Resubmissions
08/10/2023, 20:25
231008-y69l1sfh3s 10Analysis
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max time kernel
149s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
08/10/2023, 20:25
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
General
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Target
file.exe
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Size
786KB
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MD5
f49c53a4db7c7a6e0ef1e9243cde5ea5
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SHA1
86e2388514f7f4c2a7acd09c03325b0ed690ef83
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SHA256
cd1e5d43202f27d75d48c1d6963ef572eb3321e1ca3d6510c6a999598db09a07
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SHA512
8bd94a77fcbccbd25d6dcdbad6cf1aefc5e5cefdf3f73f4f7bda2d68147e0a87a877968067528c2bb3cfb95c3ffd668620547fb87a8691ed534bfc24a74b0226
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SSDEEP
12288:TOZ8mfnnY5jT3ncoNw7JePBRZ20CohvlPMWaRUyunKH6bkhT0J:4pY5jwo0JGBRZlNNGtuKHEwT0
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.mlza
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offline_id
FjtJkuhRHnUARRt9GnbbgUTa6ErhJq4ZM668xSt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
5.9
b4fc4cd2d76417bf461814b9d989fcdb
https://steamcommunity.com/profiles/76561199557479327
https://t.me/grizmons
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profile_id_v2
b4fc4cd2d76417bf461814b9d989fcdb
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 OPR/104.0.0.0
Signatures
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Detected Djvu ransomware 14 IoCs
resource yara_rule behavioral1/memory/740-2-0x0000000003B30000-0x0000000003C4B000-memory.dmp family_djvu behavioral1/memory/1652-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1652-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1652-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1652-44-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-52-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-53-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-66-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-67-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-71-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-73-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-74-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-78-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2620-98-0x0000000000400000-0x0000000000537000-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 1344 build2.exe 848 build3.exe 1872 build2.exe 1000 mstsca.exe -
Loads dropped DLL 6 IoCs
pid Process 2620 file.exe 2620 file.exe 2620 file.exe 2620 file.exe 1872 build2.exe 1872 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2616 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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\6745bbc5-0e32-4266-bc1e-25412145381a\\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 5 api.2ip.ua 13 api.2ip.ua 4 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 740 set thread context of 1652 740 file.exe 28 PID 2228 set thread context of 2620 2228 file.exe 32 PID 1344 set thread context of 1872 1344 build2.exe 38 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2368 schtasks.exe 1112 schtasks.exe -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 file.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 file.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 file.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 file.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 build2.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 build2.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc35300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a82000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a build2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 file.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1652 file.exe 1652 file.exe 2620 file.exe 2620 file.exe 1872 build2.exe -
Suspicious use of WriteProcessMemory 60 IoCs
description pid Process procid_target PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 740 wrote to memory of 1652 740 file.exe 28 PID 1652 wrote to memory of 2616 1652 file.exe 30 PID 1652 wrote to memory of 2616 1652 file.exe 30 PID 1652 wrote to memory of 2616 1652 file.exe 30 PID 1652 wrote to memory of 2616 1652 file.exe 30 PID 1652 wrote to memory of 2228 1652 file.exe 31 PID 1652 wrote to memory of 2228 1652 file.exe 31 PID 1652 wrote to memory of 2228 1652 file.exe 31 PID 1652 wrote to memory of 2228 1652 file.exe 31 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2228 wrote to memory of 2620 2228 file.exe 32 PID 2620 wrote to memory of 1344 2620 file.exe 34 PID 2620 wrote to memory of 1344 2620 file.exe 34 PID 2620 wrote to memory of 1344 2620 file.exe 34 PID 2620 wrote to memory of 1344 2620 file.exe 34 PID 2620 wrote to memory of 848 2620 file.exe 35 PID 2620 wrote to memory of 848 2620 file.exe 35 PID 2620 wrote to memory of 848 2620 file.exe 35 PID 2620 wrote to memory of 848 2620 file.exe 35 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 848 wrote to memory of 2368 848 build3.exe 37 PID 848 wrote to memory of 2368 848 build3.exe 37 PID 848 wrote to memory of 2368 848 build3.exe 37 PID 848 wrote to memory of 2368 848 build3.exe 37 PID 1344 wrote to memory of 1872 1344 build2.exe 38 PID 3008 wrote to memory of 1000 3008 taskeng.exe 44 PID 3008 wrote to memory of 1000 3008 taskeng.exe 44 PID 3008 wrote to memory of 1000 3008 taskeng.exe 44 PID 3008 wrote to memory of 1000 3008 taskeng.exe 44 PID 1000 wrote to memory of 1112 1000 mstsca.exe 45 PID 1000 wrote to memory of 1112 1000 mstsca.exe 45 PID 1000 wrote to memory of 1112 1000 mstsca.exe 45 PID 1000 wrote to memory of 1112 1000 mstsca.exe 45
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:740 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\6745bbc5-0e32-4266-bc1e-25412145381a" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:2616
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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:2228 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Users\Admin\AppData\Local\e0c4a45b-c407-46d2-965e-157affb02596\build2.exe"C:\Users\Admin\AppData\Local\e0c4a45b-c407-46d2-965e-157affb02596\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Users\Admin\AppData\Local\e0c4a45b-c407-46d2-965e-157affb02596\build2.exe"C:\Users\Admin\AppData\Local\e0c4a45b-c407-46d2-965e-157affb02596\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:1872
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C:\Users\Admin\AppData\Local\e0c4a45b-c407-46d2-965e-157affb02596\build3.exe"C:\Users\Admin\AppData\Local\e0c4a45b-c407-46d2-965e-157affb02596\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:848 -
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:2368
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C:\Windows\system32\taskeng.exetaskeng.exe {67E19503-882A-4BA8-8538-659CCA96DB35} S-1-5-21-3185155662-718608226-894467740-1000:YETUIZPU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1000 -
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"3⤵
- Creates scheduled task(s)
PID:1112
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD5651484023a0a0eff81663c1b91002c8c
SHA19a38c674bb602eb6ed855d61cdddc8d8e5f7baf9
SHA256058f0a03b30cf6acfe9f33f4db7ac91153a094a8804e6886bf476fdc317e7f8d
SHA512d74974ecdcf9a3cb8c55563bc27c273b401b0b6d88a3a5cc963fa1fd927b11e97ccf6641ea060c0890a62c216751f663d0c1c6f5e9d397e1461b8592ce0279ca
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD52a61a3d0f5beb7727441b0e010c30d7d
SHA12dc8b67f13196d3a658d79c9c575bf0a0b75da15
SHA2568f97e861acd3950fde5361476dd989039edff251a00b7de4df84cbacfa629a0d
SHA512d29a461cd7c4746015684c9213a72748d5440191b4b9f07209723e0b8e2b59f11cafe4b87acd123d2987ed1990d3204402f69b7f78f8607782c441efb307a12a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD514ea0fb47cac9f095927cd3b398a491a
SHA1e9bbd2fc3cdac26554dbd34c89c60c2eb379f473
SHA256c52a77b961b2a6973243a6d999e00dea5a296ea7504c4927a53e789cb6bd956d
SHA512ab23ad9d43d7be294d0fcddbf84adedf64ed43440aa8c1d085bf651fee3e9c58e8cceb8df96a8541ac82bcfb35cfd2c220a381391a19aea3ee6a461bdc3eca43
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD54d20aede72b9f1810ec22e4d6748202d
SHA11eb8fcb09f76f2ff3a688f5f26769c091bfdf2c3
SHA256c4033f7aa318afdc2dd5547fd42674405949caa3a369693758bd1aaa6aeffe36
SHA512bf7eb2aa8201271ce1337d6e5d806fb61e01c6e0eccff731eef45ed8e91d74698022d336fc2facd3718a210606a2967626116a28a4fc0d19b83297c069359336
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD53838c36935efe89a032390af58531362
SHA18cec2ffe9a9a80f8804f84e72eabfec87aafcb1c
SHA256e86cb6186e3890dda9428a094b2ca5beb71d2055a947db9f5c03382691559b6c
SHA51249717d1ec82d29440548f84f330e3917e3ecdf297846e8a6b06dbee4cacce63f41bab2e072d630522be451667c9f4daddcc31c33da9a4d5ec1144db458c10cd4
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Filesize
786KB
MD5f49c53a4db7c7a6e0ef1e9243cde5ea5
SHA186e2388514f7f4c2a7acd09c03325b0ed690ef83
SHA256cd1e5d43202f27d75d48c1d6963ef572eb3321e1ca3d6510c6a999598db09a07
SHA5128bd94a77fcbccbd25d6dcdbad6cf1aefc5e5cefdf3f73f4f7bda2d68147e0a87a877968067528c2bb3cfb95c3ffd668620547fb87a8691ed534bfc24a74b0226
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
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Filesize
338KB
MD54af351cad48ae0a8310396db36088d01
SHA1587e5cce7a25de94acd440925981f27c4b052113
SHA256e81cf314b9336ae58e0ed051467245f4eea056c30bd54429d740aad521813092
SHA51273b347494835d2fbb378f87c4d1f81b71801e14d598377e288af08f37415f85dc212d71128e85111131938c62f49c6eb3fb7c74ba9f6927025cbbd5da799a982
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Filesize
338KB
MD54af351cad48ae0a8310396db36088d01
SHA1587e5cce7a25de94acd440925981f27c4b052113
SHA256e81cf314b9336ae58e0ed051467245f4eea056c30bd54429d740aad521813092
SHA51273b347494835d2fbb378f87c4d1f81b71801e14d598377e288af08f37415f85dc212d71128e85111131938c62f49c6eb3fb7c74ba9f6927025cbbd5da799a982
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Filesize
338KB
MD54af351cad48ae0a8310396db36088d01
SHA1587e5cce7a25de94acd440925981f27c4b052113
SHA256e81cf314b9336ae58e0ed051467245f4eea056c30bd54429d740aad521813092
SHA51273b347494835d2fbb378f87c4d1f81b71801e14d598377e288af08f37415f85dc212d71128e85111131938c62f49c6eb3fb7c74ba9f6927025cbbd5da799a982
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Filesize
338KB
MD54af351cad48ae0a8310396db36088d01
SHA1587e5cce7a25de94acd440925981f27c4b052113
SHA256e81cf314b9336ae58e0ed051467245f4eea056c30bd54429d740aad521813092
SHA51273b347494835d2fbb378f87c4d1f81b71801e14d598377e288af08f37415f85dc212d71128e85111131938c62f49c6eb3fb7c74ba9f6927025cbbd5da799a982
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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
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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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Filesize
338KB
MD54af351cad48ae0a8310396db36088d01
SHA1587e5cce7a25de94acd440925981f27c4b052113
SHA256e81cf314b9336ae58e0ed051467245f4eea056c30bd54429d740aad521813092
SHA51273b347494835d2fbb378f87c4d1f81b71801e14d598377e288af08f37415f85dc212d71128e85111131938c62f49c6eb3fb7c74ba9f6927025cbbd5da799a982
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Filesize
338KB
MD54af351cad48ae0a8310396db36088d01
SHA1587e5cce7a25de94acd440925981f27c4b052113
SHA256e81cf314b9336ae58e0ed051467245f4eea056c30bd54429d740aad521813092
SHA51273b347494835d2fbb378f87c4d1f81b71801e14d598377e288af08f37415f85dc212d71128e85111131938c62f49c6eb3fb7c74ba9f6927025cbbd5da799a982
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a