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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
12/10/2023, 13:42
Static task
static1
General
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Target
df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe
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Size
4.2MB
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MD5
097f16fde04126d32d8a8d75218a3f4c
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SHA1
5b79bacfd68fe7b16e620a188894831c4973579b
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SHA256
df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c
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SHA512
c8c67b09d6c630b76e0e7cceab5b61057ed9f7a823e57e6bafbe5965ddb7e0915affdf265ecf3d85b917beb66819129fb6a7e09b5b2ef7541b83f19df65e7a2b
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SSDEEP
98304:xXHZjZRIQT34ichDFfTBHND4MT20Xa5qaK0T+mPLAOd:V5jZRImoichDFFRU1+ALt
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/3928-2-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/3928-3-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/3928-67-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/3928-70-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/3928-303-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/3928-304-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/1332-307-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/1332-562-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/1332-578-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/1332-1048-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1052-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1327-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1799-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1808-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1810-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1812-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1814-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1816-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1818-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1820-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba behavioral1/memory/4872-1822-0x0000000000400000-0x0000000002666000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4976 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4872 csrss.exe 4436 injector.exe 4512 windefender.exe 5028 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001b008-1802.dat upx behavioral1/files/0x000700000001b008-1804.dat upx behavioral1/files/0x000700000001b008-1805.dat upx behavioral1/memory/4512-1807-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5028-1809-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5028-1813-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-844837608-3875958368-2945961404-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\S-1-5-21-844837608-3875958368-2945961404-1000\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 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 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 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3184 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 4108 schtasks.exe 1524 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-435 = "Georgian Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.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,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM netsh.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,-1912 = "Russia TZ 10 Standard 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" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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,-772 = "Montevideo Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-622 = "Korea 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" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.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" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.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 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,-1802 = "Line Islands Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.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,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-372 = "Jerusalem Standard 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" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.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" df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1372 powershell.exe 1372 powershell.exe 1372 powershell.exe 3928 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 3928 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 4340 powershell.exe 4340 powershell.exe 4340 powershell.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 1924 powershell.exe 1924 powershell.exe 1924 powershell.exe 2340 powershell.exe 2340 powershell.exe 2340 powershell.exe 5068 powershell.exe 5068 powershell.exe 5068 powershell.exe 3584 powershell.exe 3584 powershell.exe 3584 powershell.exe 2720 powershell.exe 2720 powershell.exe 2720 powershell.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4872 csrss.exe 4436 injector.exe 4872 csrss.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4872 csrss.exe 4872 csrss.exe 4436 injector.exe 4436 injector.exe 4872 csrss.exe 4872 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 1372 powershell.exe Token: SeDebugPrivilege 3928 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Token: SeImpersonatePrivilege 3928 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 3584 powershell.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeSystemEnvironmentPrivilege 4872 csrss.exe Token: SeSecurityPrivilege 3184 sc.exe Token: SeSecurityPrivilege 3184 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3928 wrote to memory of 1372 3928 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 71 PID 3928 wrote to memory of 1372 3928 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 71 PID 3928 wrote to memory of 1372 3928 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 71 PID 1332 wrote to memory of 4340 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 76 PID 1332 wrote to memory of 4340 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 76 PID 1332 wrote to memory of 4340 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 76 PID 1332 wrote to memory of 3096 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 79 PID 1332 wrote to memory of 3096 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 79 PID 3096 wrote to memory of 4976 3096 cmd.exe 80 PID 3096 wrote to memory of 4976 3096 cmd.exe 80 PID 1332 wrote to memory of 1924 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 82 PID 1332 wrote to memory of 1924 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 82 PID 1332 wrote to memory of 1924 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 82 PID 1332 wrote to memory of 2340 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 83 PID 1332 wrote to memory of 2340 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 83 PID 1332 wrote to memory of 2340 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 83 PID 1332 wrote to memory of 4872 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 85 PID 1332 wrote to memory of 4872 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 85 PID 1332 wrote to memory of 4872 1332 df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe 85 PID 4872 wrote to memory of 5068 4872 csrss.exe 86 PID 4872 wrote to memory of 5068 4872 csrss.exe 86 PID 4872 wrote to memory of 5068 4872 csrss.exe 86 PID 4872 wrote to memory of 3584 4872 csrss.exe 92 PID 4872 wrote to memory of 3584 4872 csrss.exe 92 PID 4872 wrote to memory of 3584 4872 csrss.exe 92 PID 4872 wrote to memory of 2720 4872 csrss.exe 95 PID 4872 wrote to memory of 2720 4872 csrss.exe 95 PID 4872 wrote to memory of 2720 4872 csrss.exe 95 PID 4872 wrote to memory of 4436 4872 csrss.exe 97 PID 4872 wrote to memory of 4436 4872 csrss.exe 97 PID 4512 wrote to memory of 2216 4512 windefender.exe 104 PID 4512 wrote to memory of 2216 4512 windefender.exe 104 PID 4512 wrote to memory of 2216 4512 windefender.exe 104 PID 2216 wrote to memory of 3184 2216 cmd.exe 105 PID 2216 wrote to memory of 3184 2216 cmd.exe 105 PID 2216 wrote to memory of 3184 2216 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\df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe"C:\Users\Admin\AppData\Local\Temp\df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1372
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C:\Users\Admin\AppData\Local\Temp\df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.exe"C:\Users\Admin\AppData\Local\Temp\df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c.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:1332 -
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:4340
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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:3096 -
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
- Modifies data under HKEY_USERS
PID:4976
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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:1924
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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:2340
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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:4872 -
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:5068
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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:4108
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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:3584
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2836
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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:2720
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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:1524
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4512 -
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:2216 -
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:3184
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5028
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
MD536c1e02a4bc0c1210a6298120664cbe2
SHA1a37592f69cd5527b08741f6afa264d98830aaf4e
SHA2563f1e67a14a508d46a4e3376e4fecffa7c891cad97727baf2846a3e6825cb6581
SHA512a6e1daca51941e1f9b4ae5af76a7dc368ad087db8d07f990f027d67adb7841484bfa5ba9bb7d4bd9c9fac357680065c08ee91908399b0935e97835c25fd72b90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD560a76ef505d6758b33a71a29862d2be4
SHA1eb8df66adad6926e14906740ff393c3276c0c634
SHA25600848720973b9eee4d56ffadb10ea416ed5dd9bb32d208eb4c4db38f91c2c67c
SHA512b5a5b23434e511d16ce1d33553190dce0f774daee289ffbf0f8ad0ce550913fb1dc8a97b4a8ea72679ecd4ce3ed4f47b09ddb8f9078e87ada111c7e605c73c61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD591648c3f8124342bef60c3eb85e7d5bf
SHA107bbcd9e666dac3a4ed9600e866f867620cd0d5e
SHA256786aa2eba739e9d661fc5037d640830ee8857221396ce3e61b7e9ce25b57fbc8
SHA5124ebf3029d4a139cdef25a17623dea00100c139da5224939bd43e79977cec8ec3e93e653d9e5e8329e360467d9e3e0af1effe6f737bfca609c004de590f5b485d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d1dbea38e17b6a12c87b004aef7ac9fe
SHA1965910a675dbaeebb48a3c8bac38646805c84261
SHA256c04d89a4073d1bc6a42298a099e146c2bb930a3595e108a283539485026acba4
SHA512f0c497513892a03a053d3fcd19989ce414e65b008eaec31df2d8be0e14c84696e518f2f52a0c140c369d432c42b3b4aceae8496905209a2f4e03613b374013e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52cb53250e24dbebb210721ef746df863
SHA156873d1d521c7c4aab91c640a01f81c4e7d1a1db
SHA256e9ccb20d840a475b53563c90b85d54795f7e5ce9d3d208e41e84d54cb541a3eb
SHA5123c5e854d86349883009cf06a08a629499c0a75dce86fdcc4d96bc96e7c5aa499f7c31f108575e4248087ba3c5bf85a288a826319c3db5ec3e75af87ae61f2986
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Filesize
4.2MB
MD5097f16fde04126d32d8a8d75218a3f4c
SHA15b79bacfd68fe7b16e620a188894831c4973579b
SHA256df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c
SHA512c8c67b09d6c630b76e0e7cceab5b61057ed9f7a823e57e6bafbe5965ddb7e0915affdf265ecf3d85b917beb66819129fb6a7e09b5b2ef7541b83f19df65e7a2b
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Filesize
4.2MB
MD5097f16fde04126d32d8a8d75218a3f4c
SHA15b79bacfd68fe7b16e620a188894831c4973579b
SHA256df0c256aebb7ac4670063823e079b09730740ca9ae56bcb2038f4d7c1654369c
SHA512c8c67b09d6c630b76e0e7cceab5b61057ed9f7a823e57e6bafbe5965ddb7e0915affdf265ecf3d85b917beb66819129fb6a7e09b5b2ef7541b83f19df65e7a2b
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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