Analysis
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max time kernel
65s -
max time network
66s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
26/06/2023, 01:52
Static task
static1
Behavioral task
behavioral1
Sample
bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe
Resource
win7-20230621-en
General
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Target
bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe
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Size
2.1MB
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MD5
bd1b8f79433c29955278c3fbcd9096f9
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SHA1
07f2592afa191014ead41399639c11bdf8424609
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SHA256
bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5
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SHA512
fd1cdaa93523f9ad8129852a231e019309a7ab34ec4776b2dde27224b3d42749fe99e816897f8cd9e1452c57774c2d7705c0aa382e3a1b53e50c3c8efd15a76d
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SSDEEP
49152:zGwPVIUWxUXbEx5Eo0C3emuRggECvbWh+5aUUwqQC6fN6O:qwK6PLCO/5vbWyaUuQCwYO
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1476 is-R22J4.tmp 1092 FreeSpacer624.exe 1716 CSeh82QtnkFlB.exe -
Loads dropped DLL 6 IoCs
pid Process 1620 bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe 1476 is-R22J4.tmp 1476 is-R22J4.tmp 1476 is-R22J4.tmp 1476 is-R22J4.tmp 1092 FreeSpacer624.exe -
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 64 IoCs
description ioc Process File created C:\Program Files (x86)\FreeSpacer624\Config\is-72OK7.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-IF0N4.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-I6AMB.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-D0DTF.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-EAC7D.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-FO1KH.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-MOTVT.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-KFRVF.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-1O2SQ.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-TGIEH.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\is-QLVET.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-A91UH.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-OP3KH.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-RCTDT.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-3K6TI.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-K5CRB.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-DBCI9.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-KO6F6.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-BL7RD.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-BI6L7.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-326GI.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-KRR0N.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-0CAOT.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-QS067.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-QVQ40.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-5NKE7.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-T0U35.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\is-ESE9D.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-TI820.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-DUCBS.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-VIG30.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-O2C7T.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-UBPNE.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\is-6NHQC.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Config\is-VFK5J.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-D45J8.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-2ULLD.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\is-55UR8.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\is-NUU48.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Config\is-VCN6O.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-UBQNC.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-PDEM8.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\unins000.dat is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\is-EJ9SH.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Config\is-3LEOU.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-D1P3B.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-EBRO7.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-PBM5M.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-I5ERG.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-ATLUL.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-G39U4.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-NBFLH.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-K5GO2.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-ST5RL.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-AFMH0.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\is-8G6KL.tmp is-R22J4.tmp File opened for modification C:\Program Files (x86)\FreeSpacer624\unins000.dat is-R22J4.tmp File opened for modification C:\Program Files (x86)\FreeSpacer624\FreeSpacer624.exe is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Config\is-RLRV3.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-4QI3U.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-PQBLS.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-DET8J.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-4CISD.tmp is-R22J4.tmp File created C:\Program Files (x86)\FreeSpacer624\Skins\Blue\is-IOI63.tmp is-R22J4.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
pid Process 1412 taskkill.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1092 FreeSpacer624.exe 1092 FreeSpacer624.exe 1092 FreeSpacer624.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1412 taskkill.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 1620 wrote to memory of 1476 1620 bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe 27 PID 1620 wrote to memory of 1476 1620 bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe 27 PID 1620 wrote to memory of 1476 1620 bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe 27 PID 1620 wrote to memory of 1476 1620 bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe 27 PID 1620 wrote to memory of 1476 1620 bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe 27 PID 1620 wrote to memory of 1476 1620 bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe 27 PID 1620 wrote to memory of 1476 1620 bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe 27 PID 1476 wrote to memory of 1040 1476 is-R22J4.tmp 28 PID 1476 wrote to memory of 1040 1476 is-R22J4.tmp 28 PID 1476 wrote to memory of 1040 1476 is-R22J4.tmp 28 PID 1476 wrote to memory of 1040 1476 is-R22J4.tmp 28 PID 1476 wrote to memory of 1092 1476 is-R22J4.tmp 30 PID 1476 wrote to memory of 1092 1476 is-R22J4.tmp 30 PID 1476 wrote to memory of 1092 1476 is-R22J4.tmp 30 PID 1476 wrote to memory of 1092 1476 is-R22J4.tmp 30 PID 1040 wrote to memory of 1336 1040 net.exe 31 PID 1040 wrote to memory of 1336 1040 net.exe 31 PID 1040 wrote to memory of 1336 1040 net.exe 31 PID 1040 wrote to memory of 1336 1040 net.exe 31 PID 1092 wrote to memory of 1716 1092 FreeSpacer624.exe 32 PID 1092 wrote to memory of 1716 1092 FreeSpacer624.exe 32 PID 1092 wrote to memory of 1716 1092 FreeSpacer624.exe 32 PID 1092 wrote to memory of 1716 1092 FreeSpacer624.exe 32 PID 1092 wrote to memory of 1196 1092 FreeSpacer624.exe 35 PID 1092 wrote to memory of 1196 1092 FreeSpacer624.exe 35 PID 1092 wrote to memory of 1196 1092 FreeSpacer624.exe 35 PID 1092 wrote to memory of 1196 1092 FreeSpacer624.exe 35 PID 1196 wrote to memory of 1412 1196 cmd.exe 37 PID 1196 wrote to memory of 1412 1196 cmd.exe 37 PID 1196 wrote to memory of 1412 1196 cmd.exe 37 PID 1196 wrote to memory of 1412 1196 cmd.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe"C:\Users\Admin\AppData\Local\Temp\bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\AppData\Local\Temp\is-GOBG8.tmp\is-R22J4.tmp"C:\Users\Admin\AppData\Local\Temp\is-GOBG8.tmp\is-R22J4.tmp" /SL4 $70122 "C:\Users\Admin\AppData\Local\Temp\bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5.exe" 1856444 1730562⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 243⤵
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 244⤵PID:1336
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C:\Program Files (x86)\FreeSpacer624\FreeSpacer624.exe"C:\Program Files (x86)\FreeSpacer624\FreeSpacer624.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\CSeh82QtnkFlB.exe4⤵
- Executes dropped EXE
PID:1716
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FreeSpacer624.exe" /f & erase "C:\Program Files (x86)\FreeSpacer624\FreeSpacer624.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "FreeSpacer624.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1412
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.9MB
MD5ea4e0e3e77bd0be06d81119ad985b576
SHA1275c56b15a01a92642852b57b04757543d95f870
SHA25677f94f103029626ba89a60f0e84cde3a991a6c081776e1df6b791a6164fa8a23
SHA512fd5cf89fc0dffd861f30c278fab972b75c76d4585fcdc612a993e567aa9cce3ed5b6ac7d732a8fab4aa500d7859bdec4438ca5e92881e3f833a855a7c8e3d3f1
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Filesize
2.9MB
MD5ea4e0e3e77bd0be06d81119ad985b576
SHA1275c56b15a01a92642852b57b04757543d95f870
SHA25677f94f103029626ba89a60f0e84cde3a991a6c081776e1df6b791a6164fa8a23
SHA512fd5cf89fc0dffd861f30c278fab972b75c76d4585fcdc612a993e567aa9cce3ed5b6ac7d732a8fab4aa500d7859bdec4438ca5e92881e3f833a855a7c8e3d3f1
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Filesize
4KB
MD5ce494d2d223aed950fea67f657d3fa3e
SHA197a19c02487c41e3a079cd6764afffeb5e838b26
SHA256c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9
SHA512687bf3bd7de28dc45ea622672dc59d7e45d9ce83530a7db6462447ea247a9bde061738c454e09b48531aab9cce802c8491aa730e4da65e63daf31c65ffc39fe1
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HZMQ0AZF\dll[1].htm
Filesize1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
770KB
MD5f3e92b10ce8a5e9bd7488068b3d14224
SHA132f26be398439c8e3d0ccfb20af26036921bd1fc
SHA25636d57fd6228ddb0005dfc6784b455b8504cc83e4e16bfe9b07642ea9562aa4bd
SHA5126b25fc9cc38e96687f3a3511c424f9c0f838215f3d3db155a1c4352018411470e7d38276f09a4b4826b9efd390b410ebbf82512f1b5c126b9fd9b982325dfcd4
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Filesize
770KB
MD5f3e92b10ce8a5e9bd7488068b3d14224
SHA132f26be398439c8e3d0ccfb20af26036921bd1fc
SHA25636d57fd6228ddb0005dfc6784b455b8504cc83e4e16bfe9b07642ea9562aa4bd
SHA5126b25fc9cc38e96687f3a3511c424f9c0f838215f3d3db155a1c4352018411470e7d38276f09a4b4826b9efd390b410ebbf82512f1b5c126b9fd9b982325dfcd4
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
2.9MB
MD5ea4e0e3e77bd0be06d81119ad985b576
SHA1275c56b15a01a92642852b57b04757543d95f870
SHA25677f94f103029626ba89a60f0e84cde3a991a6c081776e1df6b791a6164fa8a23
SHA512fd5cf89fc0dffd861f30c278fab972b75c76d4585fcdc612a993e567aa9cce3ed5b6ac7d732a8fab4aa500d7859bdec4438ca5e92881e3f833a855a7c8e3d3f1
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Filesize
770KB
MD5f3e92b10ce8a5e9bd7488068b3d14224
SHA132f26be398439c8e3d0ccfb20af26036921bd1fc
SHA25636d57fd6228ddb0005dfc6784b455b8504cc83e4e16bfe9b07642ea9562aa4bd
SHA5126b25fc9cc38e96687f3a3511c424f9c0f838215f3d3db155a1c4352018411470e7d38276f09a4b4826b9efd390b410ebbf82512f1b5c126b9fd9b982325dfcd4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c