Analysis
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max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-04-2024 01:13
Behavioral task
behavioral1
Sample
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe
Resource
win10v2004-20240226-en
General
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Target
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe
-
Size
955KB
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MD5
f099a165d0ecbee2f6b55870be2c8474
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SHA1
d3b0b819be36ec96cf7c318251eb378b6c19683b
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SHA256
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf
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SHA512
6c18bdd0563b5f2b3b2714509b03c56b611c798cb51550ef08dc1c4a2a18e26afca4248a1873c63a87a6a162d91341debbc811e8b92de6b8e0ccf9d3cf088a63
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SSDEEP
12288:ZN46O0tbCdFTkYz6GfpTqBVCX/ppQFYXi/bwMgEjW0vuaGO+:9nYzqCf4YS/b3tK0WJO+
Malware Config
Signatures
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Detect Neshta payload 6 IoCs
Processes:
resource yara_rule C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe family_neshta behavioral1/memory/2956-86-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2956-87-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2956-88-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2956-89-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2956-91-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Executes dropped EXE 1 IoCs
Processes:
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exepid process 2324 a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe -
Loads dropped DLL 3 IoCs
Processes:
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exepid process 2956 a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe 2956 a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe 2956 a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe -
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 file in Program Files directory 64 IoCs
Processes:
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exedescription ioc process File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe -
Drops file in Windows directory 1 IoCs
Processes:
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exedescription ioc process File opened for modification C:\Windows\svchost.com a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
Processes:
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exedescription pid process target process PID 2956 wrote to memory of 2324 2956 a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe PID 2956 wrote to memory of 2324 2956 a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe PID 2956 wrote to memory of 2324 2956 a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe PID 2956 wrote to memory of 2324 2956 a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe"C:\Users\Admin\AppData\Local\Temp\a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Users\Admin\AppData\Local\Temp\3582-490\a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe"2⤵
- Executes dropped EXE
PID:2324
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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C:\Users\Admin\AppData\Local\Temp\3582-490\a2ef9be9b9d9fb6f1a9f327b56f32a9885ffa6da639fe721f3bf893ddd45ccaf.exe
Filesize914KB
MD5da6464b32df0d729a4f5bd26ce92f728
SHA1ded9562b4b715c35bd24abdd03d1425b7d3c98c4
SHA2563230ac5bac442ea9dd53187624027750ecdcb4c94b045dc7994f75fc0854a3a1
SHA512f035168875bdcd2d3b6398eb50f5ef76e99c3ef46c50fde40d8c334e811fd6fa0cd9f7c79292e8a79b790d0e562e850d33218d63a37fed5dd725c70dd3e9e652
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156