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Analysis
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max time kernel
101s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/09/2022, 05:53
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
662KB
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MD5
00405883bad46abd502a8346b87573d9
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SHA1
d33e4a06498d047efa8409a8381b129d9c1d697e
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SHA256
1f876f7922c65d08076d4a8ddd17ea210b70e2e68b7261e780a60a4ae638c5d0
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SHA512
6b8715ab4b6be01ce24bd3e9ffc39c118caf3987d56f98d9e78c7366c286eb382c605b601dc12211c01b41c567cb8619bbf058a7f2e27497dfe3308ebf5ab74d
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SSDEEP
12288:ZfA0fBtQ9FafnGFPKR4T8fL1miKNRyEt3VBxcgccFxHJbFdUnenrJScW2vFoiwc:hA0fBtQ2GFPEoiqRxVBxFcExpbFinYrB
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/5088-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5088-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5056-136-0x0000000002450000-0x000000000256B000-memory.dmp family_djvu behavioral2/memory/5088-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5088-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5088-142-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2064-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2064-145-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2064-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2064-188-0x0000000000400000-0x0000000000537000-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 4572 build2.exe 3440 build3.exe 892 build2.exe 628 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 build2.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 file.exe -
Loads dropped DLL 2 IoCs
pid Process 892 build2.exe 892 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 812 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\\8e32c982-cbc0-4586-94f4-c0878f00e991\\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 11 api.2ip.ua 13 api.2ip.ua 19 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 5056 set thread context of 5088 5056 file.exe 83 PID 4804 set thread context of 2064 4804 file.exe 90 PID 4572 set thread context of 892 4572 build2.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 4776 892 WerFault.exe 98 -
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 1152 schtasks.exe 3228 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4484 timeout.exe -
Kills process with taskkill 1 IoCs
pid Process 5104 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5088 file.exe 5088 file.exe 2064 file.exe 2064 file.exe 892 build2.exe 892 build2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5104 taskkill.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5056 wrote to memory of 5088 5056 file.exe 83 PID 5088 wrote to memory of 812 5088 file.exe 84 PID 5088 wrote to memory of 812 5088 file.exe 84 PID 5088 wrote to memory of 812 5088 file.exe 84 PID 5088 wrote to memory of 4804 5088 file.exe 87 PID 5088 wrote to memory of 4804 5088 file.exe 87 PID 5088 wrote to memory of 4804 5088 file.exe 87 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 4804 wrote to memory of 2064 4804 file.exe 90 PID 2064 wrote to memory of 4572 2064 file.exe 92 PID 2064 wrote to memory of 4572 2064 file.exe 92 PID 2064 wrote to memory of 4572 2064 file.exe 92 PID 2064 wrote to memory of 3440 2064 file.exe 95 PID 2064 wrote to memory of 3440 2064 file.exe 95 PID 2064 wrote to memory of 3440 2064 file.exe 95 PID 3440 wrote to memory of 3228 3440 build3.exe 96 PID 3440 wrote to memory of 3228 3440 build3.exe 96 PID 3440 wrote to memory of 3228 3440 build3.exe 96 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 4572 wrote to memory of 892 4572 build2.exe 98 PID 892 wrote to memory of 3804 892 build2.exe 99 PID 892 wrote to memory of 3804 892 build2.exe 99 PID 892 wrote to memory of 3804 892 build2.exe 99 PID 3804 wrote to memory of 5104 3804 cmd.exe 102 PID 3804 wrote to memory of 5104 3804 cmd.exe 102 PID 3804 wrote to memory of 5104 3804 cmd.exe 102 PID 3804 wrote to memory of 4484 3804 cmd.exe 104 PID 3804 wrote to memory of 4484 3804 cmd.exe 104 PID 3804 wrote to memory of 4484 3804 cmd.exe 104 PID 628 wrote to memory of 1152 628 mstsca.exe 107 PID 628 wrote to memory of 1152 628 mstsca.exe 107 PID 628 wrote to memory of 1152 628 mstsca.exe 107
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:5056 -
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:5088 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\8e32c982-cbc0-4586-94f4-c0878f00e991" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:812
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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:4804 -
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:2064 -
C:\Users\Admin\AppData\Local\34e9fe91-302c-4d0b-8c6f-4a734ddbf253\build2.exe"C:\Users\Admin\AppData\Local\34e9fe91-302c-4d0b-8c6f-4a734ddbf253\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Users\Admin\AppData\Local\34e9fe91-302c-4d0b-8c6f-4a734ddbf253\build2.exe"C:\Users\Admin\AppData\Local\34e9fe91-302c-4d0b-8c6f-4a734ddbf253\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:892 -
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\34e9fe91-302c-4d0b-8c6f-4a734ddbf253\build2.exe" & del C:\PrograData\*.dll & exit7⤵
- Suspicious use of WriteProcessMemory
PID:3804 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im build2.exe /f8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5104
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:4484
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 19887⤵
- Program crash
PID:4776
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C:\Users\Admin\AppData\Local\34e9fe91-302c-4d0b-8c6f-4a734ddbf253\build3.exe"C:\Users\Admin\AppData\Local\34e9fe91-302c-4d0b-8c6f-4a734ddbf253\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3440 -
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:3228
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 892 -ip 8921⤵PID:4024
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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:628 -
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:1152
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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
MD55f0a548198075b4cd8c891c5c0f45e4c
SHA1c3dd48a91f5a4dfbecd2a9e5802a8e5d8623aab6
SHA256bcb8d4f0e605ffe557f9f3d23291e2212f39acfa1df9f24331a4075810555839
SHA5128ade693197f9ca350f7c549312de77d70ef362dd3772a9ebb86c30dc7311d047bac0b9e1b517001b4e470271f7f181313f87eeae5b7a71ec5b7be5380525e22f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5cb19ea31ccbd0203dd87e096916c57fa
SHA1cab9da6765c414006fc24a26afe3d9faed3da46c
SHA256f2c2e4c4cb0138ea54016a5b4e248a37f10c3ce22ad3ac85f8509a9692d0394b
SHA51220b5e6d75aa6340e47bb723541ede1ca9a54b8df916e3b9ae6e27ae869dfd13605feb400e0c847974594e126b9852dcb1785f55fc93ba10abcdef93ef71f5b36
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5eb8af3e7378660ccc68861be9ba2dce1
SHA166b4de28271519799ddff632a10e6bff8899a0ff
SHA256b336545595cc13b15ae3e3c2eee21bd75add9b929ea1b994e0cd136ab3917b7c
SHA512156a86f767082f6765e1810222c52a943ed8f24c76e1147fa6c2fb4102dba70150520d14068425bdde4987a273d099b4c974864fc393e8445a18fd708fa514c3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5e5336f33bfef78e72311198eea553961
SHA1705e2addebf5e5a15cb4c33efd6f7908a0400cd3
SHA2568f6888611d8c9e568d813084ccff8666bce2ea5a50c38c2cffbb9fd0314383cb
SHA5123ae3a92bcd8a72031e3e021ee84c930fe5523ff37bd68c257b6c296f72920a2d0e5c85d3dfa15f3c695e169be3648a7b3ab13e3f7daf1e6cc6b19ad7b026eabe
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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
662KB
MD500405883bad46abd502a8346b87573d9
SHA1d33e4a06498d047efa8409a8381b129d9c1d697e
SHA2561f876f7922c65d08076d4a8ddd17ea210b70e2e68b7261e780a60a4ae638c5d0
SHA5126b8715ab4b6be01ce24bd3e9ffc39c118caf3987d56f98d9e78c7366c286eb382c605b601dc12211c01b41c567cb8619bbf058a7f2e27497dfe3308ebf5ab74d
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a