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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
16/08/2023, 05:06
Static task
static1
General
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Target
ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe
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Size
4.1MB
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MD5
ce18ba3e484af5294211240c2843e3c4
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SHA1
7a657723139139882ec26dcbf8a3f7b3cd6ca40f
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SHA256
ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107
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SHA512
aa15ce7e29e40c4c42b2072adc9519afe0a0c6232a623c8443dabed4176b68dd069a2b765dce7bf560a2c4999170fb1e298242266151418da1ba1ec07c792a5b
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SSDEEP
98304:hRrvd/BIHvov8Wps9fPblwPKsmsI+lnIGuklmrTZtjBs:xaQw0KsmstlIdklwtVs
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/4524-119-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral1/memory/4524-120-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4524-154-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral1/memory/4524-188-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4524-189-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4524-418-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4524-421-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/2412-424-0x00000000046F0000-0x0000000004FDB000-memory.dmp family_glupteba behavioral1/memory/2412-425-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/2412-456-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/2412-814-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/2412-1162-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1167-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1200-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1679-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1907-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1916-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1918-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1920-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1922-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1924-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba behavioral1/memory/4988-1926-0x0000000000400000-0x00000000026CD000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1756 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4988 csrss.exe 4572 injector.exe 4648 windefender.exe 4008 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001afac-1910.dat upx behavioral1/files/0x000700000001afac-1912.dat upx behavioral1/files/0x000700000001afac-1913.dat upx behavioral1/memory/4648-1915-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4008-1917-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4008-1921-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2767205360-3565838719-3800013281-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\S-1-5-21-2767205360-3565838719-3800013281-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
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 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 -
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 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe File created C:\Windows\rss\csrss.exe ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.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 3996 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 4164 schtasks.exe 1924 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.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,-341 = "Egypt 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\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.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" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1472 = "Magadan 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)" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-142 = "Canada Central Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-1872 = "Russia TZ 7 Standard Time" windefender.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" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\@tzres.dll,-1832 = "Russia TZ 2 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" ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2872 powershell.exe 2872 powershell.exe 2872 powershell.exe 4524 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 4524 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2664 powershell.exe 2664 powershell.exe 2664 powershell.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 1384 powershell.exe 1384 powershell.exe 1384 powershell.exe 3312 powershell.exe 3312 powershell.exe 3312 powershell.exe 3276 powershell.exe 3276 powershell.exe 3276 powershell.exe 2044 powershell.exe 2044 powershell.exe 2044 powershell.exe 3592 powershell.exe 3592 powershell.exe 3592 powershell.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4988 csrss.exe 4988 csrss.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4988 csrss.exe 4988 csrss.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4988 csrss.exe 4988 csrss.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 4524 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Token: SeImpersonatePrivilege 4524 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeDebugPrivilege 3312 powershell.exe Token: SeDebugPrivilege 3276 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 3592 powershell.exe Token: SeSystemEnvironmentPrivilege 4988 csrss.exe Token: SeSecurityPrivilege 3996 sc.exe Token: SeSecurityPrivilege 3996 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4524 wrote to memory of 2872 4524 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 71 PID 4524 wrote to memory of 2872 4524 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 71 PID 4524 wrote to memory of 2872 4524 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 71 PID 2412 wrote to memory of 2664 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 76 PID 2412 wrote to memory of 2664 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 76 PID 2412 wrote to memory of 2664 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 76 PID 2412 wrote to memory of 1948 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 78 PID 2412 wrote to memory of 1948 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 78 PID 1948 wrote to memory of 1756 1948 cmd.exe 80 PID 1948 wrote to memory of 1756 1948 cmd.exe 80 PID 2412 wrote to memory of 1384 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 81 PID 2412 wrote to memory of 1384 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 81 PID 2412 wrote to memory of 1384 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 81 PID 2412 wrote to memory of 3312 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 83 PID 2412 wrote to memory of 3312 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 83 PID 2412 wrote to memory of 3312 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 83 PID 2412 wrote to memory of 4988 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 85 PID 2412 wrote to memory of 4988 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 85 PID 2412 wrote to memory of 4988 2412 ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe 85 PID 4988 wrote to memory of 3276 4988 csrss.exe 86 PID 4988 wrote to memory of 3276 4988 csrss.exe 86 PID 4988 wrote to memory of 3276 4988 csrss.exe 86 PID 4988 wrote to memory of 2044 4988 csrss.exe 93 PID 4988 wrote to memory of 2044 4988 csrss.exe 93 PID 4988 wrote to memory of 2044 4988 csrss.exe 93 PID 4988 wrote to memory of 3592 4988 csrss.exe 95 PID 4988 wrote to memory of 3592 4988 csrss.exe 95 PID 4988 wrote to memory of 3592 4988 csrss.exe 95 PID 4988 wrote to memory of 4572 4988 csrss.exe 97 PID 4988 wrote to memory of 4572 4988 csrss.exe 97 PID 4648 wrote to memory of 4940 4648 windefender.exe 104 PID 4648 wrote to memory of 4940 4648 windefender.exe 104 PID 4648 wrote to memory of 4940 4648 windefender.exe 104 PID 4940 wrote to memory of 3996 4940 cmd.exe 105 PID 4940 wrote to memory of 3996 4940 cmd.exe 105 PID 4940 wrote to memory of 3996 4940 cmd.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe"C:\Users\Admin\AppData\Local\Temp\ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2872
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C:\Users\Admin\AppData\Local\Temp\ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.exe"C:\Users\Admin\AppData\Local\Temp\ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107.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:2412 -
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:2664
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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:1948 -
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:1756
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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:1384
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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:3312
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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:4988 -
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:3276
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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:4164
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4808
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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:2044
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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:3592
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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:4572
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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:1924
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4648 -
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:4940 -
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:3996
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4008
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5fbc7a05bc9f5408ee16d521d08629939
SHA1f08d86dcb38ad5c6cc5cf7ef876ef85cf0f49ccb
SHA25600c6fdf789a22f529c025256743946a58a1878f9f1fbc8f7b5d2c630bc58ac85
SHA51292cc3b6367965cfa9663fcd9114f0b1b512a87145544887f8d0f15bf2291b804ae180714ebd49a135f8b42eab4584f2bba9d02dfcbf4eefb40ab001cf960ad98
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5bea88f5d2dc8be827ec3a7398efe12ed
SHA1d3281b35983d74393cfd7e39b0e070d5270f32bf
SHA2566e5d3b9d241cf72a951e654ec86db15673c4d03caebd4707847c169186778414
SHA512dab7e2ef475b205b47d6b564bc04f67b5737453175eb47873e05e20157c936162e410e93dadd9b9ab098d7a311e1bd235f6009ab4c01e2cc7bb6a9705debed43
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD525158602b7ed638c00be72dfc6d8668a
SHA1033760eb64c36944204f6651abcb249e071e6445
SHA2564049d96dc9127a206300b44152e2d1525d3f8983539ecb79d1141917ce7bbcec
SHA5122d9881d92085cf5a25a1b2d42952b56d8ba1b3dc279c11f3b030d19bbbb8ce00584f1824b4ebc33a9409e388df89820b4cc37180846b0ae2bc6d73e53f17f229
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD56b0151da3fccdc816cb02dc3f695f13d
SHA1e083e734843e0d3dd69a0a510daa46b9c02c714e
SHA256577dc0cd5ead63f82563dd4e13e3d5bb6b4d5a0462d2e9096a6431a40decf447
SHA512aaaa48aa40a1975496cd8bae3eb5fe66ab563a25f4d165cac7fa5328bdf0828ec583f17e6c339a518faf65f87315b928b516ac35f69c200e3d99154c5df3b1b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50e5466d637a27da67f14263948b8d024
SHA1488a8453b911197b062623c7ac040ae81a36549f
SHA25613b4e9cb0a1818cc24dcfb5e41b77b190be1acc9642f6be779ee94b60d25c38c
SHA512df2e27310476fcd0bb049225e3a146151c7b50fa0de56a33a9972dce2fa47d3e399c6b131c0fe481a2618d8786e5aef5c8d536356b5fee790c91bb5c10162af1
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Filesize
4.1MB
MD5ce18ba3e484af5294211240c2843e3c4
SHA17a657723139139882ec26dcbf8a3f7b3cd6ca40f
SHA256ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107
SHA512aa15ce7e29e40c4c42b2072adc9519afe0a0c6232a623c8443dabed4176b68dd069a2b765dce7bf560a2c4999170fb1e298242266151418da1ba1ec07c792a5b
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Filesize
4.1MB
MD5ce18ba3e484af5294211240c2843e3c4
SHA17a657723139139882ec26dcbf8a3f7b3cd6ca40f
SHA256ca57f601551f31dc093b52290e9b673fdb803beb2933e50c55555ba804f96107
SHA512aa15ce7e29e40c4c42b2072adc9519afe0a0c6232a623c8443dabed4176b68dd069a2b765dce7bf560a2c4999170fb1e298242266151418da1ba1ec07c792a5b
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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