Analysis
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max time kernel
110s -
max time network
148s -
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, 21:31
Static task
static1
Behavioral task
behavioral1
Sample
05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe
Resource
win10v2004-20221111-en
General
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Target
05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe
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Size
568KB
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MD5
f5ef8a53dc7e4f8070308d3efdb47cad
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SHA1
d3a662bd279d9940e01a42519f3f8006329cff3d
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SHA256
05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f
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SHA512
d68af2d566f47b14b7d1e16e0ab58f60b3d3e55b83586d01d0bfa725b2e720473643c0cd9751586d10bfc53152ed7ea47e27eda3aad6626b985dcdc168c8f0fd
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SSDEEP
12288:3Mriy90wRgHKNB4ibDt22r1SP0igZJPBEIDFgXBhhFH45K:ZyyKNOivt2YBEwgXBhhFH45K
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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description ioc Process 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\DisableIOAVProtection = "1" afBl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" afBl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" afBl.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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection afBl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" afBl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" afBl.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation xriv.exe Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation mnolyk.exe -
Executes dropped EXE 7 IoCs
pid Process 4800 bfBg.exe 4440 afBl.exe 4284 nika.exe 1588 xriv.exe 656 mnolyk.exe 228 mnolyk.exe 3652 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 3844 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" afBl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" nika.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features afBl.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.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\\\"" 05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bfBg.exe 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\\\"" bfBg.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 3216 4440 WerFault.exe 81 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 668 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4440 afBl.exe 4440 afBl.exe 4284 nika.exe 4284 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4440 afBl.exe Token: SeDebugPrivilege 4284 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4800 4872 05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe 80 PID 4872 wrote to memory of 4800 4872 05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe 80 PID 4872 wrote to memory of 4800 4872 05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe 80 PID 4800 wrote to memory of 4440 4800 bfBg.exe 81 PID 4800 wrote to memory of 4440 4800 bfBg.exe 81 PID 4800 wrote to memory of 4440 4800 bfBg.exe 81 PID 4800 wrote to memory of 4284 4800 bfBg.exe 84 PID 4800 wrote to memory of 4284 4800 bfBg.exe 84 PID 4872 wrote to memory of 1588 4872 05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe 85 PID 4872 wrote to memory of 1588 4872 05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe 85 PID 4872 wrote to memory of 1588 4872 05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe 85 PID 1588 wrote to memory of 656 1588 xriv.exe 86 PID 1588 wrote to memory of 656 1588 xriv.exe 86 PID 1588 wrote to memory of 656 1588 xriv.exe 86 PID 656 wrote to memory of 668 656 mnolyk.exe 87 PID 656 wrote to memory of 668 656 mnolyk.exe 87 PID 656 wrote to memory of 668 656 mnolyk.exe 87 PID 656 wrote to memory of 1712 656 mnolyk.exe 89 PID 656 wrote to memory of 1712 656 mnolyk.exe 89 PID 656 wrote to memory of 1712 656 mnolyk.exe 89 PID 1712 wrote to memory of 396 1712 cmd.exe 91 PID 1712 wrote to memory of 396 1712 cmd.exe 91 PID 1712 wrote to memory of 396 1712 cmd.exe 91 PID 1712 wrote to memory of 3868 1712 cmd.exe 92 PID 1712 wrote to memory of 3868 1712 cmd.exe 92 PID 1712 wrote to memory of 3868 1712 cmd.exe 92 PID 1712 wrote to memory of 3864 1712 cmd.exe 93 PID 1712 wrote to memory of 3864 1712 cmd.exe 93 PID 1712 wrote to memory of 3864 1712 cmd.exe 93 PID 1712 wrote to memory of 4836 1712 cmd.exe 94 PID 1712 wrote to memory of 4836 1712 cmd.exe 94 PID 1712 wrote to memory of 4836 1712 cmd.exe 94 PID 1712 wrote to memory of 4696 1712 cmd.exe 95 PID 1712 wrote to memory of 4696 1712 cmd.exe 95 PID 1712 wrote to memory of 4696 1712 cmd.exe 95 PID 1712 wrote to memory of 2040 1712 cmd.exe 96 PID 1712 wrote to memory of 2040 1712 cmd.exe 96 PID 1712 wrote to memory of 2040 1712 cmd.exe 96 PID 656 wrote to memory of 3844 656 mnolyk.exe 99 PID 656 wrote to memory of 3844 656 mnolyk.exe 99 PID 656 wrote to memory of 3844 656 mnolyk.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe"C:\Users\Admin\AppData\Local\Temp\05b0077a16c46f0b8a42a756abd99ff09313a92bc6d153acb5ecfec27f59ed4f.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bfBg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bfBg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\afBl.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\afBl.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 10804⤵
- Program crash
PID:3216
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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:4284
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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:1588 -
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:656 -
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:668
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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:1712 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:396
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:3868
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:3864
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:4836
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:4696
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:2040
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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:3844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4440 -ip 44401⤵PID:3220
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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:228
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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:3652
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
381KB
MD59bc5a707b8b5e22e35f61d863e148a26
SHA156b62d2342abe830c2028eba31b5aad545169395
SHA256a646ea4c4ab3f7c3ce88a5705e7e1639267e47b2f8bb2375112115ede1054389
SHA5123b2ad36fb859b75b75aac395c5a4dbd9350e48713ed3797f223352ad8940ead8056c35797ce0db07db2c55b7455568695eefbc98e0e941d1bcc77d1f45385415
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Filesize
381KB
MD59bc5a707b8b5e22e35f61d863e148a26
SHA156b62d2342abe830c2028eba31b5aad545169395
SHA256a646ea4c4ab3f7c3ce88a5705e7e1639267e47b2f8bb2375112115ede1054389
SHA5123b2ad36fb859b75b75aac395c5a4dbd9350e48713ed3797f223352ad8940ead8056c35797ce0db07db2c55b7455568695eefbc98e0e941d1bcc77d1f45385415
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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
364KB
MD5141e7f31fa69aded4666bdf582bd90fc
SHA188367d30ecb07b2e2b2221497214d1f38deb4407
SHA256fef86037968ea1fe5042f89cb4d8febe34a11073dd6d05ca92c06ecda6bb86cd
SHA512660e2ec657e836faee3a67e61c6ca6ae3d0eb38d5a2a27236a551253d277540fa4a0adc012646807ccb34a10e0629fd4f7082766ec0a62e8736ddc54976a6c97
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Filesize
364KB
MD5141e7f31fa69aded4666bdf582bd90fc
SHA188367d30ecb07b2e2b2221497214d1f38deb4407
SHA256fef86037968ea1fe5042f89cb4d8febe34a11073dd6d05ca92c06ecda6bb86cd
SHA512660e2ec657e836faee3a67e61c6ca6ae3d0eb38d5a2a27236a551253d277540fa4a0adc012646807ccb34a10e0629fd4f7082766ec0a62e8736ddc54976a6c97
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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