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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
01/08/2024, 21:35
Static task
static1
Behavioral task
behavioral1
Sample
81cece7a454fffa27f468a7bef1e258e_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
81cece7a454fffa27f468a7bef1e258e_JaffaCakes118.dll
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Size
132KB
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MD5
81cece7a454fffa27f468a7bef1e258e
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SHA1
19397e4c93b99103d8b9526091e5b83666dc6392
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SHA256
82d4f1310c9271e3131ae7a23a3cb7df144a4d452c9b447c73b4fedd691eccbf
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SHA512
0a047e26d404d5ad0a512a2b7c8de01cc7c576fde93ae221ed348c8fe09fd2c84dc42e340cde63636a090565c4b40e578a1d73b7b8e203bf88aaa2b27254ef00
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SSDEEP
3072:3o6nwLqrSa4I+VCpy330wN6qb3MAxwgKA:46uj0wRb37xj
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 3604 regsvr32mgr.exe 4896 WaterMark.exe -
resource yara_rule behavioral2/memory/3604-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3604-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3604-16-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3604-20-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3604-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3604-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3604-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3604-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4896-33-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4896-32-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4896-43-0x0000000000400000-0x0000000000435000-memory.dmp upx behavioral2/memory/4896-44-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4896-45-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px8C52.tmp regsvr32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe regsvr32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe regsvr32mgr.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2796 3632 WerFault.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 regsvr32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3400009261" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3402978388" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3402978388" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31122522" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "429313099" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F645A188-504D-11EF-B810-7E9B73D38187} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3400009261" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F648046B-504D-11EF-B810-7E9B73D38187} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31122522" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31122522" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31122522" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe 4896 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4896 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3220 iexplore.exe 4764 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4764 iexplore.exe 4764 iexplore.exe 3220 iexplore.exe 3220 iexplore.exe 1128 IEXPLORE.EXE 1128 IEXPLORE.EXE 4680 IEXPLORE.EXE 4680 IEXPLORE.EXE 1128 IEXPLORE.EXE 1128 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 3604 regsvr32mgr.exe 4896 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1824 wrote to memory of 4732 1824 regsvr32.exe 84 PID 1824 wrote to memory of 4732 1824 regsvr32.exe 84 PID 1824 wrote to memory of 4732 1824 regsvr32.exe 84 PID 4732 wrote to memory of 3604 4732 regsvr32.exe 86 PID 4732 wrote to memory of 3604 4732 regsvr32.exe 86 PID 4732 wrote to memory of 3604 4732 regsvr32.exe 86 PID 3604 wrote to memory of 4896 3604 regsvr32mgr.exe 87 PID 3604 wrote to memory of 4896 3604 regsvr32mgr.exe 87 PID 3604 wrote to memory of 4896 3604 regsvr32mgr.exe 87 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3632 4896 WaterMark.exe 89 PID 4896 wrote to memory of 3220 4896 WaterMark.exe 93 PID 4896 wrote to memory of 3220 4896 WaterMark.exe 93 PID 4896 wrote to memory of 4764 4896 WaterMark.exe 94 PID 4896 wrote to memory of 4764 4896 WaterMark.exe 94 PID 3220 wrote to memory of 1128 3220 iexplore.exe 96 PID 3220 wrote to memory of 1128 3220 iexplore.exe 96 PID 3220 wrote to memory of 1128 3220 iexplore.exe 96 PID 4764 wrote to memory of 4680 4764 iexplore.exe 95 PID 4764 wrote to memory of 4680 4764 iexplore.exe 95 PID 4764 wrote to memory of 4680 4764 iexplore.exe 95
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\81cece7a454fffa27f468a7bef1e258e_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\81cece7a454fffa27f468a7bef1e258e_JaffaCakes118.dll2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Windows\SysWOW64\regsvr32mgr.exeC:\Windows\SysWOW64\regsvr32mgr.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:3632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 846⤵
- Program crash
PID:2796
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3220 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1128
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4764 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3632 -ip 36321⤵PID:2120
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{F645A188-504D-11EF-B810-7E9B73D38187}.dat
Filesize5KB
MD58d15ff7c5353cd8cbec90b676fd99e4f
SHA13d33060501803f6452b9b37d7fffd4837da49cf0
SHA256307715d11e15041dc4165e293349c93b476cd3dff2603235162ad03bb1a42b57
SHA5124f9d87faff0a7c491df3b389f78d5075d545fa5d0ac2985f81ccea9827e9096e432d774257e38f67e71b990ac5246f7420e689de89c086a5d09b3d630c4f8767
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{F648046B-504D-11EF-B810-7E9B73D38187}.dat
Filesize3KB
MD5db875c7908361947dab1e1c813415627
SHA1ad23233af980514e58597df108d21738dedd0830
SHA2562c348e7c8e06bbe8e08579f8d277a007b9947e1c5cf35338ca657f79ab03dafc
SHA51212e2be5519cba90c2ee4000ef8a3876bca8f37b939d572ca55fc60b73989a9952262b290cad1de1e6ec61d368b56268ca09d16aea327b76af56162bc6ce76f7f
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
96KB
MD58c51fd9d6daa7b6137634de19a49452c
SHA1db2a11cca434bacad2bf42adeecae38e99cf64f8
SHA256528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3
SHA512b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837