Analysis
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max time kernel
81s -
max time network
143s -
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 13:52
Static task
static1
Behavioral task
behavioral1
Sample
docrw20230925.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docrw20230925.exe
Resource
win10v2004-20230915-en
General
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Target
docrw20230925.exe
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Size
1.3MB
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MD5
be1b63ef6abc588245cdf4f346b26154
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SHA1
f67ee49fa9fb286bcd47e0b3dfcf758c320b7694
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SHA256
323f7a2c28d21f7098817977c3854be91f379cb2791fbc5504d6c3342fb163ac
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SHA512
b1dd770c40256f7013b1fd96b348d29720730cbce0366ac6445bf95e5924f6588ae65e7ab84e9100068d2886912fc7126240b41a8c42441a2dc0ab9fa1fb493b
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SSDEEP
24576:DJaKfqD927EyXdyIA+T/QOb5zKPd+fDFBS8tzFr6iOhhRwQ35rmrfYYWThRhT:DJKk7EytyTiYuBnOhB3yYd1zT
Malware Config
Extracted
Protocol: ftp- Host:
ftp.royalcheckout.store - Port:
21 - Username:
[email protected] - Password:
575K5(MaZro2575K5(MaZro2
Extracted
Protocol: smtp- Host:
mail.royalcheckout.store - Port:
587 - Username:
[email protected] - Password:
575K5(MaZro2575K5(Ma
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 5 IoCs
Processes:
resource yara_rule behavioral2/memory/8-7-0x0000000000400000-0x0000000000466000-memory.dmp family_snakekeylogger C:\Users\Admin\AppData\Roaming\rw22s.exe family_snakekeylogger behavioral2/memory/1680-51-0x0000000000930000-0x0000000000956000-memory.dmp family_snakekeylogger C:\Users\Admin\AppData\Roaming\rw22s.exe family_snakekeylogger C:\Users\Admin\AppData\Roaming\rw22s.exe family_snakekeylogger -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
docrw20230925.exedocrw20230925.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation docrw20230925.exe Key value queried \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation docrw20230925.exe -
Executes dropped EXE 5 IoCs
Processes:
rw22.exesvchost.exerw22s.exesvchost.exesvchost.exepid process 3584 rw22.exe 3000 svchost.exe 1680 rw22s.exe 464 svchost.exe 2200 svchost.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:
rw22s.exerw22.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rw22s.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rw22s.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rw22.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rw22.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rw22.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rw22s.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 70 checkip.dyndns.org 74 api.ipify.org 75 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
docrw20230925.exesvchost.exedescription pid process target process PID 2228 set thread context of 8 2228 docrw20230925.exe docrw20230925.exe PID 3000 set thread context of 2200 3000 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 944 schtasks.exe 2564 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
rw22.exerw22s.exepid process 3584 rw22.exe 3584 rw22.exe 3584 rw22.exe 1680 rw22s.exe 1680 rw22s.exe 1680 rw22s.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
svchost.exepid process 2200 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rw22.exerw22s.exedescription pid process Token: SeDebugPrivilege 3584 rw22.exe Token: SeDebugPrivilege 1680 rw22s.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
rw22.exerw22s.exepid process 3584 rw22.exe 1680 rw22s.exe -
Suspicious use of WriteProcessMemory 49 IoCs
Processes:
docrw20230925.exedocrw20230925.execmd.exesvchost.execmd.exedescription pid process target process PID 2228 wrote to memory of 8 2228 docrw20230925.exe docrw20230925.exe PID 2228 wrote to memory of 8 2228 docrw20230925.exe docrw20230925.exe PID 2228 wrote to memory of 8 2228 docrw20230925.exe docrw20230925.exe PID 2228 wrote to memory of 8 2228 docrw20230925.exe docrw20230925.exe PID 2228 wrote to memory of 8 2228 docrw20230925.exe docrw20230925.exe PID 2228 wrote to memory of 8 2228 docrw20230925.exe docrw20230925.exe PID 2228 wrote to memory of 8 2228 docrw20230925.exe docrw20230925.exe PID 2228 wrote to memory of 8 2228 docrw20230925.exe docrw20230925.exe PID 8 wrote to memory of 3584 8 docrw20230925.exe rw22.exe PID 8 wrote to memory of 3584 8 docrw20230925.exe rw22.exe PID 8 wrote to memory of 3584 8 docrw20230925.exe rw22.exe PID 2228 wrote to memory of 3000 2228 docrw20230925.exe svchost.exe PID 2228 wrote to memory of 3000 2228 docrw20230925.exe svchost.exe PID 2228 wrote to memory of 3000 2228 docrw20230925.exe svchost.exe PID 8 wrote to memory of 1680 8 docrw20230925.exe rw22s.exe PID 8 wrote to memory of 1680 8 docrw20230925.exe rw22s.exe PID 8 wrote to memory of 1680 8 docrw20230925.exe rw22s.exe PID 2228 wrote to memory of 5076 2228 docrw20230925.exe cmd.exe PID 2228 wrote to memory of 5076 2228 docrw20230925.exe cmd.exe PID 2228 wrote to memory of 5076 2228 docrw20230925.exe cmd.exe PID 2228 wrote to memory of 3708 2228 docrw20230925.exe cmd.exe PID 2228 wrote to memory of 3708 2228 docrw20230925.exe cmd.exe PID 2228 wrote to memory of 3708 2228 docrw20230925.exe cmd.exe PID 2228 wrote to memory of 4272 2228 docrw20230925.exe cmd.exe PID 2228 wrote to memory of 4272 2228 docrw20230925.exe cmd.exe PID 2228 wrote to memory of 4272 2228 docrw20230925.exe cmd.exe PID 3708 wrote to memory of 944 3708 cmd.exe schtasks.exe PID 3708 wrote to memory of 944 3708 cmd.exe schtasks.exe PID 3708 wrote to memory of 944 3708 cmd.exe schtasks.exe PID 3000 wrote to memory of 2200 3000 svchost.exe svchost.exe PID 3000 wrote to memory of 2200 3000 svchost.exe svchost.exe PID 3000 wrote to memory of 2200 3000 svchost.exe svchost.exe PID 3000 wrote to memory of 2200 3000 svchost.exe svchost.exe PID 3000 wrote to memory of 2200 3000 svchost.exe svchost.exe PID 3000 wrote to memory of 2200 3000 svchost.exe svchost.exe PID 3000 wrote to memory of 2200 3000 svchost.exe svchost.exe PID 3000 wrote to memory of 2200 3000 svchost.exe svchost.exe PID 3000 wrote to memory of 2240 3000 svchost.exe cmd.exe PID 3000 wrote to memory of 2240 3000 svchost.exe cmd.exe PID 3000 wrote to memory of 2240 3000 svchost.exe cmd.exe PID 3000 wrote to memory of 3904 3000 svchost.exe cmd.exe PID 3000 wrote to memory of 3904 3000 svchost.exe cmd.exe PID 3000 wrote to memory of 3904 3000 svchost.exe cmd.exe PID 3000 wrote to memory of 4108 3000 svchost.exe cmd.exe PID 3000 wrote to memory of 4108 3000 svchost.exe cmd.exe PID 3000 wrote to memory of 4108 3000 svchost.exe cmd.exe PID 3904 wrote to memory of 2564 3904 cmd.exe schtasks.exe PID 3904 wrote to memory of 2564 3904 cmd.exe schtasks.exe PID 3904 wrote to memory of 2564 3904 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
rw22.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rw22.exe -
outlook_win_path 1 IoCs
Processes:
rw22.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rw22.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe"C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe"C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Users\Admin\AppData\Roaming\rw22.exe"C:\Users\Admin\AppData\Roaming\rw22.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:3584 -
C:\Users\Admin\AppData\Roaming\rw22s.exe"C:\Users\Admin\AppData\Roaming\rw22s.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1680 -
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:3000 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:2200 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:2240
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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:3904 -
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:2564 -
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:4108
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:4272
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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:3708 -
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:944 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:5076
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C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe1⤵
- Executes dropped EXE
PID:464 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:5012
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:3404
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
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
247KB
MD5affedd10250198f0781ed03c7436dd73
SHA17f288722f40f1a922d52806c3a2c1be38976af42
SHA256ee59a241d7250c8bb85adab597bbfdac65fdc06ce8ab8906a0f539f15f2c6a4d
SHA5123301e43af58b92bc4aefe9ef52cc3f84781402a61dc4522d958447249eeec925f74523ce3106faf95f47b85bb610a0aa89a6837bc1633eec9e59b7324144b8c8
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Filesize
247KB
MD5affedd10250198f0781ed03c7436dd73
SHA17f288722f40f1a922d52806c3a2c1be38976af42
SHA256ee59a241d7250c8bb85adab597bbfdac65fdc06ce8ab8906a0f539f15f2c6a4d
SHA5123301e43af58b92bc4aefe9ef52cc3f84781402a61dc4522d958447249eeec925f74523ce3106faf95f47b85bb610a0aa89a6837bc1633eec9e59b7324144b8c8
-
Filesize
247KB
MD5affedd10250198f0781ed03c7436dd73
SHA17f288722f40f1a922d52806c3a2c1be38976af42
SHA256ee59a241d7250c8bb85adab597bbfdac65fdc06ce8ab8906a0f539f15f2c6a4d
SHA5123301e43af58b92bc4aefe9ef52cc3f84781402a61dc4522d958447249eeec925f74523ce3106faf95f47b85bb610a0aa89a6837bc1633eec9e59b7324144b8c8
-
Filesize
126KB
MD5bb2040e262a906cdd553a14bfdf69c83
SHA18be60fa020cea2dd37ae876e9e6e0b571e04fd50
SHA256b82e41ff47a84abf4995b74382c70bbe8190f19173a4f8d6006f8cb952f68c97
SHA5122b91adc5c134d4e32e3a95bacda1da59c1aaea05842e02c4bd9526c5cc1193094bca657423a8b926108021f2aa03e321379c39280bf80633b15788f722e3d5eb
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Filesize
126KB
MD5bb2040e262a906cdd553a14bfdf69c83
SHA18be60fa020cea2dd37ae876e9e6e0b571e04fd50
SHA256b82e41ff47a84abf4995b74382c70bbe8190f19173a4f8d6006f8cb952f68c97
SHA5122b91adc5c134d4e32e3a95bacda1da59c1aaea05842e02c4bd9526c5cc1193094bca657423a8b926108021f2aa03e321379c39280bf80633b15788f722e3d5eb
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Filesize
126KB
MD5bb2040e262a906cdd553a14bfdf69c83
SHA18be60fa020cea2dd37ae876e9e6e0b571e04fd50
SHA256b82e41ff47a84abf4995b74382c70bbe8190f19173a4f8d6006f8cb952f68c97
SHA5122b91adc5c134d4e32e3a95bacda1da59c1aaea05842e02c4bd9526c5cc1193094bca657423a8b926108021f2aa03e321379c39280bf80633b15788f722e3d5eb
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Filesize
1.3MB
MD5be1b63ef6abc588245cdf4f346b26154
SHA1f67ee49fa9fb286bcd47e0b3dfcf758c320b7694
SHA256323f7a2c28d21f7098817977c3854be91f379cb2791fbc5504d6c3342fb163ac
SHA512b1dd770c40256f7013b1fd96b348d29720730cbce0366ac6445bf95e5924f6588ae65e7ab84e9100068d2886912fc7126240b41a8c42441a2dc0ab9fa1fb493b
-
Filesize
1.3MB
MD5be1b63ef6abc588245cdf4f346b26154
SHA1f67ee49fa9fb286bcd47e0b3dfcf758c320b7694
SHA256323f7a2c28d21f7098817977c3854be91f379cb2791fbc5504d6c3342fb163ac
SHA512b1dd770c40256f7013b1fd96b348d29720730cbce0366ac6445bf95e5924f6588ae65e7ab84e9100068d2886912fc7126240b41a8c42441a2dc0ab9fa1fb493b
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Filesize
375KB
MD5b81170aec3cb33cec4df6be9429d7e38
SHA14f193f9daf2e5cfca5a4833a61e4a33c6d83adfe
SHA2563a0e45295f2fd745c3dfac857f28e2e4caa87412ea991ef98f34e81986a2bee8
SHA512eb1585d013a1b472ef7096cc738c1a474bfd3d1da32c1169fac340c493618fed791a77526bf4f3140f4524de03145f79a3bf3739221108c0386450168b2a616e