Analysis
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max time kernel
31s -
max time network
31s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-09-2024 23:36
Static task
static1
Behavioral task
behavioral1
Sample
fd4fff79f429487d143c43502304855a_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
fd4fff79f429487d143c43502304855a_JaffaCakes118.dll
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Size
5.0MB
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MD5
fd4fff79f429487d143c43502304855a
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SHA1
72b8eaecc118ca21e0adfdfb080ac462558448d5
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SHA256
11d1b9e86aa6f141c5e1070e05b961fe50fe889baf4c370607fb218580abff25
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SHA512
53ace4673ac8ab17b3aee3360697e4f70296d7c0b951feddb77ccccf41c794fa3045b680eafb076061d7b09b554fc24fe4755041e4112ff7ee43d2bee83b28cd
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SSDEEP
49152:RnaMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:1aPoBhz1aRxcSUDk36SAEdhv
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Executes dropped EXE 2 IoCs
pid Process 3560 mssecsvr.exe 4724 mssecsvr.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 mssecsvr.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE mssecsvr.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies mssecsvr.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 mssecsvr.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\WINDOWS\mssecsvr.exe rundll32.exe File created C:\WINDOWS\tasksche.exe mssecsvr.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mssecsvr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mssecsvr.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mssecsvr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1064 wrote to memory of 3728 1064 rundll32.exe 82 PID 1064 wrote to memory of 3728 1064 rundll32.exe 82 PID 1064 wrote to memory of 3728 1064 rundll32.exe 82 PID 3728 wrote to memory of 3560 3728 rundll32.exe 83 PID 3728 wrote to memory of 3560 3728 rundll32.exe 83 PID 3728 wrote to memory of 3560 3728 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fd4fff79f429487d143c43502304855a_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fd4fff79f429487d143c43502304855a_JaffaCakes118.dll,#12⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\WINDOWS\mssecsvr.exeC:\WINDOWS\mssecsvr.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3560
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-
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C:\WINDOWS\mssecsvr.exeC:\WINDOWS\mssecsvr.exe -m security1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4724
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3996
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
826KB
MD58ecc3dd5c41f829a76e736fad4cd5c94
SHA12bd55dd63859910e6b8a268a39f24f39f54daf29
SHA2560a6b7103ff86e6e3201e7d0bbe8a4bd07983f1a6e7b05befcb593703cc4da76d
SHA512d0ac16defb078b261f46d8bdd3dec8e4f36f012ea2d0e3fd51d8031abaefb4ad39be89c58dfcd258e6d28bdea7dad41d01a216c6ba87565982b906868bb90349
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Filesize
680KB
MD5ac2fa72ea21ffd33f3f200a6e23040f9
SHA16f7df4372965fae62f9073eea01246c48f11ac91
SHA256815eb0e5f2b2e2f6f75451f8708d7e206e00001b18eeaf8cc546ebfb0599d43f
SHA512665c2c2688d9981269c7438efcb9b54f7e72620700d77b75b69cb5a62f9ba96a4d6d87886d627043fd4512a583d7cf18efca44591cba32e88b68432b0443246d
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Filesize
583KB
MD57e38c0d3ecc8ae8834dd020676e2ec62
SHA1928440b88b679dff1e355b76e2950e59efdb58a8
SHA2563d5f75de6adda24806d96aab516965ad926bd13aa65a3a5e8b1d1dc2ba90bb43
SHA51257b166962c5e48ea090fd1da4421c1e5c0dbf162904a5df078ba174d01a0d3d3a98999b1331a45b48d165a1a6a76aa4d3b4976fd86410a61d710b45b6b6a9f83
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Filesize
875KB
MD5d4d4f39bbc4abcf8ef48d3454eef6025
SHA15f1a051e5badf8a4cf87c3c20a5e9d6bdc9066f0
SHA256e2887b841580535a163f652100350d1e93657dcc92c0e2531ae00d2ecef1850b
SHA512d75fe05ed23ab0dfa69f02708e8c3668fc156d0bf49e0f2a3a4cfc789cf52851c3644c03106c8b04f02d81a3820635837d32da9613d882a7e1737074978ef805
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Filesize
1.2MB
MD5d10a0fdbd710230c14a043dab6ae6058
SHA1dd3d8b9fe5c88a55e9ab86ff24097aa4aca804bd
SHA2569b7ef3e3b41c7a6c32b106ce8a10741f073570b96a01270718202043b8983c57
SHA51202bcd3c433468ac81c447393b0b82726eb52b50bb09a01ab1e15d834078d67704db843619ade78a89cf98287b5515c28eca1d7bbcb08b86c7934d7305d5e1972
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Filesize
13KB
MD54f744ab59b089a52cabdbcae0c2256b3
SHA195c83f8c2395f5b7fb7f4ceaaeadf77ebf9b680b
SHA256612012417115c94d8bdcd0144cf989cde4144141a7d35c5760f453159a9228f4
SHA512895694f6cc988728d97827c85636e8629a6baadec1dbc2b7812857601e1ad04dba6c61f32ba5432dce5043ef43296bf3182d9c5f9b568cdbbae243aae6063a75
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Filesize
1.1MB
MD5293de03a3a474fca71a53a8ae4a8e565
SHA11038e00148a0b900f6bda09d7fc3057967ddfaa0
SHA256de9d44eec7c7f828d2fa33872128a91af4aa84ec14f177218d403e01ee2d82cf
SHA512cfc9a75e725b101a2d3d938d3de38135f46c6947f8187054c9cc094f749b6b4c48ff26bddeece50419aa562b8838e17493817b8cdb477c7bc1614d35865c8571
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Filesize
1.9MB
MD5f96494209911f954c1e39352f9ad25da
SHA17f6fcf8e72eeef4b74bd10a75832a0c70fd204d0
SHA256c86c476732858f8c98baf5a4e3e9193534723305390d72b4acb0847428cfe2e0
SHA51217252ddecd78b46a4ed2ec1eb763f629b86be6c8d24f0c9fd1a24eb0c58e2bc89a0065fb16e2f85db8764533eba863080e9048255f5b715581dad890b6ad7719
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Filesize
1.2MB
MD56734595578d31bbb5e425412cbe4f1ea
SHA11692bcf601c45c8d805661046215c5b2fbc7c7a1
SHA256fedcea664efa686005f435d47bfe73ce293c5b325dff44c210468805ea8f9ae4
SHA512ab31523231496cd3760444c0c0a5824ec6b86a8c87b321e874dbb04bc311c27da2d9d5ee647738820f04315c43b627712c004b9ecc2f71cc697011e31e0ba9e0
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Filesize
729KB
MD52a31375d86471569f27de4c734aeb1f8
SHA1d90efebf936b56e8a09c96d045f9079be8fdfbbb
SHA2561854b4428b083b69c5e4485bad3444bb075db0a2d9e0e43a043340ca50b84927
SHA5128ee1df1a54d6ed6c14cc72e2d6dc78ec20398b9474189e4681285be8e77195fbb09b69c798a16bb73bb92be87501bb20b2686092d63ff4c140ea3b0d1de6630f
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Filesize
1.0MB
MD5cd786921224a72f4cc46ff3523e03ae0
SHA1f0e93e04a471939bf60e6020474bf06d3bf49b4b
SHA256a132dd3826165f68ac8d6a2e7c6a803d06204c9059c56a4795c6cc79cb8a6310
SHA5125a278fec73484589b8c57d812c81df255b80766d8dc8f57743cb47e3d99fa56550853fcbfd7d6ec39a31b83e8a4ecfa973b0c7cdd98d065907e39a8f497792aa
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Filesize
486KB
MD55c8f4303681182ca305a26ce5a0df9fe
SHA1c22dd51e5906eac04ed2b43f39dd39f9b394f949
SHA25610e4d6f677204311fccf3c90739084b8f33a0b5cb2a32a7b2b94ca9bb02bf8f1
SHA5120321503bf21257020f15e0ee589558c231f4ee3728c2127b8c1d3a0e1c8d2412af9cdb46277b8c93b127f6569de5b45ac17160e6ddb0362fad5fe53a9a3ed4a5
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Filesize
2KB
MD57deb1c5ca7b35696ce4dff97b5bbf1c6
SHA16ed83ea50a26071d4d1e52608935d5d04892e8c1
SHA2567151dc306e0ded55c326d2ca1e86f7097ec665a49ab61fcb8d16fc66db8fcc3d
SHA512cf385c2c59ecba2e9d7c6484ad941728c91e1a3963612f8374e41d9bb17622945c49e4981b683227dafd388f5d69daaf892e3b7ef4157c0ec7a4b818b91880ae
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Filesize
1.1MB
MD510f2513b0e9dd3d5a2eb1cb1479db18d
SHA1581fa9cd70938501e527a413d51976ffbcb72c69
SHA256bba60338e3b915b927d26e402021f9809b5f727e418a8ee3268b45de07bed00c
SHA512b9e2ea538a8fe7ea9bf28f62b7ad7063399df0c66e340fb20ecd991ab08dcf149784a83130e87ef466ce330c201bd0d6ca5804a3285a53f866ba15867f110f55
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Filesize
10KB
MD51906234b4ffe69869579db2ad20eddfe
SHA1e6a09ccaa5291fde2dd84e14ce3e09eabe109caf
SHA256b4631bf295bf116a4f5178a8156c97a327200ab0d94d56f1623270df281e4674
SHA5122685dc0d46f2d329d000deccf8ebae34ea509ad8fdd769a2d7927d7fdd2d95b3e260ddd2524741de6127b1a90a62c63fc76247dcb6f703f8e263be2c79970d85
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Filesize
632KB
MD59c3dec80ce3ad78120d21fd0800b994f
SHA156ea4825959f0711ba09532244730843042fae23
SHA256f4e861d219360049a4ec53a0464c31f6efdd246358efbb97fbccbeca14106e32
SHA512902601bccfe5e5458a5d0131c37a22fa73a95482a8881cafedbacf87773335118f7b83e283d721be564d4177faa4c8a9aae28297ef08b81834c66bc36b71a9cc
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Filesize
972KB
MD54297b3acd2d110a3a25b048bc7117ba6
SHA15204316ff849ba938af9bbd9ce39009927f31d81
SHA2562668f109bfffd17356a56a11c4979535ff3547404db9a61d2c83740ecdbce2f7
SHA512a719023eb37d5042b808c3aff1129200074df74e3af28f9ae1b84fd851efe933178d8563aa866f3da4e1b431ff46b95465478bc851990bda5a03c07a155b628e
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Filesize
1021KB
MD5ba70881c7f348ee5cbbfede84b393eb9
SHA14f8da368cf28e52006be62f9bd82b774d0ebddc8
SHA2565d084c159795ad96cc4c2fdbf33160c8eeb8beffcd5b665e3edbdd8373ea8179
SHA512c71ad5907dd4009d7075970bff2441095abc40c1a96abf1542e63fa11061dc8ba53de0bead7935941bd427f1c5186581cd718c4130b1f81b3bbe06edd78eab36
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Filesize
778KB
MD582ef5598f4015e8af2efcaa7ef2c39c8
SHA1f5bd7efeaf8c7b26dc6e9a459e8702f2c0765455
SHA2562f8017d47f46782e0465a7a8b0597550488c30c96d4773e85daf0bb0deecf21a
SHA512dbfff0ef66f10f9cdb736857b00ed96b4df8be94fd3f5147142ad257609e29b01d317cf6a64fc07f178ab4d8091ca0f091ff9d7263ce582a98c2038f4784f945
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Filesize
11KB
MD52ab5de451e08657041c9d69145978fe5
SHA19c3102f701e0dd99f942d7846224ff9941ae8c58
SHA25675928ac637c4dfbb9ac5f724576a7219e09c5974545ca1075d3780d447de800c
SHA512e8218a3672ce4aafe6a518a5563c5bd4270e340048833b78b0b9832e3bae62cf355e5fc3d87f61a85fe537baaf107ed756103dfe28e1eb9c0506254d7902700a
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Filesize
535KB
MD5178b79a81b983f3f653520df9ac36169
SHA12196dd5144e47df3c5e1029bc75e4b8a68b49c53
SHA25646d05a7181e2e7ef4f96530df00cda8f7943c864315bbea7f5705a6a20985629
SHA51282c93f4546b7017f1d26e334a27a2889b5fb6e48832338cb59492677586d9faa7c0933e95348e8169523802d0ac135b1614cdb6c434f4ae9ddced5b084208d2c
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Filesize
924KB
MD58fdca6495f8689bc892b6118885b7836
SHA10c3cac131064e8d979741b5df3e755a2428cf4a0
SHA256ba6f1060c467ebe1bb76a3d8d9f24c22ae10595c601d9340f5173b43b1ddda4e
SHA512957f88a0fca0304b53caefe129f6c1b0b6b86efcaec0e1d4d1bdfd6757a130f731ae35204128c3263be1d2d0e2ef5d94ed3975a48d69b33089356dcfd8706075
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Filesize
1.3MB
MD513e3367d2d7084b9c0529481a2c507e5
SHA1e25a7dd890b3a4bb421382a931f65c43a9a62f5d
SHA256040339c66b4d87bb395b00c279d7d88018722a1431665962e2f973f1410aa27a
SHA5121afd934c26ba459091aed5b96638de7baa02a75c1f645b19f40785bd9fcc4ba024a38f924cbe873624f4b8d164c5bfa346f106770230f79fbd4b94d7c195603f
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Filesize
10KB
MD5a62cf14e1a11e5126ce02af4491b4183
SHA1a1d96ea65ff76b17e0c00dd5f4e58bbbbda23743
SHA2561070177ae2804513bc222c73d0976e669cb99a6ad0207cb16b18b97490eb446f
SHA512b88ad068801c6b751d717aff6bedda6dd2cd3121fe6bd8c1dae18a2a384933e82c7eddfa46d2c88db853a612cf98f3fb9a7c6cb1573023bc9bcdbfef23cf9344
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Filesize
1.3MB
MD534ec48f16f260ed3338c810cce95207b
SHA1513041961b5572da67a39b7c433e55b997046b89
SHA25612ed26c2901306c69e0af7984df4ce97ea5b818a302df06d6dad630105b32e1e
SHA512f011811d7f8cad1d4638a4f913316407e5110b6c761a3382333e1bd3a6ceb88eb64a47b906a428b80f5f86086a1018fb1185f1d3c5056a6f97d4f8e4801d71cb
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Filesize
2KB
MD5d430547f4c6d64c4f36053f42de1b4d0
SHA19e92d41693a134f3ac4fb06f7aba663c8c856115
SHA25610b0351332b326d17b516202e0a5bdf2f793377db77c373547b1eb564942cee4
SHA512ac3db5254d551c1864c1ae411c8d6f87435277e18c1f5642c6b36da013a30087e56f28b66a7b6128de98e5ea0f87a57f5fd9061c545a8beb85658db85819b6da
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Filesize
1000B
MD5b5b1db65ee4b5444f47f3ba856ba3a2c
SHA1e26f2a2d3ce5c951d6540977e25eec2fc644b808
SHA2567cf618a1e89f30170449a33a2ad7c8063970c71548beda7c31a808582cb8bce0
SHA51227cee9c30552a6db9ce35d37e7207af7fdf1ef4db62bf2de712974976d3af8d8d0c1c2cd4624cb238daa4e26eb07147eb653a618630b9fa1daecba95d18c9607
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Filesize
2KB
MD5506b5c060574b432deecfd9b8ce43ef5
SHA1364f5adb90065d1df1c84c088e3248f8bd166dd9
SHA256e41ff00c3bb1a2cfe3d73e11e9ef290fc69fb243bd0f6f34c4d337d98784a16f
SHA512eede8f95a5ceb64ff58b5ebe314d8e80a8b291cb2e2ad51b080abf39a0163a9f19518d071095da50e0ad2e5c6df85b6d491a3d574132deb646ae40a07020699a
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Filesize
923B
MD5d90d015c1ee2f3ce05a221185a209f92
SHA113bf0ab97b52e901b3573dcea67f0be856f5f49d
SHA25666261ef5bff2722cdafecdb7b705c22ace1bd18bd9c515bea4f9e177ccfe431b
SHA512e854bbd237b8ba92150db6c4ab8cfdb0e48a42264d73a73c1f1dbd3cd7f988d3c493d2cde94f9b52cbfaad0b8d2acbee6baae457776c68831095ea3923e1ccb1
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Filesize
2.2MB
MD519c96e2329aeedc880af0ea55c954c30
SHA1e71346165a77213c579c45d786abd07492b7c92e
SHA2568eb01339dc01bd8a949931e7f3f73791ac0c96bc14487fb9879186ee4a007f5d
SHA51225edaa8d4101203e74cc2a3da31d544a0112527df15f1789967345ceea53d1501de15eb4c01aded9d555311850f73c9320a563151f3acd985e7fb2d5bf458c4d