Analysis
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max time kernel
128s -
max time network
142s -
platform
windows10-1703_x64 -
resource
win10-20231215-en -
resource tags
arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system -
submitted
27-01-2024 20:08
Static task
static1
Behavioral task
behavioral1
Sample
chrome_setup.msi
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
chrome_setup.msi
Resource
win10-20231215-en
Behavioral task
behavioral3
Sample
chrome_setup.msi
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
chrome_setup.msi
Resource
win11-20231222-en
General
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Target
chrome_setup.msi
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Size
304KB
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MD5
6b63f4f44ed6a243acbf0ee18c5fb5a2
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SHA1
3d6e13fa319d4de1393c23579753833260b3ef2e
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SHA256
e34cf173d4a9a9f8c1556c52de1410f3086a1c3f080ea1a8f52726394277a994
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SHA512
ba1811c4556d8bd113563d4c175795f6d76b48faa259915a30a341ac425cfa309d74d8028749fe5b87eaf26332136657aae5e34e0db08054f689276db746e809
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SSDEEP
3072:NspAtO9mXwCGjtYNKbYO2gjpcm8rRuqpjCL42loHUvU0yGxr5GqM2a8hIZEZnWv:vtO9iRQYpgjpjew5DHyGxcqo8f
Malware Config
Extracted
C:\README.334cdd42.TXT
darkside
http://dark24vx6fsmdrtbzdzjv6ckz4yqyued4uz455oqpctko7m6vbrzibad.onion/XES2TUV3A9QL89IS7QX91V7TYSF13ASPGB2TASQ68R9Z6QYH69OVY833QSRSFU4I
Signatures
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DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
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Renames multiple (177) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 5 IoCs
Processes:
516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exepid process 924 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 2272 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 3916 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -
Loads dropped DLL 2 IoCs
Processes:
MsiExec.exepid process 2876 MsiExec.exe 2876 MsiExec.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
ICACLS.EXEICACLS.EXEpid process 1444 ICACLS.EXE 1492 ICACLS.EXE -
Enumerates connected drives 3 TTPs 47 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
msiexec.exemsiexec.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exedescription ioc process File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\F: 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe -
Drops file in System32 directory 21 IoCs
Processes:
516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\5RGCPSTQ.cookie 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\71DC818AAEA1211A26ACC273B35C74BA 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\5RGCPSTQ.cookie 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\71DC818AAEA1211A26ACC273B35C74BA 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\K67ZDJQH.cookie 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\K67ZDJQH.cookie 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\9ZRMZ3FT.cookie 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\9ZRMZ3FT.cookie 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-167039816-2868247564-2551780377-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\334cdd42.BMP" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -
Drops file in Windows directory 11 IoCs
Processes:
msiexec.exeEXPAND.EXEdescription ioc process File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Logs\DPX\setupact.log EXPAND.EXE File opened for modification C:\Windows\Logs\DPX\setuperr.log EXPAND.EXE File opened for modification C:\Windows\Installer\MSIA921.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIACFA.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIAD0B.tmp msiexec.exe File created C:\Windows\Installer\e57a875.msi msiexec.exe File opened for modification C:\Windows\Installer\e57a875.msi msiexec.exe File created C:\Windows\Installer\SourceHash{178E9072-0290-429F-B7B6-81A3776A0164} msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe -
Modifies Control Panel 2 IoCs
Processes:
516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-167039816-2868247564-2551780377-1000\Control Panel\Desktop 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (str) \REGISTRY\USER\S-1-5-21-167039816-2868247564-2551780377-1000\Control Panel\Desktop\WallpaperStyle = "10" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -
Modifies data under HKEY_USERS 29 IoCs
Processes:
516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exedescription ioc process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = e086e4919b51418479211735d8ed61e34dc2ad1bccd2cf39f5072a03cf16e047 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 2aea4409bc4701050be2a50146367155a4f3352268d11264897c7e770907ce75 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = f2b1bee3408ea6f5bf17ed7ab9e71637233e35ea13a275ea1897548447196cf1 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\334cdd42.BMP" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 1189d050550642cc12147a829e4d4bb48fc7602d31c73a8ab8ccc890c35fc743 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\USER\.DEFAULT\Software 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d002e0062006c00660000000000 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\USER\.DEFAULT\Control Panel\International 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300032002e007200650067007400720061006e0073002d006d00730000000000 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\OnDemandInterfaceCache 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Owner = 1c1100007fd732b25c51da01 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300031002e007200650067007400720061006e0073002d006d00730000000000 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 75b858d6d9fcc588166e07cdebb1c409ec08ce2fde0392d70f68fe0c44d77ec4 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 5792938b15b35660084f3dd9e68fb96f4de88951a5d52ff5862ada3f41643dce 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -
Modifies registry class 5 IoCs
Processes:
516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\334cdd42 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\334cdd42\DefaultIcon\ = "C:\\ProgramData\\334cdd42.ico" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.334cdd42 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.334cdd42\ = "334cdd42" 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\334cdd42\DefaultIcon 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
msiexec.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exepid process 4108 msiexec.exe 4108 msiexec.exe 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 4380 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
Processes:
msiexec.exemsiexec.exevssvc.exedescription pid process Token: SeShutdownPrivilege 512 msiexec.exe Token: SeIncreaseQuotaPrivilege 512 msiexec.exe Token: SeSecurityPrivilege 4108 msiexec.exe Token: SeCreateTokenPrivilege 512 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 512 msiexec.exe Token: SeLockMemoryPrivilege 512 msiexec.exe Token: SeIncreaseQuotaPrivilege 512 msiexec.exe Token: SeMachineAccountPrivilege 512 msiexec.exe Token: SeTcbPrivilege 512 msiexec.exe Token: SeSecurityPrivilege 512 msiexec.exe Token: SeTakeOwnershipPrivilege 512 msiexec.exe Token: SeLoadDriverPrivilege 512 msiexec.exe Token: SeSystemProfilePrivilege 512 msiexec.exe Token: SeSystemtimePrivilege 512 msiexec.exe Token: SeProfSingleProcessPrivilege 512 msiexec.exe Token: SeIncBasePriorityPrivilege 512 msiexec.exe Token: SeCreatePagefilePrivilege 512 msiexec.exe Token: SeCreatePermanentPrivilege 512 msiexec.exe Token: SeBackupPrivilege 512 msiexec.exe Token: SeRestorePrivilege 512 msiexec.exe Token: SeShutdownPrivilege 512 msiexec.exe Token: SeDebugPrivilege 512 msiexec.exe Token: SeAuditPrivilege 512 msiexec.exe Token: SeSystemEnvironmentPrivilege 512 msiexec.exe Token: SeChangeNotifyPrivilege 512 msiexec.exe Token: SeRemoteShutdownPrivilege 512 msiexec.exe Token: SeUndockPrivilege 512 msiexec.exe Token: SeSyncAgentPrivilege 512 msiexec.exe Token: SeEnableDelegationPrivilege 512 msiexec.exe Token: SeManageVolumePrivilege 512 msiexec.exe Token: SeImpersonatePrivilege 512 msiexec.exe Token: SeCreateGlobalPrivilege 512 msiexec.exe Token: SeBackupPrivilege 4168 vssvc.exe Token: SeRestorePrivilege 4168 vssvc.exe Token: SeAuditPrivilege 4168 vssvc.exe Token: SeBackupPrivilege 4108 msiexec.exe Token: SeRestorePrivilege 4108 msiexec.exe Token: SeRestorePrivilege 4108 msiexec.exe Token: SeTakeOwnershipPrivilege 4108 msiexec.exe Token: SeRestorePrivilege 4108 msiexec.exe Token: SeTakeOwnershipPrivilege 4108 msiexec.exe Token: SeRestorePrivilege 4108 msiexec.exe Token: SeTakeOwnershipPrivilege 4108 msiexec.exe Token: SeRestorePrivilege 4108 msiexec.exe Token: SeTakeOwnershipPrivilege 4108 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
msiexec.exepid process 512 msiexec.exe 512 msiexec.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
msiexec.exeMsiExec.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exedescription pid process target process PID 4108 wrote to memory of 3992 4108 msiexec.exe srtasks.exe PID 4108 wrote to memory of 3992 4108 msiexec.exe srtasks.exe PID 4108 wrote to memory of 2876 4108 msiexec.exe MsiExec.exe PID 4108 wrote to memory of 2876 4108 msiexec.exe MsiExec.exe PID 4108 wrote to memory of 2876 4108 msiexec.exe MsiExec.exe PID 2876 wrote to memory of 1444 2876 MsiExec.exe ICACLS.EXE PID 2876 wrote to memory of 1444 2876 MsiExec.exe ICACLS.EXE PID 2876 wrote to memory of 1444 2876 MsiExec.exe ICACLS.EXE PID 2876 wrote to memory of 3188 2876 MsiExec.exe EXPAND.EXE PID 2876 wrote to memory of 3188 2876 MsiExec.exe EXPAND.EXE PID 2876 wrote to memory of 3188 2876 MsiExec.exe EXPAND.EXE PID 2876 wrote to memory of 924 2876 MsiExec.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 2876 wrote to memory of 924 2876 MsiExec.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 2876 wrote to memory of 924 2876 MsiExec.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 2272 wrote to memory of 1624 2272 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 2272 wrote to memory of 1624 2272 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 2272 wrote to memory of 1624 2272 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 2272 wrote to memory of 1624 2272 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 2876 wrote to memory of 1492 2876 MsiExec.exe ICACLS.EXE PID 2876 wrote to memory of 1492 2876 MsiExec.exe ICACLS.EXE PID 2876 wrote to memory of 1492 2876 MsiExec.exe ICACLS.EXE PID 1624 wrote to memory of 4380 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 1624 wrote to memory of 4380 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 1624 wrote to memory of 4380 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 1624 wrote to memory of 3916 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 1624 wrote to memory of 3916 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe PID 1624 wrote to memory of 3916 1624 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe 516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\chrome_setup.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding B7AE79B0D7CCE2D15882E16946F589D52⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\." /SETINTEGRITYLEVEL (CI)(OI)HIGH3⤵
- Modifies file permissions
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C:\Windows\SysWOW64\EXPAND.EXE"C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files3⤵
- Drops file in Windows directory
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe"C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe"3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\." /SETINTEGRITYLEVEL (CI)(OI)LOW3⤵
- Modifies file permissions
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe"C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe"1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe"C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exeC:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -work worker0 job0-16243⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exeC:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exe -work worker1 job1-16243⤵
- Executes dropped EXE
- Enumerates connected drives
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\README.334cdd42.TXTFilesize
2KB
MD5cc9673216d53012c400856b86968c4a2
SHA180945bfdc6f2b30fd7b47e92ae762ab4ad792659
SHA2565dfc11166e6b0e978aa5b95aaf2a51733033379b7e7980f5fa1d42b6333cf9e0
SHA512f556026b31927923f385325adb493934e45750f401bf4787a0f0602f8309f520c967da72b9924f1872895718a5376eb8c433084496f5903670ad1e1d47cc4266
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files.cabFilesize
56KB
MD5f8ba117f135d10e3eb80472c1ec46469
SHA16c084a82bf4ebafde30c5b3182f83dcb66933671
SHA2569bc48ce1d31060a52f1f879fd140d96d60f60dd2d53d83efca323819b048b9f1
SHA5123985a44a1a0907153f1a1eeaf8e91dcf25c0f6f27abc70edbbe5922e281b70fd7c308df022200a35daf2044eb2323f101ded0a5f0f592aed2bd8a50de4f0e0fa
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\files\516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b-2022-04-20-15-57-51.exeFilesize
56KB
MD584c1567969b86089cc33dccf41562bcd
SHA153f2133cb25186e9fa6d4ea3b0e41eee5aba5ef2
SHA256516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b
SHA51272a411cacd503b6fadb15dc90f1f9beb79ff79c620df76da381e5c780c53e11258aae72db2848c241ec55af403d67d62340e429e86c23bbf8a71287738de7eaa
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\msiwrapper.iniFilesize
1KB
MD53a81bc471bc5aa8771b4d111bfa795f3
SHA119ffa97edd3c385092a14835e7e2712bee184b95
SHA256a65bf7b5f5767f2d0cf4704d2a9f222bd711c5a027d0ac2c29222f91b8957944
SHA51259c0c57fe1d210aa9473fe76d00820e97c3f0889e8dd91849be5a897af1e2b6eeddeddfcd35052a4657065bc58acf189b6dcc37457d7a7a1f52f5ff2f0e9d000
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\msiwrapper.iniFilesize
1KB
MD57ba7add749b3027a520fb6d8f678edae
SHA1e2038a73ea8ead34f52eff88299b5d927f5f6c1c
SHA256396132bf22366d127f3c901022a3a450ef9c68eca9483313128c27daccf2a198
SHA5126f03e314d07647448c495b314a3d43770cfdbd7493aaafbc8f4bbe769274e6b1fa5445c861cafbe904070bc8d0d976d26d9016d5c54c65ba9e69f2f74acb88fb
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C:\Users\Admin\AppData\Local\Temp\MW-8a5b1279-19e2-4631-b0e8-a81144eb43d6\msiwrapper.iniFilesize
1KB
MD5407728803acc59a626f20385e8381780
SHA16cfe1af5ba015e921faa28d08e1cbce26d8e4f38
SHA256234f9e60bd320978c1a4e64e6c03f0efde51d10662edec74d3475031c6715340
SHA512dfc363b75976c3679840d9c1c30ebc45e716afbae0a15bda7ff0fc1c50a6e4121fa77ea264ab0d924a0cfa176144b8a9c1546d033bb57cd2ba1df1c5e0b37d82
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C:\Windows\Installer\MSIA921.tmpFilesize
208KB
MD50c8921bbcc37c6efd34faf44cf3b0cb5
SHA1dcfa71246157edcd09eecaf9d4c5e360b24b3e49
SHA256fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1
SHA512ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108