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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
20/05/2023, 03:44
Static task
static1
General
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Target
a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe
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Size
4.2MB
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MD5
2e38b6842c86df2443b2916c7c917e74
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SHA1
e0cc154868fbf891927ef1270d66dc41e85240e6
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SHA256
a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4
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SHA512
b4dc37a92ae5296cee1047a8cd051334570f8b8a8cf9f6c1bd5103a1ee9ee56f2ddc939ee1f75f3e50f99dbf0843152e4761b73134a94993eca21e67c4c7d535
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SSDEEP
98304:Q5JAVyggB/40IkAulVA5cy8XMb+6g4opsOl7XqPac81792PtWXo1COxVC9GF:PVyJy2VvrXu+6Bo2kXqPacJVSo1Y9K
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/2120-134-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral1/memory/2120-170-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2120-206-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2368-231-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2368-265-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-304-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-349-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-362-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-365-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-369-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-371-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-374-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-377-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-380-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-383-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-386-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2208-395-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4264 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2208 csrss.exe 3852 injector.exe 3392 windefender.exe 3360 windefender.exe 4540 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000002318f-358.dat upx behavioral1/files/0x000700000002318f-359.dat upx behavioral1/files/0x000700000002318f-360.dat upx behavioral1/memory/3392-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3360-363-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3360-372-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0004000000000731-391.dat upx behavioral1/files/0x0004000000000731-392.dat upx behavioral1/memory/4540-393-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/3360-394-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe File created C:\Windows\rss\csrss.exe a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.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 720 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 1944 schtasks.exe 3872 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.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\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.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,-1801 = "Line Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1e\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4632 powershell.exe 4632 powershell.exe 2120 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2120 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 4080 powershell.exe 4080 powershell.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 4920 powershell.exe 4920 powershell.exe 4492 powershell.exe 4492 powershell.exe 4104 powershell.exe 4104 powershell.exe 4892 powershell.exe 4892 powershell.exe 1764 powershell.exe 1764 powershell.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 2208 csrss.exe 2208 csrss.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 2208 csrss.exe 2208 csrss.exe 3852 injector.exe 3852 injector.exe 2208 csrss.exe 2208 csrss.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4632 powershell.exe Token: SeDebugPrivilege 2120 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Token: SeImpersonatePrivilege 2120 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe Token: SeDebugPrivilege 4080 powershell.exe Token: SeDebugPrivilege 4920 powershell.exe Token: SeDebugPrivilege 4492 powershell.exe Token: SeDebugPrivilege 4104 powershell.exe Token: SeDebugPrivilege 4892 powershell.exe Token: SeDebugPrivilege 1764 powershell.exe Token: SeSystemEnvironmentPrivilege 2208 csrss.exe Token: SeSecurityPrivilege 720 sc.exe Token: SeSecurityPrivilege 720 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2120 wrote to memory of 4632 2120 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 86 PID 2120 wrote to memory of 4632 2120 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 86 PID 2120 wrote to memory of 4632 2120 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 86 PID 2368 wrote to memory of 4080 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 96 PID 2368 wrote to memory of 4080 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 96 PID 2368 wrote to memory of 4080 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 96 PID 2368 wrote to memory of 3448 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 98 PID 2368 wrote to memory of 3448 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 98 PID 3448 wrote to memory of 4264 3448 cmd.exe 100 PID 3448 wrote to memory of 4264 3448 cmd.exe 100 PID 2368 wrote to memory of 4920 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 101 PID 2368 wrote to memory of 4920 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 101 PID 2368 wrote to memory of 4920 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 101 PID 2368 wrote to memory of 4492 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 103 PID 2368 wrote to memory of 4492 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 103 PID 2368 wrote to memory of 4492 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 103 PID 2368 wrote to memory of 2208 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 106 PID 2368 wrote to memory of 2208 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 106 PID 2368 wrote to memory of 2208 2368 a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe 106 PID 2208 wrote to memory of 4104 2208 csrss.exe 107 PID 2208 wrote to memory of 4104 2208 csrss.exe 107 PID 2208 wrote to memory of 4104 2208 csrss.exe 107 PID 2208 wrote to memory of 4892 2208 csrss.exe 113 PID 2208 wrote to memory of 4892 2208 csrss.exe 113 PID 2208 wrote to memory of 4892 2208 csrss.exe 113 PID 2208 wrote to memory of 1764 2208 csrss.exe 115 PID 2208 wrote to memory of 1764 2208 csrss.exe 115 PID 2208 wrote to memory of 1764 2208 csrss.exe 115 PID 2208 wrote to memory of 3852 2208 csrss.exe 117 PID 2208 wrote to memory of 3852 2208 csrss.exe 117 PID 3392 wrote to memory of 4384 3392 windefender.exe 123 PID 3392 wrote to memory of 4384 3392 windefender.exe 123 PID 3392 wrote to memory of 4384 3392 windefender.exe 123 PID 4384 wrote to memory of 720 4384 cmd.exe 124 PID 4384 wrote to memory of 720 4384 cmd.exe 124 PID 4384 wrote to memory of 720 4384 cmd.exe 124 PID 2208 wrote to memory of 4540 2208 csrss.exe 127 PID 2208 wrote to memory of 4540 2208 csrss.exe 127 PID 2208 wrote to memory of 4540 2208 csrss.exe 127 -
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\a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe"C:\Users\Admin\AppData\Local\Temp\a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4632
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C:\Users\Admin\AppData\Local\Temp\a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.exe"C:\Users\Admin\AppData\Local\Temp\a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4.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:2368 -
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:4080
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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:3448 -
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:4264
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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:4920
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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:4492
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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:2208 -
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:4104
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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:1944
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:660
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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:4892
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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:1764
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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:3852
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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:3872
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3392 -
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:4384 -
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:720
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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:4540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3360
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
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
MD5165202ad8897aeeb4158abeddf633934
SHA19fa6ec2c39b99976e389e2234b80ec96a2503ab7
SHA256c178cff9f7650aff21ff7dbbf4a3370a7cf22a3a45e0fe733889514447c564f7
SHA5120af106b29b5b7fe07aba301c0368096d8f18e5ff34ae1fbfc73f3e325b355fd350d794a36ee82dd0f16294c24e046f8ec2a72b23f0676c948cc824008e8b1aac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58aa1b64184e61b0397f1ba7181e0e4fa
SHA1dffa87d18396e75c6a2e490441a599ed12eea173
SHA2564f38e473716fb284971609f03f72d915fbd3e49ff2a089adae2e6f2f817b9c08
SHA512de51e60ecb4bc2a23f12f687597f80e896ce9f0d7b5dfacace08567f3d56bc29e4acba8e05d055aa2cc9c85cb90c5c655ee57658e132efe60eb2d1ce861e64bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f12bd2ccdf5c2c7e3f7eafbcb97a69d
SHA1084f892d06bd5d78d616aec994f18df199e6e225
SHA2561b00693480c8e125e0683af6e3efd757ee564a5d7948a639d31b8d248f73de73
SHA512f6dae13800866cb6cf76290b3e01a6920e78bcb79398f8d66d8c5a2fdec59a56dcc4ae3b50844b9fb0d95c6da1460cd5d3606fedfe67d18111b7add440001c2e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5777e6ed517ca5039e35fcfd1f2df7205
SHA13c372d5f21aa7c3dd5ab11d6b69aaa8c68758204
SHA256fc8a74a6b6515dfefc2839b7fa2b242feb7ee44b22ee3a823f595b4b301424e1
SHA5128f0599e1f1822faf216b2af9c57af1a5e04487dd5f7354a2e9b8678141c044bc8f84b197fbd6fdaea48d50391064ff8b68b833a618d5d26c46b66bf89d665ced
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f45322a0f5d5668d9c4c3b149a29a62
SHA1036fcd6327f0389909288e5a3cb1b6b82e491f04
SHA256d1c995742aa75706f782543fac5fa8210eb1375794ac1de2708d07be6e620727
SHA512e9732fe6d035d87914d971e35c754e78e787995d4c3e34bd5b697a75491469c9ee51a7708dc26f4928971ed0c4eda6ea7e8ec6601297a39bea78cf1546970870
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Filesize
4.2MB
MD52e38b6842c86df2443b2916c7c917e74
SHA1e0cc154868fbf891927ef1270d66dc41e85240e6
SHA256a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4
SHA512b4dc37a92ae5296cee1047a8cd051334570f8b8a8cf9f6c1bd5103a1ee9ee56f2ddc939ee1f75f3e50f99dbf0843152e4761b73134a94993eca21e67c4c7d535
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Filesize
4.2MB
MD52e38b6842c86df2443b2916c7c917e74
SHA1e0cc154868fbf891927ef1270d66dc41e85240e6
SHA256a263a539ab92eba46201029eac0f7f25fd2e07cce25fad6bb2425acd68aa13f4
SHA512b4dc37a92ae5296cee1047a8cd051334570f8b8a8cf9f6c1bd5103a1ee9ee56f2ddc939ee1f75f3e50f99dbf0843152e4761b73134a94993eca21e67c4c7d535
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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