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Analysis
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max time kernel
80s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2022, 16:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
847KB
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MD5
349d888694fd641ff3771ddafff5d169
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SHA1
5032f804ceee60d156953f5db268ea356f343e8b
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SHA256
6993c2016d8d0caff155b54f201508bee6f5d3af5fd08691b2d61b372d047b8b
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SHA512
5adefeb5e2a74a8f910231ad25d66dca21a941048aca47335037d0ec48dfebb4dd28bec942556c395eb10103f4ad52802229567e606567bc2aa096c96f8c8ad1
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SSDEEP
12288:apsvatI1RwddlC6lAwkq9kvgMfimo8BHEqeTX6ymhICjgKTJGiB:apsvatIrwdOU1kYoLo8BHyvmhICMYAi
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
54.7
517
https://t.me/trampapanam
https://nerdculture.de/@yoxhyp
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profile_id
517
Signatures
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Detected Djvu ransomware 10 IoCs
resource yara_rule behavioral2/memory/4204-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3144-136-0x0000000002330000-0x000000000244B000-memory.dmp family_djvu behavioral2/memory/4204-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4204-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4204-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4204-142-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3900-145-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3900-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3900-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3900-168-0x0000000000400000-0x0000000000537000-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 1612 build2.exe 4172 build3.exe 5100 build2.exe 1752 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 file.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation build2.exe -
Loads dropped DLL 2 IoCs
pid Process 5100 build2.exe 5100 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4532 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\\abb0ef41-7b05-42ac-9089-f2dcfd4879e6\\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 28 api.2ip.ua 29 api.2ip.ua 49 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3144 set thread context of 4204 3144 file.exe 83 PID 4588 set thread context of 3900 4588 file.exe 90 PID 1612 set thread context of 5100 1612 build2.exe 97 -
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 2632 schtasks.exe 3852 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2216 timeout.exe -
Kills process with taskkill 1 IoCs
pid Process 4452 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4204 file.exe 4204 file.exe 3900 file.exe 3900 file.exe 5100 build2.exe 5100 build2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4452 taskkill.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 3144 wrote to memory of 4204 3144 file.exe 83 PID 4204 wrote to memory of 4532 4204 file.exe 84 PID 4204 wrote to memory of 4532 4204 file.exe 84 PID 4204 wrote to memory of 4532 4204 file.exe 84 PID 4204 wrote to memory of 4588 4204 file.exe 86 PID 4204 wrote to memory of 4588 4204 file.exe 86 PID 4204 wrote to memory of 4588 4204 file.exe 86 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 4588 wrote to memory of 3900 4588 file.exe 90 PID 3900 wrote to memory of 1612 3900 file.exe 93 PID 3900 wrote to memory of 1612 3900 file.exe 93 PID 3900 wrote to memory of 1612 3900 file.exe 93 PID 3900 wrote to memory of 4172 3900 file.exe 94 PID 3900 wrote to memory of 4172 3900 file.exe 94 PID 3900 wrote to memory of 4172 3900 file.exe 94 PID 4172 wrote to memory of 2632 4172 build3.exe 95 PID 4172 wrote to memory of 2632 4172 build3.exe 95 PID 4172 wrote to memory of 2632 4172 build3.exe 95 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 1612 wrote to memory of 5100 1612 build2.exe 97 PID 5100 wrote to memory of 2532 5100 build2.exe 98 PID 5100 wrote to memory of 2532 5100 build2.exe 98 PID 5100 wrote to memory of 2532 5100 build2.exe 98 PID 2532 wrote to memory of 4452 2532 cmd.exe 100 PID 2532 wrote to memory of 4452 2532 cmd.exe 100 PID 2532 wrote to memory of 4452 2532 cmd.exe 100 PID 2532 wrote to memory of 2216 2532 cmd.exe 101 PID 2532 wrote to memory of 2216 2532 cmd.exe 101 PID 2532 wrote to memory of 2216 2532 cmd.exe 101 PID 1752 wrote to memory of 3852 1752 mstsca.exe 105 PID 1752 wrote to memory of 3852 1752 mstsca.exe 105 PID 1752 wrote to memory of 3852 1752 mstsca.exe 105
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:3144 -
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:4204 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\abb0ef41-7b05-42ac-9089-f2dcfd4879e6" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4532
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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:4588 -
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:3900 -
C:\Users\Admin\AppData\Local\7ae9cc98-3916-4b4e-b8f2-fbfa27d46a5d\build2.exe"C:\Users\Admin\AppData\Local\7ae9cc98-3916-4b4e-b8f2-fbfa27d46a5d\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Users\Admin\AppData\Local\7ae9cc98-3916-4b4e-b8f2-fbfa27d46a5d\build2.exe"C:\Users\Admin\AppData\Local\7ae9cc98-3916-4b4e-b8f2-fbfa27d46a5d\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:5100 -
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\7ae9cc98-3916-4b4e-b8f2-fbfa27d46a5d\build2.exe" & del C:\PrograData\*.dll & exit7⤵
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im build2.exe /f8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4452
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:2216
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C:\Users\Admin\AppData\Local\7ae9cc98-3916-4b4e-b8f2-fbfa27d46a5d\build3.exe"C:\Users\Admin\AppData\Local\7ae9cc98-3916-4b4e-b8f2-fbfa27d46a5d\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4172 -
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:2632
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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:1752 -
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:3852
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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
MD5f1fedb1a4b2739a034ec2032194f5e39
SHA17e063cd9d96fe4f4b76bfdd4904e38fa090df3f3
SHA25606cea9d78b8a4471b0bdd6d51db681d5544e86f211915469198e114aa5cdf626
SHA5124bbea440444c9d480dd7cd72da50b2586d6481f150052e9efa993df2acc294726f649d5d602eb1987b399e21b0db8b4236b8e77bdc04918912c4319663bd015a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5394c24bbd9569b1e625fe61af91eddea
SHA1aa68ec27b6a0336057a587d44ae36588daa31b48
SHA256715e0b0b2fbf56a2a6c7a6d48aab1a49efad054144be574b39ae46d5d7eabe9a
SHA512954fc587597370d23176682d1aab80366e0d87fcae7b6e78d8ce5f65b606d0c4fc86fc90f55a618527e1c39e2ce8a702dd65abe8d271bc04c2d079d98ffd41f0
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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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
847KB
MD5349d888694fd641ff3771ddafff5d169
SHA15032f804ceee60d156953f5db268ea356f343e8b
SHA2566993c2016d8d0caff155b54f201508bee6f5d3af5fd08691b2d61b372d047b8b
SHA5125adefeb5e2a74a8f910231ad25d66dca21a941048aca47335037d0ec48dfebb4dd28bec942556c395eb10103f4ad52802229567e606567bc2aa096c96f8c8ad1
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a