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Analysis
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max time kernel
147s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2023, 11:45
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
General
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Target
setup.exe
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Size
694KB
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MD5
f22ae52f2434a2203e71423aa189e7ec
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SHA1
c45f5f08879e47e6a48257eb125744ca4b1a1472
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SHA256
47c30977596a3c9dfaaeb86fae2200bd2929ea03b7092cf32c96fa9768b98aa0
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SHA512
d30763692569e13fed251b5adcb194f953a81f974e2a77dddaeed31e79216ea724490f7f799bb6a4a0e4056a964e8ec4b43f7834eb463bc6d43da254fd13870c
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SSDEEP
12288:KIBIrGI9DHyzc7euF198J7r3LufYERt3EsaJaocxfLLrp/On6p:ty9hHyzc7eC9Q7ufYE/3EsK5MfLLrdA
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.nifr
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offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.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-v8HcfXTy5x 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: 0679SUjhw
Extracted
vidar
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Signatures
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Detected Djvu ransomware 16 IoCs
resource yara_rule behavioral2/memory/5116-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5116-135-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4280-136-0x0000000002100000-0x000000000221B000-memory.dmp family_djvu behavioral2/memory/5116-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5116-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5116-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-151-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-157-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-158-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-159-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-168-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-172-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-174-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-193-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3920-278-0x0000000000400000-0x0000000000537000-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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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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation setup.exe Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation setup.exe Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation build2.exe -
Executes dropped EXE 4 IoCs
pid Process 4948 build2.exe 1132 build2.exe 884 build3.exe 4400 mstsca.exe -
Loads dropped DLL 2 IoCs
pid Process 1132 build2.exe 1132 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1356 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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\9d0d3662-a395-4f6e-b4ac-109c2cfab0ef\\setup.exe\" --AutoStart" setup.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 22 api.2ip.ua 10 api.2ip.ua 11 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4280 set thread context of 5116 4280 setup.exe 82 PID 4848 set thread context of 3920 4848 setup.exe 88 PID 4948 set thread context of 1132 4948 build2.exe 92 -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString build2.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 4596 schtasks.exe 3312 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3748 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5116 setup.exe 5116 setup.exe 3920 setup.exe 3920 setup.exe 1132 build2.exe 1132 build2.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 4280 wrote to memory of 5116 4280 setup.exe 82 PID 5116 wrote to memory of 1356 5116 setup.exe 83 PID 5116 wrote to memory of 1356 5116 setup.exe 83 PID 5116 wrote to memory of 1356 5116 setup.exe 83 PID 5116 wrote to memory of 4848 5116 setup.exe 84 PID 5116 wrote to memory of 4848 5116 setup.exe 84 PID 5116 wrote to memory of 4848 5116 setup.exe 84 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 4848 wrote to memory of 3920 4848 setup.exe 88 PID 3920 wrote to memory of 4948 3920 setup.exe 90 PID 3920 wrote to memory of 4948 3920 setup.exe 90 PID 3920 wrote to memory of 4948 3920 setup.exe 90 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 4948 wrote to memory of 1132 4948 build2.exe 92 PID 3920 wrote to memory of 884 3920 setup.exe 95 PID 3920 wrote to memory of 884 3920 setup.exe 95 PID 3920 wrote to memory of 884 3920 setup.exe 95 PID 884 wrote to memory of 3312 884 build3.exe 93 PID 884 wrote to memory of 3312 884 build3.exe 93 PID 884 wrote to memory of 3312 884 build3.exe 93 PID 1132 wrote to memory of 3348 1132 build2.exe 98 PID 1132 wrote to memory of 3348 1132 build2.exe 98 PID 1132 wrote to memory of 3348 1132 build2.exe 98 PID 3348 wrote to memory of 3748 3348 cmd.exe 100 PID 3348 wrote to memory of 3748 3348 cmd.exe 100 PID 3348 wrote to memory of 3748 3348 cmd.exe 100 PID 4400 wrote to memory of 4596 4400 mstsca.exe 103 PID 4400 wrote to memory of 4596 4400 mstsca.exe 103 PID 4400 wrote to memory of 4596 4400 mstsca.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\9d0d3662-a395-4f6e-b4ac-109c2cfab0ef" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:1356
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Users\Admin\AppData\Local\a8e561b4-7e1e-41ce-b2f0-348a457f7959\build2.exe"C:\Users\Admin\AppData\Local\a8e561b4-7e1e-41ce-b2f0-348a457f7959\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Users\Admin\AppData\Local\a8e561b4-7e1e-41ce-b2f0-348a457f7959\build2.exe"C:\Users\Admin\AppData\Local\a8e561b4-7e1e-41ce-b2f0-348a457f7959\build2.exe"6⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\a8e561b4-7e1e-41ce-b2f0-348a457f7959\build2.exe" & exit7⤵
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:3748
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C:\Users\Admin\AppData\Local\a8e561b4-7e1e-41ce-b2f0-348a457f7959\build3.exe"C:\Users\Admin\AppData\Local\a8e561b4-7e1e-41ce-b2f0-348a457f7959\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:884
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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"1⤵
- Creates scheduled task(s)
PID:3312
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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:4400 -
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:4596
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
MD5b636591fc66c9d2a1a425dd29939147f
SHA10d48b7a8df06ce304c8a8b1c1dae5912c6b666f4
SHA25695c629cd39afdd4a9e98a94b6ea6a85c3e692c27c77d963899177b55948b72d1
SHA512e6be6c7ec5a010a3a3509a567891a0f338bf19e84649f5240e7e500cfc87c752cb28ca6a54aa93d896f4cdf2eac46775bf1165b0085eab23176b237d1bd9ad31
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5a8c5ec082ddbfa706307d295f25ae6fa
SHA19d59be752069e201236a1edec3c3b374afc1b382
SHA256c6e194e6a673e59490dfe69c0ea81bff16de4cb1b9b82408dc2738ec7efe488c
SHA51280441dd81f5edc564f50c550a2b93db1bcf7d809811f8df43896d4d3d85c4bda95e735e67f82edf951f2601c84119f8a0769df3643ec777172f1134132ec6dd8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD55d5695c699ea18bd04fa226133c28a4e
SHA1c1e551a8d0186f4241b0517f78110f56d28cf6be
SHA256c50121099089fd6c6888d8bd4542eb24ba25a4a37eee580c38f8a869f30ec955
SHA512a99dbdda86938e6cfca2c01b78e9683e56ba6aef76df1901c482b8c37fb4e7d9327ab48d4e20c7ed4b43725bdf924202f67fd5e885c2f5ee0886748ef1ed73a2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5f95ac88938bac72ec657e7384ac6f921
SHA166c18219e2c16e2d39150183c8f2854864587eb1
SHA2560e80e9971bfcdd8bfcbd3b5ad4e22bab528a84f644d36984bea0900f91a60c00
SHA512077a8c9cb6724151614a8993169e19957373121d74011bc873025d352d69cbbf71d65e25002e77afdb0a10881773ce688c9d5314c9549978d14819fa6cda189f
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Filesize
694KB
MD5f22ae52f2434a2203e71423aa189e7ec
SHA1c45f5f08879e47e6a48257eb125744ca4b1a1472
SHA25647c30977596a3c9dfaaeb86fae2200bd2929ea03b7092cf32c96fa9768b98aa0
SHA512d30763692569e13fed251b5adcb194f953a81f974e2a77dddaeed31e79216ea724490f7f799bb6a4a0e4056a964e8ec4b43f7834eb463bc6d43da254fd13870c
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Filesize
416KB
MD5aa18968e6cfbdc382ada6a3ed2852085
SHA14a41fa1a182916d5790aa2071106b3441d64468d
SHA256c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb
SHA5128ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845
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Filesize
416KB
MD5aa18968e6cfbdc382ada6a3ed2852085
SHA14a41fa1a182916d5790aa2071106b3441d64468d
SHA256c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb
SHA5128ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845
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Filesize
416KB
MD5aa18968e6cfbdc382ada6a3ed2852085
SHA14a41fa1a182916d5790aa2071106b3441d64468d
SHA256c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb
SHA5128ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845
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Filesize
416KB
MD5aa18968e6cfbdc382ada6a3ed2852085
SHA14a41fa1a182916d5790aa2071106b3441d64468d
SHA256c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb
SHA5128ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845
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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
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a