Analysis
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max time kernel
145s -
max time network
132s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
10/12/2023, 22:36
Static task
static1
Behavioral task
behavioral1
Sample
dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.exe
Resource
win10-20231023-en
General
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Target
dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.exe
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Size
6.9MB
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MD5
a18b5a05e9f66dc8e913299d736a174e
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SHA1
1cee52af514556b6cd8a9ab7693c1ad39829384c
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SHA256
dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec
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SHA512
4cba9d086d7e8d258ba841164e663b923bc070ac26a648fb73122f8a3b922f89f2aeae4bbcbafa6df9d56c36b9371b20e25e0157d866aa065c0e29ae43801750
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SSDEEP
196608:zxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:5NztzQlcDPXus98d9Jzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 3500 crtgame.exe 2252 crtgame.exe -
Loads dropped DLL 3 IoCs
pid Process 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.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 81.31.197.38 -
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)\CRTGame\bin\x86\is-GN7JI.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-QAQQB.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-M0SFM.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-Q5DET.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-P88P6.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File opened for modification C:\Program Files (x86)\CRTGame\crtgame.exe dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-1VJ5U.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-HTL8L.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-Q2VOR.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-NRJAP.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-DI138.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-L5674.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-00ACD.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-P70IP.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-L96CV.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-I2GV5.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-CSF8J.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-3L9E9.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-DOBOP.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-4PBFL.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-UUM8R.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-KT3UU.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-3L3A3.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-Q7AOU.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-7U0EH.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-HHFJH.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\uninstall\unins000.dat dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\uninstall\is-QPGDB.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-4LJBU.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-RB4AV.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-49OB5.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-179N0.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-LER4J.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\lessmsi\is-BIFI0.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-BQ1O8.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-KNUBS.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-PFP3B.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-C42ND.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-CMMD9.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\is-G3ST5.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File opened for modification C:\Program Files (x86)\CRTGame\uninstall\unins000.dat dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-2OKV6.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-8F9OH.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-EP3T1.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-63QQ9.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-3FAMQ.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-48OMJ.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-N16A7.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-377KS.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-8ILJS.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-P1D51.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-QC8P3.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-6LQER.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-STBGH.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-MNOEH.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\plugins\internal\is-QVEIQ.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-R10VV.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-5BA7J.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-RG7CA.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-2RARM.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-O5TAU.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-I8V7N.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\plugins\internal\is-4MQM6.tmp dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4604 wrote to memory of 4620 4604 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.exe 71 PID 4604 wrote to memory of 4620 4604 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.exe 71 PID 4604 wrote to memory of 4620 4604 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.exe 71 PID 4620 wrote to memory of 1728 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 72 PID 4620 wrote to memory of 1728 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 72 PID 4620 wrote to memory of 1728 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 72 PID 4620 wrote to memory of 3500 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 73 PID 4620 wrote to memory of 3500 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 73 PID 4620 wrote to memory of 3500 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 73 PID 4620 wrote to memory of 1772 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 75 PID 4620 wrote to memory of 1772 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 75 PID 4620 wrote to memory of 1772 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 75 PID 4620 wrote to memory of 2252 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 76 PID 4620 wrote to memory of 2252 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 76 PID 4620 wrote to memory of 2252 4620 dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp 76 PID 1772 wrote to memory of 4852 1772 net.exe 78 PID 1772 wrote to memory of 4852 1772 net.exe 78 PID 1772 wrote to memory of 4852 1772 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.exe"C:\Users\Admin\AppData\Local\Temp\dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Users\Admin\AppData\Local\Temp\is-IEST6.tmp\dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp"C:\Users\Admin\AppData\Local\Temp\is-IEST6.tmp\dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.tmp" /SL5="$7019A,7025884,54272,C:\Users\Admin\AppData\Local\Temp\dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1728
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -i3⤵
- Executes dropped EXE
PID:3500
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 103⤵
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 104⤵PID:4852
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -s3⤵
- Executes dropped EXE
PID:2252
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD53362bac458070e33d0cabcda1e4b735c
SHA176ac1f5b96667d9621eedd92ab0704b9c7a129b0
SHA2564dbfd9df16a57d8ff7a00a378fe737efc179f53f2ce975daeaedbaa6ab8bcecd
SHA51259ed8a9d16e100ad91d98ad3a08eabe148234633e59bfb4bef1b63e5a54c3e63193f088ad1538c4898a7a6ac5ead65a2e244ae64bc5325bbf87e763474c5a5ce
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C:\Users\Admin\AppData\Local\Temp\is-IEST6.tmp\dc89f6a8cdffacd88e5b7b370d433a845e94e9a17b8d6e015bc2246c4b2b42ec.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