Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2023, 08:55
Static task
static1
General
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Target
66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe
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Size
4.2MB
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MD5
ce7abe0ae113679e5320da3128ac24ad
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SHA1
9ee5ea979715e7377d1ca677cef3e5681331863e
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SHA256
66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f
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SHA512
4dbe0204894ef0d2ee6e99aa3fe06ea4504335d939cb3b0caac9cf19816ca884cc0010e204806d2216e21158c84e50e7e9a534199110228eef4ae0d535928a88
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SSDEEP
98304:Km2D6zRdnvlOG/k+pjrLJGx1HR9oi9PEasYRN6KjT:KmK6ddvoG8EL01nocPzsMwIT
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1872-2-0x0000000003090000-0x000000000397B000-memory.dmp family_glupteba behavioral1/memory/1872-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1872-25-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1872-26-0x0000000003090000-0x000000000397B000-memory.dmp family_glupteba behavioral1/memory/1872-59-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3160-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3160-96-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3160-97-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3160-159-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-244-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4796-291-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1044 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4796 csrss.exe 4712 injector.exe 2300 windefender.exe 2576 windefender.exe 2964 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000a000000022d22-267.dat upx behavioral1/files/0x000a000000022d22-269.dat upx behavioral1/files/0x000a000000022d22-270.dat upx behavioral1/memory/2300-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2576-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2576-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000a000000022d45-287.dat upx behavioral1/files/0x000a000000022d45-289.dat upx behavioral1/memory/2576-290-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2964-292-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2964-294-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 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 Process not Found -
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 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe File created C:\Windows\rss\csrss.exe 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.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 1012 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3856 1872 WerFault.exe 87 4240 3160 WerFault.exe 103 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1324 schtasks.exe 4908 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.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" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs Process not Found Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2212 powershell.exe 2212 powershell.exe 1872 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 1872 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 2848 powershell.exe 2848 powershell.exe 2848 powershell.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 2816 powershell.exe 2816 powershell.exe 4248 powershell.exe 4248 powershell.exe 2860 powershell.exe 2860 powershell.exe 2860 powershell.exe 1316 powershell.exe 1316 powershell.exe 1316 powershell.exe 4404 powershell.exe 4404 powershell.exe 4404 powershell.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4796 csrss.exe 4712 injector.exe 4796 csrss.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4796 csrss.exe 4796 csrss.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4796 csrss.exe 4796 csrss.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2212 powershell.exe Token: SeDebugPrivilege 1872 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Token: SeImpersonatePrivilege 1872 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 2816 powershell.exe Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 1316 powershell.exe Token: SeDebugPrivilege 4404 powershell.exe Token: SeSystemEnvironmentPrivilege 4796 csrss.exe Token: SeSecurityPrivilege 1012 sc.exe Token: SeSecurityPrivilege 1012 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1872 wrote to memory of 2212 1872 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 98 PID 1872 wrote to memory of 2212 1872 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 98 PID 1872 wrote to memory of 2212 1872 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 98 PID 3160 wrote to memory of 2848 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 106 PID 3160 wrote to memory of 2848 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 106 PID 3160 wrote to memory of 2848 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 106 PID 3160 wrote to memory of 3996 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 108 PID 3160 wrote to memory of 3996 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 108 PID 3996 wrote to memory of 1044 3996 cmd.exe 110 PID 3996 wrote to memory of 1044 3996 cmd.exe 110 PID 3160 wrote to memory of 2816 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 112 PID 3160 wrote to memory of 2816 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 112 PID 3160 wrote to memory of 2816 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 112 PID 3160 wrote to memory of 4248 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 114 PID 3160 wrote to memory of 4248 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 114 PID 3160 wrote to memory of 4248 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 114 PID 3160 wrote to memory of 4796 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 117 PID 3160 wrote to memory of 4796 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 117 PID 3160 wrote to memory of 4796 3160 66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe 117 PID 4796 wrote to memory of 2860 4796 csrss.exe 120 PID 4796 wrote to memory of 2860 4796 csrss.exe 120 PID 4796 wrote to memory of 2860 4796 csrss.exe 120 PID 4796 wrote to memory of 1316 4796 csrss.exe 126 PID 4796 wrote to memory of 1316 4796 csrss.exe 126 PID 4796 wrote to memory of 1316 4796 csrss.exe 126 PID 4796 wrote to memory of 4404 4796 csrss.exe 129 PID 4796 wrote to memory of 4404 4796 csrss.exe 129 PID 4796 wrote to memory of 4404 4796 csrss.exe 129 PID 4796 wrote to memory of 4712 4796 csrss.exe 132 PID 4796 wrote to memory of 4712 4796 csrss.exe 132 PID 2300 wrote to memory of 4808 2300 windefender.exe 142 PID 2300 wrote to memory of 4808 2300 windefender.exe 142 PID 2300 wrote to memory of 4808 2300 windefender.exe 142 PID 4808 wrote to memory of 1012 4808 cmd.exe 143 PID 4808 wrote to memory of 1012 4808 cmd.exe 143 PID 4808 wrote to memory of 1012 4808 cmd.exe 143 PID 4796 wrote to memory of 2964 4796 csrss.exe 146 PID 4796 wrote to memory of 2964 4796 csrss.exe 146 PID 4796 wrote to memory of 2964 4796 csrss.exe 146 -
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\66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe"C:\Users\Admin\AppData\Local\Temp\66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2212
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C:\Users\Admin\AppData\Local\Temp\66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.exe"C:\Users\Admin\AppData\Local\Temp\66e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f.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:3160 -
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:2848
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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:3996 -
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:1044
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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:2816
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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:4248
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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:4796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860
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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:1324
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4996
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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:1316
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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:4404
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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:4712
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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:4908
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2300 -
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:4808 -
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:1012
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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:2964 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1416
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3160 -s 8403⤵
- Program crash
PID:4240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 7842⤵
- Program crash
PID:3856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1872 -ip 18721⤵PID:4396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3160 -ip 31601⤵PID:4236
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2576
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
MD5f1f75cfd25068e094383f48ba9bc9cd8
SHA112eca6a3cdbf88bee70fc4f0d87afb35f693b6bd
SHA256422ae90de42ce8219daececfa1c9ffb8329363e68d1812f96344200eb1ba9a3b
SHA512e8dbeb4d805091be4b152ea3df73dd2030dfeefbd2a70155f2ee7d54cef29ea4fa7af5ae9674c220c4c00132f10a1bd3f524702569abd3848788733e55600470
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b941ff2b705e6513f2e1fcc994b75f17
SHA18914daa9bc3d4afcbfde69f394e07a527d1d4a4f
SHA2562b57584c35799dc7a21619efb6a7ef3379e8653805f74f346b39c0c72fdba496
SHA512f7371696da1d227430ed70015e31cdc046fd950ba9d84bdc910754c58cebfa27813914966349328841b4593d3f0b33134be900180cbd8802bd5e64121b44520d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5693cef64ec55a0c2196c78d26e400159
SHA172443ecffcfb8e8bd9825fc97ff04fccfef3a430
SHA2560823ea55f84de145a0336e507d3ef50b5b3e6cfcd31ee0a0064f73d1045c8fa7
SHA512305625b5b8bb6777e548b47b87b497e1b04c2e401ba619c24290ed2ac9ed43d2a2a9ed54fef87df76fd52a6f6496bb0a3b2d79efeb5561d6f5a66e902dc6d2c1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c01615d64246c7cf9667abb56d52255
SHA1947e30cac594d875f30a1cd679927091ba4e8515
SHA2569adcf6a483b872f0c44adb7a1c57b83e39397ee2b9ac6f402141e548aaf5ef6e
SHA5124ba37cb671758a54ee0a9f80251a695330d05eedd8b6209294584986bfedceb5fac5311c9ff411b39283bba644983af7d7c70e89bd5b8ae810fdabf4f8721d0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD529455755fd1c764c37434fbfc62842ba
SHA173d0f66c6a8362e25408dc234ecf23ffa04178c4
SHA2567550433e57fe5c1bef88fd0522f761fbb3ceb57cf311e0dd1bae8c40cf9a1886
SHA5127f7ae9751cede89f0aa86214ef9224e0d674c61164720095b089f40a8edb44ed128a483c61198fc96a9924f31d72ffcfc2369a0952d674adff59e78d5441e383
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Filesize
4.2MB
MD5ce7abe0ae113679e5320da3128ac24ad
SHA19ee5ea979715e7377d1ca677cef3e5681331863e
SHA25666e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f
SHA5124dbe0204894ef0d2ee6e99aa3fe06ea4504335d939cb3b0caac9cf19816ca884cc0010e204806d2216e21158c84e50e7e9a534199110228eef4ae0d535928a88
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Filesize
4.2MB
MD5ce7abe0ae113679e5320da3128ac24ad
SHA19ee5ea979715e7377d1ca677cef3e5681331863e
SHA25666e6bb7a1690f27d6cceea4074aecaa702ab6776a0b2cb47ca1e1f515f21dd6f
SHA5124dbe0204894ef0d2ee6e99aa3fe06ea4504335d939cb3b0caac9cf19816ca884cc0010e204806d2216e21158c84e50e7e9a534199110228eef4ae0d535928a88
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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