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Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
08/10/2023, 21:06
Static task
static1
General
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Target
7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe
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Size
4.2MB
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MD5
43d01b668473928f7c78638001ed0408
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SHA1
4a962ac10e905bddaa7814f147309f97be222eb8
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SHA256
7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c
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SHA512
430572460744103c40ae78888aa79dcc7ca74fed76a02f0bbaee206b7b8dde23270bfad8aa0af55570d9b1ca72f458cfe34747559f123928d19f4164d1bec8e9
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SSDEEP
98304:5M3vyV5yNb8K4yyDHFhv9KEqi+0uMyvOrcdBtr:5uqVkb8ByUv9fjCic5
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/2456-2-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral1/memory/2456-3-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2456-17-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral1/memory/2456-28-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2456-301-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2456-304-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4288-307-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4288-331-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4288-564-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4288-838-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4288-1056-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1060-0x0000000004F00000-0x00000000057EB000-memory.dmp family_glupteba behavioral1/memory/4604-1061-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1200-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1548-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1808-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1817-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1819-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1821-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1823-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1825-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/4604-1827-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2948 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4604 csrss.exe 1412 injector.exe 2440 windefender.exe 2128 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001b03a-1811.dat upx behavioral1/files/0x000700000001b03a-1813.dat upx behavioral1/files/0x000700000001b03a-1814.dat upx behavioral1/memory/2440-1816-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2128-1818-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2128-1822-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\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 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 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 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe File created C:\Windows\rss\csrss.exe 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.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 2396 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 424 schtasks.exe 5060 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\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.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,-662 = "Cen. Australia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4872 powershell.exe 4872 powershell.exe 4872 powershell.exe 2456 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 2456 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 3432 powershell.exe 3432 powershell.exe 3432 powershell.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 3572 powershell.exe 3572 powershell.exe 3572 powershell.exe 1044 powershell.exe 1044 powershell.exe 1044 powershell.exe 1880 powershell.exe 1880 powershell.exe 1880 powershell.exe 4236 powershell.exe 4236 powershell.exe 4236 powershell.exe 3492 powershell.exe 3492 powershell.exe 3492 powershell.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 4604 csrss.exe 4604 csrss.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 4604 csrss.exe 4604 csrss.exe 1412 injector.exe 1412 injector.exe 4604 csrss.exe 4604 csrss.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4872 powershell.exe Token: SeDebugPrivilege 2456 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Token: SeImpersonatePrivilege 2456 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 1044 powershell.exe Token: SeDebugPrivilege 1880 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeSystemEnvironmentPrivilege 4604 csrss.exe Token: SeSecurityPrivilege 2396 sc.exe Token: SeSecurityPrivilege 2396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2456 wrote to memory of 4872 2456 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 71 PID 2456 wrote to memory of 4872 2456 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 71 PID 2456 wrote to memory of 4872 2456 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 71 PID 4288 wrote to memory of 3432 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 76 PID 4288 wrote to memory of 3432 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 76 PID 4288 wrote to memory of 3432 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 76 PID 4288 wrote to memory of 1740 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 78 PID 4288 wrote to memory of 1740 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 78 PID 1740 wrote to memory of 2948 1740 cmd.exe 80 PID 1740 wrote to memory of 2948 1740 cmd.exe 80 PID 4288 wrote to memory of 3572 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 81 PID 4288 wrote to memory of 3572 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 81 PID 4288 wrote to memory of 3572 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 81 PID 4288 wrote to memory of 1044 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 83 PID 4288 wrote to memory of 1044 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 83 PID 4288 wrote to memory of 1044 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 83 PID 4288 wrote to memory of 4604 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 85 PID 4288 wrote to memory of 4604 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 85 PID 4288 wrote to memory of 4604 4288 7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe 85 PID 4604 wrote to memory of 1880 4604 csrss.exe 86 PID 4604 wrote to memory of 1880 4604 csrss.exe 86 PID 4604 wrote to memory of 1880 4604 csrss.exe 86 PID 4604 wrote to memory of 4236 4604 csrss.exe 93 PID 4604 wrote to memory of 4236 4604 csrss.exe 93 PID 4604 wrote to memory of 4236 4604 csrss.exe 93 PID 4604 wrote to memory of 3492 4604 csrss.exe 95 PID 4604 wrote to memory of 3492 4604 csrss.exe 95 PID 4604 wrote to memory of 3492 4604 csrss.exe 95 PID 4604 wrote to memory of 1412 4604 csrss.exe 97 PID 4604 wrote to memory of 1412 4604 csrss.exe 97 PID 2440 wrote to memory of 3800 2440 windefender.exe 104 PID 2440 wrote to memory of 3800 2440 windefender.exe 104 PID 2440 wrote to memory of 3800 2440 windefender.exe 104 PID 3800 wrote to memory of 2396 3800 cmd.exe 105 PID 3800 wrote to memory of 2396 3800 cmd.exe 105 PID 3800 wrote to memory of 2396 3800 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\7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe"C:\Users\Admin\AppData\Local\Temp\7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4872
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C:\Users\Admin\AppData\Local\Temp\7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.exe"C:\Users\Admin\AppData\Local\Temp\7dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c.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:4288 -
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:3432
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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:1740 -
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:2948
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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:3572
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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:1044
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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:4604 -
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:1880
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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:5060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4176
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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:4236
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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:3492
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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:1412
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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:424
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2440 -
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:3800 -
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:2396
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2128
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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58a6326765409942712609f7e786fb910
SHA153c447de28d050594e50831a214d2b9130ddbf47
SHA256e1ee5e48d748c768777a2842257512d5fec3b8a9acee10e5168d435078a0d268
SHA5126f484f0b3a4bf9ede80a568dd48ab32df66c4a3fff2c8605d19021c8d83ca4c0a6cd25133c7fdfe9d66bf7c852da6792faf732cb06c0d8f287d53a8fbcb56e6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b8ff9b2b96149626a99e97a184169bda
SHA11196472533ea1fba01a9e08700f4fc5a261f4897
SHA256e60356b65f3044d92bcdf5749faf4e151d003f40a822fbb5c95f50dd96f6c54c
SHA5126b64b2b6f32a75a508e933f7e809415aaa4c68f55191871016ed0e0cf41ce916c15824dc77fb3345da85699bf052bce946543d6a3c6417a83c2bccb1dd8e0bf1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD51ba28bb399e52b9bab7bd56b7a32390a
SHA15676fc8f76d8aae2ebfd0dff6339a18cc17b61f0
SHA256b025fc57438159283834d1cc7de6c0612a79a5fc58f9cb9dc8f1f054317bedfb
SHA5128f67fd6041195ede378fa579092582b00b34bec7e96838f51a2f400b00a309aaaef74265e8b08d52fb0c8c3ef184c0bd39630217b60611b6573b8bd2aaccc667
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57082f5f91f34f32674b905f6dd692b9d
SHA1b06f49e281e435c3038f9258e2883fccd524a2ab
SHA25667683a0aaa6ff075293f4d4b70840570e75892c32216d3de519352c181c21da4
SHA5126153ae19231a6eaf6295327df55c70f0688bc87da173b2cfa156f0a12acc84e1df49c9d8d7713f62075b06863f0e34930352bdb62113320472b4b6f78f85dbd2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52da07dda449b7b18bc5b1943ce196da2
SHA1cbf6e2408a8ad0cd91704ccaa887c06a7a55644c
SHA256a12c9c6f19e74ea3fd81bd3249b5dc47bfa3d845a6573dd5d8e221e06b627367
SHA51260d2234a58891ea2d853b868cc78cc9d392221ba064dcc995ec992232c516488bb0c9ac7d8d7e7f7e45859fe856d5b198a6aab5db65cf4f07705e7fe69534828
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Filesize
4.2MB
MD543d01b668473928f7c78638001ed0408
SHA14a962ac10e905bddaa7814f147309f97be222eb8
SHA2567dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c
SHA512430572460744103c40ae78888aa79dcc7ca74fed76a02f0bbaee206b7b8dde23270bfad8aa0af55570d9b1ca72f458cfe34747559f123928d19f4164d1bec8e9
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Filesize
4.2MB
MD543d01b668473928f7c78638001ed0408
SHA14a962ac10e905bddaa7814f147309f97be222eb8
SHA2567dd75b411f7cec9aef9456fe825a292c0eccb26dd7d32cbe7595879208e9254c
SHA512430572460744103c40ae78888aa79dcc7ca74fed76a02f0bbaee206b7b8dde23270bfad8aa0af55570d9b1ca72f458cfe34747559f123928d19f4164d1bec8e9
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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