Analysis
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max time kernel
146s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/09/2024, 09:22
Static task
static1
Behavioral task
behavioral1
Sample
ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe
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Size
712KB
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MD5
ef7e3f05d33a5b9befd1e0615fad4489
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SHA1
310563f052e4ce5f92e8b655cf04444a8c056506
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SHA256
08796b1df82dd1cad1cb9470562c6fe97a5b682d8f79bda6bf3645cb168e57b3
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SHA512
00f1b96fe40bd20894080cc2720d8178f59a12031830209f94c3a31fd6f78f9e6e6aa1725dc59d47d46d3962cbc1eebb9a9905c1e1e23def27888a4325f2d956
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SSDEEP
12288:Ggji3IoVKpBtmz1P+fNNZHCRInBZqpzUF4AnjZnMei/SFfdYTQu2zwwGaJ:XyIo0tmZPwzFqtURjZnli5k3zwcJ
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\"" ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\"" lsass.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2892 netsh.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion lsass.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate lsass.exe -
Deletes itself 1 IoCs
pid Process 2760 lsass.exe -
Executes dropped EXE 2 IoCs
pid Process 2260 lsass.exe 2760 lsass.exe -
Loads dropped DLL 3 IoCs
pid Process 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 2260 lsass.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\"" ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\"" ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\"" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\"" lsass.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Modifies registry class 17 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\ = "PSFactoryBuffer" ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\iryvj = "WfIMM@" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\xvbWga = "\x7fwQ_oxFI~dI@Q|iUp|Kj\x7fQYzcCd\x7f}]" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\ryncyznmeHlaa = "mapgfeDm~\\vm|odSvXkbQ" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\InProcServer32\ThreadingModel = "Both" ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\jirrxitgjrmg = "RY[\x7fXdnPE[hutLUuK\x7fBC\x7f" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\zRisemqZ = "hbuazuuEMh`pH\x7fREn}sPX" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\guCviTdgnf = "yA\x7fVDNVI_vCsCg]G" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\iryvj = "{AYbo@" lsass.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890} ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\InProcServer32 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\nmaUmfpyx = "qJD\x7fdPFmftHG@n~LmhTriwx[fU^fnu" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\ryncyznmeHlaa = "mapgfeGm~\\vm|odSvXkbQ" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\zRisemqZ = "hbuazuuEMh`pH\x7fREn}sSX" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\guCviTdgnf = "yA\x7fVDNVI_v_sCg]G" lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\InProcServer32\ = "C:\\Windows\\SysWOW64\\msi.dll" ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{077322F9-B769-8000-6738-B44805019890}\ymtjgKzhodTqc = "|KD]HTXABeP}D@ki@" lsass.exe -
NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\ProgramData\TEMP:1A3830B1 lsass.exe File created C:\ProgramData\TEMP:1A3830B1 lsass.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: 33 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Token: 33 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe Token: 33 2760 lsass.exe Token: SeIncBasePriorityPrivilege 2760 lsass.exe Token: 33 2760 lsass.exe Token: SeIncBasePriorityPrivilege 2760 lsass.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 2760 lsass.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2376 wrote to memory of 2892 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2892 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2892 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2892 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 31 PID 2376 wrote to memory of 2260 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 33 PID 2376 wrote to memory of 2260 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 33 PID 2376 wrote to memory of 2260 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 33 PID 2376 wrote to memory of 2260 2376 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 33 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2960 wrote to memory of 2376 2960 ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe 30 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34 PID 2260 wrote to memory of 2760 2260 lsass.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960 -
C:\Users\Admin\AppData\Local\Temp\ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe"2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram program = C:\Users\Admin\AppData\Roaming\lsass.exename = Nero mode = ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2892
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C:\Users\Admin\AppData\Roaming\lsass.exe"C:\Users\Admin\AppData\Roaming\lsass.exe" /d C:\Users\Admin\AppData\Local\Temp\ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Users\Admin\AppData\Roaming\lsass.exe"C:\Users\Admin\AppData\Roaming\lsass.exe" /d C:\Users\Admin\AppData\Local\Temp\ef7e3f05d33a5b9befd1e0615fad4489_JaffaCakes118.exe4⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2760
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
120B
MD5f9e428f3acc1de4d2def5079c8b22c8e
SHA18305d34d3c10796e1185267dbdc1a7dcdebd632f
SHA2566e6a86240e25aab256a69ff4b78ec22354d40974e3d3b510ac84ca2f14be481b
SHA512409213128af16cf712796dc302962490388a6d16a6b8bfb848460456b4ae5136aa262e0d6619040ba3c1cf199f980f6d41c3a0e3c222c9ce5932ef17057402d8
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Filesize
712KB
MD573f9995491dea368e7aff99b1ba0e116
SHA1583335c208d7bf9c10b1bb0404e80e6df815b973
SHA256d5409e08529f52c7804d85a31ceb82568b8085bd781893c8314dccf6d29fa701
SHA512afa41b43bfa84dc52b0628a3f865a4b8c94f977297afd1fec562da1388b52a7578c268f9d616e9c0f5f55f27a54f7306dc14f22cfdf3df81391ac1b7ae2613b9