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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2024, 19:48
Behavioral task
behavioral1
Sample
91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe
Resource
win7-20240903-en
General
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Target
91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe
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Size
1.2MB
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MD5
f61d0f64e5bdf32ce3e1cb68f0e5389a
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SHA1
b8b47f0b73bd8d8319112fa4c38ff300bb033f5e
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SHA256
91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675
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SHA512
32295c933e58870d53e6d6f71f339c98df2bfcb76f1bee0861cf44282dac4ef77e86c1d1508f66a565196e24a0d47c5f48d0d106df05c624fba305cd04323282
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiC:WIwgMEuy+inDfp3/XoCw57XYBwKC
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3188-26-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3188-28-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2436-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2436-40-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/640-53-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/640-50-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/640-55-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x000a000000023b68-17.dat family_gh0strat behavioral2/memory/3188-26-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3188-28-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2436-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2436-40-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/640-53-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/640-50-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/640-55-0x0000000010000000-0x00000000101BA000-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 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240611296.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Executes dropped EXE 6 IoCs
pid Process 2640 AK47.exe 2420 AK47.exe 3188 AK74.exe 2436 Ghiya.exe 640 Ghiya.exe 1096 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 2640 AK47.exe 2228 svchost.exe 1096 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/3028-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3028-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x000a000000023b6d-60.dat vmprotect behavioral2/memory/3028-70-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3028-73-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3028-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3028-80-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3028-83-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3028-86-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3028-89-0x0000000000400000-0x0000000000760000-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" 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File created C:\Windows\SysWOW64\240611296.txt AK47.exe File created C:\Windows\SysWOW64\240611296.txt AK47.exe File opened for modification C:\Windows\SysWOW64\ini.ini AK47.exe 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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe -
resource yara_rule behavioral2/memory/3188-26-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3188-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3188-24-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2436-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2436-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2436-40-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/640-53-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/640-50-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/640-55-0x0000000010000000-0x00000000101BA000-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 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK74.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe 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 PING.EXE 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 WScript.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 4788 cmd.exe 4236 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4236 PING.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 640 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3188 AK74.exe Token: SeLoadDriverPrivilege 640 Ghiya.exe Token: 33 640 Ghiya.exe Token: SeIncBasePriorityPrivilege 640 Ghiya.exe Token: 33 640 Ghiya.exe Token: SeIncBasePriorityPrivilege 640 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3028 wrote to memory of 2640 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 84 PID 3028 wrote to memory of 2640 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 84 PID 3028 wrote to memory of 2640 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 84 PID 3028 wrote to memory of 2420 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 85 PID 3028 wrote to memory of 2420 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 85 PID 3028 wrote to memory of 2420 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 85 PID 3028 wrote to memory of 3188 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 86 PID 3028 wrote to memory of 3188 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 86 PID 3028 wrote to memory of 3188 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 86 PID 3188 wrote to memory of 4788 3188 AK74.exe 90 PID 3188 wrote to memory of 4788 3188 AK74.exe 90 PID 3188 wrote to memory of 4788 3188 AK74.exe 90 PID 2436 wrote to memory of 640 2436 Ghiya.exe 91 PID 2436 wrote to memory of 640 2436 Ghiya.exe 91 PID 2436 wrote to memory of 640 2436 Ghiya.exe 91 PID 4788 wrote to memory of 4236 4788 cmd.exe 93 PID 4788 wrote to memory of 4236 4788 cmd.exe 93 PID 4788 wrote to memory of 4236 4788 cmd.exe 93 PID 3028 wrote to memory of 4600 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 94 PID 3028 wrote to memory of 4600 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 94 PID 3028 wrote to memory of 4600 3028 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 94 PID 2228 wrote to memory of 1096 2228 svchost.exe 96 PID 2228 wrote to memory of 1096 2228 svchost.exe 96 PID 2228 wrote to memory of 1096 2228 svchost.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe"C:\Users\Admin\AppData\Local\Temp\91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.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:3028 -
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:2640
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C:\Users\Admin\AppData\Local\Temp\AK47.exeC:\Users\Admin\AppData\Local\Temp\\AK47.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2420
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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:3188 -
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:4788 -
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:4236
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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:4600
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:1084
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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:2228 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240611296.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1096
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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:2436 -
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:640
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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
MD5cf7190c7e0f362d7bb713a85e6ca17ad
SHA1d76b87b1d4f85130b38659d182d89d5a4128e26d
SHA25640c01417dc6e41677cd1b47615c99afa41f8759aba993595baaa1b976a820e78
SHA512925d9fb4f9a90c465e052db5bf9bff015ab75543f0f2fa33e4d7a467d433bcbb525da4a4e3545b8b05669aca55f995f0378573aa13a54dd30c9981fd88d591ee
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Filesize
1.2MB
MD534389cc6248dff2e24b791e38b3d43d9
SHA1413cf3cf341738f11d543191e4d65bde08704469
SHA256f1739a17918bccee6867dc174fd64fe156ad769ad652d32d3c6e6f4f5395bbeb
SHA5122911375209c3ca0a3e3bd4ac733904023fa89df67b165d92f8258ee0e61b57666f3ad17d3a637270f6d52c35e3f3fd30fd91760030691bce3ce54cc9bf8302ce
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Filesize
49KB
MD50451de9ac86cc61031a16aa93942a61e
SHA1788696587daee8a100860a3423d7c9bde97d5601
SHA2563505b29f7cb605dfb15ba6738b647146178c9727f5c09392addb77073b9093ec
SHA5121a165910f3dedaa4e8101903558bcad130532722eb71284f674557b67e35381f3a3bdf4e2714f5eb279855147e2b7d32845efe8cd784d2190d8d44cde363d415
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641