Analysis
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max time kernel
80s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2023 13:55
Static task
static1
Behavioral task
behavioral1
Sample
docjos20230925.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docjos20230925.exe
Resource
win10v2004-20230915-en
General
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Target
docjos20230925.exe
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Size
1.2MB
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MD5
f686e6edd1cfdaf9e636d2e38f481a4c
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SHA1
27c8dfdcc3635c5a2ce78fb5799b9e6a904cbb88
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SHA256
f9d4a03b124e4e3f81270b666d996db400b89bc1b7ce64914e8295685794dea9
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SHA512
d79597927b92c47d89f7ecfb0dcb56ac90c960a328ff0907af7d2625a7f406c40e85a41c0428ccba0a9bec8e258d27d308660308327178a9b7c2cdbe523a7ae1
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SSDEEP
24576:EZ9L+UmOVerUV8NmnedPvQMI127uvjbim1ujUO4EVzY:EZpsAVnedPs1ZuIND
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
Processes:
resource yara_rule behavioral2/memory/4464-7-0x0000000000400000-0x0000000000452000-memory.dmp family_snakekeylogger C:\Users\Admin\AppData\Roaming\excell.exe family_snakekeylogger behavioral2/memory/4168-50-0x0000000000C60000-0x0000000000C86000-memory.dmp family_snakekeylogger C:\Users\Admin\AppData\Roaming\excell.exe family_snakekeylogger C:\Users\Admin\AppData\Roaming\excell.exe family_snakekeylogger behavioral2/memory/4900-74-0x0000000005950000-0x0000000005960000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
docjos20230925.exedocjos20230925.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation docjos20230925.exe Key value queried \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation docjos20230925.exe -
Executes dropped EXE 5 IoCs
Processes:
wordd.exesvchost.exeexcell.exesvchost.exeavast.exepid process 4900 wordd.exe 1884 svchost.exe 4168 excell.exe 4636 svchost.exe 2488 avast.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
wordd.exeexcell.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wordd.exe Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 excell.exe Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 excell.exe Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 excell.exe Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wordd.exe Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wordd.exe -
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 61 api.ipify.org 58 checkip.dyndns.org 60 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
docjos20230925.exesvchost.exedescription pid process target process PID 608 set thread context of 4464 608 docjos20230925.exe docjos20230925.exe PID 1884 set thread context of 4636 1884 svchost.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3976 schtasks.exe 1528 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
excell.exewordd.exepid process 4168 excell.exe 4168 excell.exe 4900 wordd.exe 4900 wordd.exe 4168 excell.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
svchost.exepid process 4636 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
wordd.exeexcell.exedescription pid process Token: SeDebugPrivilege 4900 wordd.exe Token: SeDebugPrivilege 4168 excell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
wordd.exeexcell.exepid process 4900 wordd.exe 4168 excell.exe -
Suspicious use of WriteProcessMemory 49 IoCs
Processes:
docjos20230925.exedocjos20230925.execmd.exesvchost.execmd.exedescription pid process target process PID 608 wrote to memory of 4464 608 docjos20230925.exe docjos20230925.exe PID 608 wrote to memory of 4464 608 docjos20230925.exe docjos20230925.exe PID 608 wrote to memory of 4464 608 docjos20230925.exe docjos20230925.exe PID 608 wrote to memory of 4464 608 docjos20230925.exe docjos20230925.exe PID 608 wrote to memory of 4464 608 docjos20230925.exe docjos20230925.exe PID 608 wrote to memory of 4464 608 docjos20230925.exe docjos20230925.exe PID 608 wrote to memory of 4464 608 docjos20230925.exe docjos20230925.exe PID 608 wrote to memory of 4464 608 docjos20230925.exe docjos20230925.exe PID 4464 wrote to memory of 4900 4464 docjos20230925.exe wordd.exe PID 4464 wrote to memory of 4900 4464 docjos20230925.exe wordd.exe PID 4464 wrote to memory of 4900 4464 docjos20230925.exe wordd.exe PID 608 wrote to memory of 1884 608 docjos20230925.exe svchost.exe PID 608 wrote to memory of 1884 608 docjos20230925.exe svchost.exe PID 608 wrote to memory of 1884 608 docjos20230925.exe svchost.exe PID 608 wrote to memory of 2320 608 docjos20230925.exe cmd.exe PID 608 wrote to memory of 2320 608 docjos20230925.exe cmd.exe PID 608 wrote to memory of 2320 608 docjos20230925.exe cmd.exe PID 608 wrote to memory of 1964 608 docjos20230925.exe cmd.exe PID 608 wrote to memory of 1964 608 docjos20230925.exe cmd.exe PID 608 wrote to memory of 1964 608 docjos20230925.exe cmd.exe PID 608 wrote to memory of 4148 608 docjos20230925.exe cmd.exe PID 608 wrote to memory of 4148 608 docjos20230925.exe cmd.exe PID 608 wrote to memory of 4148 608 docjos20230925.exe cmd.exe PID 4464 wrote to memory of 4168 4464 docjos20230925.exe excell.exe PID 4464 wrote to memory of 4168 4464 docjos20230925.exe excell.exe PID 4464 wrote to memory of 4168 4464 docjos20230925.exe excell.exe PID 1964 wrote to memory of 3976 1964 cmd.exe schtasks.exe PID 1964 wrote to memory of 3976 1964 cmd.exe schtasks.exe PID 1964 wrote to memory of 3976 1964 cmd.exe schtasks.exe PID 1884 wrote to memory of 4636 1884 svchost.exe svchost.exe PID 1884 wrote to memory of 4636 1884 svchost.exe svchost.exe PID 1884 wrote to memory of 4636 1884 svchost.exe svchost.exe PID 1884 wrote to memory of 4636 1884 svchost.exe svchost.exe PID 1884 wrote to memory of 4636 1884 svchost.exe svchost.exe PID 1884 wrote to memory of 4636 1884 svchost.exe svchost.exe PID 1884 wrote to memory of 4636 1884 svchost.exe svchost.exe PID 1884 wrote to memory of 4636 1884 svchost.exe svchost.exe PID 1884 wrote to memory of 4844 1884 svchost.exe cmd.exe PID 1884 wrote to memory of 4844 1884 svchost.exe cmd.exe PID 1884 wrote to memory of 4844 1884 svchost.exe cmd.exe PID 1884 wrote to memory of 1428 1884 svchost.exe cmd.exe PID 1884 wrote to memory of 1428 1884 svchost.exe cmd.exe PID 1884 wrote to memory of 1428 1884 svchost.exe cmd.exe PID 1884 wrote to memory of 4880 1884 svchost.exe cmd.exe PID 1884 wrote to memory of 4880 1884 svchost.exe cmd.exe PID 1884 wrote to memory of 4880 1884 svchost.exe cmd.exe PID 1428 wrote to memory of 1528 1428 cmd.exe schtasks.exe PID 1428 wrote to memory of 1528 1428 cmd.exe schtasks.exe PID 1428 wrote to memory of 1528 1428 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
excell.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 excell.exe -
outlook_win_path 1 IoCs
Processes:
excell.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 excell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe"C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:608 -
C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe"C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Users\Admin\AppData\Roaming\wordd.exe"C:\Users\Admin\AppData\Roaming\wordd.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4900 -
C:\Users\Admin\AppData\Roaming\excell.exe"C:\Users\Admin\AppData\Roaming\excell.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4168 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:4636 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"3⤵PID:4880
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f3⤵
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f4⤵
- Creates scheduled task(s)
PID:1528 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:4844
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:2320
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:4148
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵
- Creates scheduled task(s)
PID:3976
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C:\Users\Admin\AppData\Roaming\avast\avast.exeC:\Users\Admin\AppData\Roaming\avast\avast.exe1⤵
- Executes dropped EXE
PID:2488
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
520B
MD503febbff58da1d3318c31657d89c8542
SHA1c9e017bd9d0a4fe533795b227c855935d86c2092
SHA2565164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4
SHA5123750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3
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Filesize
520B
MD503febbff58da1d3318c31657d89c8542
SHA1c9e017bd9d0a4fe533795b227c855935d86c2092
SHA2565164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4
SHA5123750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
438KB
MD5ac74b39bd4fe3d915dcc1c999d73dd92
SHA107a645c4c816d69b7625f035eaf6d96bd61c343f
SHA2566766f7bf685006ad0281300920078f27fcfb6104819996decee6519f37ccd1b8
SHA512e6f3ece346f85a9dfcbdda69764cb11eda752a71bbd8116d9d974cb081970ccf616760d2910271b01413f3eccb8a548522f13db0e1015ba30d13c68198f0c484
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Filesize
64KB
MD5cd7dfd694ff3878631b92f3ba6b86f5e
SHA174a5619b37da3010acaf4c3c1105cccb7a140bc4
SHA256aa123e766dff13fdec99b335295b523047d4efd3d23552ab583b90b86d95e957
SHA5129f9583e5e70cc502129878d36cc2239f0d283ebdd38646ae6e7f81fe596d7a119ee1be80f3709c04305fd2caf5cd9d373e9c2ea1d92cde6ebd6ac170cd7f8a70
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Filesize
126KB
MD56da1de019796e8e63db98351f6cad74e
SHA1da7a3211c4708c984a6423a62189730db6298060
SHA256ff7743025a4f740a7fd346353fd5cb1fee055b20170eb11bb20b9cd88c1c5917
SHA512199e0470b7233ea4835226a6d8bb4b7941ad276c8cbb73cff1bce287ffde9e06bdea1c96fb2069b2ca8b6448eb585e3a23054f88b8bb9fd37a4a776136526b18
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Filesize
126KB
MD56da1de019796e8e63db98351f6cad74e
SHA1da7a3211c4708c984a6423a62189730db6298060
SHA256ff7743025a4f740a7fd346353fd5cb1fee055b20170eb11bb20b9cd88c1c5917
SHA512199e0470b7233ea4835226a6d8bb4b7941ad276c8cbb73cff1bce287ffde9e06bdea1c96fb2069b2ca8b6448eb585e3a23054f88b8bb9fd37a4a776136526b18
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Filesize
126KB
MD56da1de019796e8e63db98351f6cad74e
SHA1da7a3211c4708c984a6423a62189730db6298060
SHA256ff7743025a4f740a7fd346353fd5cb1fee055b20170eb11bb20b9cd88c1c5917
SHA512199e0470b7233ea4835226a6d8bb4b7941ad276c8cbb73cff1bce287ffde9e06bdea1c96fb2069b2ca8b6448eb585e3a23054f88b8bb9fd37a4a776136526b18
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Filesize
167KB
MD52aa26daddfd752cc335168e0e0d88036
SHA1e3feb57975b9fe10b0e9eaa65f729fdcd288aea4
SHA256629e12a34d1bc3958117a33d5534f01f4d7dd02da1fa7860a69b214bbcb1f68d
SHA5120634425cbf65d3da7942f298ce12846e0d0aea15a804479b59fddc9fed629f0224fd77b097bff3b3ad85e14d56572c330c5753296c073cdc27e46c183b95ebf4
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Filesize
167KB
MD52aa26daddfd752cc335168e0e0d88036
SHA1e3feb57975b9fe10b0e9eaa65f729fdcd288aea4
SHA256629e12a34d1bc3958117a33d5534f01f4d7dd02da1fa7860a69b214bbcb1f68d
SHA5120634425cbf65d3da7942f298ce12846e0d0aea15a804479b59fddc9fed629f0224fd77b097bff3b3ad85e14d56572c330c5753296c073cdc27e46c183b95ebf4
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Filesize
167KB
MD52aa26daddfd752cc335168e0e0d88036
SHA1e3feb57975b9fe10b0e9eaa65f729fdcd288aea4
SHA256629e12a34d1bc3958117a33d5534f01f4d7dd02da1fa7860a69b214bbcb1f68d
SHA5120634425cbf65d3da7942f298ce12846e0d0aea15a804479b59fddc9fed629f0224fd77b097bff3b3ad85e14d56572c330c5753296c073cdc27e46c183b95ebf4