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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
04/02/2025, 18:09
Behavioral task
behavioral1
Sample
91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe
Resource
win7-20240903-en
General
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Target
91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe
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Size
1.2MB
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MD5
c3eed067fe059dd406d520cb378712a1
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SHA1
4a5c86e14404f218483d70a8148651aa31d31874
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SHA256
91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10
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SHA512
42fbcd6f55b4869468f926c232fdb903ea1d69d2a9fe481169f0f288bfbad9ad65763e3e60e21633694b3ec7915c9fda8776cc1cc810fad5e901496f1809f1df
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtit:WIwgMEuy+inDfp3/XoCw57XYBwKt
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4936-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4936-37-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/5068-45-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/5068-46-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4064-64-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4064-68-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4064-69-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x0009000000023c93-18.dat family_gh0strat behavioral2/memory/4936-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4936-37-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/5068-45-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/5068-46-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4064-64-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4064-68-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4064-69-0x0000000010000000-0x00000000101BA000-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\\240626390.txt" AK47.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240626406.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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe -
Executes dropped EXE 6 IoCs
pid Process 4396 AK47.exe 4744 AK47.exe 4936 AK74.exe 5068 Ghiya.exe 4064 Ghiya.exe 612 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 4 IoCs
pid Process 4396 AK47.exe 4744 AK47.exe 2036 svchost.exe 612 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/4756-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4756-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x000c000000023b65-60.dat vmprotect behavioral2/memory/4756-75-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4756-78-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4756-81-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4756-85-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4756-88-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4756-91-0x0000000000400000-0x0000000000760000-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" 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe -
Drops file in System32 directory 8 IoCs
description ioc Process File created C:\Windows\SysWOW64\Ghiya.exe AK74.exe File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe File created C:\Windows\SysWOW64\240626390.txt AK47.exe File created C:\Windows\SysWOW64\240626406.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 -
resource yara_rule behavioral2/memory/4936-35-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4936-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4936-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5068-45-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5068-46-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5068-43-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4064-64-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4064-68-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4064-69-0x0000000010000000-0x00000000101BA000-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 Ghiya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1128 cmd.exe 3104 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000_Classes\Local Settings 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3104 PING.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4064 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4936 AK74.exe Token: SeLoadDriverPrivilege 4064 Ghiya.exe Token: 33 4064 Ghiya.exe Token: SeIncBasePriorityPrivilege 4064 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4756 wrote to memory of 4396 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 86 PID 4756 wrote to memory of 4396 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 86 PID 4756 wrote to memory of 4396 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 86 PID 4756 wrote to memory of 4744 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 87 PID 4756 wrote to memory of 4744 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 87 PID 4756 wrote to memory of 4744 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 87 PID 4756 wrote to memory of 4936 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 89 PID 4756 wrote to memory of 4936 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 89 PID 4756 wrote to memory of 4936 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 89 PID 4936 wrote to memory of 1128 4936 AK74.exe 91 PID 4936 wrote to memory of 1128 4936 AK74.exe 91 PID 4936 wrote to memory of 1128 4936 AK74.exe 91 PID 5068 wrote to memory of 4064 5068 Ghiya.exe 92 PID 5068 wrote to memory of 4064 5068 Ghiya.exe 92 PID 5068 wrote to memory of 4064 5068 Ghiya.exe 92 PID 4756 wrote to memory of 3716 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 94 PID 4756 wrote to memory of 3716 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 94 PID 4756 wrote to memory of 3716 4756 91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe 94 PID 1128 wrote to memory of 3104 1128 cmd.exe 95 PID 1128 wrote to memory of 3104 1128 cmd.exe 95 PID 1128 wrote to memory of 3104 1128 cmd.exe 95 PID 2036 wrote to memory of 612 2036 svchost.exe 100 PID 2036 wrote to memory of 612 2036 svchost.exe 100 PID 2036 wrote to memory of 612 2036 svchost.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.exe"C:\Users\Admin\AppData\Local\Temp\91e52ab849fbde56867da66b00f1eb822a230812ae12b5db5b7735ca60353a10.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:4756 -
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:4396
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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:4744
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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:4936 -
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:1128 -
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:3104
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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:3716
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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:2036 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240626406.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:612
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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:5068 -
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:4064
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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
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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
MD533826ce9828f4e99d81295b133e0c351
SHA13e9707c8ade0c5575712518fe42731b1096c198f
SHA2560bab157b6f2439c5599a6b8eb0e84e42e5baee9cf48664cc71ff3ed6e07e1a3e
SHA5120cce6778c2fe3294357ecd5f26713dfb8dcdd384729044c99f80e52b25236849778f555849147715c54cad4435cbb4d72c9fa258ba787e5718d13fd9e206deaa
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Filesize
1.2MB
MD501b4a498f6f2fb170ef0f9a15b6b95f1
SHA1f4052545568355d18a917ab0f1da8ce405682f30
SHA2563a0750c28a4960e15734fc28c751066663f05c5368b38bea511023cf7e5669fa
SHA512ed269ffd09053cbdf62d3eec0377e923ba1de814e1783919ba5ec27e6efe5d92b492e6637e63025577456eeba41fd1ba716c39704b8e122a8038473f9b7e49d0
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Filesize
49KB
MD50aa2b7118d0960fd5de1bcc690c6ce47
SHA160f4bcdddc86b6d33d69d3b67cc34e096b303a5e
SHA256618282dc193e937ec8a682a52ad315c7a05a2d762305e67ada667f7f4f585a0b
SHA512041436cdd0841064ea7022e5061fe1c2d25d51be4c8b52e275b2d4872ce16c9cf285f78a3981f7965964e5919fb28a5de511b2fbf1e10d0225213f9a03500a06
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Filesize
45B
MD5a95d4ca0b2c550217f6236a4e8b87ac9
SHA121ee7e59fe5b77459017d77986717a97a2ec6e1f
SHA2563d1b0ef6ea50fd52918b43d9fecdf4c6c7f021019d0b245760849a573f6c9469
SHA512a712b0e7ee58a15070438dc4b0238528e3de4aad5113329f80922142c60886516a8c6da6c952836e771cbbb460914a381bff85a4b0ba230b6bb6648e5ac775aa
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641