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Analysis
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max time kernel
54s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26/09/2022, 05:51
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
671KB
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MD5
2ded1c94095192fe4a80b936fc23b8ce
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SHA1
9c55887b9430de35df58b9f50d85f9f429d83d8a
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SHA256
ed09ef7ca783ef12aed593f11e5904b449d2e9744217b1e4abb27a0c2e186eb4
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SHA512
ddf0c70a1d30edc78c0e470a54d63e4fcb02bf70f33ccfdb40b09002bcde4ea6ceb4faa18044facd0efbfee301f66846ce46e27a88355246b987e19298de8cd3
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SSDEEP
12288:NK1aeB7ndkYYSdFUQ123dtlCrBJuMwGGgcqOZnwwcVQGEeVRnjKQV98w:NKc47nfbrvGHqOZnwwcIeVRj
Malware Config
Extracted
djvu
http://winnlinne.com/test3/get.php
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extension
.ofoq
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-EWKSsSJiVn Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0568Jhyjd
Extracted
vidar
54.6
517
https://t.me/huobiinside
https://mas.to/@kyriazhs1975
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profile_id
517
Signatures
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Detected Djvu ransomware 10 IoCs
resource yara_rule behavioral2/memory/4016-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4016-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4016-136-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/544-137-0x0000000002410000-0x000000000252B000-memory.dmp family_djvu behavioral2/memory/4016-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4016-142-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1100-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1100-145-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1100-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1100-191-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
pid Process 3972 build2.exe 4296 build2.exe 4668 build3.exe 3024 mstsca.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation build2.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation file.exe -
Loads dropped DLL 2 IoCs
pid Process 4296 build2.exe 4296 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4844 icacls.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\9d2287c2-5a26-4ded-b104-e8fea15f54ff\\file.exe\" --AutoStart" file.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 api.2ip.ua 8 api.2ip.ua 19 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 544 set thread context of 4016 544 file.exe 81 PID 4748 set thread context of 1100 4748 file.exe 87 PID 3972 set thread context of 4296 3972 build2.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 build2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString build2.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 880 schtasks.exe 3052 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 812 timeout.exe -
Kills process with taskkill 1 IoCs
pid Process 2416 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4016 file.exe 4016 file.exe 1100 file.exe 1100 file.exe 4296 build2.exe 4296 build2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2416 taskkill.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 544 wrote to memory of 4016 544 file.exe 81 PID 4016 wrote to memory of 4844 4016 file.exe 82 PID 4016 wrote to memory of 4844 4016 file.exe 82 PID 4016 wrote to memory of 4844 4016 file.exe 82 PID 4016 wrote to memory of 4748 4016 file.exe 83 PID 4016 wrote to memory of 4748 4016 file.exe 83 PID 4016 wrote to memory of 4748 4016 file.exe 83 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 4748 wrote to memory of 1100 4748 file.exe 87 PID 1100 wrote to memory of 3972 1100 file.exe 90 PID 1100 wrote to memory of 3972 1100 file.exe 90 PID 1100 wrote to memory of 3972 1100 file.exe 90 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 3972 wrote to memory of 4296 3972 build2.exe 91 PID 1100 wrote to memory of 4668 1100 file.exe 93 PID 1100 wrote to memory of 4668 1100 file.exe 93 PID 1100 wrote to memory of 4668 1100 file.exe 93 PID 4668 wrote to memory of 880 4668 build3.exe 95 PID 4668 wrote to memory of 880 4668 build3.exe 95 PID 4668 wrote to memory of 880 4668 build3.exe 95 PID 4296 wrote to memory of 3680 4296 build2.exe 97 PID 4296 wrote to memory of 3680 4296 build2.exe 97 PID 4296 wrote to memory of 3680 4296 build2.exe 97 PID 3680 wrote to memory of 2416 3680 cmd.exe 99 PID 3680 wrote to memory of 2416 3680 cmd.exe 99 PID 3680 wrote to memory of 2416 3680 cmd.exe 99 PID 3680 wrote to memory of 812 3680 cmd.exe 100 PID 3680 wrote to memory of 812 3680 cmd.exe 100 PID 3680 wrote to memory of 812 3680 cmd.exe 100 PID 3024 wrote to memory of 3052 3024 mstsca.exe 103 PID 3024 wrote to memory of 3052 3024 mstsca.exe 103 PID 3024 wrote to memory of 3052 3024 mstsca.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4016 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\9d2287c2-5a26-4ded-b104-e8fea15f54ff" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4844
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Users\Admin\AppData\Local\f1a7d239-fda7-416c-a9b7-83b254165291\build2.exe"C:\Users\Admin\AppData\Local\f1a7d239-fda7-416c-a9b7-83b254165291\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Users\Admin\AppData\Local\f1a7d239-fda7-416c-a9b7-83b254165291\build2.exe"C:\Users\Admin\AppData\Local\f1a7d239-fda7-416c-a9b7-83b254165291\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4296 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" \/c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\f1a7d239-fda7-416c-a9b7-83b254165291\build2.exe" & del C:\PrograData\*.dll & exit7⤵
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im build2.exe /f8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2416
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:812
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C:\Users\Admin\AppData\Local\f1a7d239-fda7-416c-a9b7-83b254165291\build3.exe"C:\Users\Admin\AppData\Local\f1a7d239-fda7-416c-a9b7-83b254165291\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"6⤵
- Creates scheduled task(s)
PID:880
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"2⤵
- Creates scheduled task(s)
PID:3052
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD53229b6929fc9caec79e3e5ad740250c6
SHA1d677cb89c767b4c4a444fedfa53dd6c8aa1d7d6e
SHA256ece826b5b4484d173ea804773ca9a13c7248d2f6f3c8a7efeea2a9e3691d7628
SHA51279b5ab3c41f03f913c0c947c6b6c66f396af97f7f69b3df72622beb9fddf8c6cc1a4f830d3edbd91ec570ce59531f09db54e51a2694a8b330ded69fd932036d1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5edcd4c783b2b2c906602519bd8f697f4
SHA1fc56fded4065d6960c6507cac4264dfd2b038004
SHA256367e0ac4e24f1d1530de05a6abf81d6b572c0546b5aa134c246fa1514582fd90
SHA512cb23a82c06211121e39ed0dbec5928b1a85aca7c25f2c060d609350e3a94bf82e9159a2a4d5e67295fc29bac22c95d525ea2461a0000d24c6c4cb630520f68d0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD56be3ad3a5a905e1c5aff041482379c78
SHA1e3140a56721b4030216c993ff7699fca8b512680
SHA2562579689c0c9ebdb4f4bb67bf47649ccb156993a0efa2dbf16d5494e13855bdf1
SHA512ed6a89fc14925510aa3ee02caf17cd6b2d7f6374a6eb439b2faa3d3dd9459b591ef4e15b239756ff479f7dd21742bbf2a05c1d2095aa9f4faa59d940d405b9ba
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD50215e989ae3cfca312ebc47bced251e8
SHA1f0cfeae2a23c4d237730d613175fed5b6e0c8768
SHA256f7e13910c34a8ab9100bd582c798d4593372f371814f62b7a57bae3cc1575005
SHA512d945271219fde49ad34ed56a837df18b8c89efcde156b4d8906a9eb8b0a21034e3b9a4bdbd605768318324e0fbf2de45f575e5911e23053ba69b8ac36559bb16
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Filesize
671KB
MD52ded1c94095192fe4a80b936fc23b8ce
SHA19c55887b9430de35df58b9f50d85f9f429d83d8a
SHA256ed09ef7ca783ef12aed593f11e5904b449d2e9744217b1e4abb27a0c2e186eb4
SHA512ddf0c70a1d30edc78c0e470a54d63e4fcb02bf70f33ccfdb40b09002bcde4ea6ceb4faa18044facd0efbfee301f66846ce46e27a88355246b987e19298de8cd3
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Filesize
246KB
MD54e08ecaa075b90f30327bf200d23130b
SHA1f7b67a7abbe3815bd758933f7c4712bd4d4ec4b2
SHA2566c11af0bbd346329224255d38a07fb9db5828881d3520ab4623c7a5fc09ecd47
SHA512e7deeafe000b034cd4d71776cd1285e33d295a830f3459506dd7332e8c1c61b43ec2fdc406c22ba5262aa62a795421492f7e54602bfe08102b8b2a000d150bb7
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Filesize
246KB
MD54e08ecaa075b90f30327bf200d23130b
SHA1f7b67a7abbe3815bd758933f7c4712bd4d4ec4b2
SHA2566c11af0bbd346329224255d38a07fb9db5828881d3520ab4623c7a5fc09ecd47
SHA512e7deeafe000b034cd4d71776cd1285e33d295a830f3459506dd7332e8c1c61b43ec2fdc406c22ba5262aa62a795421492f7e54602bfe08102b8b2a000d150bb7
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Filesize
246KB
MD54e08ecaa075b90f30327bf200d23130b
SHA1f7b67a7abbe3815bd758933f7c4712bd4d4ec4b2
SHA2566c11af0bbd346329224255d38a07fb9db5828881d3520ab4623c7a5fc09ecd47
SHA512e7deeafe000b034cd4d71776cd1285e33d295a830f3459506dd7332e8c1c61b43ec2fdc406c22ba5262aa62a795421492f7e54602bfe08102b8b2a000d150bb7
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a