Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19-02-2024 21:29
Behavioral task
behavioral1
Sample
2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe
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Size
146KB
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MD5
33c2a1189c2d5716f3e89f9ab0179675
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SHA1
832cbb42ca2d3d772f5fc6836f98bb5b0059ee3b
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SHA256
f01909eee3dec5474a5a845deea3f8fb5502ac006f65060a7e945f91c966e266
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SHA512
530777cd0805f84b7831b193e8adec637877332b1ecf7005efc960e3fb2f5432b33c44ba758f853f364702e64d781330896fb6fc878314c0de926e547dc18d69
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SSDEEP
3072:9FqJogYkcSNm9V7DdOgrDx34Uuv5hQrfT:9Fq2kc4m9tDsIDx31d
Malware Config
Extracted
C:\7fpKwvu5x.README.txt
https://t.me/bit_decryptor
Signatures
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Renames multiple (582) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
C796.tmpdescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation C796.tmp -
Deletes itself 1 IoCs
Processes:
C796.tmppid Process 4040 C796.tmp -
Executes dropped EXE 1 IoCs
Processes:
C796.tmppid Process 4040 C796.tmp -
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
Processes:
2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exedescription ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-983843758-932321429-1636175382-1000\desktop.ini 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-983843758-932321429-1636175382-1000\desktop.ini 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
C796.tmppid Process 4040 C796.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exepid Process 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe -
Suspicious behavior: RenamesItself 26 IoCs
Processes:
C796.tmppid Process 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp 4040 C796.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exedescription pid Process Token: SeAssignPrimaryTokenPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeDebugPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: 36 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeImpersonatePrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeIncBasePriorityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeIncreaseQuotaPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: 33 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeManageVolumePrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeProfSingleProcessPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeRestorePrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSystemProfilePrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeTakeOwnershipPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeShutdownPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeDebugPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeBackupPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe Token: SeSecurityPrivilege 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exeC796.tmpdescription pid Process procid_target PID 3512 wrote to memory of 4040 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 90 PID 3512 wrote to memory of 4040 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 90 PID 3512 wrote to memory of 4040 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 90 PID 3512 wrote to memory of 4040 3512 2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe 90 PID 4040 wrote to memory of 4788 4040 C796.tmp 91 PID 4040 wrote to memory of 4788 4040 C796.tmp 91 PID 4040 wrote to memory of 4788 4040 C796.tmp 91
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-19_33c2a1189c2d5716f3e89f9ab0179675_darkside.exe"1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\ProgramData\C796.tmp"C:\ProgramData\C796.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C796.tmp >> NUL3⤵PID:4788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD528f48e9bc1370204235f21fa0d397951
SHA15ae62015893f71e5bd5a6b9225ef06a1a4b81908
SHA256294af59fd946c2367f21b4f0747ef4bd964df256236054697276ea0cea601cf5
SHA51222442aebac854c19a63fe654690b769a67e9a742a7f6bcbd781efa2cb7a689778920e705410508bb905c5c154d385a827edc1dd6a6e93de18ae514cdee47d86c
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Filesize
659B
MD55591feeb6b8425ab4538af7a9c9b2dcc
SHA11abc5bb79730ddea096e48b10f9a491515bb7012
SHA25611818078762c50ebf5b9f9f2113aadd3295cb0525aaa600a8f3326eab0682cec
SHA51241dfb2440a53dde34c4171de019b9bca1e9583f47e4acb551eb6c72140e8b428918207e6fabeb68c35e085218a07a8515931890eae16847fb48b2894a69d6506
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD55e9e83f64eec8551dd41b794a84d137d
SHA1bc5171281668dc62bd832c29b420298add9bb6a5
SHA25654df08cab5240d8a55cd8287a56419c4023c8492b75ddbab1b580ea0377d2d56
SHA512afd73905108cbbbb7b08df1778139d85b533b570afff75404f194744f5dd8fd33daf6e6fa6c12a956a4116478b1ba8354fa019e501eb03252658c5ce1cc84da6
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Filesize
129B
MD5f8661091e0ecc47c7e3f384be0043c03
SHA1da62058291f4a5fb7ebf4311e3b08639664d54ba
SHA2564c541b2e1e2757b875627fd801db9dd3ba3eec40542e558dc7efa9f57a5c895f
SHA51254bfa49e0741c95eafc617d9bfb3e457057489e9214aee657947eebdc870e589c8682e4faf718c564bea0a6e52104d11fbe75af8ce6345bdf2e65b605185d834