Analysis
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max time kernel
100s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11-09-2024 01:43
Static task
static1
Behavioral task
behavioral1
Sample
41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe
Resource
win7-20240708-en
General
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Target
41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe
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Size
283KB
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MD5
c4c32e39c7bfcc29bf6c9f470a35c687
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SHA1
a15b2cf75d84a72e6c7102f11ab2839e8e15fc06
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SHA256
41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea
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SHA512
b9e8c165789e4dc7ac804ce673143c9d5d13c86bf11aca76eae3ded6d3e3aabf3254081934d4a956ad657f51da34f0fc57104c59409c94f57212b6ccca50b574
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SSDEEP
6144:U+jx57K2e1hirl2pSiryGwV42xHP72d7ZO3D67/mEO:jjXm24hi6SiuGu42hP729ZOwOEO
Malware Config
Extracted
vidar
https://t.me/fneogr
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Extracted
lumma
https://complainnykso.shop/api
https://preachstrwnwjw.shop/api
https://basedsymsotp.shop/api
https://charistmatwio.shop/api
https://grassemenwji.shop/api
https://ignoracndwko.shop/api
https://stitchmiscpaew.shop/api
https://commisionipwn.shop/api
Signatures
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Detect Vidar Stealer 20 IoCs
resource yara_rule behavioral2/memory/3808-3-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-8-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-6-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-21-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-22-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-39-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-40-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-56-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-57-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-88-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-89-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-96-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3808-97-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4816-125-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4816-120-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4816-117-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4816-152-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4816-153-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4816-169-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4816-171-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 4240 KEHCGCGCFH.exe 4316 DBAAFIDGDA.exe -
Loads dropped DLL 2 IoCs
pid Process 3808 RegAsm.exe 3808 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2436 set thread context of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 4240 set thread context of 4816 4240 KEHCGCGCFH.exe 100 PID 4316 set thread context of 4796 4316 DBAAFIDGDA.exe 103 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KEHCGCGCFH.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DBAAFIDGDA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3712 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3808 RegAsm.exe 3808 RegAsm.exe 3808 RegAsm.exe 3808 RegAsm.exe 3808 RegAsm.exe 3808 RegAsm.exe 3808 RegAsm.exe 3808 RegAsm.exe 4816 RegAsm.exe 4816 RegAsm.exe 4816 RegAsm.exe 4816 RegAsm.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 2436 wrote to memory of 3808 2436 41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe 86 PID 3808 wrote to memory of 4240 3808 RegAsm.exe 97 PID 3808 wrote to memory of 4240 3808 RegAsm.exe 97 PID 3808 wrote to memory of 4240 3808 RegAsm.exe 97 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 4240 wrote to memory of 4816 4240 KEHCGCGCFH.exe 100 PID 3808 wrote to memory of 4316 3808 RegAsm.exe 101 PID 3808 wrote to memory of 4316 3808 RegAsm.exe 101 PID 3808 wrote to memory of 4316 3808 RegAsm.exe 101 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 4316 wrote to memory of 4796 4316 DBAAFIDGDA.exe 103 PID 3808 wrote to memory of 2952 3808 RegAsm.exe 104 PID 3808 wrote to memory of 2952 3808 RegAsm.exe 104 PID 3808 wrote to memory of 2952 3808 RegAsm.exe 104 PID 2952 wrote to memory of 3712 2952 cmd.exe 106 PID 2952 wrote to memory of 3712 2952 cmd.exe 106 PID 2952 wrote to memory of 3712 2952 cmd.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe"C:\Users\Admin\AppData\Local\Temp\41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\ProgramData\KEHCGCGCFH.exe"C:\ProgramData\KEHCGCGCFH.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4816
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C:\ProgramData\DBAAFIDGDA.exe"C:\ProgramData\DBAAFIDGDA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:4796
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AFIEGCAECGCA" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3712
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
321KB
MD5da06c340e4f32ce73c4a1aa4c3e1906d
SHA1db052b26ca623558c0d2c3a1184c70fa74cd9258
SHA256e411128093d3247f7a4ffade6252146784262d6d8647143ac8dd2157499f3b82
SHA5127ba6100a92c2d0906e718e38037aaa597307be796363da060abf7d19f67f5765d27dbab3d1f385be4180e3abcfbcd40a62f317a9b41551fc017dc7a74ef58a23
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
283KB
MD5fa3494703899cbfa59ca491e5ab8efaf
SHA1b2b680621f92dd8d8acc96b9cfe35a83dcc935a4
SHA2568eb8822fcff05d89036329669bd654ca07ac68acbe7266d62223e2b5ad9eb67b
SHA5120e64227c198b153d765b01baf79d262d5391df9fe6e9d8c3837f906055da74181ce36a58933a08510a195e2084da71dba8560964b4de3ede140d7022f67c9578
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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\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize2KB
MD58d47da4227341e616eea48814aa48810
SHA19f3a264cfd0c2794b4a19973d3d8508effcdeba7
SHA2561d6880061408e43cd35cbe82809e209ccaed087817e4379b3f921a7a6fe51abd
SHA512e2224571f05f6f3982c8947182f79c42b2f2452abb7d8324b2f47f66b68e9dced73981fe89c7b83010c32d83c525986f06f9dfdf15bb93dc857bbbcc17b52a5d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD5527160b3a21ee491e1befb6110e570f9
SHA12caac71b744946177f1ec9bdecb2488737a85a22
SHA2568a98dd37a75d878b333a66b904af5a7135cce62ad69f740bd0c25474102f56d5
SHA51219f54d383e9c65a602912cab288023f89516be41b29aeda3c1f4921fd502076e43f4c1a012cb4cc831585cfcd085d2cf8cee54f309d6b8843cbdc41b7af2c89d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD5b7ceb19f15d5f0cffc3792522413917d
SHA1551a26f3ee21d09c54e06b2a40c143065991b056
SHA2565211ff21f2723b9778213b7f119c99c948b1885487cc7ee5a328b6e3092bfbf5
SHA5127f35e902d25c642d58796378acf916687a0de14d6e435ef9e79f083809acef076488ad0a3d8d5eab4a8616455d716646f8a2b66fb4fd32ad7ae3233d8d7a219d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5060221b130c58fec9075fc54281c30a4
SHA10bf941cc2ede325edc17260a8254875e02b84df1
SHA256d9b8fc3e4902b972f8558a3082a2998e5819670e5da3ba08d48a02933c9ce850
SHA51297d25178dc2cd5a042372d03682094340f0169af04eb491add1fa3997df77afde83bc8669789af91422f8d8eaba763899c016e10b4d31f658f2570cacc77a834
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5a07e54d5badc1c20cac4879e89e027d1
SHA1f892a7cbbc8cae742777ef8e3a65e203ffe2649e
SHA256c3fe4606f7ac953aedc76185bf4dac41b2ebe9f9a837d66e5cb9799691e85461
SHA51241fceeab3c3dc45a14dd19639d634e0474eee9f8064e6b91826efa256059cb1bb53b7472223fb2cc95e072fd642ce93633a4012754bbb902942058f30510d2aa
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD515379dc4e631d767af8b304874f0404b
SHA13f2bab59c423a03d820d1fab82eca07a195ab8b9
SHA256f8126114a0251c20dec74918e85ba866e877406597d76832440101c6e32dcac7
SHA512b3addb1def14f7c5c5946927abf2ebd49b4559f16a55660bf0a4eb6897bd98c056aab9afd0a7f3fb58d55f9d6fe24e186878164e9ff54a2f52c702b833bd058d
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Filesize
2.3MB
MD590e744829865d57082a7f452edc90de5
SHA1833b178775f39675fa4e55eab1032353514e1052
SHA256036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550
SHA5120a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323