbedd985996d2521a3ee4008311d4f5a66e01
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SSDEEP
49152:wNMqQ0kwonLVkZep9nWrPWwONrRoODiGgDWAg2CPaSAnYvJW3BTSXff6YNQVWIPf:wiqQ0kwonLVkZep9nWrPWwONrRoODiGS
Malware Config
Signatures
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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 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\darkeye-nosttingspersistent.exe = "C:\\Users\\Admin\\AppData\\Roaming\\darkeye-nosttingspersistent.exe:*:Enabled:Windows Messanger" 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\Firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Firefox.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe -
Executes dropped EXE 3 IoCs
pid Process 2808 Firefox.exe 2892 Firefox.exe 2192 Firefox.exe -
Loads dropped DLL 7 IoCs
pid Process 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 2808 Firefox.exe 2808 Firefox.exe -
resource yara_rule behavioral1/memory/2368-2-0x0000000000400000-0x00000000005DA000-memory.dmp upx behavioral1/files/0x0007000000019223-27.dat upx behavioral1/memory/2368-44-0x0000000000400000-0x00000000005DA000-memory.dmp upx behavioral1/memory/2892-58-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2808-49-0x0000000000400000-0x00000000005DA000-memory.dmp upx behavioral1/memory/2192-57-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2892-54-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2192-53-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2892-59-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2192-60-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2892-65-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2192-64-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2808-69-0x0000000000400000-0x00000000005DA000-memory.dmp upx behavioral1/memory/2192-73-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2892-72-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2892-74-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2892-76-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2892-78-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2892-81-0x0000000000400000-0x000000000045D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Updater 3 = "C:\\Users\\Admin\\AppData\\Roaming\\Firefox.exe" reg.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2808 set thread context of 2892 2808 Firefox.exe 34 PID 2808 set thread context of 2192 2808 Firefox.exe 35 -
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 14 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fb53f23f9218e02bebf6ab5aee236d10N.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 Firefox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Firefox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Firefox.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 reg.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2356 reg.exe 1796 reg.exe 1072 reg.exe 1296 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 2192 Firefox.exe Token: 1 2892 Firefox.exe Token: SeCreateTokenPrivilege 2892 Firefox.exe Token: SeAssignPrimaryTokenPrivilege 2892 Firefox.exe Token: SeLockMemoryPrivilege 2892 Firefox.exe Token: SeIncreaseQuotaPrivilege 2892 Firefox.exe Token: SeMachineAccountPrivilege 2892 Firefox.exe Token: SeTcbPrivilege 2892 Firefox.exe Token: SeSecurityPrivilege 2892 Firefox.exe Token: SeTakeOwnershipPrivilege 2892 Firefox.exe Token: SeLoadDriverPrivilege 2892 Firefox.exe Token: SeSystemProfilePrivilege 2892 Firefox.exe Token: SeSystemtimePrivilege 2892 Firefox.exe Token: SeProfSingleProcessPrivilege 2892 Firefox.exe Token: SeIncBasePriorityPrivilege 2892 Firefox.exe Token: SeCreatePagefilePrivilege 2892 Firefox.exe Token: SeCreatePermanentPrivilege 2892 Firefox.exe Token: SeBackupPrivilege 2892 Firefox.exe Token: SeRestorePrivilege 2892 Firefox.exe Token: SeShutdownPrivilege 2892 Firefox.exe Token: SeDebugPrivilege 2892 Firefox.exe Token: SeAuditPrivilege 2892 Firefox.exe Token: SeSystemEnvironmentPrivilege 2892 Firefox.exe Token: SeChangeNotifyPrivilege 2892 Firefox.exe Token: SeRemoteShutdownPrivilege 2892 Firefox.exe Token: SeUndockPrivilege 2892 Firefox.exe Token: SeSyncAgentPrivilege 2892 Firefox.exe Token: SeEnableDelegationPrivilege 2892 Firefox.exe Token: SeManageVolumePrivilege 2892 Firefox.exe Token: SeImpersonatePrivilege 2892 Firefox.exe Token: SeCreateGlobalPrivilege 2892 Firefox.exe Token: 31 2892 Firefox.exe Token: 32 2892 Firefox.exe Token: 33 2892 Firefox.exe Token: 34 2892 Firefox.exe Token: 35 2892 Firefox.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 2808 Firefox.exe 2192 Firefox.exe 2892 Firefox.exe 2892 Firefox.exe 2892 Firefox.exe -
Suspicious use of WriteProcessMemory 62 IoCs
description pid Process procid_target PID 2368 wrote to memory of 2556 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 30 PID 2368 wrote to memory of 2556 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 30 PID 2368 wrote to memory of 2556 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 30 PID 2368 wrote to memory of 2556 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 30 PID 2556 wrote to memory of 2204 2556 cmd.exe 32 PID 2556 wrote to memory of 2204 2556 cmd.exe 32 PID 2556 wrote to memory of 2204 2556 cmd.exe 32 PID 2556 wrote to memory of 2204 2556 cmd.exe 32 PID 2368 wrote to memory of 2808 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 33 PID 2368 wrote to memory of 2808 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 33 PID 2368 wrote to memory of 2808 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 33 PID 2368 wrote to memory of 2808 2368 fb53f23f9218e02bebf6ab5aee236d10N.exe 33 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2892 2808 Firefox.exe 34 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2808 wrote to memory of 2192 2808 Firefox.exe 35 PID 2892 wrote to memory of 2624 2892 Firefox.exe 36 PID 2892 wrote to memory of 2624 2892 Firefox.exe 36 PID 2892 wrote to memory of 2624 2892 Firefox.exe 36 PID 2892 wrote to memory of 2624 2892 Firefox.exe 36 PID 2892 wrote to memory of 2400 2892 Firefox.exe 37 PID 2892 wrote to memory of 2400 2892 Firefox.exe 37 PID 2892 wrote to memory of 2400 2892 Firefox.exe 37 PID 2892 wrote to memory of 2400 2892 Firefox.exe 37 PID 2892 wrote to memory of 3028 2892 Firefox.exe 40 PID 2892 wrote to memory of 3028 2892 Firefox.exe 40 PID 2892 wrote to memory of 3028 2892 Firefox.exe 40 PID 2892 wrote to memory of 3028 2892 Firefox.exe 40 PID 2892 wrote to memory of 3068 2892 Firefox.exe 41 PID 2892 wrote to memory of 3068 2892 Firefox.exe 41 PID 2892 wrote to memory of 3068 2892 Firefox.exe 41 PID 2892 wrote to memory of 3068 2892 Firefox.exe 41 PID 3028 wrote to memory of 1796 3028 cmd.exe 44 PID 3028 wrote to memory of 1796 3028 cmd.exe 44 PID 3028 wrote to memory of 1796 3028 cmd.exe 44 PID 3028 wrote to memory of 1796 3028 cmd.exe 44 PID 2400 wrote to memory of 1072 2400 cmd.exe 45 PID 2400 wrote to memory of 1072 2400 cmd.exe 45 PID 2400 wrote to memory of 1072 2400 cmd.exe 45 PID 2400 wrote to memory of 1072 2400 cmd.exe 45 PID 3068 wrote to memory of 1296 3068 cmd.exe 46 PID 3068 wrote to memory of 1296 3068 cmd.exe 46 PID 3068 wrote to memory of 1296 3068 cmd.exe 46 PID 3068 wrote to memory of 1296 3068 cmd.exe 46 PID 2624 wrote to memory of 2356 2624 cmd.exe 47 PID 2624 wrote to memory of 2356 2624 cmd.exe 47 PID 2624 wrote to memory of 2356 2624 cmd.exe 47 PID 2624 wrote to memory of 2356 2624 cmd.exe 47
Processes
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C:\Users\Admin\AppData\Local\Temp\fb53f23f9218e02bebf6ab5aee236d10N.exe"C:\Users\Admin\AppData\Local\Temp\fb53f23f9218e02bebf6ab5aee236d10N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\EUpDT.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Updater 3" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe" /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2204
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C:\Users\Admin\AppData\Roaming\Firefox.exe"C:\Users\Admin\AppData\Roaming\Firefox.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:2808 -
C:\Users\Admin\AppData\Roaming\Firefox.exeC:\Users\Admin\AppData\Roaming\Firefox.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2892 -
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:2624 -
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:2356
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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\Firefox.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Firefox.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1072
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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:3028 -
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:1796
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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\darkeye-nosttingspersistent.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1296
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C:\Users\Admin\AppData\Roaming\Firefox.exeC:\Users\Admin\AppData\Roaming\Firefox.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2192
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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
143B
MD5962bc493b87f298696ad6e3eed7c7937
SHA1985cc0c7e37e2465c4349abd528e120663ebd205
SHA256c167e2faa5307ac291ff833b8a1f5f802eaa028d1aba8d1ad342ca84c07bdb01
SHA5129dd2b755a404b74206b713ab17d2ddedacc48910e942dab71cf7e98d8d25322c24e32648f0881136e5425134aaccfbfd9bdc52ceb4519bd07e97c5564116f173
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Filesize
1.8MB
MD5b08b59269163ed2083e8fd4dfc65ac8a
SHA1da4b93505881c2f074d9c607a8e0414525f84fef
SHA25666567ca39268e69a89d08715a11902cbe7170b89a043be35ffb0dcf3d3d826ba
SHA5122e721334e0861c3ab133d9e5d6c4e7e66b2911726b619e0f38b4a366c449f7ada7344e5660113d927b10bc7e7f64ecf539bfebbdb2d04c665ff2f2301ff7b8b5