Analysis
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max time kernel
7s -
max time network
7s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-11-2024 08:55
Static task
static1
Behavioral task
behavioral1
Sample
fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
Resource
win7-20240903-en
Errors
General
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Target
fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
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Size
3.5MB
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MD5
b8fcc4747f67e9407353f3ea30ebf4f6
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SHA1
94e23d8ff1bf48d5aa5a92a8f72543e75c2a5b46
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SHA256
fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd
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SHA512
b0cc4cf7bf72bad1a0725f2ce38f7eb131f8523548f077ef7b8f030618ba4d3e3d98cc72cc7d0025771dd3a03f27167e1c2e771c04ac31961bf620acac5f6f0f
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SSDEEP
98304:PGdVyVT9nOgmhZ0XHUhl1iB2PokJog/2Q:sWT9nO7x1od
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2244-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2800-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2944-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2944-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2800-32-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2944-40-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2424-54-0x0000000002D50000-0x0000000003029000-memory.dmp purplefox_rootkit behavioral1/memory/2424-55-0x0000000002D50000-0x0000000003029000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
resource yara_rule behavioral1/memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2244-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2800-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2944-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2944-35-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/files/0x0007000000016c89-33.dat family_gh0strat behavioral1/memory/2800-32-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2944-40-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2424-54-0x0000000002D50000-0x0000000003029000-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 TXPlatforn.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\\259454919.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 7 IoCs
pid Process 2244 svchost.exe 2800 TXPlatforn.exe 2944 TXPlatforn.exe 2588 svchos.exe 2904 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 2876 TXPlatforn.exe 2976 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 9 IoCs
pid Process 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 2800 TXPlatforn.exe 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 2588 svchos.exe 1952 svchost.exe 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 1952 svchost.exe 2976 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\physicaldrive0 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe -
Drops file in System32 directory 6 IoCs
description ioc Process 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\TXPlatforn.exe svchost.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File created C:\Windows\SysWOW64\259454919.txt svchos.exe File opened for modification C:\Windows\SysWOW64\ini.ini svchos.exe -
resource yara_rule behavioral1/memory/2244-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2244-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2800-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2944-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2944-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2800-32-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2944-40-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.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 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2688 cmd.exe 2844 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2844 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2944 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2244 svchost.exe Token: SeLoadDriverPrivilege 2944 TXPlatforn.exe Token: SeShutdownPrivilege 2904 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 2904 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 2904 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 2424 wrote to memory of 2244 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 30 PID 2424 wrote to memory of 2244 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 30 PID 2424 wrote to memory of 2244 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 30 PID 2424 wrote to memory of 2244 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 30 PID 2424 wrote to memory of 2244 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 30 PID 2424 wrote to memory of 2244 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 30 PID 2424 wrote to memory of 2244 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 30 PID 2244 wrote to memory of 2688 2244 svchost.exe 32 PID 2244 wrote to memory of 2688 2244 svchost.exe 32 PID 2244 wrote to memory of 2688 2244 svchost.exe 32 PID 2244 wrote to memory of 2688 2244 svchost.exe 32 PID 2800 wrote to memory of 2944 2800 TXPlatforn.exe 34 PID 2800 wrote to memory of 2944 2800 TXPlatforn.exe 34 PID 2800 wrote to memory of 2944 2800 TXPlatforn.exe 34 PID 2800 wrote to memory of 2944 2800 TXPlatforn.exe 34 PID 2800 wrote to memory of 2944 2800 TXPlatforn.exe 34 PID 2800 wrote to memory of 2944 2800 TXPlatforn.exe 34 PID 2800 wrote to memory of 2944 2800 TXPlatforn.exe 34 PID 2424 wrote to memory of 2588 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 35 PID 2424 wrote to memory of 2588 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 35 PID 2424 wrote to memory of 2588 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 35 PID 2424 wrote to memory of 2588 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 35 PID 2688 wrote to memory of 2844 2688 cmd.exe 36 PID 2688 wrote to memory of 2844 2688 cmd.exe 36 PID 2688 wrote to memory of 2844 2688 cmd.exe 36 PID 2688 wrote to memory of 2844 2688 cmd.exe 36 PID 2424 wrote to memory of 2904 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 39 PID 2424 wrote to memory of 2904 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 39 PID 2424 wrote to memory of 2904 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 39 PID 2424 wrote to memory of 2904 2424 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 39 PID 1952 wrote to memory of 2976 1952 svchost.exe 42 PID 1952 wrote to memory of 2976 1952 svchost.exe 42 PID 1952 wrote to memory of 2976 1952 svchost.exe 42 PID 1952 wrote to memory of 2976 1952 svchost.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\\svchost.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244 -
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⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2688 -
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:2844
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C:\Users\Admin\AppData\Local\Temp\svchos.exeC:\Users\Admin\AppData\Local\Temp\\svchos.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:2588
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C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exeC:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2904
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800 -
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:2944
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:3040
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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:1952 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259454919.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2976
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:1580
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
PID:2876
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:572
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.6MB
MD57823e8eb618e981b8c1965e169a2de5f
SHA1a0e6b32d7c70a670fa85de292c44edb12cf15071
SHA256efb35ec1e073aa02aa87ee6e5ec8730d5ecf75576ab86c3ebb858dce986b385a
SHA512127f8be7131e245bc469ad6f5be23242723b001bdedc271ee6573ba97841ef3687f835a390aef47b66c04a2053d5b9ddcd42df63418bdf54dd3f69ae72ff7b81
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C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
Filesize1.9MB
MD5a027b7050802b9d8b28449ace820e89d
SHA144f5f786f31473289ef61aacde95b347bcaf927d
SHA2567b1584a518f1ee692fb2fdb96634744b4b919eda1599594df93e6a7db33c6cde
SHA51240252ffd225203737ee819fdae3f84bc14c8bcfb79c7ea87660e98ff2821c27e262f75d9ac512fdd8db7952f9a857f649b1872d1b962b27bb417369f0121367c
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Filesize
71KB
MD5fb44f7af2882d222b600539171f54c1d
SHA10c5a1a0b1620a55a0f194464227be25a2f0347e1
SHA256f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487
SHA51221e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67
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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
50KB
MD55fbcc30e98caae554c19834c3527daca
SHA165bb1f537221081dc46d4a97b9209022b5606d57
SHA2568120f837c356f090c9e25f9ed2753ad699416af715f22a52094fc52e8a9f0bc0
SHA51271caa719297311f48bb73a29630a60cf9e2815c3deacb969a67ca129cf59d5af61d5e0391526387697b40553174c8558d649e977d4c9bcddb6feb6a2ec15d25a
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d