Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2024, 20:19
Behavioral task
behavioral1
Sample
37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe
Resource
win7-20240903-en
General
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Target
37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe
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Size
1.2MB
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MD5
786c89c1406663ff72624e8122b2d8a3
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SHA1
a80c9cb3ec38ac2cd49871db2858791c9961fa97
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SHA256
37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc
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SHA512
b405fa63df8ff1884779fa443fd956313b29fad6ce1ff96e376e098569be5e515a0ac3a8560ff9c00374b8c2a1ef6364efbbd1c6a4a84c9cddaca04aee52dcfc
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiQ:WIwgMEuy+inDfp3/XoCw57XYBwKQ
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4632-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4632-37-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1524-46-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1524-45-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1664-64-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1664-68-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1664-69-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x0007000000023c85-17.dat family_gh0strat behavioral2/memory/4632-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4632-37-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1524-46-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1524-45-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1664-64-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1664-68-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1664-69-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys Ghiya.exe -
Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240625015.txt" AK47.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240624984.txt" AK47.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" Ghiya.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Executes dropped EXE 6 IoCs
pid Process 2472 AK47.exe 2864 AK47.exe 4632 AK74.exe 1524 Ghiya.exe 1664 Ghiya.exe 2256 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 4 IoCs
pid Process 2472 AK47.exe 2864 AK47.exe 1776 svchost.exe 2256 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/5056-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/5056-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0007000000023c8b-60.dat vmprotect behavioral2/memory/5056-75-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/5056-78-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/5056-81-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/5056-85-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/5056-88-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/5056-91-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/5056-94-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\360safo = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchcst.exe" 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Drops file in System32 directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe File created C:\Windows\SysWOW64\240624984.txt AK47.exe File created C:\Windows\SysWOW64\240625015.txt AK47.exe File opened for modification C:\Windows\SysWOW64\ini.ini AK47.exe File opened for modification C:\Windows\SysWOW64\ini.ini AK47.exe File created C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File created C:\Windows\SysWOW64\Ghiya.exe AK74.exe -
resource yara_rule behavioral2/memory/4632-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4632-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4632-36-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1524-43-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1524-46-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1524-45-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1664-64-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1664-68-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1664-69-0x0000000010000000-0x00000000101BA000-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 10 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 AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK74.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ghiya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 612 cmd.exe 4772 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4772 PING.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1664 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4632 AK74.exe Token: SeLoadDriverPrivilege 1664 Ghiya.exe Token: 33 1664 Ghiya.exe Token: SeIncBasePriorityPrivilege 1664 Ghiya.exe Token: 33 1664 Ghiya.exe Token: SeIncBasePriorityPrivilege 1664 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 5056 wrote to memory of 2864 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 85 PID 5056 wrote to memory of 2864 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 85 PID 5056 wrote to memory of 2864 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 85 PID 5056 wrote to memory of 2472 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 86 PID 5056 wrote to memory of 2472 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 86 PID 5056 wrote to memory of 2472 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 86 PID 5056 wrote to memory of 4632 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 88 PID 5056 wrote to memory of 4632 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 88 PID 5056 wrote to memory of 4632 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 88 PID 4632 wrote to memory of 612 4632 AK74.exe 91 PID 4632 wrote to memory of 612 4632 AK74.exe 91 PID 4632 wrote to memory of 612 4632 AK74.exe 91 PID 1524 wrote to memory of 1664 1524 Ghiya.exe 92 PID 1524 wrote to memory of 1664 1524 Ghiya.exe 92 PID 1524 wrote to memory of 1664 1524 Ghiya.exe 92 PID 5056 wrote to memory of 4800 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 94 PID 5056 wrote to memory of 4800 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 94 PID 5056 wrote to memory of 4800 5056 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 94 PID 612 wrote to memory of 4772 612 cmd.exe 96 PID 612 wrote to memory of 4772 612 cmd.exe 96 PID 612 wrote to memory of 4772 612 cmd.exe 96 PID 1776 wrote to memory of 2256 1776 svchost.exe 99 PID 1776 wrote to memory of 2256 1776 svchost.exe 99 PID 1776 wrote to memory of 2256 1776 svchost.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe"C:\Users\Admin\AppData\Local\Temp\37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Users\Admin\AppData\Local\Temp\AK47.exe"C:\Users\Admin\AppData\Local\Temp\AK47.exe"2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2864
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C:\Users\Admin\AppData\Local\Temp\AK47.exeC:\Users\Admin\AppData\Local\Temp\\AK47.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2472
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C:\Users\Admin\AppData\Local\Temp\AK74.exeC:\Users\Admin\AppData\Local\Temp\\AK74.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\AK74.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:612 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4772
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:4800
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240625015.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2256
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C:\Windows\SysWOW64\Ghiya.exeC:\Windows\SysWOW64\Ghiya.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\Ghiya.exeC:\Windows\SysWOW64\Ghiya.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1664
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
91KB
MD5423eb994ed553294f8a6813619b8da87
SHA1eca6a16ccd13adcfc27bc1041ddef97ec8081255
SHA256050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218
SHA512fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095
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Filesize
400KB
MD5b0998aa7d5071d33daa5b60b9c3c9735
SHA19365a1ff0c6de244d6f36c8d84072cc916665d3c
SHA2563080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a
SHA512308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850
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Filesize
92B
MD529ce53e2a4a446614ccc8d64d346bde4
SHA139a7aa5cc1124842aa0c25abb16ea94452125cbe
SHA25656225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df
SHA512b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa
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Filesize
753B
MD508d6f2e81f4ef671fa38567c9eff9121
SHA122af71037380aa8c4f1299c3d300883f5a12f5fd
SHA256abce7d3c83759c6f24b1847c5b300932acf62f5196bf8d4ff73e16cb279e56a4
SHA512b3e745fe00dec872a6214812f8d58ec1185800ccb1f67faea0bc906c35c04f8f0c285ba28ab556f66090875e3a88ea33a0a0ced404a5598a0a3d869db3211c76
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Filesize
1.2MB
MD5b4f1c5cf4cccfb17e2347d007ad1c948
SHA117c193f63f88dc6f04275481afc365d06a4278fb
SHA2569f5f90e4f2d7d220aedf685c58c55439cfba0e7bc86cd494d112dda35cef73f3
SHA5129997dbd0cf3f6767ab73d73b1590d7ae9ec908fc07e6c02239990384cec102b844a6cc8dd98bfdbc458d8297dda12a31b919790a14ad15490c29b75035726337
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Filesize
49KB
MD5adf2b5ca59203c2f7e378d69fc66d5a8
SHA18d26cc12c89f62ca70ad526024e20e9238f428eb
SHA25643745ac7fff487bbb94fd402013e5a40f95f277adb395dc5628cc67cfebeb7d6
SHA512519bbcaf1ea72a7f41aa8cf9a9b784630e5ae0f3e191d147a7a5842f27f3d4ccd57063db53c086448743e7e08910be49394a6390faa079e15ab704f3d03ba269
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Filesize
45B
MD56069e94faccc748ce85f82ab5866f2af
SHA1a0b3e30fa8ca6b095ee19a58338206ad21403cc3
SHA2565c52fa67a5a0d053f4b86ee330b7ec9aec733d5ae9f9742de1d0c08a142240bc
SHA5122df6effd7d4348d4ded23a0726cf87eafa6d34e19a28739f5f9014b04fc70d5cb4ecc725e8a4678e061d3eb15044d004f7e24adfbcd7fbdb102a34a88c2846dc
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641