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Analysis
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max time kernel
144s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
11/12/2023, 06:52
Static task
static1
Behavioral task
behavioral1
Sample
151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe
Resource
win10-20231020-en
General
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Target
151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe
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Size
6.9MB
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MD5
131db4ddd41f88c6dc9b5b05bc2b4952
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SHA1
94827ac4a5939d1837c14e7fcd2f8676f89cc781
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SHA256
151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e
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SHA512
5255bf5ce27f3ed75c8f238602827fca95e0c8453e5e703f51965b1b320512d4cfa37495488ce15efae5d06989997a4ddffc89b2b9fd82ba126262465cb8ff8e
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SSDEEP
196608:4H/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:tcOhoGE1ArRvqlgM7xtAT0Hzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 5024 wmaformat.exe 4168 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.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-O3MGC.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OLQ8T.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SK3GD.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CBIAS.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AR7EJ.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HJ44T.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-BHB88.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OTQP9.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-22PTK.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KRK2S.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NDVPT.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HSDJ5.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EHTLT.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KHL3F.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-7E39D.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-22KSK.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-791O2.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9M0P8.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-36DA8.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0DFG8.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CDA7U.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-A084M.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-A8TNG.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4CSAB.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7J5MS.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-IOUT6.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2AEK3.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-545KK.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FVB5G.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-46BHU.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-54O9L.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CKFV9.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-42HL3.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6OH9G.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-JPIH8.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8PJ0R.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q3A20.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-N6VS5.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NKPHJ.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-R674O.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-8P5F4.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-55K6K.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DPHOJ.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EIVR9.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-VATRF.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2DLE3.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6LFE9.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q0KV0.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\is-B3NO4.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QBME8.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JDTPK.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EAA1L.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6EQO4.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DRV9L.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QAG37.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NNUCF.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KRGOD.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VRSSQ.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BG1HS.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-9VU14.tmp 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4640 wrote to memory of 2300 4640 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe 71 PID 4640 wrote to memory of 2300 4640 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe 71 PID 4640 wrote to memory of 2300 4640 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe 71 PID 2300 wrote to memory of 1072 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 72 PID 2300 wrote to memory of 1072 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 72 PID 2300 wrote to memory of 1072 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 72 PID 2300 wrote to memory of 5024 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 73 PID 2300 wrote to memory of 5024 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 73 PID 2300 wrote to memory of 5024 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 73 PID 2300 wrote to memory of 3488 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 77 PID 2300 wrote to memory of 3488 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 77 PID 2300 wrote to memory of 3488 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 77 PID 2300 wrote to memory of 4168 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 76 PID 2300 wrote to memory of 4168 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 76 PID 2300 wrote to memory of 4168 2300 151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp 76 PID 3488 wrote to memory of 5116 3488 net.exe 78 PID 3488 wrote to memory of 5116 3488 net.exe 78 PID 3488 wrote to memory of 5116 3488 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe"C:\Users\Admin\AppData\Local\Temp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Users\Admin\AppData\Local\Temp\is-N067E.tmp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp"C:\Users\Admin\AppData\Local\Temp\is-N067E.tmp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp" /SL5="$60154,6982471,68096,C:\Users\Admin\AppData\Local\Temp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1072
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:5024
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:4168
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:5116
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.6MB
MD5a055b354262061f5fa241ad85bac5bc1
SHA19aba72fa57e72b25240c2440896e01ac1f7dde90
SHA25644ab1fbd6703293f19d36e2d490379242cfa115da4c70cd6563aa5a69ebdcbff
SHA512630a852cb83ed79ba50da7df661c747373cd267252e1fcc633a468fc63dc4b20dd9510e88b84b1f84973f2cdb82464dd7bb3cabb0f930b8a86edb7a50f9b8271
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Filesize
1.5MB
MD5b6a2de1c130ff46f32d3f55193ab6c54
SHA1299a67abd424c2a70fa40575b51e3ddd4e718c3e
SHA256ad7fed221ca8104500ce02becbbb97d446062a2509310883f2068994b490bc80
SHA5125fab3a7a32e05ca8c911e0e1bf3508d05e24d4f9dcd009bfddd08d7cd3da23f03cd84350c3b8bbbf75a5c67e5ad108b667877ec938141132413cdde37956d7d1
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Filesize
608KB
MD576fbf4ef8a94be45b314fe1bc281e15a
SHA1443e24f409f64e37913cc424d746bfc054d4e272
SHA256ee7a6f57a9b229ce9aa0c18ba71f8f04f3c8f1eb74f0bf6013e1b1016c8cb5c1
SHA5122cb4da5ad7d9706bacbb3790906b183661f273085bf195f3e9c89411fc2e5503177ed28c119a7f97c7f382877f26efb2157c561c596381c39b172dee1606477e
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C:\Users\Admin\AppData\Local\Temp\is-N067E.tmp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303