Analysis
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max time kernel
152s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
30/05/2023, 16:05
Static task
static1
General
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Target
a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe
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Size
4.1MB
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MD5
40ad48ecab4f8b1991f1040c7f093018
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SHA1
955e181adbc8dce68a834ac1b8af7261b89f1bd2
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SHA256
a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac
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SHA512
175daead84f23f652f8b53cc554187295ac672f898e849360fc96c51d1ef09fdc2d7baaca45bab1bcb5aeb150fcb50bcb2fcb030ed289fb4152bd6c8d6771fc1
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SSDEEP
98304:MiNwZW78n+IrWyB2fHWWfhp3JVmlDqbRIR6ZtmCNHg:MiNwk8nPWyB2fDhpDmlubyR5CNHg
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral1/memory/2908-134-0x0000000002F80000-0x000000000386B000-memory.dmp family_glupteba behavioral1/memory/2908-152-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2908-182-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4388-216-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4388-263-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4388-309-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-323-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-359-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-370-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-374-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-378-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-382-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-386-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-390-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4468-400-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2340 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4468 csrss.exe 748 injector.exe 400 windefender.exe 4340 windefender.exe 2872 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022fb0-362.dat upx behavioral1/memory/400-363-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0007000000022fb0-364.dat upx behavioral1/files/0x0007000000022fb0-365.dat upx behavioral1/memory/400-366-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-368-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-380-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0009000000022f74-394.dat upx behavioral1/files/0x0009000000022f74-395.dat upx behavioral1/memory/4340-397-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2872-402-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2872-404-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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 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 -
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 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.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 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe File created C:\Windows\rss\csrss.exe a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.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 3064 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 1152 schtasks.exe 100 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.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,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2992 powershell.exe 2992 powershell.exe 2908 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 2908 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 3356 powershell.exe 3356 powershell.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 4288 powershell.exe 4288 powershell.exe 3664 powershell.exe 3664 powershell.exe 4532 powershell.exe 4532 powershell.exe 1280 powershell.exe 1280 powershell.exe 976 powershell.exe 976 powershell.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 4468 csrss.exe 4468 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 4468 csrss.exe 4468 csrss.exe 748 injector.exe 748 injector.exe 4468 csrss.exe 4468 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 2908 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Token: SeImpersonatePrivilege 2908 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe Token: SeDebugPrivilege 3356 powershell.exe Token: SeDebugPrivilege 4288 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 1280 powershell.exe Token: SeDebugPrivilege 976 powershell.exe Token: SeSystemEnvironmentPrivilege 4468 csrss.exe Token: SeSecurityPrivilege 3064 sc.exe Token: SeSecurityPrivilege 3064 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2908 wrote to memory of 2992 2908 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 83 PID 2908 wrote to memory of 2992 2908 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 83 PID 2908 wrote to memory of 2992 2908 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 83 PID 4388 wrote to memory of 3356 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 93 PID 4388 wrote to memory of 3356 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 93 PID 4388 wrote to memory of 3356 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 93 PID 4388 wrote to memory of 1264 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 95 PID 4388 wrote to memory of 1264 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 95 PID 1264 wrote to memory of 2340 1264 cmd.exe 97 PID 1264 wrote to memory of 2340 1264 cmd.exe 97 PID 4388 wrote to memory of 4288 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 99 PID 4388 wrote to memory of 4288 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 99 PID 4388 wrote to memory of 4288 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 99 PID 4388 wrote to memory of 3664 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 101 PID 4388 wrote to memory of 3664 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 101 PID 4388 wrote to memory of 3664 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 101 PID 4388 wrote to memory of 4468 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 103 PID 4388 wrote to memory of 4468 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 103 PID 4388 wrote to memory of 4468 4388 a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe 103 PID 4468 wrote to memory of 4532 4468 csrss.exe 104 PID 4468 wrote to memory of 4532 4468 csrss.exe 104 PID 4468 wrote to memory of 4532 4468 csrss.exe 104 PID 4468 wrote to memory of 1280 4468 csrss.exe 109 PID 4468 wrote to memory of 1280 4468 csrss.exe 109 PID 4468 wrote to memory of 1280 4468 csrss.exe 109 PID 4468 wrote to memory of 976 4468 csrss.exe 112 PID 4468 wrote to memory of 976 4468 csrss.exe 112 PID 4468 wrote to memory of 976 4468 csrss.exe 112 PID 4468 wrote to memory of 748 4468 csrss.exe 114 PID 4468 wrote to memory of 748 4468 csrss.exe 114 PID 400 wrote to memory of 4016 400 windefender.exe 120 PID 400 wrote to memory of 4016 400 windefender.exe 120 PID 400 wrote to memory of 4016 400 windefender.exe 120 PID 4016 wrote to memory of 3064 4016 cmd.exe 121 PID 4016 wrote to memory of 3064 4016 cmd.exe 121 PID 4016 wrote to memory of 3064 4016 cmd.exe 121 PID 4468 wrote to memory of 2872 4468 csrss.exe 124 PID 4468 wrote to memory of 2872 4468 csrss.exe 124 PID 4468 wrote to memory of 2872 4468 csrss.exe 124 -
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\a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe"C:\Users\Admin\AppData\Local\Temp\a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2992
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C:\Users\Admin\AppData\Local\Temp\a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.exe"C:\Users\Admin\AppData\Local\Temp\a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac.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:4388 -
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:3356
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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:1264 -
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:2340
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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:4288
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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:3664
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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:4468 -
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:4532
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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:1152
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2632
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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:1280
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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:976
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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:748
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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:100
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:400 -
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:4016 -
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:3064
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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:2872 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:432
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3364
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4340
Network
MITRE ATT&CK Enterprise v6
Replay 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
MD5a4934e6ab9638349d7c02b9cb54f4a6b
SHA151842d5ff1fe0c71defafdfccc4047ea3c78ea88
SHA256f7e3a719ad42fb8dbc7004c4599de9e82bd137b305b26a3f82006e6365d4c3bc
SHA512d80e8965305396a3655848af0869329c4ad52bce29bacc9d77feec763ba7e4b754b92f9674f433236535ca29603525b6df79332d6a4abde7df1d58d2262ce307
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3d9f340b402e59ec47a5cea146b7d2b
SHA137fe3b48793e06bc8069b4843d301e2834624bf3
SHA256f3d376e0c4b3ad35f83454833ff8c5eabd594a088048d26d2e9f44e65dac5b8f
SHA512ceb0a8fe8e2b28cf5b4ba172b86c8ea73f09aab90761211ef5c7760d3acdd3d11e0d7f2684901ac04e2672f564422f732c5d59d166023c6a5585484a04e2e235
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7809b687267064ac9e7794211b4c987
SHA11509eaa931aada9e8954bae1eb0dfe0ae8a78260
SHA2565e7659f03167f757d89b22dd24dd08f23da6dd5f53bc210b538b5bdde4834fa1
SHA51293a07c0b4637e8b28b6c702bd86755b4b56cb680326cbc600d9821199179827dcfa0082a84185fc9697eb08297bd22c85c3713056759b7157cfb9c44d200fc40
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537aaa48fecf27dd95b0b6ed7af0f9ef2
SHA1adbdbf51467e254ce8ad168ebf0acd270af0cbbb
SHA256d9b432c7b247b035a7947d49da2f44f6cd89421a24f2c102ed453cf598380a5b
SHA512eeb63e020db1e39d0de8dc4a3d22fc36f2bdaa2b4f28edecaa18fe0db85d47ef54ab18c76baee3419f03f005d52897cb219edce1ebc64feec220dd5cbc648395
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5e9d8b23066bbfad0251d50ef9dab2a
SHA18641addebdceaa36ca51d4fab3f30d91b8a69a30
SHA25619e9c02c34c3169e8dc84bc8030677087f44861ce2615b85f0f50d6652cb520a
SHA512dad29a3d92d88d20d039e75c590e84d7999b56887f0d838ba46bc014abb98d6d3b0b76797127f786a24b5eaffc7b8d65edeb10c6622346bc3592968573cade92
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Filesize
4.1MB
MD540ad48ecab4f8b1991f1040c7f093018
SHA1955e181adbc8dce68a834ac1b8af7261b89f1bd2
SHA256a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac
SHA512175daead84f23f652f8b53cc554187295ac672f898e849360fc96c51d1ef09fdc2d7baaca45bab1bcb5aeb150fcb50bcb2fcb030ed289fb4152bd6c8d6771fc1
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Filesize
4.1MB
MD540ad48ecab4f8b1991f1040c7f093018
SHA1955e181adbc8dce68a834ac1b8af7261b89f1bd2
SHA256a238887979b023b7c0a86419ddd3ae607e7661a2483b9362f91f3e16c607a9ac
SHA512175daead84f23f652f8b53cc554187295ac672f898e849360fc96c51d1ef09fdc2d7baaca45bab1bcb5aeb150fcb50bcb2fcb030ed289fb4152bd6c8d6771fc1
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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