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Analysis
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max time kernel
108s -
max time network
167s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31/12/2023, 22:42
Static task
static1
Behavioral task
behavioral1
Sample
e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe
Resource
win10-20231220-en
Behavioral task
behavioral3
Sample
e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe
Resource
win11-20231215-en
General
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Target
e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe
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Size
690KB
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MD5
36172786193e5f7a14f53d687ff81193
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SHA1
c000948357737a3efa4d141e4bb7439aed41abb5
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SHA256
e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2
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SHA512
e9fc808b1b48aab02aad0574bbb71b8d4815a19a0c03009e9c5e2bcedfc6320ffaa8aa040fc1562aa8be5ac2d19d9a5c44b8344147af0236ad2ce54bc5e2c12e
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SSDEEP
12288:PQ4Hnb0GvoG5VfM93lbDOKOoRjDgptHZQ8er2wieqcgqAwXEppmubS:o6nIGvoMVwOKjtgpt6BVJAwEpI
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.cdqw
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offline_id
mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1
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payload_url
http://brusuax.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Signatures
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Detect Vidar Stealer 8 IoCs
resource yara_rule behavioral1/memory/952-98-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/952-101-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/952-102-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/396-96-0x00000000001B0000-0x00000000001DA000-memory.dmp family_vidar_v6 behavioral1/memory/952-139-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/952-167-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/952-187-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 behavioral1/memory/952-188-0x0000000000400000-0x000000000063D000-memory.dmp family_vidar_v6 -
Detected Djvu ransomware 15 IoCs
resource yara_rule behavioral1/memory/2196-4-0x00000000021F0000-0x000000000230B000-memory.dmp family_djvu behavioral1/memory/2356-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2356-7-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2356-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2356-28-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-52-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-54-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-56-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-60-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-63-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-62-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-64-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2612-92-0x0000000000400000-0x0000000000537000-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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Modifies file permissions 1 TTPs 1 IoCs
pid Process 2840 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\dc9bd6c5-9ff3-4a22-ae09-dc9c04badd7a\\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe\" --AutoStart" e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe -
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 3 api.2ip.ua 4 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2196 set thread context of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2844 set thread context of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 2612 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 2612 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2196 wrote to memory of 2356 2196 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 28 PID 2356 wrote to memory of 2840 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 30 PID 2356 wrote to memory of 2840 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 30 PID 2356 wrote to memory of 2840 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 30 PID 2356 wrote to memory of 2840 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 30 PID 2356 wrote to memory of 2844 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 31 PID 2356 wrote to memory of 2844 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 31 PID 2356 wrote to memory of 2844 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 31 PID 2356 wrote to memory of 2844 2356 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 31 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32 PID 2844 wrote to memory of 2612 2844 e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe"C:\Users\Admin\AppData\Local\Temp\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Users\Admin\AppData\Local\Temp\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe"C:\Users\Admin\AppData\Local\Temp\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\dc9bd6c5-9ff3-4a22-ae09-dc9c04badd7a" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:2840
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C:\Users\Admin\AppData\Local\Temp\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe"C:\Users\Admin\AppData\Local\Temp\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Users\Admin\AppData\Local\Temp\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe"C:\Users\Admin\AppData\Local\Temp\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2612 -
C:\Users\Admin\AppData\Local\154e014c-238f-4fb0-bce1-c3a702b4c5f2\build2.exe"C:\Users\Admin\AppData\Local\154e014c-238f-4fb0-bce1-c3a702b4c5f2\build2.exe"5⤵PID:396
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C:\Users\Admin\AppData\Local\154e014c-238f-4fb0-bce1-c3a702b4c5f2\build2.exe"C:\Users\Admin\AppData\Local\154e014c-238f-4fb0-bce1-c3a702b4c5f2\build2.exe"6⤵PID:952
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize1KB
MD5066f25f02e2b2ee2af54544028f9dd37
SHA19167983ad24f65c762b7622a8f43e8a218cd72b5
SHA256b208bbc90869834e2fe53ae058b5ab6c200f5c5a00d8b536989f65071568be8c
SHA512d79e1b28bae5f2026cbc142aa0ee78552d20b477ef507b12ba36f1522c7be1b20b4d0e218a3755537d5610ef0852744e673149944f8b337ace006280e71c2beb
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize724B
MD58202a1cd02e7d69597995cabbe881a12
SHA18858d9d934b7aa9330ee73de6c476acf19929ff6
SHA25658f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
SHA51297ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize410B
MD5eaf49ae41ba9178e804bbce9e7513f15
SHA1beca6dcf37f809813de7a7762b64e1842dd7d497
SHA256f0f6dc66f7ec815ab716ee81a7eced6a80b20fcf3d42817878aeb639fa16b39d
SHA512925dce610f90a4b23c2ea29313b5ea98d2873dbdae94f0af53426df1d00ceebdf583edda606d362d24e2e69b13c9e7bea2b45d862485536eb6f6d999e6c710a2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5eb064309ba0cee0418c8f11e332cf907
SHA15398818d4dd8c6f5d03097447652f91e949718f5
SHA256c43ce2133ee89a77f17f7ca36b067a512e237a212b3ad30a6894418f6505bf76
SHA512279238513aace541989899328975bb55d0823d3999f3d88692f88f6b246b8abf680616e0261f8824b6756a859ecf9c16e781673d7b08022d80eaaf643aa5a8c7
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5982ded2446096b9be81f6137d08bea5e
SHA11b3e89163d0fef97476a7ba9e48cf3fca7e8a4d5
SHA2560f8467eea64e7016464b0dcb5581bb1d8a3956060fb35a2971c2c6a746b01362
SHA512f09e99fc24a718dcb166ff93e53d647f29398fd31efd075ad334c27e6009b767de878f322e9c7b63d9d82d6c4d146f3d07fab75cb089d3f925a1b979af662e6c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize392B
MD5df7716b26e73269e9e87084c3eb8a4cf
SHA1c7311db9b83923f5a2f1e8bf8a4098f731b47941
SHA256c9118fef4631d6798f105e6baa4646f3a4c149d55b36d26544eee701d6ac4b49
SHA5124ab4c67312c556fd7be005e0e9ae54e939c2bf9aa77b9e27004b314c541e91cd686a148927c9612ee736cb0e290c42efeed5557b3a79290e379d1c32389bbf52
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Filesize
247KB
MD51f7efac73d987dae200e36922267d8c6
SHA1a1bb90007d2e00025953c13ca742d767ebcce27e
SHA2565719504e2f4e976c8ce6fbfda399b80273e783ff05f61dfd1f1bd4737f0bde8a
SHA51275ef83a7e079e553a98e60dd73a9eebbaa793ced7bbd8a712a8f7f363349456d12b3766481d03d00f376cf31c4697afd934eb9b29a2e70727a70a9f463d03bed
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Filesize
16KB
MD56d3fcd419ccd6052e6f475ea0217c39a
SHA171cc6dd68d4877fb04cb00fb01ecd054014ee5f4
SHA2561104e5e33baf9e8cb5b71fcb77702c9de70cd89f594a8d8a1cb95a710ed9c590
SHA512e8c00e3e5d892a44cd90129b7420b6f67310c277e74f35d255f74f1981c20661cc2a340ee214f83e19a1a3c579be445fb8d8405f3e2c21a1bf972e1a3ef7e369
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Filesize
34KB
MD5153f84b22b448d8739834d6d685533e8
SHA167b870cc89ae2d1fc1d4bcf641333c4a123a3fba
SHA256edf35eb3a8b4350cba08a61a1a46ce2be513ad946dc93138eb9376acade3f2a5
SHA512cc814a8c9113bf5e5366e07c7349b91e019971dea97965fa74f51998ba081069e81f1d0b296a7b42f76f9cb1845a868cc7a354dd7e5f441e79b5ab2cc1a209eb
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Filesize
23KB
MD50b382f8001d0baee72c248006b169b8e
SHA15bbff36f8c62dd665e5cd9904a306cefaa4381c0
SHA25635102ad9654547d62a5301cf1ebe1b3279c51b5b61bff7c43ee68e929d3b3052
SHA512bee8773715930c02a0d9a933ce7fdf4daabe66a23436632196e30a7b19bccc249120a72df29956b9cc93a36b5ead0de4663e4e7812d5c85e5d6d9424c279cf1e
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Filesize
116KB
MD5aac923355e724d3176eab1468e0541c7
SHA15a26fe7448d71959c8e066eb6c0bf4a1d8abe180
SHA256578ac2bf1e2eb667353710c7299813839b6b231744875ec58a89aa4c56185ca6
SHA512ca621b8685d816cad436f2f47746d95f7a1a6e635991cfa8442e90b7d44b8d79bcd250c6ef2cd3ab82585bcc4e45d7dd95217a1f7616472bfbc4ef059837c5a0
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C:\Users\Admin\AppData\Local\dc9bd6c5-9ff3-4a22-ae09-dc9c04badd7a\e563dee44c2d5803f03a22ba355734ca5729e6ea8a1a15ee0d1212280150ada2.exe
Filesize112KB
MD57bcea5882f376f720e897ef7e81341de
SHA1d682780bb2a1e92c69d6905fc608dd860b280c86
SHA2561737b6b5a3c7d1594f95c0466a441ee47b550168400abf3f9f87a052b6cce21c
SHA512a8560a52828806c25c1f397212fec16944fc73e5383ffbd9138cfd140b1abb0ac763080745ef6d9682c7947b0273e3c13b135e3a5655392909cddd371dce5332
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Filesize
187KB
MD5861cdeb9ff30786095aeeea998dbfd2b
SHA1ddf681c1b6fafea357a4604e0ee9cc58530a4d8c
SHA256654d1589b520bac0c27c8433f0768d8246fab36b4d7d5ce2bd25b8d0301f0c3c
SHA5121b46ea212ffeed2214a4b990379d6115c2375c3fdb3067bdb717ad3648af075bdb38c1b1bbe9570ece9e2d3624a4f064e91a0c0e5e48d005205aa2e1cb376e64