Analysis
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max time kernel
177s -
max time network
189s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
13/10/2023, 15:20
Static task
static1
General
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Target
38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe
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Size
4.1MB
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MD5
93e1aa8028a9a10c76f06a2bc831c2fc
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SHA1
7e82e0d2e39bb101581e3b289dc0664d1adbd178
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SHA256
38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f
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SHA512
aa84a902cd96e442eda6e7578bee6099ced154402ee72f444db57a2e493ca11b83db3747e677c88510d799c66f54ce1810797de8a57874c98142f6e482ff5d34
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SSDEEP
98304:2fCcvJsi+WPKy/YJdqu91/oBtT4Oxvag9d3FmYx7inZGPjx:2qcOi+WZ7SctBi8VFFx7GGbx
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2916-2-0x0000000005090000-0x000000000597B000-memory.dmp family_glupteba behavioral1/memory/2916-3-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2916-28-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2916-48-0x0000000005090000-0x000000000597B000-memory.dmp family_glupteba behavioral1/memory/2916-294-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2916-305-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/5020-308-0x0000000005100000-0x00000000059EB000-memory.dmp family_glupteba behavioral1/memory/5020-309-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/5020-346-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/5020-589-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/5020-1052-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1058-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1308-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1656-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1807-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1814-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1817-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1819-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1821-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1164-1823-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1012 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1164 csrss.exe 1336 injector.exe 2524 windefender.exe 4624 windefender.exe -
resource yara_rule behavioral1/files/0x000600000001af89-1810.dat upx behavioral1/files/0x000600000001af89-1812.dat upx behavioral1/files/0x000600000001af89-1813.dat upx behavioral1/memory/2524-1815-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4624-1818-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4624-1824-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1894964180-3551943068-3090682958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1894964180-3551943068-3090682958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.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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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe File created C:\Windows\rss\csrss.exe 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2860 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4572 schtasks.exe 3556 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 956 powershell.exe 956 powershell.exe 956 powershell.exe 2916 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 2916 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 804 powershell.exe 804 powershell.exe 804 powershell.exe 1896 powershell.exe 1896 powershell.exe 1896 powershell.exe 1796 powershell.exe 1796 powershell.exe 1796 powershell.exe 292 powershell.exe 292 powershell.exe 292 powershell.exe 3820 powershell.exe 3820 powershell.exe 3820 powershell.exe 1336 injector.exe 1336 injector.exe 1164 csrss.exe 1164 csrss.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1164 csrss.exe 1164 csrss.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1164 csrss.exe 1164 csrss.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe 1336 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 956 powershell.exe Token: SeDebugPrivilege 2916 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Token: SeImpersonatePrivilege 2916 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 804 powershell.exe Token: SeDebugPrivilege 1896 powershell.exe Token: SeDebugPrivilege 1796 powershell.exe Token: SeDebugPrivilege 292 powershell.exe Token: SeDebugPrivilege 3820 powershell.exe Token: SeSystemEnvironmentPrivilege 1164 csrss.exe Token: SeSecurityPrivilege 2860 sc.exe Token: SeSecurityPrivilege 2860 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2916 wrote to memory of 956 2916 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 71 PID 2916 wrote to memory of 956 2916 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 71 PID 2916 wrote to memory of 956 2916 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 71 PID 5020 wrote to memory of 2364 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 76 PID 5020 wrote to memory of 2364 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 76 PID 5020 wrote to memory of 2364 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 76 PID 5020 wrote to memory of 792 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 78 PID 5020 wrote to memory of 792 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 78 PID 792 wrote to memory of 1012 792 cmd.exe 80 PID 792 wrote to memory of 1012 792 cmd.exe 80 PID 5020 wrote to memory of 804 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 81 PID 5020 wrote to memory of 804 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 81 PID 5020 wrote to memory of 804 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 81 PID 5020 wrote to memory of 1896 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 83 PID 5020 wrote to memory of 1896 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 83 PID 5020 wrote to memory of 1896 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 83 PID 5020 wrote to memory of 1164 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 85 PID 5020 wrote to memory of 1164 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 85 PID 5020 wrote to memory of 1164 5020 38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe 85 PID 1164 wrote to memory of 1796 1164 csrss.exe 86 PID 1164 wrote to memory of 1796 1164 csrss.exe 86 PID 1164 wrote to memory of 1796 1164 csrss.exe 86 PID 1164 wrote to memory of 292 1164 csrss.exe 94 PID 1164 wrote to memory of 292 1164 csrss.exe 94 PID 1164 wrote to memory of 292 1164 csrss.exe 94 PID 1164 wrote to memory of 3820 1164 csrss.exe 95 PID 1164 wrote to memory of 3820 1164 csrss.exe 95 PID 1164 wrote to memory of 3820 1164 csrss.exe 95 PID 1164 wrote to memory of 1336 1164 csrss.exe 97 PID 1164 wrote to memory of 1336 1164 csrss.exe 97 PID 2524 wrote to memory of 4268 2524 windefender.exe 104 PID 2524 wrote to memory of 4268 2524 windefender.exe 104 PID 2524 wrote to memory of 4268 2524 windefender.exe 104 PID 4268 wrote to memory of 2860 4268 cmd.exe 105 PID 4268 wrote to memory of 2860 4268 cmd.exe 105 PID 4268 wrote to memory of 2860 4268 cmd.exe 105 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe"C:\Users\Admin\AppData\Local\Temp\38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:956
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C:\Users\Admin\AppData\Local\Temp\38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe"C:\Users\Admin\AppData\Local\Temp\38587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f.exe"2⤵
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364
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C:\Windows\System32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1012
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:804
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1896
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1796
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4568
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:292
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3820
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1336
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3556
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:2860
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4624
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e947ef0ab4eed71aa93ff452a97116e0
SHA1940fb1c83a1ef6031f2a2de3c30b897d254196dc
SHA256af96a3bf023c77ca67bcd8ec91ea6e46e12db494c39462dc0bda68e216faa890
SHA512ba3f4dd804b034cad68beea1c4585b7469a4cc3e5d7619a23eb56cc5eeba2c9641f79047e178eb593e0d204c97f0c3ff7cda7a12eb745238ba7394d43b11a354
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD59ca39cd20973c8d7c4b400c6af27389a
SHA19f7ee2e3094aaaa420e2245bad54d14c1f3c8b8e
SHA256d0a6dee25e7d4142be9bb48947b82520c85b02146adf179d915c2c35689db713
SHA512b367170056ad8e8913ba581c8a1a9b53fb8de34e10892e11e01219c9690291346946be3ca0094b15517004a041b4f2a8f3e985850acd38ebb1853078e29316d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD55f446aa4c3c264c6d182556b11c9718f
SHA116b9bc18032d6042a94891d2a8bfe6126f6ecd96
SHA256591ceaeae623bc142b08facf5a908e9b95ddcb4fce05a365abcf8d9cc6abf737
SHA512110986a9003480978c3bd53a68013b6eb4d8611d9753602cca48c7f7f118e8bb8e3fa5b20ebd1cfb560ba113e6a0d48a253bfa5af76df5811ba0d6124c8c7210
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD580c370efdbce1006daf2fc66e632cbcb
SHA10768187d739a65b2f7e383feedfa76c9e8720e04
SHA2566f9210ce9a77f86b77080e148536d9f75943c5575e0112e24a4f99f60115c4cd
SHA512ce1f02a18ec7fd4fd57518fb34b49149a83b12c295a2a6b3fbf35699d2f6e7a95525cd8ddb06e38431c4e1f4455b3058aa6745470f8e6c8423ce11a93ef662ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ff506617cc98db12115d7c7aa47aa582
SHA12ce9668276e81d85bc697c9a920fed99b590c5d8
SHA256b3545d1d90a24555779851863e2fefcadfd95f8e98f4c9771af89bcd74c4eba9
SHA512c30098c4f54b3b9caa18b9bbf807683f0a784a5e90faf99b458eac435852f83081a4508960c30e748869b6ba009e10518b38e35d22e141795af0e3b67983f018
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Filesize
4.1MB
MD593e1aa8028a9a10c76f06a2bc831c2fc
SHA17e82e0d2e39bb101581e3b289dc0664d1adbd178
SHA25638587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f
SHA512aa84a902cd96e442eda6e7578bee6099ced154402ee72f444db57a2e493ca11b83db3747e677c88510d799c66f54ce1810797de8a57874c98142f6e482ff5d34
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Filesize
4.1MB
MD593e1aa8028a9a10c76f06a2bc831c2fc
SHA17e82e0d2e39bb101581e3b289dc0664d1adbd178
SHA25638587ff59f3eade8faec0d963da7e4b7cbaf6507791a80d124c70493b7ccd49f
SHA512aa84a902cd96e442eda6e7578bee6099ced154402ee72f444db57a2e493ca11b83db3747e677c88510d799c66f54ce1810797de8a57874c98142f6e482ff5d34
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec