Analysis
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max time kernel
114s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20250207-en -
resource tags
arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system -
submitted
12/02/2025, 06:08
Behavioral task
behavioral1
Sample
a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
Resource
win10v2004-20250207-en
General
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Target
a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
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Size
1.7MB
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MD5
68635ad9d12f683071611bfd34c1ec34
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SHA1
3d59b3053f9f531197a47a6a936240cb81a700d9
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SHA256
a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9
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SHA512
811764a687edc700883ae31503bedb299702ee6281ae57bc0885f9fd60f80d0f572f545bb060dcd610f904167665ee2a520dbdd77e4f4fd953250b1fcf48cf96
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SSDEEP
24576:GGA0AhSVzjJqVR/xmx0AsQ5r2jOGJTS8KmlI+u+68+05vNR:JAhuzc3DXJTS8KmVzecH
Malware Config
Signatures
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Detects Trigona ransomware 14 IoCs
resource yara_rule behavioral1/memory/2604-0-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-1-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-2-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-4-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-9-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-2232-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-2261-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-2287-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-2889-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-2965-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-11192-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-13098-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-13099-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2604-13562-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona -
Trigona
A ransomware first seen at the beginning of the 2022.
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Trigona family
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Drops startup file 1 IoCs
description ioc Process File created \??\c:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\BEADFFA4E91B51BAE87EF11F62DBD234 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe" a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe -
Drops desktop.ini file(s) 11 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Microsoft Games\Mahjong\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Microsoft Games\Purble Place\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-677481364-2238709445-1347953534-1000\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\$Recycle.Bin\S-1-5-21-677481364-2238709445-1347953534-1000\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Microsoft Games\FreeCell\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Microsoft Games\Hearts\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Microsoft Games\Chess\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Microsoft Games\Solitaire\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Matamoros a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Riyadh87 a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\css\blafdoc.css a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-javahelp_zh_CN.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-multitabs.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-explorer.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\plugins\access\libaccess_wasapi_plugin.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_de_DE.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.extensionlocation_1.2.100.v20131119-0908.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\locale\vi\LC_MESSAGES\vlc.mo a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Title_select-highlight.png a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Internet Explorer\F12Resources.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-heapwalker_zh_CN.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\plugins\access_output\libaccess_output_shout_plugin.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Common Files\Microsoft Shared\ink\ipssrl.xml a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\DVD Maker\Shared\DvdStyles\Circle_SelectionSubpictureB.png a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Fiji a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-execution.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-charts_ja.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\SelectRestore.temp a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\removed-files a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\he\LC_MESSAGES\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\prc\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationRight_ButtonGraphic.png a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\configuration\config.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-heapdump.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\private_browsing.VisualElementsManifest.xml a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\locale\zu\LC_MESSAGES\vlc.mo a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Common Files\Microsoft Shared\ink\en-US\TipTsf.dll.mui a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Common Files\Microsoft Shared\ink\es-ES\InkObj.dll.mui a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+3 a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-core-windows.xml a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-host.xml a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Common Files\SpeechEngines\Microsoft\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\bn\LC_MESSAGES\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Microsoft Office\Office14\Groove\Certificates\groove.net\Components\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Common Files\Microsoft Shared\MSInfo\ja-JP\msinfo32.exe.mui a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Common Files\Microsoft Shared\Stationery\Soft Blue.htm a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Common Files\microsoft shared\THEMES14\SONORA\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\7-Zip\Lang\mr.txt a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_image-frame-backglow.png a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMain.wmv a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-ui_ja.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Microsoft Games\Multiplayer\Backgammon\fr-FR\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\InkObj.dll.mui a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Notes_btn-back-static.png a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\org-netbeans-core-windows_visualvm.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Web.Extensions.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Mozilla Firefox\gmp-clearkey\0.1\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Windows NT\TableTextService\it-IT\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\en-US\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\de-DE\css\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\7-Zip\Lang\sk.txt a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\feature.properties a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\plugins\audio_filter\libequalizer_plugin.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Common Files\Microsoft Shared\ink\cs-CZ\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Java\jre7\lib\zi\Africa\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Windows NT\Accessories\fr-FR\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jre7\lib\zi\Asia\Singapore a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jre7\lib\zi\Europe\Malta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Microsoft Games\Mahjong\en-US\Mahjong.exe.mui a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe"C:\Users\Admin\AppData\Local\Temp\a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
PID:2604
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD55799901d4f755d102a3566f882bbd3b2
SHA103a93f3f215c9fe5a34f463dd730d76faaf852c4
SHA25626bbf6bd1ce805d20157191125560dd5a76488427d990502ba016e8e13901933
SHA512af41dbd0d0636f1ee632db0265b207c244da898117d1d3a8cf90db48c7b731d2dde3a56404cefbb485290d30149526f74f9bd082c713eb4b37fa0140054fd292
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Filesize
12KB
MD59d7351f423e6f4a155188aec9607cfe8
SHA1976262e58bf8844f6a5b48928c135d3e425d8176
SHA2569f1f10832f39e047f8b9fd78b366908e02a47ad180d665835ecdfcc9bcdbfc25
SHA51284d9b588abfdbecfe84bb9a65587a5dbbf581b7809a13344c929ecc7594c00af94669172ffcf35f2108cba25fbb91d06a11b0d0b4495c0a50c26c51a141dfaf0