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Analysis
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max time kernel
149s -
max time network
158s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
22/07/2023, 22:16
Static task
static1
General
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Target
973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe
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Size
4.2MB
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MD5
3d57ee338f600dc36a9d09fd128549b3
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SHA1
3e4590f5a439c833affb35add9707b0c4a6a46a1
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SHA256
973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a
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SHA512
32eaf0eda8ab5e3db3a070f3a30f6317dee4ba2e43c744aa6d946da18ba5404ec4bce414b3dc2f3f92e7cb60e3942d5aa47f48c2131aa6015f939144238e4484
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SSDEEP
98304:/Ng1CHugjIZ0jT38FApL1eDF4Lq/GbT62j1n3oZrON8cZ/:y1BgMZaT3rpBOUq/GbT62toZSN8Q/
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/2432-122-0x0000000004910000-0x00000000051FB000-memory.dmp family_glupteba behavioral1/memory/2432-123-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/2432-148-0x0000000004910000-0x00000000051FB000-memory.dmp family_glupteba behavioral1/memory/2432-189-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/2432-424-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/2432-425-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/2748-428-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/2748-454-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/2748-705-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/2748-1141-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/2748-1166-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1170-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1272-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1666-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1913-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1921-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1923-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1925-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1927-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1929-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1840-1931-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4384 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1840 csrss.exe 4436 injector.exe 3004 windefender.exe 2356 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001b023-1916.dat upx behavioral1/files/0x000700000001b023-1918.dat upx behavioral1/files/0x000700000001b023-1919.dat upx behavioral1/memory/3004-1920-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2356-1922-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2356-1926-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1766410430-2870137818-4067673745-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1766410430-2870137818-4067673745-1000\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 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 -
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 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe File created C:\Windows\rss\csrss.exe 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.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 2340 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 4820 schtasks.exe 4612 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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.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,-192 = "Mountain Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2340 powershell.exe 2340 powershell.exe 2340 powershell.exe 2432 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2432 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2316 powershell.exe 2316 powershell.exe 2316 powershell.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 4396 powershell.exe 4396 powershell.exe 4396 powershell.exe 3916 powershell.exe 3916 powershell.exe 3916 powershell.exe 3256 powershell.exe 3256 powershell.exe 3256 powershell.exe 5116 powershell.exe 5116 powershell.exe 5116 powershell.exe 720 powershell.exe 720 powershell.exe 720 powershell.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 1840 csrss.exe 1840 csrss.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 1840 csrss.exe 1840 csrss.exe 4436 injector.exe 4436 injector.exe 1840 csrss.exe 1840 csrss.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 2432 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Token: SeImpersonatePrivilege 2432 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 4396 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 3256 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 720 powershell.exe Token: SeSystemEnvironmentPrivilege 1840 csrss.exe Token: SeSecurityPrivilege 2340 sc.exe Token: SeSecurityPrivilege 2340 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2340 2432 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 71 PID 2432 wrote to memory of 2340 2432 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 71 PID 2432 wrote to memory of 2340 2432 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 71 PID 2748 wrote to memory of 2316 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 76 PID 2748 wrote to memory of 2316 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 76 PID 2748 wrote to memory of 2316 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 76 PID 2748 wrote to memory of 3244 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 78 PID 2748 wrote to memory of 3244 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 78 PID 3244 wrote to memory of 4384 3244 cmd.exe 80 PID 3244 wrote to memory of 4384 3244 cmd.exe 80 PID 2748 wrote to memory of 4396 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 81 PID 2748 wrote to memory of 4396 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 81 PID 2748 wrote to memory of 4396 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 81 PID 2748 wrote to memory of 3916 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 83 PID 2748 wrote to memory of 3916 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 83 PID 2748 wrote to memory of 3916 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 83 PID 2748 wrote to memory of 1840 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 85 PID 2748 wrote to memory of 1840 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 85 PID 2748 wrote to memory of 1840 2748 973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe 85 PID 1840 wrote to memory of 3256 1840 csrss.exe 86 PID 1840 wrote to memory of 3256 1840 csrss.exe 86 PID 1840 wrote to memory of 3256 1840 csrss.exe 86 PID 1840 wrote to memory of 5116 1840 csrss.exe 92 PID 1840 wrote to memory of 5116 1840 csrss.exe 92 PID 1840 wrote to memory of 5116 1840 csrss.exe 92 PID 1840 wrote to memory of 720 1840 csrss.exe 95 PID 1840 wrote to memory of 720 1840 csrss.exe 95 PID 1840 wrote to memory of 720 1840 csrss.exe 95 PID 1840 wrote to memory of 4436 1840 csrss.exe 97 PID 1840 wrote to memory of 4436 1840 csrss.exe 97 PID 3004 wrote to memory of 2428 3004 windefender.exe 104 PID 3004 wrote to memory of 2428 3004 windefender.exe 104 PID 3004 wrote to memory of 2428 3004 windefender.exe 104 PID 2428 wrote to memory of 2340 2428 cmd.exe 105 PID 2428 wrote to memory of 2340 2428 cmd.exe 105 PID 2428 wrote to memory of 2340 2428 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\973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe"C:\Users\Admin\AppData\Local\Temp\973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2340
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C:\Users\Admin\AppData\Local\Temp\973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.exe"C:\Users\Admin\AppData\Local\Temp\973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a.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:2748 -
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:2316
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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:3244 -
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:4384
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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:4396
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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:3916
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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:1840 -
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:3256
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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:4820
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:660
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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:5116
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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:720
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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:4436
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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:4612
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3004 -
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:2428 -
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:2340
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2356
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
MD53897d1d6419bb5efe6b35a26ebfb0e58
SHA1128c5b2d0a6a4f75a70f29a8cc89be62a026836f
SHA256a01fc516715191bc0c3227daaede959ccc0a259cc72b707ee54197eb3c1dae39
SHA5126385d8e0b2b499cb1c4237732348c4b186485aa96effe6178e95b24eb1d4d8091e21b31903b5b8411d9b7105aa255d091c5fde4a46c087b5f3c8b57bc852805a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5816c41c1a42a63dc4f4df188439b5611
SHA1ccaa66fbd4c10b839b1b986c7742503e810b24e0
SHA25605b31fb962d03221b98159ea5aa793bd75a7ff688dd922d8ca2fc1034b6dbd26
SHA512ecbb21c73d85bf2cc550f7d656c36b0f18e3b2ab4d9d41a3b99ac50410ce80cfc65b967616560b1ab0cfdd463b4c838d645286ee5a577d0162b1f17ae70b7df5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ef7ebc4a83ebca245f9372c51fea912d
SHA12f3f14449a7874ded93c329ae016c525884e3eb7
SHA2565b1a3d75afa398e81518fa4a69b1444f8cd82df6a776b6a004217957ba752268
SHA5120c1e4d91ae1f364a61ad650963484f1ff85198dcb4cc79195485eb147108600295e38bdb54a8331df7d6734b617c1ff302c0432f601d4ef3b8877d80a8b53f3c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5f481062ff5bfb8ba0456939e21219c7a
SHA1cae678000825606c97f430cb5f1e7c6f768a8872
SHA256fdd8f7b138e73e5260847a65fef305b18524c7bad7299062f8d341df011d029d
SHA5127fb7858b388d097cf244f07102c16e10bdaca46f58b4cf0eff0f786ebbc6bdf8d262adc4b92d6d4c5137c6a1e5e4a7c1bde593c6ae84b5a02d9d9ceefd1bc7db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD537ceb1115a6ea06db701a56ab2769854
SHA12ab1886b9b49b705fe4336951bc9b15d06811497
SHA2561935da3a179ef3922569161045f275b771a96be06017326ab1afbf38ad00aeb6
SHA512e8c40fb55f7f0c95ce8792a81059e8939a58052a456ad36c93d91df79a6ba60bb6fe5959fd81992cbe3b35d49b482291db595afab54f363fb23ecabb6f9444e1
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Filesize
4.2MB
MD53d57ee338f600dc36a9d09fd128549b3
SHA13e4590f5a439c833affb35add9707b0c4a6a46a1
SHA256973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a
SHA51232eaf0eda8ab5e3db3a070f3a30f6317dee4ba2e43c744aa6d946da18ba5404ec4bce414b3dc2f3f92e7cb60e3942d5aa47f48c2131aa6015f939144238e4484
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Filesize
4.2MB
MD53d57ee338f600dc36a9d09fd128549b3
SHA13e4590f5a439c833affb35add9707b0c4a6a46a1
SHA256973243366f5d2ec8222bdc9c7a1411bb6d1e53cca743d53b043594102d1a520a
SHA51232eaf0eda8ab5e3db3a070f3a30f6317dee4ba2e43c744aa6d946da18ba5404ec4bce414b3dc2f3f92e7cb60e3942d5aa47f48c2131aa6015f939144238e4484
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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