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Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
04/08/2024, 01:56
Behavioral task
behavioral1
Sample
d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe
Resource
win10v2004-20240802-en
General
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Target
d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe
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Size
147KB
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MD5
1973ccbab82020881d531ccd1f2ca48e
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SHA1
7e18f712e26ea32b0e8aeb4cd3c958eb8d32dfed
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SHA256
d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847
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SHA512
67654e67afe6a3e1ddf335dff4b976e254c45d8046853607cb4e98af6cd43accee8f2e35e296b932385bc9a6b7fed96ee4be6e113457eb5eb057bd8301f476f6
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SSDEEP
1536:PzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD8UhzyIccE+72p2Kbm+0ep3PeAM:wqJogYkcSNm9V7D8URMcS0ep3BcTT
Malware Config
Extracted
C:\xcEElHqGu.README.txt
lockbit
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Renames multiple (352) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
pid Process 900 80F3.tmp -
Executes dropped EXE 1 IoCs
pid Process 900 80F3.tmp -
Loads dropped DLL 1 IoCs
pid Process 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe -
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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Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-3294248377-1418901787-4083263181-1000\desktop.ini d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3294248377-1418901787-4083263181-1000\desktop.ini d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\xcEElHqGu.bmp" d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\xcEElHqGu.bmp" d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 900 80F3.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 80F3.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Control Panel\Desktop d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Control Panel\Desktop\WallpaperStyle = "10" d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu\DefaultIcon d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu\DefaultIcon\ = "C:\\ProgramData\\xcEElHqGu.ico" d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.xcEElHqGu d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.xcEElHqGu\ = "xcEElHqGu" d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp 900 80F3.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeDebugPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: 36 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeImpersonatePrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeIncBasePriorityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeIncreaseQuotaPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: 33 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeManageVolumePrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeProfSingleProcessPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeRestorePrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSystemProfilePrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeTakeOwnershipPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeShutdownPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeDebugPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeBackupPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe Token: SeSecurityPrivilege 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2752 wrote to memory of 900 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 32 PID 2752 wrote to memory of 900 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 32 PID 2752 wrote to memory of 900 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 32 PID 2752 wrote to memory of 900 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 32 PID 2752 wrote to memory of 900 2752 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe 32 PID 900 wrote to memory of 612 900 80F3.tmp 33 PID 900 wrote to memory of 612 900 80F3.tmp 33 PID 900 wrote to memory of 612 900 80F3.tmp 33 PID 900 wrote to memory of 612 900 80F3.tmp 33
Processes
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C:\Users\Admin\AppData\Local\Temp\d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe"C:\Users\Admin\AppData\Local\Temp\d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\ProgramData\80F3.tmp"C:\ProgramData\80F3.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\80F3.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:612
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1481⤵PID:2016
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD5a3c3e0d575dd5092cced1e5f91b3bcc2
SHA1ad0b317cfff9aa75adbf95569f1dff475fd8a38e
SHA256bf637fc1a89d89bfd61b345b39a9d9bc730d742ff2c2c9f270dbb0938c943ddf
SHA512a8b97d273cee93075f781a6ff740ddbe7ab640eb0ba6188ff68fcc48371498223378b531e33f0b825eb9feebc590f8c367b83ddfc03b69d488c94203381aedb3
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C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
Filesize147KB
MD589848232ef360e15ad2f58ba740dd778
SHA1dafb6b1a66cba7c1d32edabcd70750fb7b83619a
SHA25696dcb627f50551d579cc12fa57d60060ef716168ae0f41af3057b195b23fa69f
SHA512ed24f41c7da0d649687b6d523bdaa79e6ee09b1564c3601fcf8680432365f9452ac4e23853c390287caf4b7b887cd14e052d8cb588e21fbb8375c0bce8feec60
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Filesize
1KB
MD57fd2336a4cae4c2f51bb0860a6748860
SHA169ef22fd3afb86945d371d4be0fe9c507880dd1b
SHA256413dd9df6327c861bd0ba99a1e99b2b00b75961230d8b499c993419da1ecca29
SHA5128791bd4195522517edd5a05cec17473fb01bd9865d4f4ea9966ee105fc0dc9d720c56c84af278d3bb5b31915aba678b7786e086f4890ea138f2ff47f0288c523
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Filesize
129B
MD532cfe84eba11bbded5b262a2efe63573
SHA1cc9677d722ff950a10d37396f715107ce25ad01e
SHA25654bf974e82917c367d397f18683ce2f8e271599ac6c3dd7302c57f1a59317544
SHA512e8b577d286d7a2654238e982a9eef5987d32dd811ffa921a5aa6a3ddfec4703d4f1204d9b8790afec684f597020708e1e4e50df21b4f55f5a769a78a8ded4355
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf