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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
14/07/2024, 03:31
Static task
static1
Behavioral task
behavioral1
Sample
441e3a4bc788dedf60588c7d99dd60d4_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
441e3a4bc788dedf60588c7d99dd60d4_JaffaCakes118.dll
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Size
124KB
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MD5
441e3a4bc788dedf60588c7d99dd60d4
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SHA1
ca09b2912f4bc08ee232bfaf59da965be29f1435
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SHA256
719ccc6adde36900dea84188f6556181e2fae12418c55ac3e24093b403190767
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SHA512
94791332f737b40762dea2a211ad22f448246c13add30845e9c922e4f50c18fb4df18a13dbb9e835d6307a9643e26e4fa27fb78279a9e7c8d5dac1b1c34e549b
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SSDEEP
3072:Z61Ye3TaEu2CoCcn3zO7A4D8XHqhpiNeiIi+l1UUzGh0wf:ATa12CoCckAe8iicx6mGl
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1196 rundll32mgr.exe 3664 WaterMark.exe -
resource yara_rule behavioral2/memory/1196-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1196-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1196-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1196-5-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1196-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1196-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1196-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1196-17-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3664-27-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3664-26-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3664-38-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px5E1E.tmp rundll32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1040 936 WerFault.exe 83 3952 1496 WerFault.exe 89 -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31118750" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1626274308" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1626118186" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31118750" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31118750" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8C918291-4191-11EF-A174-EEBB2D38B7CC} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8C915B81-4191-11EF-A174-EEBB2D38B7CC} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31118750" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1628618954" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\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-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31118750" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "427692860" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1626118186" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1628618954" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1626274308" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31118750" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe 3664 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3664 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2444 iexplore.exe 4972 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4972 iexplore.exe 4972 iexplore.exe 2444 iexplore.exe 2444 iexplore.exe 3572 IEXPLORE.EXE 3572 IEXPLORE.EXE 3332 IEXPLORE.EXE 3332 IEXPLORE.EXE 3572 IEXPLORE.EXE 3572 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1196 rundll32mgr.exe 3664 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4996 wrote to memory of 936 4996 rundll32.exe 83 PID 4996 wrote to memory of 936 4996 rundll32.exe 83 PID 4996 wrote to memory of 936 4996 rundll32.exe 83 PID 936 wrote to memory of 1196 936 rundll32.exe 84 PID 936 wrote to memory of 1196 936 rundll32.exe 84 PID 936 wrote to memory of 1196 936 rundll32.exe 84 PID 1196 wrote to memory of 3664 1196 rundll32mgr.exe 88 PID 1196 wrote to memory of 3664 1196 rundll32mgr.exe 88 PID 1196 wrote to memory of 3664 1196 rundll32mgr.exe 88 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 1496 3664 WaterMark.exe 89 PID 3664 wrote to memory of 2444 3664 WaterMark.exe 95 PID 3664 wrote to memory of 2444 3664 WaterMark.exe 95 PID 3664 wrote to memory of 4972 3664 WaterMark.exe 96 PID 3664 wrote to memory of 4972 3664 WaterMark.exe 96 PID 2444 wrote to memory of 3572 2444 iexplore.exe 97 PID 2444 wrote to memory of 3572 2444 iexplore.exe 97 PID 2444 wrote to memory of 3572 2444 iexplore.exe 97 PID 4972 wrote to memory of 3332 4972 iexplore.exe 98 PID 4972 wrote to memory of 3332 4972 iexplore.exe 98 PID 4972 wrote to memory of 3332 4972 iexplore.exe 98
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\441e3a4bc788dedf60588c7d99dd60d4_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\441e3a4bc788dedf60588c7d99dd60d4_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:1496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 2046⤵
- Program crash
PID:3952
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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:2444 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2444 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3572
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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:4972 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4972 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 6083⤵
- Program crash
PID:1040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 936 -ip 9361⤵PID:1512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1496 -ip 14961⤵PID:1644
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.{8C915B81-4191-11EF-A174-EEBB2D38B7CC}.dat
Filesize5KB
MD5f335a4b5933de11d15e81d9c9d570af4
SHA129ec078ee6b2a685f006e1a1b974d82fc2b852e4
SHA25636f7e08aaa9ba6e901f921bd7ae2f1e9234d4de518fa6041319f3cea0a46336d
SHA51241294abe1f4907e1d2b815e6e65fb8f36ae5a5ccf1500e401ece3e49bba91c2dad99dbd29b2d2e32d502277f59dccbc133981fc41db155b618a39d7d98339b92
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8C918291-4191-11EF-A174-EEBB2D38B7CC}.dat
Filesize3KB
MD55fe434818726e11e29222ed9aa3a3ae7
SHA141bd62b06f789790991b55817f51485f793313ed
SHA256be08fbdd1fcbb9ff1282a6170fd7b104559b94898e4551df9149bf5c250e0f01
SHA51219732355e5cb472f89368f61083d90558a63dae897f7ca6110b334dac04b194dbdc63446eaf5c3f65113000faecc28201a34c5eef0d42c20278f9c0edd7a7ec6
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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
59KB
MD50e0f0ae845d89c22bb6385f64a6b85fd
SHA10f3f1e7f18ab81572c5ce938d3880d4a5d7100ac
SHA2565a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd
SHA512baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350