Analysis
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max time kernel
300s -
max time network
306s -
platform
windows10-1703_x64 -
resource
win10-20240319-en -
resource tags
arch:x64arch:x86image:win10-20240319-enlocale:en-usos:windows10-1703-x64system -
submitted
18/04/2024, 22:18
Static task
static1
Behavioral task
behavioral1
Sample
076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe
Resource
win7-20240221-en
General
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Target
076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe
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Size
4.2MB
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MD5
ced6ec571bfc3b11ac6fe7100cc76330
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SHA1
c613bcdf38a9ce5e0f769961dafeefd9af4f8bd0
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SHA256
076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871
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SHA512
3284fdc090c98a9dee56166d056146a4d4402318d51ca36bd0411c3f92a5eda39d9d49ad182ec4b1f2d9c83613a1787b65650886515b2c9a2eef118a04e6a752
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SSDEEP
98304:duMksqipP1XHlFWFXwmFrGSppmsRKA6e2iRIo9R1q7CH3:5ks3vXHKFwmqsRR/2MI8a7CX
Malware Config
Signatures
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Glupteba payload 36 IoCs
resource yara_rule behavioral2/memory/5052-2-0x0000000005120000-0x0000000005A0B000-memory.dmp family_glupteba behavioral2/memory/5052-3-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/5052-301-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/5052-302-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/5052-304-0x0000000005120000-0x0000000005A0B000-memory.dmp family_glupteba behavioral2/memory/4108-309-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4108-581-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4108-1052-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1055-0x0000000005500000-0x0000000005DEB000-memory.dmp family_glupteba behavioral2/memory/3476-1056-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1331-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1802-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1803-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1811-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1813-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1815-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1817-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1819-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1821-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1823-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1825-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1827-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1829-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1831-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1833-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1835-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1837-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1839-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1841-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1843-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1845-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1847-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1849-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1851-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1853-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3476-1855-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4616 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3476 csrss.exe 4144 injector.exe 1380 windefender.exe 4436 windefender.exe -
resource yara_rule behavioral2/files/0x000800000001ac42-1806.dat upx behavioral2/memory/1380-1810-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4436-1812-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4436-1816-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3971934951-2222591486-1444465656-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3971934951-2222591486-1444465656-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.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 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 -
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 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe File created C:\Windows\rss\csrss.exe 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2136 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 3324 schtasks.exe 352 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\1a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\1a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5116 powershell.exe 5116 powershell.exe 5116 powershell.exe 5052 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 5052 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 824 powershell.exe 824 powershell.exe 824 powershell.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 3116 powershell.exe 3116 powershell.exe 3116 powershell.exe 524 powershell.exe 524 powershell.exe 524 powershell.exe 3452 powershell.exe 3452 powershell.exe 3452 powershell.exe 2516 powershell.exe 2516 powershell.exe 2516 powershell.exe 4636 powershell.exe 4636 powershell.exe 4636 powershell.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 3476 csrss.exe 3476 csrss.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 3476 csrss.exe 3476 csrss.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 3476 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 5052 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Token: SeImpersonatePrivilege 5052 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe Token: SeDebugPrivilege 824 powershell.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 524 powershell.exe Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 2516 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeSystemEnvironmentPrivilege 3476 csrss.exe Token: SeSecurityPrivilege 2136 sc.exe Token: SeSecurityPrivilege 2136 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5052 wrote to memory of 5116 5052 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 73 PID 5052 wrote to memory of 5116 5052 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 73 PID 5052 wrote to memory of 5116 5052 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 73 PID 4108 wrote to memory of 824 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 78 PID 4108 wrote to memory of 824 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 78 PID 4108 wrote to memory of 824 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 78 PID 4108 wrote to memory of 508 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 80 PID 4108 wrote to memory of 508 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 80 PID 508 wrote to memory of 4616 508 cmd.exe 82 PID 508 wrote to memory of 4616 508 cmd.exe 82 PID 4108 wrote to memory of 3116 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 83 PID 4108 wrote to memory of 3116 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 83 PID 4108 wrote to memory of 3116 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 83 PID 4108 wrote to memory of 524 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 85 PID 4108 wrote to memory of 524 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 85 PID 4108 wrote to memory of 524 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 85 PID 4108 wrote to memory of 3476 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 87 PID 4108 wrote to memory of 3476 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 87 PID 4108 wrote to memory of 3476 4108 076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe 87 PID 3476 wrote to memory of 3452 3476 csrss.exe 88 PID 3476 wrote to memory of 3452 3476 csrss.exe 88 PID 3476 wrote to memory of 3452 3476 csrss.exe 88 PID 3476 wrote to memory of 2516 3476 csrss.exe 95 PID 3476 wrote to memory of 2516 3476 csrss.exe 95 PID 3476 wrote to memory of 2516 3476 csrss.exe 95 PID 3476 wrote to memory of 4636 3476 csrss.exe 97 PID 3476 wrote to memory of 4636 3476 csrss.exe 97 PID 3476 wrote to memory of 4636 3476 csrss.exe 97 PID 3476 wrote to memory of 4144 3476 csrss.exe 99 PID 3476 wrote to memory of 4144 3476 csrss.exe 99 PID 1380 wrote to memory of 1256 1380 windefender.exe 107 PID 1380 wrote to memory of 1256 1380 windefender.exe 107 PID 1380 wrote to memory of 1256 1380 windefender.exe 107 PID 1256 wrote to memory of 2136 1256 cmd.exe 108 PID 1256 wrote to memory of 2136 1256 cmd.exe 108 PID 1256 wrote to memory of 2136 1256 cmd.exe 108 -
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\076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe"C:\Users\Admin\AppData\Local\Temp\076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5116
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C:\Users\Admin\AppData\Local\Temp\076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe"C:\Users\Admin\AppData\Local\Temp\076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:4108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:824
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C:\Windows\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:508 -
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
- Modifies data under HKEY_USERS
PID:4616
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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:3116
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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:524
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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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476 -
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:3452
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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:3324
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3988
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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:2516
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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:4636
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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:4144
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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:352
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1380 -
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:1256 -
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:2136
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4436
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e1b4397aa8cd77d02a036e513311d001
SHA111c224cab9db2b83b2611a833538adc651a4cf3b
SHA2565ec8ce22bb14c85c4c1ddeef9e49f860fd084124b371dfa030bfe33a42629d62
SHA51209bd117dffa54a04c6d19d697cd88613675f8dbaa1fb8df9623e121fa2b7055cdd35045a63f624cea56790afe0327eb60eb11c0f86a759e8ce0cdd100e6cfa39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD590de5d598de390e693ec2a781757f6c0
SHA14b0e1cc6482d991aa8aeb2f08524cf80724da897
SHA256a0c59fbdb10e59f1101dcf9d302b652f3e0f55731675bc9d1f285ab0892f2c8b
SHA512049cc96823897e067f9711d813ca85098927a24e8198ff1fb42b7d43b61b21ca426bccadbe3c2457032b1eb5ea57fbac4dffd0389501fe7f70d59f504ae7a0c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5519ac960c02cd0122cd159c5157b16dd
SHA128f3fd386ff5c464831b08f44f578048fbdccbb8
SHA256f59858ae7fa9ee16efec85207b87af7562e3a03ba313c5235b28ff1e5ec9d278
SHA512274aa3cdb7d6b9fed620ee05cc22a2d5c20d23cf8a509c80826a68248cc2125789d7f586c0da53db70a4650feb5330e65ddc8ea78d4fb3d57d091dc2863dba97
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5fbd064decde4d8baef31c7f97d8a3d4f
SHA1d9fe7852bb7b7fb80d7d140b92f763ab7cfa3f85
SHA256765d9be2fb59a8b565ad82ad7f369422dcd141795ebaeb00a231cd2f8036019d
SHA5120f39e8605127ba811d34bba52d3d4d0d29f9420de8036c240e649afc2ee29a8fa05e0c2d3547738131595d4e8e55ebaeb39286375d1a925deda5c2cbdf03f138
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58a03250f400f6055a78b04ac8df7bd93
SHA19f32a1ca338516bf7602301de4e82434544435c1
SHA2567170a369b7a6e0f01a93fc7dd052672d49f4eca80855a3344d08e7d3b738be4f
SHA512c342aee2091f5eedccb6c75191aad7b76220b7afb0b3c44d052cb62e7768636ecdd89ac453be079a83890fc8f3cae683f514a1dec7c0d1547f0fb0462dfd26eb
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Filesize
4.2MB
MD5ced6ec571bfc3b11ac6fe7100cc76330
SHA1c613bcdf38a9ce5e0f769961dafeefd9af4f8bd0
SHA256076dabe6d821f5380a0d29dc071a82564928674bcf177610083e25f4f2c22871
SHA5123284fdc090c98a9dee56166d056146a4d4402318d51ca36bd0411c3f92a5eda39d9d49ad182ec4b1f2d9c83613a1787b65650886515b2c9a2eef118a04e6a752
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec