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Overview
overview
7Static
static
3VirusShare...a2.exe
windows7-x64
7VirusShare...a2.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3ffMediaWat...ion.js
windows7-x64
1ffMediaWat...ion.js
windows10-2004-x64
1ff/chrome/...969.js
windows7-x64
1ff/chrome/...969.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...69.dll
windows7-x64
6ie/MediaWa...69.dll
windows10-2004-x64
6uninstall.exe
windows7-x64
7uninstall.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3Analysis
-
max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 12:10
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
ffMediaWatchV1home969chaction.js
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral6
Sample
ffMediaWatchV1home969chaction.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home969.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home969.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home969ffaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home969ffaction.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home969.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home969.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
windows10-2004-x64
General
-
Target
VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe
-
Size
634KB
-
MD5
4bf3845d2fea32a04d27624653f6b4a2
-
SHA1
639c4ae9839a87fb693613fa7488083a30b8ee8e
-
SHA256
9099720e02c8a901fd943081dd1475ab675538232a6d2c03a2503c588c0406ee
-
SHA512
32090553b56fa0dc2d743906eb64b9676b6a70d741566d83ec750e1d0d3a2b1a9b9121590d3050460b1ebcc3bc7da6f48acd321feae1a2c82fb68e33a5429db6
-
SSDEEP
12288:SqCYwBcVxG4GjeZHkwuPikQ7lKH5p5H9x1kqeZHkwuDivQhlKL5p/xlolfq:SqjwuxG4GjeZEXi37l6Br1kqeZE7iohU
Malware Config
Signatures
-
Loads dropped DLL 2 IoCs
pid Process 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 2500 regsvr32.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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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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Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{88693ad6-6017-42c2-ad50-f219ea172963} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{88693ad6-6017-42c2-ad50-f219ea172963}\ = "MediaWatchV1home969" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{88693ad6-6017-42c2-ad50-f219ea172963}\NoExplorer = "1" regsvr32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ch\MediaWatchV1home969.crx VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome.manifest VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\install.rdf VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\overlay.xul VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\icons\Thumbs.db VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ch\MediaWatchV1home969.crx VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\install.rdf VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\ffMediaWatchV1home969.js VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\icons VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\icons\Thumbs.db VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome.manifest VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\icons\default VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\icons\default\MediaWatchV1home969_32.png VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ie\MediaWatchV1home969.dll VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\ffMediaWatchV1home969.js VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\ffMediaWatchV1home969ffaction.js VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\ffMediaWatchV1home969ffaction.js VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\overlay.xul VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ff\chrome\content\icons\default\MediaWatchV1home969_32.png VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\uninstall.exe VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe Set value (data) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Approved Extensions\{88693ad6-6017-42c2-ad50-f219ea172963} = 51667a6c4c1d3b1bc62579972837af06b459b459e95d6e76 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe -
Modifies registry class 36 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1\ = "MediaWatchV1home969Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963} VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\ = "Media Watch" VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home969\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\ = "IMediaWatchV1home969BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\ = "MediaWatchV1home969" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\TypeLib\ = "{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home969\\ie\\MediaWatchV1home969.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\TypeLib\ = "{f1dc53d1-a8e3-4db7-a172-941efdc398c5}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home969\\ie\\MediaWatchV1home969.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\ = "IMediaWatchV1home969BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88693ad6-6017-42c2-ad50-f219ea172963}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7FB667C9-CF31-4077-AE79-9022506BF7E9}\TypeLib\ = "{F1DC53D1-A8E3-4DB7-A172-941EFDC398C5}" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2488 wrote to memory of 2500 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 28 PID 2488 wrote to memory of 2500 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 28 PID 2488 wrote to memory of 2500 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 28 PID 2488 wrote to memory of 2500 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 28 PID 2488 wrote to memory of 2500 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 28 PID 2488 wrote to memory of 2500 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 28 PID 2488 wrote to memory of 2500 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 28 PID 2488 wrote to memory of 2712 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 29 PID 2488 wrote to memory of 2712 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 29 PID 2488 wrote to memory of 2712 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 29 PID 2488 wrote to memory of 2712 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 29 PID 2488 wrote to memory of 2712 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 29 PID 2488 wrote to memory of 2712 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 29 PID 2488 wrote to memory of 2712 2488 VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_4bf3845d2fea32a04d27624653f6b4a2.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home969\ie\MediaWatchV1home969.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2500
-
-
C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:2712
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
85KB
MD57a653929c5c9e94267f4076c3072e99d
SHA1d3062eec7ab6eb7f7dee6abc1d1e9aeb5c67101d
SHA25697758420a28db079627538eabfe3bb1827e5a24da6c67bf9046b3551b3140948
SHA512946abbf7a33125ff30ab44a93812e27e8fe94a51878f830c35f4361f32eed08a6df9a172b2a274b837fc6e1350d7aa5f03b01903202d93000a04a424450bb685
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Filesize
559KB
MD551ba1095f0ae45a2d444bea506cb9ad4
SHA1038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA256b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
SHA512f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361