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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17/08/2024, 22:46
Behavioral task
behavioral1
Sample
a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe
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Size
64KB
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MD5
a4725dfdf2eaf3421d1cea652e255acf
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SHA1
c393512fe1317c8a58e6fa523af52a1dfe653169
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SHA256
c608ec38d7f12d3b94b12b47c2bf0c5e006ad07ec1ea82f92f3d84fd80c94c90
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SHA512
b5d6ef0fc33213dfdfe34ca49b849d98f284631e0ff698464d5a3a1fcee4017608a788e446601af45ea1822a16a5957148846a3a0ebf4e26b50bef88d6c1ef00
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SSDEEP
1536:8f9KFfrXYEJLoEm/Duq8hi5n2thxW5uYDPF22x:0mXYCLQbudhq2vx8k2x
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" regserv.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" regserv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" regserv.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000f0000000233a9-18.dat acprotect -
Deletes itself 1 IoCs
pid Process 2880 regserv.exe -
Executes dropped EXE 2 IoCs
pid Process 2880 regserv.exe 3572 svchctrl.exe -
Loads dropped DLL 1 IoCs
pid Process 2880 regserv.exe -
resource yara_rule behavioral2/memory/1240-0-0x0000000000500000-0x000000000051A000-memory.dmp upx behavioral2/files/0x0008000000023490-4.dat upx behavioral2/memory/1240-5-0x0000000000500000-0x000000000051A000-memory.dmp upx behavioral2/files/0x000e0000000233ac-14.dat upx behavioral2/memory/3572-15-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral2/files/0x000f0000000233a9-18.dat upx behavioral2/memory/2880-19-0x0000000010000000-0x0000000010012000-memory.dmp upx behavioral2/memory/2880-30-0x0000000000500000-0x000000000051A000-memory.dmp upx behavioral2/memory/2880-32-0x0000000010000000-0x0000000010012000-memory.dmp upx behavioral2/memory/3572-33-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral2/memory/2880-48-0x0000000000500000-0x000000000051A000-memory.dmp upx behavioral2/memory/2880-49-0x0000000010000000-0x0000000010012000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" regserv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" regserv.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdateR = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe /s" a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdateR = "C:\\Windows\\System\\regserv.exe /s" regserv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\svchctrl = "c:\\windows\\system\\svchctrl.exe" svchctrl.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchctrl = "c:\\windows\\system\\svchctrl.exe" svchctrl.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe -
Drops file in Windows directory 8 IoCs
description ioc Process File created C:\Windows\System\svchctrl.dll regserv.exe File opened for modification C:\Windows\System\svchctrl.exe regserv.exe File created C:\Windows\System\svchctrl.exe regserv.exe File opened for modification C:\Windows\System\regserv.exe a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe File created C:\Windows\System\regserv.exe a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe File opened for modification C:\Windows\System\regserv.dll regserv.exe File created C:\Windows\System\regserv.dll regserv.exe File opened for modification C:\Windows\System\svchctrl.dll regserv.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchctrl.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 3572 svchctrl.exe 2880 regserv.exe 2880 regserv.exe 3572 svchctrl.exe 3572 svchctrl.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1240 wrote to memory of 2880 1240 a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe 86 PID 1240 wrote to memory of 2880 1240 a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe 86 PID 1240 wrote to memory of 2880 1240 a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe 86 PID 2880 wrote to memory of 3572 2880 regserv.exe 93 PID 2880 wrote to memory of 3572 2880 regserv.exe 93 PID 2880 wrote to memory of 3572 2880 regserv.exe 93 PID 3572 wrote to memory of 2548 3572 svchctrl.exe 44 PID 3572 wrote to memory of 2548 3572 svchctrl.exe 44 PID 3572 wrote to memory of 2572 3572 svchctrl.exe 45 PID 3572 wrote to memory of 2572 3572 svchctrl.exe 45 PID 3572 wrote to memory of 2896 3572 svchctrl.exe 51 PID 3572 wrote to memory of 2896 3572 svchctrl.exe 51 PID 3572 wrote to memory of 3416 3572 svchctrl.exe 56 PID 3572 wrote to memory of 3416 3572 svchctrl.exe 56 PID 3572 wrote to memory of 3556 3572 svchctrl.exe 57 PID 3572 wrote to memory of 3556 3572 svchctrl.exe 57 PID 3572 wrote to memory of 3740 3572 svchctrl.exe 58 PID 3572 wrote to memory of 3740 3572 svchctrl.exe 58 PID 3572 wrote to memory of 3900 3572 svchctrl.exe 59 PID 3572 wrote to memory of 3900 3572 svchctrl.exe 59 PID 3572 wrote to memory of 3972 3572 svchctrl.exe 60 PID 3572 wrote to memory of 3972 3572 svchctrl.exe 60 PID 3572 wrote to memory of 4056 3572 svchctrl.exe 61 PID 3572 wrote to memory of 4056 3572 svchctrl.exe 61 PID 3572 wrote to memory of 8 3572 svchctrl.exe 62 PID 3572 wrote to memory of 8 3572 svchctrl.exe 62 PID 3572 wrote to memory of 3896 3572 svchctrl.exe 75 PID 3572 wrote to memory of 3896 3572 svchctrl.exe 75 PID 3572 wrote to memory of 4672 3572 svchctrl.exe 76 PID 3572 wrote to memory of 4672 3572 svchctrl.exe 76 PID 3572 wrote to memory of 2196 3572 svchctrl.exe 83 PID 3572 wrote to memory of 2196 3572 svchctrl.exe 83 PID 3572 wrote to memory of 2264 3572 svchctrl.exe 84 PID 3572 wrote to memory of 2264 3572 svchctrl.exe 84 PID 3572 wrote to memory of 2880 3572 svchctrl.exe 86 PID 3572 wrote to memory of 2880 3572 svchctrl.exe 86 PID 3572 wrote to memory of 2156 3572 svchctrl.exe 88 PID 3572 wrote to memory of 2156 3572 svchctrl.exe 88 PID 3572 wrote to memory of 2028 3572 svchctrl.exe 89 PID 3572 wrote to memory of 2028 3572 svchctrl.exe 89 PID 3572 wrote to memory of 3844 3572 svchctrl.exe 90 PID 3572 wrote to memory of 3844 3572 svchctrl.exe 90 PID 3572 wrote to memory of 2548 3572 svchctrl.exe 44 PID 3572 wrote to memory of 2548 3572 svchctrl.exe 44 PID 3572 wrote to memory of 2572 3572 svchctrl.exe 45 PID 3572 wrote to memory of 2572 3572 svchctrl.exe 45 PID 3572 wrote to memory of 2896 3572 svchctrl.exe 51 PID 3572 wrote to memory of 2896 3572 svchctrl.exe 51 PID 3572 wrote to memory of 3416 3572 svchctrl.exe 56 PID 3572 wrote to memory of 3416 3572 svchctrl.exe 56 PID 3572 wrote to memory of 3556 3572 svchctrl.exe 57 PID 3572 wrote to memory of 3556 3572 svchctrl.exe 57 PID 3572 wrote to memory of 3740 3572 svchctrl.exe 58 PID 3572 wrote to memory of 3740 3572 svchctrl.exe 58 PID 3572 wrote to memory of 3900 3572 svchctrl.exe 59 PID 3572 wrote to memory of 3900 3572 svchctrl.exe 59 PID 3572 wrote to memory of 3972 3572 svchctrl.exe 60 PID 3572 wrote to memory of 3972 3572 svchctrl.exe 60 PID 3572 wrote to memory of 4056 3572 svchctrl.exe 61 PID 3572 wrote to memory of 4056 3572 svchctrl.exe 61 PID 3572 wrote to memory of 8 3572 svchctrl.exe 62 PID 3572 wrote to memory of 8 3572 svchctrl.exe 62 PID 3572 wrote to memory of 3896 3572 svchctrl.exe 75 PID 3572 wrote to memory of 3896 3572 svchctrl.exe 75
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2548
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2572
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2896
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3416
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C:\Users\Admin\AppData\Local\Temp\a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe"2⤵
- Modifies firewall policy service
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Windows\System\regserv.exe/u C:\Users\Admin\AppData\Local\Temp\a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe3⤵
- Modifies firewall policy service
- Windows security bypass
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Windows\System\svchctrl.exeC:\Windows\System\\svchctrl.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3572
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3556
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3740
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3900
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3972
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:4056
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:8
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵PID:3896
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4672
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵PID:2196
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:2264
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:2156
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:2028
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}1⤵PID:3844
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:956
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:3600
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:4584
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:4016
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:2616
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
64KB
MD5a4725dfdf2eaf3421d1cea652e255acf
SHA1c393512fe1317c8a58e6fa523af52a1dfe653169
SHA256c608ec38d7f12d3b94b12b47c2bf0c5e006ad07ec1ea82f92f3d84fd80c94c90
SHA512b5d6ef0fc33213dfdfe34ca49b849d98f284631e0ff698464d5a3a1fcee4017608a788e446601af45ea1822a16a5957148846a3a0ebf4e26b50bef88d6c1ef00
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Filesize
19KB
MD5bfcd5a3e849ed7dae6d6811c81184146
SHA18c18e01abeb7aa6a01dbb42be6979efe8f3530e1
SHA256663f2114b515ae64628c8cb160630eb94f59bf0b0850c08bf8b4d9a4b79fca00
SHA512b2e33df46bca83b9d8d9589d8edcb2ff39d3891de4de3cfbc1a562c77eac3ab15a61f605512e95bd441a2375b617b5693d43c269ba19c14fcb3f571858cec553
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Filesize
11KB
MD5c62ac4a8dde8c06760ee61b60b49196b
SHA1b9f7ba040ffe1a5620ae58b281491d2d49630118
SHA2566a1a26ba330fd5099669c9c79cf6255b26e5fc4cac4298dfc9b816c76f20ea47
SHA51294801bfff0c0e349edd3883373b105f67ca462b3bbed4ebb9d025e527821247fab3b974d31cf1078117764eacd1d836dda7f0525c68da2b8d93d7550a4868842