Analysis
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max time kernel
107s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
08/02/2023, 11:12
Static task
static1
Behavioral task
behavioral1
Sample
8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe
Resource
win10v2004-20221111-en
General
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Target
8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe
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Size
566KB
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MD5
66fd219fc2be67a7329c1106f949e055
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SHA1
eba4fe18fe198d53a5393cfa06e883d2cc65eb99
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SHA256
8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805
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SHA512
48ba5b27967fc1e5d1123daaa9d2711ab2d44c498b02a520fa6e5119742055af955e33e2bba58393f1da274f7696f8f6ffa69c12bd12c430562b93fdac85747a
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SSDEEP
12288:+MrDy90MmMBH3j0vOn0OKdvhK2NYBzblZOxMI:lywI0S0OgpK22ZlZcMI
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection aref.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" aref.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" aref.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" aref.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" aref.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" aref.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" nika.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation xriv.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation mnolyk.exe -
Executes dropped EXE 7 IoCs
pid Process 4848 breg.exe 4780 aref.exe 2888 nika.exe 2508 xriv.exe 4552 mnolyk.exe 4712 mnolyk.exe 4396 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 3992 rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features aref.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" aref.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" nika.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" breg.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce breg.exe -
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 2092 4780 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1492 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4780 aref.exe 4780 aref.exe 2888 nika.exe 2888 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4780 aref.exe Token: SeDebugPrivilege 2888 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 4916 wrote to memory of 4848 4916 8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe 82 PID 4916 wrote to memory of 4848 4916 8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe 82 PID 4916 wrote to memory of 4848 4916 8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe 82 PID 4848 wrote to memory of 4780 4848 breg.exe 83 PID 4848 wrote to memory of 4780 4848 breg.exe 83 PID 4848 wrote to memory of 4780 4848 breg.exe 83 PID 4848 wrote to memory of 2888 4848 breg.exe 86 PID 4848 wrote to memory of 2888 4848 breg.exe 86 PID 4916 wrote to memory of 2508 4916 8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe 87 PID 4916 wrote to memory of 2508 4916 8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe 87 PID 4916 wrote to memory of 2508 4916 8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe 87 PID 2508 wrote to memory of 4552 2508 xriv.exe 88 PID 2508 wrote to memory of 4552 2508 xriv.exe 88 PID 2508 wrote to memory of 4552 2508 xriv.exe 88 PID 4552 wrote to memory of 1492 4552 mnolyk.exe 89 PID 4552 wrote to memory of 1492 4552 mnolyk.exe 89 PID 4552 wrote to memory of 1492 4552 mnolyk.exe 89 PID 4552 wrote to memory of 2100 4552 mnolyk.exe 91 PID 4552 wrote to memory of 2100 4552 mnolyk.exe 91 PID 4552 wrote to memory of 2100 4552 mnolyk.exe 91 PID 2100 wrote to memory of 2988 2100 cmd.exe 93 PID 2100 wrote to memory of 2988 2100 cmd.exe 93 PID 2100 wrote to memory of 2988 2100 cmd.exe 93 PID 2100 wrote to memory of 1552 2100 cmd.exe 94 PID 2100 wrote to memory of 1552 2100 cmd.exe 94 PID 2100 wrote to memory of 1552 2100 cmd.exe 94 PID 2100 wrote to memory of 2136 2100 cmd.exe 95 PID 2100 wrote to memory of 2136 2100 cmd.exe 95 PID 2100 wrote to memory of 2136 2100 cmd.exe 95 PID 2100 wrote to memory of 4196 2100 cmd.exe 96 PID 2100 wrote to memory of 4196 2100 cmd.exe 96 PID 2100 wrote to memory of 4196 2100 cmd.exe 96 PID 2100 wrote to memory of 4416 2100 cmd.exe 97 PID 2100 wrote to memory of 4416 2100 cmd.exe 97 PID 2100 wrote to memory of 4416 2100 cmd.exe 97 PID 2100 wrote to memory of 4060 2100 cmd.exe 98 PID 2100 wrote to memory of 4060 2100 cmd.exe 98 PID 2100 wrote to memory of 4060 2100 cmd.exe 98 PID 4552 wrote to memory of 3992 4552 mnolyk.exe 101 PID 4552 wrote to memory of 3992 4552 mnolyk.exe 101 PID 4552 wrote to memory of 3992 4552 mnolyk.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe"C:\Users\Admin\AppData\Local\Temp\8c910ec77f411c92c3ed3d044e692f1ca4f8bd296a49a3b97b4d4b1da664d805.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\breg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\breg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aref.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aref.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4780 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 10804⤵
- Program crash
PID:2092
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nika.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nika.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2888
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xriv.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xriv.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe"C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN mnolyk.exe /TR "C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe" /F4⤵
- Creates scheduled task(s)
PID:1492
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "mnolyk.exe" /P "Admin:N"&&CACLS "mnolyk.exe" /P "Admin:R" /E&&echo Y|CACLS "..\4b9a106e76" /P "Admin:N"&&CACLS "..\4b9a106e76" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2988
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:1552
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:2136
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:4196
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:4416
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:4060
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main4⤵
- Loads dropped DLL
PID:3992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4780 -ip 47801⤵PID:4888
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C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe1⤵
- Executes dropped EXE
PID:4712
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C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe1⤵
- Executes dropped EXE
PID:4396
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
379KB
MD5d0836d5e7c2c66508df7be46730dbcd2
SHA1eadbb2a18c0a16938ea4faaeac10b4c000832590
SHA256929cf5d273fcdb3fce2843971179cfac9dcbb41b2aedab719e311c092afd81a4
SHA5127a605db049cb95beb9cf3aeffe6a3494422c369cbe3554b2ed2cbb05254981f4a0602b767ca795543d73566a39656626e0bf5929d670fc17186543e141e3bd0f
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Filesize
379KB
MD5d0836d5e7c2c66508df7be46730dbcd2
SHA1eadbb2a18c0a16938ea4faaeac10b4c000832590
SHA256929cf5d273fcdb3fce2843971179cfac9dcbb41b2aedab719e311c092afd81a4
SHA5127a605db049cb95beb9cf3aeffe6a3494422c369cbe3554b2ed2cbb05254981f4a0602b767ca795543d73566a39656626e0bf5929d670fc17186543e141e3bd0f
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
356KB
MD518aa91520ddb0cb62cdcface71ab57f7
SHA17ddc8240f3b29b3c3ae136508933e45e1bde03fb
SHA256d0370aa4f63119cceb4d37ddba0c7555e9a9a5e765d2e45b14220cea28076adf
SHA5122950c8cb7eb66cb4f68aa9daf4f768bec3ca1c312085ea6742a9a3222c969cbe492a4a9a3eade0af071e8d3cbd80c17b88a97717d4fe94c476172a8164525590
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Filesize
356KB
MD518aa91520ddb0cb62cdcface71ab57f7
SHA17ddc8240f3b29b3c3ae136508933e45e1bde03fb
SHA256d0370aa4f63119cceb4d37ddba0c7555e9a9a5e765d2e45b14220cea28076adf
SHA5122950c8cb7eb66cb4f68aa9daf4f768bec3ca1c312085ea6742a9a3222c969cbe492a4a9a3eade0af071e8d3cbd80c17b88a97717d4fe94c476172a8164525590
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
89KB
MD5c79b74d8fec5e7e2ba2f1789fd582a15
SHA178a1e5d99dbaccc5e07b125e1dfb280112cb3128
SHA256b5bd049d32f0faeea6ce65a0f0d326de5bc4427a7c1ad24bfb0ea050c1dec7d3
SHA5120debfc54904fd538cfb1fc648d18f90a991337200b3decf74b28ac2f341843fb3bab4f45bc92cfec333b18dfff9cc136854462e79054a39926a7bd8ee2e057ba
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Filesize
89KB
MD5c79b74d8fec5e7e2ba2f1789fd582a15
SHA178a1e5d99dbaccc5e07b125e1dfb280112cb3128
SHA256b5bd049d32f0faeea6ce65a0f0d326de5bc4427a7c1ad24bfb0ea050c1dec7d3
SHA5120debfc54904fd538cfb1fc648d18f90a991337200b3decf74b28ac2f341843fb3bab4f45bc92cfec333b18dfff9cc136854462e79054a39926a7bd8ee2e057ba