Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05/06/2023, 23:34
Static task
static1
General
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Target
8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe
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Size
4.2MB
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MD5
3e66985aa211778e5e8366037ffd6fa6
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SHA1
e39b3f29cc849a414e9d0755a3654e183a78566b
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SHA256
8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668
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SHA512
c92f901082ddca2eebe74ca32447e1d906cfe524b4eab462956a33c5058697b097d858dc5dce48b39e712970f015f021c6b46e07a23aad572f78751af3c818a0
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SSDEEP
98304:tK8xX8Q8pMrst3RjArmkDARB+D43MsjKdRmGOh6QxIoa:tB8Bp2Trmmij8sjKdRXOh6QxO
Malware Config
Signatures
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Glupteba payload 13 IoCs
resource yara_rule behavioral1/memory/1176-134-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/1176-173-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/1176-204-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/4928-231-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/4928-279-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2476-319-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2476-355-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2476-366-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2476-370-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2476-374-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2476-378-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2476-382-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2476-392-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4048 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2476 csrss.exe 3256 injector.exe 3196 windefender.exe 3392 windefender.exe 532 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000002318d-359.dat upx behavioral1/files/0x000700000002318d-360.dat upx behavioral1/files/0x000700000002318d-361.dat upx behavioral1/memory/3196-362-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3392-363-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3196-364-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3392-368-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3392-376-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0003000000000731-387.dat upx behavioral1/files/0x0003000000000731-388.dat upx behavioral1/memory/532-389-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/3392-390-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-394-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/532-396-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.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\"" 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 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 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 -
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 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.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 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe File created C:\Windows\rss\csrss.exe 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.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 1388 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 4520 schtasks.exe 4428 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,-3052 = "Qyzylorda Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.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" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2532 = "Chatham Islands 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-331 = "E. Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.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\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.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" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-672 = "AUS Eastern Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-2181 = "Astrakhan Daylight Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1652 powershell.exe 1652 powershell.exe 1176 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 1176 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4092 powershell.exe 4092 powershell.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 2524 powershell.exe 2524 powershell.exe 4524 powershell.exe 4524 powershell.exe 4336 powershell.exe 4336 powershell.exe 5012 powershell.exe 5012 powershell.exe 3352 powershell.exe 3352 powershell.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 2476 csrss.exe 2476 csrss.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 2476 csrss.exe 2476 csrss.exe 2476 csrss.exe 2476 csrss.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 1176 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Token: SeImpersonatePrivilege 1176 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeDebugPrivilege 2524 powershell.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 4336 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeSystemEnvironmentPrivilege 2476 csrss.exe Token: SeSecurityPrivilege 1388 sc.exe Token: SeSecurityPrivilege 1388 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1176 wrote to memory of 1652 1176 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 86 PID 1176 wrote to memory of 1652 1176 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 86 PID 1176 wrote to memory of 1652 1176 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 86 PID 4928 wrote to memory of 4092 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 94 PID 4928 wrote to memory of 4092 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 94 PID 4928 wrote to memory of 4092 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 94 PID 4928 wrote to memory of 3044 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 98 PID 4928 wrote to memory of 3044 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 98 PID 3044 wrote to memory of 4048 3044 cmd.exe 100 PID 3044 wrote to memory of 4048 3044 cmd.exe 100 PID 4928 wrote to memory of 2524 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 101 PID 4928 wrote to memory of 2524 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 101 PID 4928 wrote to memory of 2524 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 101 PID 4928 wrote to memory of 4524 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 103 PID 4928 wrote to memory of 4524 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 103 PID 4928 wrote to memory of 4524 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 103 PID 4928 wrote to memory of 2476 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 106 PID 4928 wrote to memory of 2476 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 106 PID 4928 wrote to memory of 2476 4928 8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe 106 PID 2476 wrote to memory of 4336 2476 csrss.exe 107 PID 2476 wrote to memory of 4336 2476 csrss.exe 107 PID 2476 wrote to memory of 4336 2476 csrss.exe 107 PID 2476 wrote to memory of 5012 2476 csrss.exe 113 PID 2476 wrote to memory of 5012 2476 csrss.exe 113 PID 2476 wrote to memory of 5012 2476 csrss.exe 113 PID 2476 wrote to memory of 3352 2476 csrss.exe 115 PID 2476 wrote to memory of 3352 2476 csrss.exe 115 PID 2476 wrote to memory of 3352 2476 csrss.exe 115 PID 2476 wrote to memory of 3256 2476 csrss.exe 117 PID 2476 wrote to memory of 3256 2476 csrss.exe 117 PID 3196 wrote to memory of 2008 3196 windefender.exe 123 PID 3196 wrote to memory of 2008 3196 windefender.exe 123 PID 3196 wrote to memory of 2008 3196 windefender.exe 123 PID 2008 wrote to memory of 1388 2008 cmd.exe 124 PID 2008 wrote to memory of 1388 2008 cmd.exe 124 PID 2008 wrote to memory of 1388 2008 cmd.exe 124 PID 2476 wrote to memory of 532 2476 csrss.exe 126 PID 2476 wrote to memory of 532 2476 csrss.exe 126 PID 2476 wrote to memory of 532 2476 csrss.exe 126 -
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\8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe"C:\Users\Admin\AppData\Local\Temp\8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1652
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C:\Users\Admin\AppData\Local\Temp\8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.exe"C:\Users\Admin\AppData\Local\Temp\8fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668.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:4928 -
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:4092
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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:3044 -
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:4048
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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:2524
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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:4524
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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:2476 -
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:4336
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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:4520
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2180
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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:5012
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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:3352
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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:3256
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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:4428
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3196 -
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:2008 -
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:1388
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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:532 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2308
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:228
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3392
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD540fca8b42bcd6faa639e25915d983172
SHA11cd996e7439378326904f79975b3680c9f7adb3f
SHA2561b281addf9df20ce3dc7108c6f541a3bfafbf2025de4bb88a33e21402ec7aefe
SHA512ea40f2512f2f85bb2b7c0b016c6da8fb5bb9ec2e4f2ce8273a57dc092aaa146b6b9d46817f9560d2acb0461e6c1862803c2b8bd6f287993f03c048c9d667c108
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c26efe74ca4d8df05774fd44681fb53
SHA10e673c99539538540e764194e7f8d7e58f0557a2
SHA256c8cf41ef05c6b5d1fb48fce58d2f7e117071a14c6c888350518970126b96eb41
SHA512b015b1901268b11ae7a342434b2a7b9afb21a0cd0466497861daa4f0a1769331b9547dae1154cd7f4dd23d2c0a87285a0d8c2fe120cc248815caab0644641205
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1d9fbf94259751b8aaaa48da3da2007
SHA1e53d1c25dfe76480c72513a0266e6c60ce53d8cd
SHA256500d32f0ed0879219b42e543c4e77fb19e35a35cc18674801be3faec1f87ef09
SHA512ef781989380d0f1806f64b9f0d7de0942e4bb994c8536a83110754a573ddaf15f3924d5530eb35fc74c3bdf0a09f089d888ec0109af08b5e53c0e8118c446386
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b61e27885b9db1be1b7885e86c9d0aaa
SHA18a5fb429e9edfcf7108b7db0f461243be296da9f
SHA256a983827cef78bb01504a0349e539b890b84469cd9ead893b09379f2eae1a142a
SHA5123545d798f2d9876d31052a9b1a3fabe5a6389d34a4250953392ea5ddd556edad106bfd45e161e9fff5e83acf509f391cc0d6f1b8173af9a0c4e2339776a40e0d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b86579f8cd697e45a37c41ceaf7a4a0e
SHA113f57d553d03a98e650aae1e9f6c1dfce0b62d0a
SHA25610608d0206b47ea41713ee52b0ee9f5b5d05968f31575bf50e732c18fbebbd2c
SHA512949425c8a5386b4163089debdba9d7d992debb5fbbb8ca2240eb664924067cd22bdf6005d73216da0b07fe830c994caf2c42a8eb6e8334c10974d1f14389e54d
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Filesize
4.2MB
MD53e66985aa211778e5e8366037ffd6fa6
SHA1e39b3f29cc849a414e9d0755a3654e183a78566b
SHA2568fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668
SHA512c92f901082ddca2eebe74ca32447e1d906cfe524b4eab462956a33c5058697b097d858dc5dce48b39e712970f015f021c6b46e07a23aad572f78751af3c818a0
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Filesize
4.2MB
MD53e66985aa211778e5e8366037ffd6fa6
SHA1e39b3f29cc849a414e9d0755a3654e183a78566b
SHA2568fc9b723fdd28d32dfc48560f576fd5db12b03aafed547e4ce8563f905e50668
SHA512c92f901082ddca2eebe74ca32447e1d906cfe524b4eab462956a33c5058697b097d858dc5dce48b39e712970f015f021c6b46e07a23aad572f78751af3c818a0
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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