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Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2023, 20:44
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.497c703002250e05da75df461c3abe10_JC.dll
Resource
win7-20231023-en
General
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Target
NEAS.497c703002250e05da75df461c3abe10_JC.dll
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Size
120KB
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MD5
497c703002250e05da75df461c3abe10
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SHA1
970cc6a10c30f287fbea64f3ef43a3f434dbd5d6
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SHA256
2848230b3fee8839522d26325c2ab483dccc673abcd54ed26034dcafad42b35b
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SHA512
58838b8676c97b71178cd85d4f34a0b663544839dea615f049837fa31c652ed998a8206f2e1eb9a49caa5d72ab3ee18ecaca8ca9295a357c5231773f645078ce
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SSDEEP
1536:+afsUrDdlnvTbabOyTnaGEvr1CQQ5+ZZCNHsoI0Ls1j0H7XgzOoASDSdRYP:+kndln2FTaLRJc+v0qos4H7Xgfh
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" e57d486.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" e57d486.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" e57d486.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" e57d486.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" e57d486.exe -
Executes dropped EXE 2 IoCs
pid Process 1600 e57d486.exe 3824 e58056a.exe -
resource yara_rule behavioral2/memory/1600-6-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-8-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-9-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-10-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-11-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-13-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-19-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-24-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-26-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-28-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-29-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-30-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-31-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-32-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-33-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-34-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-48-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-49-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-50-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-53-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-54-0x0000000000780000-0x000000000183A000-memory.dmp upx behavioral2/memory/1600-61-0x0000000000780000-0x000000000183A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" e57d486.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" e57d486.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" e57d486.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" e57d486.exe -
Enumerates connected drives 3 TTPs 6 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: e57d486.exe File opened (read-only) \??\I: e57d486.exe File opened (read-only) \??\J: e57d486.exe File opened (read-only) \??\K: e57d486.exe File opened (read-only) \??\L: e57d486.exe File opened (read-only) \??\G: e57d486.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI e57d486.exe File created C:\Windows\e57d5fd e57d486.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1600 e57d486.exe 1600 e57d486.exe 1600 e57d486.exe 1600 e57d486.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe Token: SeDebugPrivilege 1600 e57d486.exe -
Suspicious use of WriteProcessMemory 51 IoCs
description pid Process procid_target PID 4124 wrote to memory of 880 4124 rundll32.exe 86 PID 4124 wrote to memory of 880 4124 rundll32.exe 86 PID 4124 wrote to memory of 880 4124 rundll32.exe 86 PID 880 wrote to memory of 1600 880 rundll32.exe 87 PID 880 wrote to memory of 1600 880 rundll32.exe 87 PID 880 wrote to memory of 1600 880 rundll32.exe 87 PID 1600 wrote to memory of 800 1600 e57d486.exe 7 PID 1600 wrote to memory of 808 1600 e57d486.exe 9 PID 1600 wrote to memory of 60 1600 e57d486.exe 13 PID 1600 wrote to memory of 2392 1600 e57d486.exe 61 PID 1600 wrote to memory of 2436 1600 e57d486.exe 60 PID 1600 wrote to memory of 2508 1600 e57d486.exe 59 PID 1600 wrote to memory of 3304 1600 e57d486.exe 46 PID 1600 wrote to memory of 3540 1600 e57d486.exe 45 PID 1600 wrote to memory of 3704 1600 e57d486.exe 44 PID 1600 wrote to memory of 3792 1600 e57d486.exe 43 PID 1600 wrote to memory of 3904 1600 e57d486.exe 17 PID 1600 wrote to memory of 3992 1600 e57d486.exe 42 PID 1600 wrote to memory of 1996 1600 e57d486.exe 41 PID 1600 wrote to memory of 2192 1600 e57d486.exe 39 PID 1600 wrote to memory of 1184 1600 e57d486.exe 29 PID 1600 wrote to memory of 1480 1600 e57d486.exe 23 PID 1600 wrote to memory of 4004 1600 e57d486.exe 22 PID 1600 wrote to memory of 896 1600 e57d486.exe 21 PID 1600 wrote to memory of 4124 1600 e57d486.exe 30 PID 1600 wrote to memory of 880 1600 e57d486.exe 86 PID 1600 wrote to memory of 880 1600 e57d486.exe 86 PID 1600 wrote to memory of 800 1600 e57d486.exe 7 PID 1600 wrote to memory of 808 1600 e57d486.exe 9 PID 1600 wrote to memory of 60 1600 e57d486.exe 13 PID 1600 wrote to memory of 2392 1600 e57d486.exe 61 PID 1600 wrote to memory of 2436 1600 e57d486.exe 60 PID 1600 wrote to memory of 2508 1600 e57d486.exe 59 PID 1600 wrote to memory of 3304 1600 e57d486.exe 46 PID 1600 wrote to memory of 3540 1600 e57d486.exe 45 PID 1600 wrote to memory of 3704 1600 e57d486.exe 44 PID 1600 wrote to memory of 3792 1600 e57d486.exe 43 PID 1600 wrote to memory of 3904 1600 e57d486.exe 17 PID 1600 wrote to memory of 3992 1600 e57d486.exe 42 PID 1600 wrote to memory of 1996 1600 e57d486.exe 41 PID 1600 wrote to memory of 2192 1600 e57d486.exe 39 PID 1600 wrote to memory of 1184 1600 e57d486.exe 29 PID 1600 wrote to memory of 1480 1600 e57d486.exe 23 PID 1600 wrote to memory of 4004 1600 e57d486.exe 22 PID 1600 wrote to memory of 896 1600 e57d486.exe 21 PID 1600 wrote to memory of 4124 1600 e57d486.exe 30 PID 1600 wrote to memory of 880 1600 e57d486.exe 86 PID 880 wrote to memory of 3824 880 rundll32.exe 88 PID 880 wrote to memory of 3824 880 rundll32.exe 88 PID 880 wrote to memory of 3824 880 rundll32.exe 88 PID 1600 wrote to memory of 880 1600 e57d486.exe 86 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" e57d486.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:800
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:808
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:60
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3904
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:896
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵PID:4004
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca1⤵PID:1480
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵PID:1184
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.497c703002250e05da75df461c3abe10_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.497c703002250e05da75df461c3abe10_JC.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Users\Admin\AppData\Local\Temp\e57d486.exeC:\Users\Admin\AppData\Local\Temp\e57d486.exe3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1600
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C:\Users\Admin\AppData\Local\Temp\e58056a.exeC:\Users\Admin\AppData\Local\Temp\e58056a.exe3⤵
- Executes dropped EXE
PID:3824
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:2192
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:1996
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:3992
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3792
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3704
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3540
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3304
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2508
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2436
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2392
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
97KB
MD5880ca3866837d385c4cf916bbd6a9a71
SHA112d00b66c2722104d814f68d912c9efed6f0b1c2
SHA25658000b259c9a4d87938cb31a84c38391ee69c69c83f7bc23c64a5c86abd1ee7e
SHA51233af9ff516b9c7a2ef2b9eff4038a18d3264c5d7eb0cea80841147f13eb5fede50b9630c95859b4d90bb71724840a00f0a6d7d0e2f023e17ec42b9c68d7587dd
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Filesize
97KB
MD5880ca3866837d385c4cf916bbd6a9a71
SHA112d00b66c2722104d814f68d912c9efed6f0b1c2
SHA25658000b259c9a4d87938cb31a84c38391ee69c69c83f7bc23c64a5c86abd1ee7e
SHA51233af9ff516b9c7a2ef2b9eff4038a18d3264c5d7eb0cea80841147f13eb5fede50b9630c95859b4d90bb71724840a00f0a6d7d0e2f023e17ec42b9c68d7587dd
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Filesize
97KB
MD5880ca3866837d385c4cf916bbd6a9a71
SHA112d00b66c2722104d814f68d912c9efed6f0b1c2
SHA25658000b259c9a4d87938cb31a84c38391ee69c69c83f7bc23c64a5c86abd1ee7e
SHA51233af9ff516b9c7a2ef2b9eff4038a18d3264c5d7eb0cea80841147f13eb5fede50b9630c95859b4d90bb71724840a00f0a6d7d0e2f023e17ec42b9c68d7587dd
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Filesize
97KB
MD5880ca3866837d385c4cf916bbd6a9a71
SHA112d00b66c2722104d814f68d912c9efed6f0b1c2
SHA25658000b259c9a4d87938cb31a84c38391ee69c69c83f7bc23c64a5c86abd1ee7e
SHA51233af9ff516b9c7a2ef2b9eff4038a18d3264c5d7eb0cea80841147f13eb5fede50b9630c95859b4d90bb71724840a00f0a6d7d0e2f023e17ec42b9c68d7587dd