Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
18-08-2023 23:40
Static task
static1
General
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Target
0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe
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Size
4.1MB
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MD5
59bad90b34f65664cdb22fa0306c1058
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SHA1
b623971f4840786bc6492b011944b889bc6e468c
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SHA256
0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037
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SHA512
d43bb90f2d8abfa148e2d1c36d396947e1eaeb019baaff582d7e4ad76399ea1ffca4dd9838f6fec24fb434d23c6f4d51a9c29140f37bb0e9e3a3dd7631c27eaa
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SSDEEP
98304:7LiWUcl5dRYjiauDJtj/YdqcaFILC0tFKknLdeqatqHXx9ypY9W:7Lr/5dRscN2dqcgHVkLdRGqHXvyL
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/2892-134-0x0000000003E90000-0x000000000477B000-memory.dmp family_glupteba behavioral1/memory/2892-135-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2892-155-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2892-156-0x0000000003E90000-0x000000000477B000-memory.dmp family_glupteba behavioral1/memory/2892-186-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2328-188-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2328-213-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2328-259-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-278-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2328-292-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-307-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-365-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-379-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-381-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-384-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-388-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-390-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-394-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-396-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-405-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/2244-408-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 344 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2244 csrss.exe 4840 injector.exe 1816 windefender.exe 3668 windefender.exe 4844 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x00030000000224e9-374.dat upx behavioral1/files/0x00030000000224e9-376.dat upx behavioral1/files/0x00030000000224e9-377.dat upx behavioral1/memory/1816-378-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3668-382-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3668-387-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3668-397-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000400000000070f-402.dat upx behavioral1/files/0x000400000000070f-406.dat upx behavioral1/memory/3668-407-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\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 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe File created C:\Windows\rss\csrss.exe 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.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 4272 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 1032 schtasks.exe 1512 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,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-385 = "Namibia Standard 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\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-161 = "Central Daylight 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" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-1041 = "Ulaanbaatar 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" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4524 powershell.exe 4524 powershell.exe 2892 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2892 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 3004 powershell.exe 3004 powershell.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 4528 powershell.exe 4528 powershell.exe 4792 powershell.exe 4792 powershell.exe 3720 powershell.exe 3720 powershell.exe 5012 powershell.exe 5012 powershell.exe 4540 powershell.exe 4540 powershell.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 2244 csrss.exe 2244 csrss.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 2244 csrss.exe 2244 csrss.exe 4840 injector.exe 4840 injector.exe 2244 csrss.exe 2244 csrss.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe 4840 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 2892 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Token: SeImpersonatePrivilege 2892 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe Token: SeDebugPrivilege 3004 powershell.exe Token: SeDebugPrivilege 4528 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 3720 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeSystemEnvironmentPrivilege 2244 csrss.exe Token: SeSecurityPrivilege 4272 sc.exe Token: SeSecurityPrivilege 4272 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2892 wrote to memory of 4524 2892 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 85 PID 2892 wrote to memory of 4524 2892 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 85 PID 2892 wrote to memory of 4524 2892 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 85 PID 2328 wrote to memory of 3004 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 93 PID 2328 wrote to memory of 3004 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 93 PID 2328 wrote to memory of 3004 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 93 PID 2328 wrote to memory of 3980 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 97 PID 2328 wrote to memory of 3980 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 97 PID 3980 wrote to memory of 344 3980 cmd.exe 98 PID 3980 wrote to memory of 344 3980 cmd.exe 98 PID 2328 wrote to memory of 4528 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 99 PID 2328 wrote to memory of 4528 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 99 PID 2328 wrote to memory of 4528 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 99 PID 2328 wrote to memory of 4792 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 101 PID 2328 wrote to memory of 4792 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 101 PID 2328 wrote to memory of 4792 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 101 PID 2328 wrote to memory of 2244 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 103 PID 2328 wrote to memory of 2244 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 103 PID 2328 wrote to memory of 2244 2328 0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe 103 PID 2244 wrote to memory of 3720 2244 csrss.exe 104 PID 2244 wrote to memory of 3720 2244 csrss.exe 104 PID 2244 wrote to memory of 3720 2244 csrss.exe 104 PID 2244 wrote to memory of 5012 2244 csrss.exe 109 PID 2244 wrote to memory of 5012 2244 csrss.exe 109 PID 2244 wrote to memory of 5012 2244 csrss.exe 109 PID 2244 wrote to memory of 4540 2244 csrss.exe 112 PID 2244 wrote to memory of 4540 2244 csrss.exe 112 PID 2244 wrote to memory of 4540 2244 csrss.exe 112 PID 2244 wrote to memory of 4840 2244 csrss.exe 114 PID 2244 wrote to memory of 4840 2244 csrss.exe 114 PID 1816 wrote to memory of 1524 1816 windefender.exe 120 PID 1816 wrote to memory of 1524 1816 windefender.exe 120 PID 1816 wrote to memory of 1524 1816 windefender.exe 120 PID 1524 wrote to memory of 4272 1524 cmd.exe 121 PID 1524 wrote to memory of 4272 1524 cmd.exe 121 PID 1524 wrote to memory of 4272 1524 cmd.exe 121 PID 2244 wrote to memory of 4844 2244 csrss.exe 124 PID 2244 wrote to memory of 4844 2244 csrss.exe 124 PID 2244 wrote to memory of 4844 2244 csrss.exe 124
Processes
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C:\Users\Admin\AppData\Local\Temp\0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe"C:\Users\Admin\AppData\Local\Temp\0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4524
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C:\Users\Admin\AppData\Local\Temp\0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe"C:\Users\Admin\AppData\Local\Temp\0090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037.exe"2⤵
- 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:2328 -
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:3004
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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:3980 -
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:344
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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:4528
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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:4792
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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:2244 -
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:3720
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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:1032
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1716
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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:5012
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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:4540
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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:4840
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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:1512
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1816 -
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:1524 -
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:4272
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4844 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1220
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3816
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3668
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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56146687594e4968ff5ecaf0d62985e8c
SHA19328b65db723aebe8d34694e9d5cafa2759f5683
SHA2566c48bd0ac24f89ea2579c7b32b2f5892fdcc7eb60356744a6d38b14edb9f2519
SHA5127b98ae3e989168a84ad203b3c82da18d784949e2204c027c7112c9e05bf17236b70fb8499504f8a20d533ef4bcf1a1784bd1a0278fbeae90be2c308f07f848b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f4a4ee4a0a1c7831986a257d1e1ec2ca
SHA10350ca0ea6227959eca6733a562dee979f136dba
SHA256a3cf8af76f9d9afdab0ebbd0e60c0c964e15bac9ebe3cdf407695779e238d2aa
SHA512d92c8f8a2a9290075bc11b2fb51fc0e405232dd60e863958de1606e1bf38a0a4d2a0dedb5b99d64633cd994eed0e1d1cef8bfbf8edd7cfd1d5b96b2569a85cd2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5898edad4c248868a8a674d627473a5cf
SHA162e6f3af0ba197917c01a24ea7d73ae571d645a3
SHA256f053924d21971591e5c1f68d60fa324496f1c59a4f0c30b9f729dd7fc8a2154b
SHA5121fd0a9b05aee9f0e956f90cfee4eec1f55a658e84c2e2cdd770bdf13abacead274d1c96b0cea34fdb4a54173100efc4150f46c50cfcbbe0ec215c7af49100286
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5391d24f2b4f54069eac371995be8aa02
SHA181ae3c278ecdba1cbb5dbf864e0ba521d3c43de3
SHA2562710c0c1b2e4d9c2c654728ea2a0c907383fe6ae87789613b89009f4c655504d
SHA512e09d9fea04259102525d25d0fe9efe67645013ff64def43b6249d9bb6ba515be70b35d1dc246653a3edde9a774c0683a5c7c3c70d5418081aaabe8b6680b6732
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b80d854e5aa3e1a679616eb46619120e
SHA1876ffc33f4a27cddb1712f0f3c8417b0403fc617
SHA256b248996ae5fb1c30e0148b8eaebbf7ada164da3344561f8defacc57a6a955abb
SHA51284ff84e832ecf82275e8cd5916c6cfad0040de314f5c58ad926150d71008e7af18f155fdc41eda684d7de760ca1f7a24e940d48e1c9c43ec61bb29303389d27a
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Filesize
4.1MB
MD559bad90b34f65664cdb22fa0306c1058
SHA1b623971f4840786bc6492b011944b889bc6e468c
SHA2560090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037
SHA512d43bb90f2d8abfa148e2d1c36d396947e1eaeb019baaff582d7e4ad76399ea1ffca4dd9838f6fec24fb434d23c6f4d51a9c29140f37bb0e9e3a3dd7631c27eaa
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Filesize
4.1MB
MD559bad90b34f65664cdb22fa0306c1058
SHA1b623971f4840786bc6492b011944b889bc6e468c
SHA2560090cf23254e6c0a2d033bb3f288fb94a7a09016a81e787cd476fe5f71f42037
SHA512d43bb90f2d8abfa148e2d1c36d396947e1eaeb019baaff582d7e4ad76399ea1ffca4dd9838f6fec24fb434d23c6f4d51a9c29140f37bb0e9e3a3dd7631c27eaa
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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