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Analysis
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max time kernel
123s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2023, 17:17
Static task
static1
General
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Target
c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe
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Size
4.1MB
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MD5
f4809f3cca46f35ad382866bc65104d1
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SHA1
757dfbea2d9d5a33d822a31d457ae6326682212e
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SHA256
c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c
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SHA512
3c591723ed2108e2d8aabde91f907d2e2357f80d2408435a9ecd1e74843be720dc1df5e263a4772a6caefbaecdb06841fd1ccf35b8cebe033d340006d9a045ff
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SSDEEP
98304:xJY+EbNwMxC8zeVmGhDw1Pr49uUZYrg+yWDxpjgmm89E:YfwMpeVmGtoPEk8cguVpjh+
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3684-2-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/3684-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3684-25-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/3684-26-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3684-29-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3684-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3884-63-0x0000000002DD0000-0x00000000036BB000-memory.dmp family_glupteba behavioral1/memory/3884-64-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3884-93-0x00000000028D0000-0x0000000002CCA000-memory.dmp family_glupteba behavioral1/memory/3884-94-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3884-153-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3884-160-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4968-226-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4968-238-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4968-243-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4968-245-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4968-247-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4968-249-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4968-251-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4968-260-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1360 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4968 csrss.exe 2128 injector.exe 2672 windefender.exe 4716 windefender.exe 1144 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000a000000022e8f-236.dat upx behavioral1/files/0x000a000000022e8f-239.dat upx behavioral1/files/0x000a000000022e8f-240.dat upx behavioral1/memory/2672-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4716-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4716-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00080000000223f5-256.dat upx behavioral1/files/0x00080000000223f5-258.dat upx behavioral1/memory/4716-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1144-261-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/1144-263-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 6 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 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 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2272 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4752 3684 WerFault.exe 85 3396 3884 WerFault.exe 100 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2828 schtasks.exe 3376 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\1a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4412 powershell.exe 4412 powershell.exe 4412 powershell.exe 3684 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3684 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 4336 powershell.exe 4336 powershell.exe 4336 powershell.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 824 powershell.exe 824 powershell.exe 824 powershell.exe 3080 powershell.exe 3080 powershell.exe 3080 powershell.exe 4348 powershell.exe 4348 powershell.exe 4348 powershell.exe 2412 powershell.exe 2412 powershell.exe 2412 powershell.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 4968 csrss.exe 4968 csrss.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 4968 csrss.exe 4968 csrss.exe 2128 injector.exe 2128 injector.exe 4968 csrss.exe 4968 csrss.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 3684 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Token: SeImpersonatePrivilege 3684 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe Token: SeDebugPrivilege 4336 powershell.exe Token: SeDebugPrivilege 824 powershell.exe Token: SeDebugPrivilege 3080 powershell.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeSystemEnvironmentPrivilege 4968 csrss.exe Token: SeSecurityPrivilege 2272 sc.exe Token: SeSecurityPrivilege 2272 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3684 wrote to memory of 4412 3684 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 94 PID 3684 wrote to memory of 4412 3684 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 94 PID 3684 wrote to memory of 4412 3684 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 94 PID 3884 wrote to memory of 4336 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 104 PID 3884 wrote to memory of 4336 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 104 PID 3884 wrote to memory of 4336 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 104 PID 3884 wrote to memory of 1592 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 108 PID 3884 wrote to memory of 1592 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 108 PID 1592 wrote to memory of 1360 1592 cmd.exe 109 PID 1592 wrote to memory of 1360 1592 cmd.exe 109 PID 3884 wrote to memory of 824 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 110 PID 3884 wrote to memory of 824 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 110 PID 3884 wrote to memory of 824 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 110 PID 3884 wrote to memory of 3080 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 112 PID 3884 wrote to memory of 3080 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 112 PID 3884 wrote to memory of 3080 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 112 PID 3884 wrote to memory of 4968 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 115 PID 3884 wrote to memory of 4968 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 115 PID 3884 wrote to memory of 4968 3884 c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe 115 PID 4968 wrote to memory of 1348 4968 csrss.exe 119 PID 4968 wrote to memory of 1348 4968 csrss.exe 119 PID 4968 wrote to memory of 1348 4968 csrss.exe 119 PID 4968 wrote to memory of 4348 4968 csrss.exe 127 PID 4968 wrote to memory of 4348 4968 csrss.exe 127 PID 4968 wrote to memory of 4348 4968 csrss.exe 127 PID 4968 wrote to memory of 2412 4968 csrss.exe 129 PID 4968 wrote to memory of 2412 4968 csrss.exe 129 PID 4968 wrote to memory of 2412 4968 csrss.exe 129 PID 4968 wrote to memory of 2128 4968 csrss.exe 131 PID 4968 wrote to memory of 2128 4968 csrss.exe 131 PID 2672 wrote to memory of 4884 2672 windefender.exe 137 PID 2672 wrote to memory of 4884 2672 windefender.exe 137 PID 2672 wrote to memory of 4884 2672 windefender.exe 137 PID 4884 wrote to memory of 2272 4884 cmd.exe 138 PID 4884 wrote to memory of 2272 4884 cmd.exe 138 PID 4884 wrote to memory of 2272 4884 cmd.exe 138 PID 4968 wrote to memory of 1144 4968 csrss.exe 142 PID 4968 wrote to memory of 1144 4968 csrss.exe 142 PID 4968 wrote to memory of 1144 4968 csrss.exe 142 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe"C:\Users\Admin\AppData\Local\Temp\c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4412
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C:\Users\Admin\AppData\Local\Temp\c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.exe"C:\Users\Admin\AppData\Local\Temp\c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c.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:3884 -
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:4336
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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:1592 -
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:1360
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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:824
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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:3080
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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:4968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
PID:1348
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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:2828
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2776
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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:4348
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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:2412
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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:2128
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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:3376
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2672 -
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:4884 -
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:2272
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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:1144 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:3152
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 6363⤵
- Program crash
PID:3396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 8802⤵
- Program crash
PID:4752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3684 -ip 36841⤵PID:1124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3884 -ip 38841⤵PID:4848
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4716
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557c93ee9c6cc2cc8be8ddc61201f61a9
SHA1d36e62235e9d6a3f633e851c6ead870a0fd9483a
SHA25639568c5eb11ea38ec208bbc9e6023e82951162c247106af2f69b60a3b88820b2
SHA51214f7f65175c5de778f031dc6d11351c814f678fccb3b4207691bec65739223c97496346b62a4489af6d9dbb8b3ad1aa0845027ca0be19274488b511142f9ba07
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2f0677314320df4743e8193ecbddec7
SHA1ca8ea3608ae77bf6670cc0f1ce16df2cf7b142a3
SHA256330369e5587bff42ef4dbb8106ba3eb0f6507cdfd1910e8becd31f6648a5e10b
SHA512e7161c88a16030bb7f10102fa5c89b07eaceaf4b79afdd7c1ddccb6c920406b11412cb263ec66bf0fef5619dcf8f24c93f92d19cbcb45ce02e0efefca2fc7df7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e02ce6838b8217ae6f91d52ffb6fdbf2
SHA16ea55a0932777cda5cb474123f59cd230e7d3171
SHA2562aa313c7ff07e16e798c698a713e9084c4f414862e519ccac57592467b5d8c64
SHA512f34c3a1e24faf9e1ba2e2dcb9507e083e204dad10397faef87c8ea478da16969dc5c46e99cef6582bea0c703820e7f332a657f2b1e3a243936be26581118ce3c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5acdb8c409c039b963c1020398f38185a
SHA15ebd228014ea72dd02ff1bc91d8f8d37dad61597
SHA256099a33d98a881206b0ea91149a6964dd6a94f9ba95c241625677b4a09d8387c2
SHA51228d9f2e271b5e521fc286d250ba3e2d3467954f56f13b95a572eabf363aa61bf5c5a1d4faf617950c2323aeec7e5ebb1d60bc54e863dfe5f1a05addba0761a46
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Filesize
4.1MB
MD5f4809f3cca46f35ad382866bc65104d1
SHA1757dfbea2d9d5a33d822a31d457ae6326682212e
SHA256c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c
SHA5123c591723ed2108e2d8aabde91f907d2e2357f80d2408435a9ecd1e74843be720dc1df5e263a4772a6caefbaecdb06841fd1ccf35b8cebe033d340006d9a045ff
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Filesize
4.1MB
MD5f4809f3cca46f35ad382866bc65104d1
SHA1757dfbea2d9d5a33d822a31d457ae6326682212e
SHA256c333ae59eac65a2f29e08a787348656ac92a0b9b75e9d1561dc4c74bf5182f3c
SHA5123c591723ed2108e2d8aabde91f907d2e2357f80d2408435a9ecd1e74843be720dc1df5e263a4772a6caefbaecdb06841fd1ccf35b8cebe033d340006d9a045ff
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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