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Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
05/08/2023, 11:23
Static task
static1
General
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Target
41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe
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Size
4.2MB
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MD5
33e47c3241e074fba4d3b892b35eea65
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SHA1
2e154752e47abf5dfa4b041275db81bd593b97b4
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SHA256
41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941
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SHA512
e560d115f9871e83d1924aa71ada2b2a8b0425da129462a7575aa5ab11deda67504ab0a5293cb217971c7db1841618f773a6198cb0a52667aa32b2f7e3fa827a
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SSDEEP
49152:bkKJ4ZsfYrxXm9QhR89rPUAe0hst3o6EGtQ7sj9BF1o6D5xLQQ4DLdP64YfIO7cS:Y3pFXy8RCDjN8o6mIjdXV23PVJ2
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3892-135-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral1/memory/3892-136-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/3892-155-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral1/memory/3892-156-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/3892-187-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/2220-190-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/2220-220-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/2220-221-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/2220-261-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/2220-280-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-283-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral1/memory/1532-284-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-313-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-365-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-373-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-382-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-384-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-386-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-388-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba behavioral1/memory/1532-397-0x0000000000400000-0x00000000026D5000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4708 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1532 csrss.exe 1792 injector.exe 2308 windefender.exe 2240 windefender.exe 4500 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000023210-376.dat upx behavioral1/files/0x0007000000023210-378.dat upx behavioral1/files/0x0007000000023210-379.dat upx behavioral1/memory/2308-381-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2240-383-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2240-387-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0006000000023212-392.dat upx behavioral1/files/0x0006000000023212-395.dat upx behavioral1/memory/2240-396-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4500-398-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4500-400-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\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 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 File created 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 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe File created C:\Windows\rss\csrss.exe 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe File created 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 5088 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 1968 schtasks.exe 3492 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,-361 = "GTB Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.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" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 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)" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.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,-542 = "Myanmar Standard Time" windefender.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,-1411 = "Syria 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" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.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,-41 = "E. South America Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2356 powershell.exe 2356 powershell.exe 3892 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 3892 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2552 powershell.exe 2552 powershell.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 3620 powershell.exe 3620 powershell.exe 2916 powershell.exe 2916 powershell.exe 4388 powershell.exe 4388 powershell.exe 2416 powershell.exe 2416 powershell.exe 808 powershell.exe 808 powershell.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1532 csrss.exe 1532 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1532 csrss.exe 1532 csrss.exe 1792 injector.exe 1792 injector.exe 1532 csrss.exe 1532 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 3892 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Token: SeImpersonatePrivilege 3892 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeDebugPrivilege 3620 powershell.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 2416 powershell.exe Token: SeDebugPrivilege 808 powershell.exe Token: SeSystemEnvironmentPrivilege 1532 csrss.exe Token: SeSecurityPrivilege 5088 sc.exe Token: SeSecurityPrivilege 5088 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3892 wrote to memory of 2356 3892 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 84 PID 3892 wrote to memory of 2356 3892 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 84 PID 3892 wrote to memory of 2356 3892 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 84 PID 2220 wrote to memory of 2552 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 94 PID 2220 wrote to memory of 2552 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 94 PID 2220 wrote to memory of 2552 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 94 PID 2220 wrote to memory of 2008 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 97 PID 2220 wrote to memory of 2008 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 97 PID 2008 wrote to memory of 4708 2008 cmd.exe 100 PID 2008 wrote to memory of 4708 2008 cmd.exe 100 PID 2220 wrote to memory of 3620 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 101 PID 2220 wrote to memory of 3620 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 101 PID 2220 wrote to memory of 3620 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 101 PID 2220 wrote to memory of 2916 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 103 PID 2220 wrote to memory of 2916 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 103 PID 2220 wrote to memory of 2916 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 103 PID 2220 wrote to memory of 1532 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 105 PID 2220 wrote to memory of 1532 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 105 PID 2220 wrote to memory of 1532 2220 41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe 105 PID 1532 wrote to memory of 4388 1532 csrss.exe 106 PID 1532 wrote to memory of 4388 1532 csrss.exe 106 PID 1532 wrote to memory of 4388 1532 csrss.exe 106 PID 1532 wrote to memory of 2416 1532 csrss.exe 111 PID 1532 wrote to memory of 2416 1532 csrss.exe 111 PID 1532 wrote to memory of 2416 1532 csrss.exe 111 PID 1532 wrote to memory of 808 1532 csrss.exe 114 PID 1532 wrote to memory of 808 1532 csrss.exe 114 PID 1532 wrote to memory of 808 1532 csrss.exe 114 PID 1532 wrote to memory of 1792 1532 csrss.exe 116 PID 1532 wrote to memory of 1792 1532 csrss.exe 116 PID 2308 wrote to memory of 4964 2308 windefender.exe 122 PID 2308 wrote to memory of 4964 2308 windefender.exe 122 PID 2308 wrote to memory of 4964 2308 windefender.exe 122 PID 4964 wrote to memory of 5088 4964 cmd.exe 123 PID 4964 wrote to memory of 5088 4964 cmd.exe 123 PID 4964 wrote to memory of 5088 4964 cmd.exe 123 PID 1532 wrote to memory of 4500 1532 csrss.exe 125 PID 1532 wrote to memory of 4500 1532 csrss.exe 125 PID 1532 wrote to memory of 4500 1532 csrss.exe 125
Processes
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C:\Users\Admin\AppData\Local\Temp\41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe"C:\Users\Admin\AppData\Local\Temp\41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2356
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C:\Users\Admin\AppData\Local\Temp\41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.exe"C:\Users\Admin\AppData\Local\Temp\41b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941.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:2220 -
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:2552
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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:2008 -
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:4708
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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:3620
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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:2916
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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:1532 -
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:4388
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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:1968
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3688
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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:2416
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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:808
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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:1792
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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:3492
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2308 -
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:4964 -
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:5088
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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:4500 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1804
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3856
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2240
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
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f33a6d853dc4fa2f2e56f0ad69793a5
SHA1b26474b28eb090ae6f304121e8c2d6c5cd9e5620
SHA256a2d36d015d494d8aba7caba395cb1656985cf79355c60fa404f3f4d09644743b
SHA512c87bb06d56be6852600b9bd7c1d5cbb36684fcc9dfc3aeaecc217ea0d436515d56b2115556aa8dda6bf43e06a3e79bb27d6305cf7de8304dd0fb90795a0e8bfc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b266e33871a997cf44749e58dc763d79
SHA1db0db050fb2a1605b8f061390961290045669808
SHA256f904988d01d4759e044eb784ec5a0e66dc9db50f22ca416fad4791045c447235
SHA512bfab2dd114d118377d305783f9eb9babcd5126f38d1fd55f4d8cf9910ed91998c52140742fa21f88fca5385f66663b10cef02c247ab5d61b1a68683ee7c9fbee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579779ef725d8e0b6a7e87d21bcd77b41
SHA10c42f9055d7818538c145b832f08b0bb63f8fbd3
SHA2564f3ac8cc656108a2340f3a45e0853532cfb9917b0d0cd2ac1eee1f2f223013a2
SHA5122510e493e2c4f6c55f6af6a94865304923b0ec9432327b2ad504a35a1e28c8b4d09c5aedb879e90f84bac911c738836689984be52e1bb7254cda986f9f070114
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e873493b7348352e61401e6e8cff703d
SHA1a92c8ab420352b0bb17761789b14f6fbae43a149
SHA256a0e9ae4a028a1971ccba8efc379e8e5d5ef9d4c39559aabfb57e0fc40ab125aa
SHA5121449a41ea78ff63c9cd26d415684c7d5c2dfe3aad43b498140c604be8ebbb7e33b44d7edf925ba69b108445a0b87ff7dfd85796eaa52b860e17783335b822ab7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504322a8b009c76bc00328240648e68c7
SHA131361f5bbd90cf1628d75716fdc34b3f4c62dc2b
SHA2561151678edad8a414d04e75203e206753a168d95e3362aafba0f8bfca01eaf847
SHA512c9325a8c10e5a82f6f42b76248ddf035eef311ef2648316875b75e2eb12c9f4252181e7fe683acbed1543687f20617bb5530bd7bc36895305737f874c6b14fd8
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Filesize
4.2MB
MD533e47c3241e074fba4d3b892b35eea65
SHA12e154752e47abf5dfa4b041275db81bd593b97b4
SHA25641b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941
SHA512e560d115f9871e83d1924aa71ada2b2a8b0425da129462a7575aa5ab11deda67504ab0a5293cb217971c7db1841618f773a6198cb0a52667aa32b2f7e3fa827a
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Filesize
4.2MB
MD533e47c3241e074fba4d3b892b35eea65
SHA12e154752e47abf5dfa4b041275db81bd593b97b4
SHA25641b3d1592edd9f3aaa2a831f095dda59edd7f98bb36c27c39db403a31a8bd941
SHA512e560d115f9871e83d1924aa71ada2b2a8b0425da129462a7575aa5ab11deda67504ab0a5293cb217971c7db1841618f773a6198cb0a52667aa32b2f7e3fa827a
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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