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Analysis
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max time kernel
122s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
11/12/2023, 08:21
Static task
static1
Behavioral task
behavioral1
Sample
1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.exe
Resource
win10v2004-20231130-en
General
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Target
1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.exe
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Size
6.9MB
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MD5
9ae278078c8cde673ce79e591a0b439d
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SHA1
967e04499dd986627fea2a0e559bd2c51a7a50ae
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SHA256
1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c
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SHA512
cd6c03b13458c85279902d6146c1c561d812ca797b8f15ef5500c06a290f151edea2a7a4f12611e784fcf323b36bbac2f0ed7800d9d6526998cbd245a32541ae
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SSDEEP
196608:QH/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:FcOhoGE1ArRvqlgM7xtAT0Hzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 3060 wmaformat.exe 4428 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 141.98.234.31 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 63 IoCs
description ioc Process File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VCTMB.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-DKSUS.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-U7V2S.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6F713.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MJTAU.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-K6C8F.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-L0MVA.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MGDBJ.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TAFN6.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-65231.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-K0ULH.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CI8QJ.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VFQED.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VHIVH.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LE0T3.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-2TJQN.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-GR98P.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q66O7.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-G1GNK.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-11N8O.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HOFJS.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VQ2KO.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JTP13.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-E3P0B.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4GIHU.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-ODTO4.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NRLCU.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BPD2G.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-ITKNT.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-S6K30.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-P5NHV.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PBTS6.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-76I6Q.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2NTB2.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-A1RLN.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AGMRR.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DEQTC.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-T1S9B.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-R28RC.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EE2OH.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7236F.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7GBMV.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-E6FNG.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-H32CK.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-798BA.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1287D.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AK3DF.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-T0DUV.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GGG42.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\is-F1EHA.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-5K7OK.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q0TLV.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RO09S.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-72CBU.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0GDKV.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0G2G8.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2F0L8.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BBAUB.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-82J8S.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TUF1H.tmp 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1832 wrote to memory of 3920 1832 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.exe 23 PID 1832 wrote to memory of 3920 1832 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.exe 23 PID 1832 wrote to memory of 3920 1832 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.exe 23 PID 3920 wrote to memory of 2496 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 46 PID 3920 wrote to memory of 2496 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 46 PID 3920 wrote to memory of 2496 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 46 PID 3920 wrote to memory of 3060 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 45 PID 3920 wrote to memory of 3060 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 45 PID 3920 wrote to memory of 3060 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 45 PID 3920 wrote to memory of 4852 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 41 PID 3920 wrote to memory of 4852 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 41 PID 3920 wrote to memory of 4852 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 41 PID 3920 wrote to memory of 4428 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 40 PID 3920 wrote to memory of 4428 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 40 PID 3920 wrote to memory of 4428 3920 1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp 40 PID 4852 wrote to memory of 4820 4852 net.exe 39 PID 4852 wrote to memory of 4820 4852 net.exe 39 PID 4852 wrote to memory of 4820 4852 net.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.exe"C:\Users\Admin\AppData\Local\Temp\1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Users\Admin\AppData\Local\Temp\is-FBVRT.tmp\1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp"C:\Users\Admin\AppData\Local\Temp\is-FBVRT.tmp\1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp" /SL5="$4020E,6982471,68096,C:\Users\Admin\AppData\Local\Temp\1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:4428
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:4852
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:3060
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:2496
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 111⤵PID:4820
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
79KB
MD5f28d048ebef312a591dae650776ee926
SHA12da8cf2c5505741f7395407e03e7306151d24b99
SHA256cb4ca89f320dc53a04491ebee8378f909dd1b67b60605ffa31d1e2a50ce2fbf4
SHA51252964cb3878f4eb3e68bf804d52052c7b90950f475cd54b8fb3000b4f2b0aa8e3e1b7a6e47acf0b8ba022b210285ba4e4af05c2bd48f5bd791619cfed9ae179d
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Filesize
61KB
MD598d343d1ad6ae58b7e18f6c788ed9755
SHA16a94bccc08907fc7d7e6ff9edd8e4b29a3f4dc05
SHA256681a9e58e27bf3a772771165c2c4e498003a6302f649443312d7da57dd563779
SHA51240f56f0437a1afe1be081d35a0c56cf6946ec0a6598b6362fabc63438dc9fe9a452f3db112c8f3a9b3f9df5d69e9c02a70fb64cab0e1f44556092e9466af50c1
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Filesize
35KB
MD501e506612f141d9dda67183420e54376
SHA11a1bfd5731eea3ebecf19216aaa7421a85496f21
SHA256fe9f396501ffb3d1ff4733c16d7b5c661bad94a8b5495b77d878ebf7722078e9
SHA51241095525547ae5412dfa72b889670a2a9d1801b6de8553baca92d70cc0f816df7bd035b87d49c2ad89008555b9fc52d81005c5ed1469e48060b06ea2c841fa9b
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C:\Users\Admin\AppData\Local\Temp\is-FBVRT.tmp\1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp
Filesize149KB
MD5dfe451f832e84558eb81c75c3e54f491
SHA1d77c7e2198e7d57e928920b5fb7ae11ab23de8ed
SHA2562923b317dfe81489e50f85eee44627439d2a88ccc484090efbffd2af8a8d7823
SHA5122c38ea07df25cc37750d35bdf6507b9f3e9fb973991a6793c555c2b6de7520e2c604b35c52c9198e8687b985e40fea959e93901ca78d7f29a4d001df10e81335
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C:\Users\Admin\AppData\Local\Temp\is-FBVRT.tmp\1df28f1053d2707721114eb417762c0d51840f948803e6a36abaf288324fab8c.tmp
Filesize119KB
MD50f02000343ff2d99f94165c90c77b859
SHA15fffe7c808947ac670af3e9d3c79799851e13f3e
SHA2567cc6004ca522c18a1717fedde271da49bf3cbe228c2223eb209a77f180ad6e55
SHA512f24c5603d4f9d953df673e04b43b368c2c15e8da6ee81f5172acafb717574e57f0ed8ff36e635324b03a07fda2132088a508b09f270f0287a70e15c074d56430
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303