Analysis
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max time kernel
94s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
27/02/2025, 21:30
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe
Resource
win10v2004-20250217-en
General
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Target
JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe
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Size
780KB
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MD5
2fa2de66b1ca550b11513f0cb325e8e0
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SHA1
8ecbfa853696eb382744d311cd353a6bf2d2f483
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SHA256
9f80f443cc464de6d17678e94e25cede1218568b75a2e89a0278b766fb07f37a
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SHA512
86391843d66dd56d35b2eee5e43e02bdc0162d23c61e79b344888cfa41c1ffb8a62f00ff04ec7e59a3eb4c380c1b3d8cda1838b12dda9abe955558bb658bbaa7
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SSDEEP
12288:rxa6q6jnieErDHrlWUQ6AkGtTRj9SIu78iBoE7UYVlda:rxrxie67BWeAkqyn83LYVlda
Malware Config
Extracted
darkcomet
Guest16
192.168.1.2:1604
DC_MUTEX-8F7010S
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InstallPath
MSDCSC\msdcsc.exe
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gencode
a5S5MyDcHw4d
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
System32dll
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 4520 attrib.exe 5016 attrib.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-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe -
Deletes itself 1 IoCs
pid Process 4348 notepad.exe -
Executes dropped EXE 2 IoCs
pid Process 4780 msdcsc.exe 1968 msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System32dll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3308 2324 WerFault.exe 104 -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1084 set thread context of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 4780 set thread context of 1968 4780 msdcsc.exe 103 PID 1968 set thread context of 2324 1968 msdcsc.exe 104 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe iexplore.exe -
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 9 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 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 4780 msdcsc.exe 4780 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeSecurityPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeTakeOwnershipPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeLoadDriverPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeSystemProfilePrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeSystemtimePrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeProfSingleProcessPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeIncBasePriorityPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeCreatePagefilePrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeBackupPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeRestorePrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeShutdownPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeDebugPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeSystemEnvironmentPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeChangeNotifyPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeRemoteShutdownPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeUndockPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeManageVolumePrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeImpersonatePrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeCreateGlobalPrivilege 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: 33 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: 34 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: 35 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: 36 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe Token: SeIncreaseQuotaPrivilege 1968 msdcsc.exe Token: SeSecurityPrivilege 1968 msdcsc.exe Token: SeTakeOwnershipPrivilege 1968 msdcsc.exe Token: SeLoadDriverPrivilege 1968 msdcsc.exe Token: SeSystemProfilePrivilege 1968 msdcsc.exe Token: SeSystemtimePrivilege 1968 msdcsc.exe Token: SeProfSingleProcessPrivilege 1968 msdcsc.exe Token: SeIncBasePriorityPrivilege 1968 msdcsc.exe Token: SeCreatePagefilePrivilege 1968 msdcsc.exe Token: SeBackupPrivilege 1968 msdcsc.exe Token: SeRestorePrivilege 1968 msdcsc.exe Token: SeShutdownPrivilege 1968 msdcsc.exe Token: SeDebugPrivilege 1968 msdcsc.exe Token: SeSystemEnvironmentPrivilege 1968 msdcsc.exe Token: SeChangeNotifyPrivilege 1968 msdcsc.exe Token: SeRemoteShutdownPrivilege 1968 msdcsc.exe Token: SeUndockPrivilege 1968 msdcsc.exe Token: SeManageVolumePrivilege 1968 msdcsc.exe Token: SeImpersonatePrivilege 1968 msdcsc.exe Token: SeCreateGlobalPrivilege 1968 msdcsc.exe Token: 33 1968 msdcsc.exe Token: 34 1968 msdcsc.exe Token: 35 1968 msdcsc.exe Token: 36 1968 msdcsc.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 1084 wrote to memory of 2052 1084 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 84 PID 2052 wrote to memory of 1312 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 95 PID 2052 wrote to memory of 1312 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 95 PID 2052 wrote to memory of 1312 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 95 PID 2052 wrote to memory of 3708 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 96 PID 2052 wrote to memory of 3708 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 96 PID 2052 wrote to memory of 3708 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 96 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 2052 wrote to memory of 4348 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 97 PID 3708 wrote to memory of 4520 3708 cmd.exe 100 PID 3708 wrote to memory of 4520 3708 cmd.exe 100 PID 3708 wrote to memory of 4520 3708 cmd.exe 100 PID 1312 wrote to memory of 5016 1312 cmd.exe 101 PID 1312 wrote to memory of 5016 1312 cmd.exe 101 PID 1312 wrote to memory of 5016 1312 cmd.exe 101 PID 2052 wrote to memory of 4780 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 102 PID 2052 wrote to memory of 4780 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 102 PID 2052 wrote to memory of 4780 2052 JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe 102 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 4780 wrote to memory of 1968 4780 msdcsc.exe 103 PID 1968 wrote to memory of 2324 1968 msdcsc.exe 104 PID 1968 wrote to memory of 2324 1968 msdcsc.exe 104 PID 1968 wrote to memory of 2324 1968 msdcsc.exe 104 PID 1968 wrote to memory of 2324 1968 msdcsc.exe 104 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 4520 attrib.exe 5016 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1312 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2de66b1ca550b11513f0cb325e8e0.exe" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:5016
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3708 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4520
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4348
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C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exeC:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"5⤵
- Drops file in Program Files directory
PID:2324 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 2246⤵
- Program crash
PID:3308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2324 -ip 23241⤵PID:2072
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
780KB
MD52fa2de66b1ca550b11513f0cb325e8e0
SHA18ecbfa853696eb382744d311cd353a6bf2d2f483
SHA2569f80f443cc464de6d17678e94e25cede1218568b75a2e89a0278b766fb07f37a
SHA51286391843d66dd56d35b2eee5e43e02bdc0162d23c61e79b344888cfa41c1ffb8a62f00ff04ec7e59a3eb4c380c1b3d8cda1838b12dda9abe955558bb658bbaa7