Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2023, 05:59
Static task
static1
Behavioral task
behavioral1
Sample
21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe
Resource
win7-20230712-en
General
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Target
21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe
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Size
9.1MB
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MD5
0126205bfac707a3d7c0f9a35cb30e87
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SHA1
9f14c9b1bf08e16b11618640fc01d6a6a9ff4617
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SHA256
21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39
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SHA512
5a3414d9a5b277c3ad759e963bdaf21c41653af89b3a76cbeb3aa31de3b469b426d8163e3b98f9fd6d0010a220ee4e6e029cb8cee937cb471187019f270127ad
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SSDEEP
196608:PWT9nO7NIRZpyh+atfMDFpMMqQRCDN4QEw/04:l7NAn++atfcFpKK6eVw/
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3288-140-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3288-141-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3288-142-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5092-151-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5092-150-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3288-154-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5092-155-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3808-167-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3808-166-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3808-173-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3808-178-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3808-180-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 16 IoCs
resource yara_rule behavioral2/memory/3288-140-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3288-141-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3288-142-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5092-151-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5092-150-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3288-154-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5092-155-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/files/0x000700000002321a-162.dat family_gh0strat behavioral2/memory/3808-167-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3808-166-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/files/0x000700000002321a-171.dat family_gh0strat behavioral2/files/0x000700000002321a-170.dat family_gh0strat behavioral2/memory/3808-173-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3808-178-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3808-180-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/files/0x000700000002321a-231.dat family_gh0strat -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240617843.txt" svchos.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" TXPlatforn.exe -
Executes dropped EXE 6 IoCs
pid Process 3288 svchost.exe 5092 TXPlatforn.exe 3808 TXPlatforn.exe 3532 svchos.exe 3712 HD_21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 3764 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 3532 svchos.exe 4612 svchost.exe 3764 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/3288-138-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-140-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-141-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-142-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5092-147-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5092-151-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5092-150-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-154-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5092-155-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3808-167-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3808-166-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3808-173-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3808-178-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3808-180-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File created C:\Windows\SysWOW64\240617843.txt svchos.exe File opened for modification C:\Windows\SysWOW64\ini.ini svchos.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 -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 1340 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3808 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3288 svchost.exe Token: SeLoadDriverPrivilege 3808 TXPlatforn.exe Token: 33 3808 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3808 TXPlatforn.exe Token: 33 3808 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3808 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1160 wrote to memory of 3288 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 81 PID 1160 wrote to memory of 3288 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 81 PID 1160 wrote to memory of 3288 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 81 PID 3288 wrote to memory of 1844 3288 svchost.exe 83 PID 3288 wrote to memory of 1844 3288 svchost.exe 83 PID 3288 wrote to memory of 1844 3288 svchost.exe 83 PID 5092 wrote to memory of 3808 5092 TXPlatforn.exe 84 PID 5092 wrote to memory of 3808 5092 TXPlatforn.exe 84 PID 5092 wrote to memory of 3808 5092 TXPlatforn.exe 84 PID 1160 wrote to memory of 3532 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 87 PID 1160 wrote to memory of 3532 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 87 PID 1160 wrote to memory of 3532 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 87 PID 1160 wrote to memory of 3712 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 89 PID 1160 wrote to memory of 3712 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 89 PID 1160 wrote to memory of 3712 1160 21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe 89 PID 1844 wrote to memory of 1340 1844 cmd.exe 90 PID 1844 wrote to memory of 1340 1844 cmd.exe 90 PID 1844 wrote to memory of 1340 1844 cmd.exe 90 PID 4612 wrote to memory of 3764 4612 svchost.exe 94 PID 4612 wrote to memory of 3764 4612 svchost.exe 94 PID 4612 wrote to memory of 3764 4612 svchost.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe"C:\Users\Admin\AppData\Local\Temp\21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\\svchost.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3288 -
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\svchost.exe > nul3⤵
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
PID:1340
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C:\Users\Admin\AppData\Local\Temp\svchos.exeC:\Users\Admin\AppData\Local\Temp\\svchos.exe2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:3532
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C:\Users\Admin\AppData\Local\Temp\HD_21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exeC:\Users\Admin\AppData\Local\Temp\HD_21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe2⤵
- Executes dropped EXE
PID:3712
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:3808
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:5024
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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
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240617843.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3764
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe
Filesize7.5MB
MD53d5fbd2809ddef064c9f70a671ff003e
SHA11e03b366e947c12a120a6e4aa902404b797d59bc
SHA256e25f422fef5c62732a33bdd12647ff9cff4ec5c1294ffc34bbd12840634d8e70
SHA512f5bd1cf76039940b97a8c40830124ff872bdbe7950ae9f2d98befd132b1a45e61ddbcbc248bd7d69726a7591eb76c54a99a240e9e6b3323e0b874343d9610eec
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C:\Users\Admin\AppData\Local\Temp\HD_21bc2f9bf35fd7b1613622bcc1165494ec11529d4aa0cf0ade150f1b3553ab39.exe
Filesize7.5MB
MD53d5fbd2809ddef064c9f70a671ff003e
SHA11e03b366e947c12a120a6e4aa902404b797d59bc
SHA256e25f422fef5c62732a33bdd12647ff9cff4ec5c1294ffc34bbd12840634d8e70
SHA512f5bd1cf76039940b97a8c40830124ff872bdbe7950ae9f2d98befd132b1a45e61ddbcbc248bd7d69726a7591eb76c54a99a240e9e6b3323e0b874343d9610eec
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Filesize
1.6MB
MD55b372b0ae5b1e03a41e84ea53e3d8ef0
SHA1d350f4d57a62790cefbdabc66e8e085468753d9f
SHA25696873199fe21549d58764d08f6dc651688d1b37cdd41cbb4da6341f4db138697
SHA512ef657aec9d1d2fd4bd02e8b55803fdfcaba7e339f641f5804d8d98deeaea3dc292d359c17e3160e5b048e3181340c95de42cf52144101cab6f6e405308b514df
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Filesize
93KB
MD53b377ad877a942ec9f60ea285f7119a2
SHA160b23987b20d913982f723ab375eef50fafa6c70
SHA25662954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
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Filesize
93KB
MD53b377ad877a942ec9f60ea285f7119a2
SHA160b23987b20d913982f723ab375eef50fafa6c70
SHA25662954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
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Filesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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Filesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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Filesize
50KB
MD5fb82e07cb3a53c242a0cdb5ef98ac031
SHA1e5014296741d987b542475a0447f76980f00ae34
SHA2568e8d0e73220e80394e41886dce54b03a21c049bc19e4fbe392c90ea37028527b
SHA5121af7476c5ffac9c53ec2d7a6da03175ba624d1e33015d447b11c2d55a74ff0639c5ebd80529575dd034d4771e8c2af9ecd9f5da7e9cc74761b78caddce8ff6dd
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Filesize
50KB
MD5fb82e07cb3a53c242a0cdb5ef98ac031
SHA1e5014296741d987b542475a0447f76980f00ae34
SHA2568e8d0e73220e80394e41886dce54b03a21c049bc19e4fbe392c90ea37028527b
SHA5121af7476c5ffac9c53ec2d7a6da03175ba624d1e33015d447b11c2d55a74ff0639c5ebd80529575dd034d4771e8c2af9ecd9f5da7e9cc74761b78caddce8ff6dd
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Filesize
50KB
MD5fb82e07cb3a53c242a0cdb5ef98ac031
SHA1e5014296741d987b542475a0447f76980f00ae34
SHA2568e8d0e73220e80394e41886dce54b03a21c049bc19e4fbe392c90ea37028527b
SHA5121af7476c5ffac9c53ec2d7a6da03175ba624d1e33015d447b11c2d55a74ff0639c5ebd80529575dd034d4771e8c2af9ecd9f5da7e9cc74761b78caddce8ff6dd
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Filesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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Filesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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Filesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
50KB
MD5fb82e07cb3a53c242a0cdb5ef98ac031
SHA1e5014296741d987b542475a0447f76980f00ae34
SHA2568e8d0e73220e80394e41886dce54b03a21c049bc19e4fbe392c90ea37028527b
SHA5121af7476c5ffac9c53ec2d7a6da03175ba624d1e33015d447b11c2d55a74ff0639c5ebd80529575dd034d4771e8c2af9ecd9f5da7e9cc74761b78caddce8ff6dd