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Analysis
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max time kernel
150s -
max time network
70s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
13/02/2025, 06:13
Behavioral task
behavioral1
Sample
a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
Resource
win10v2004-20250211-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/2508-0-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-1-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-2-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-8-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-1733-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-2247-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-2891-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-2982-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-11797-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-13112-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-13113-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-15034-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-25809-0x0000000000400000-0x00000000005CF000-memory.dmp family_trigona behavioral1/memory/2508-29226-0x0000000000400000-0x00000000005CF000-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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\E57D339803F87A2ABB3901A460ED777B = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe" a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe -
Drops desktop.ini file(s) 14 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Microsoft Games\Purble Place\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 (x86)\Microsoft Office\Office14\1033\DataServices\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\Microsoft Games\Chess\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 (x86)\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\$Recycle.Bin\S-1-5-21-2703099537-420551529-3771253338-1000\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Microsoft Games\Solitaire\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\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\Mahjong\desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO01805_.WMF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGWEBCAL.XML a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-jvm.xml a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jre7\bin\t2k.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\fr-FR\calendar.html a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\jre\bin\w2k_lsa_auth.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-jmx.xml a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD14539_.GIF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Windows Photo Viewer\de-DE\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Common Files\System\Ole DB\es-ES\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Nipigon a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14514_.GIF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Common Files\microsoft shared\TextConv\es-ES\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Common Files\microsoft shared\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\lua\http\js\controllers.js a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Windows Media Player\Media Renderer\DMR_120.png a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\next_rest.png a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Common Files\microsoft shared\THEMES14\LAYERS\LAYERS.INF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0101865.BMP a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\INFOPATH_COL.HXC a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Adobe\Reader 9.0\Resource\Font\MyriadPro-Regular.otf a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Common Files\microsoft shared\THEMES14\PIXEL\PIXEL.ELM a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.flightrecorder_5.5.0.165303\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\ja\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad.xml a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\LanguageNames2\DisplayLanguageNames.en_GB.txt a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0228959.WMF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\VideoLAN\VLC\plugins\logger\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\email_all.gif a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\EMAILMOD.POC a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\OFFOWC.DLL a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\it\ReachFramework.resources.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jre7\bin\management.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD14997_.GIF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\EntityDataHandler.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\gmp-clearkey\0.1\clearkey.dll.sig a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\browser\features\[email protected] a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_choosefont.gif a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Swirl\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\lua\sd\jamendo.luac a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\FORMCTL.POC a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainToScenesBackground_PAL.wmv a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.feature_3.9.0.v20140827-1444\feature.xml a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\ED00019_.WMF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\PrivateAssemblies\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD00074_.WMF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099198.GIF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\UnregisterRepair.js a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Common Files\microsoft shared\ink\en-US\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files (x86)\Windows NT\TableTextService\it-IT\how_to_decrypt.hta a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\UIAutomationClient.resources.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\plugins\video_chroma\libi422_yuy2_mmx_plugin.dll a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.base_4.0.200.v20141007-2301.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-core_ja.jar a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGNAVBAR.XML a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02386_.WMF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Templates\1033\Access\Northwind.accdt a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_INTRO_BG_PAL.wmv a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0324704.WMF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00289_.WMF a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Publisher.en-us\PublisherMUI.XML a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-bg_highlight-soft_100_eeeeee_1x100.png a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe File created \??\c:\Program Files\Microsoft Games\Minesweeper\es-ES\how_to_decrypt.hta 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:2508
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD51971455579e31d3d08bc0c5127971e52
SHA1820aa293a95dd703f3d36fb69e083cb5b531a863
SHA25640060dc64b4d290926b91360c3627045d991360bcd17fea0face7c202d36f9c2
SHA5124399c3dcae3d7317bef605a68e4eb823f4dadca07a6bdd9ef810b2ca171fc4bb6399ed54ac16934c6152f3721656fc7d7230a98b2de9895bf55a1ab3d6bc91c2
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Filesize
12KB
MD5428548386e750547de40a136e3ff0980
SHA114303d792c9532a3ff6203c93ad6bc88b3b6b73b
SHA256e5d99dc98c9f7bac0253fd28c75350b585cabdd185ac5c41fa0a2d0b2e6a5574
SHA51277d90ae728dd2578c3ca483216d5dd8109de5b3f2a251ed84c16212f983b5c7f4891bc794d646764c1d84322ccf0d123bd197b59c3357b19eb9e05f70a55763d