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Analysis
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max time kernel
152s -
max time network
153s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
28/10/2023, 21:31
Static task
static1
General
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Target
e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe
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Size
4.1MB
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MD5
05892f3654f0f678488f4b747d4be0c9
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SHA1
0c2136ded2544536f74853edad6967b7a35bb257
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SHA256
e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658
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SHA512
8cfa55cd969ebd102d41f7e174522b41a0c0ca048226ef001bbbc055179099b277dce5a4d3946d10c2672fb0271585078e9c74f0e2dd2d739f33ac5d371982d6
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SSDEEP
98304:mrJ1/PL7PkMRfe+PdqMQcIJNuIeVTX7Carm2LJcycQ0FOlj5V:oJx/PTf+QIJNujNWgrcphO/V
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/5040-2-0x0000000002FC0000-0x00000000038AB000-memory.dmp family_glupteba behavioral1/memory/5040-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5040-16-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5040-17-0x0000000002FC0000-0x00000000038AB000-memory.dmp family_glupteba behavioral1/memory/5040-303-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5040-306-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2968-309-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2968-558-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2968-899-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2968-1049-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1052-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1079-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1303-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1326-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1800-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1804-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1812-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1814-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1816-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2088-1818-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2484 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2088 csrss.exe 4780 injector.exe 4180 windefender.exe 3876 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001abc4-1807.dat upx behavioral1/files/0x000700000001abc4-1809.dat upx behavioral1/files/0x000700000001abc4-1810.dat upx behavioral1/memory/4180-1811-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3876-1813-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3876-1817-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\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 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe File created C:\Windows\rss\csrss.exe e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.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 2964 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 3960 schtasks.exe 2236 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.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\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.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,-442 = "Arabian Standard Time" windefender.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\1a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\TrustedPeople\CRLs powershell.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\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4216 powershell.exe 4216 powershell.exe 4216 powershell.exe 5040 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 5040 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 1360 powershell.exe 1360 powershell.exe 1360 powershell.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 1724 powershell.exe 1724 powershell.exe 1724 powershell.exe 4580 powershell.exe 4580 powershell.exe 4580 powershell.exe 4100 powershell.exe 4100 powershell.exe 4100 powershell.exe 2224 powershell.exe 2224 powershell.exe 2224 powershell.exe 2396 powershell.exe 2396 powershell.exe 2396 powershell.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 2088 csrss.exe 2088 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 2088 csrss.exe 2088 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 2088 csrss.exe 2088 csrss.exe 4780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 5040 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Token: SeImpersonatePrivilege 5040 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 1724 powershell.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 4100 powershell.exe Token: SeDebugPrivilege 2224 powershell.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeSystemEnvironmentPrivilege 2088 csrss.exe Token: SeSecurityPrivilege 2964 sc.exe Token: SeSecurityPrivilege 2964 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5040 wrote to memory of 4216 5040 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 72 PID 5040 wrote to memory of 4216 5040 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 72 PID 5040 wrote to memory of 4216 5040 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 72 PID 2968 wrote to memory of 1360 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 77 PID 2968 wrote to memory of 1360 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 77 PID 2968 wrote to memory of 1360 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 77 PID 2968 wrote to memory of 3524 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 79 PID 2968 wrote to memory of 3524 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 79 PID 3524 wrote to memory of 2484 3524 cmd.exe 81 PID 3524 wrote to memory of 2484 3524 cmd.exe 81 PID 2968 wrote to memory of 1724 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 82 PID 2968 wrote to memory of 1724 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 82 PID 2968 wrote to memory of 1724 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 82 PID 2968 wrote to memory of 4580 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 84 PID 2968 wrote to memory of 4580 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 84 PID 2968 wrote to memory of 4580 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 84 PID 2968 wrote to memory of 2088 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 86 PID 2968 wrote to memory of 2088 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 86 PID 2968 wrote to memory of 2088 2968 e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe 86 PID 2088 wrote to memory of 4100 2088 csrss.exe 87 PID 2088 wrote to memory of 4100 2088 csrss.exe 87 PID 2088 wrote to memory of 4100 2088 csrss.exe 87 PID 2088 wrote to memory of 2224 2088 csrss.exe 94 PID 2088 wrote to memory of 2224 2088 csrss.exe 94 PID 2088 wrote to memory of 2224 2088 csrss.exe 94 PID 2088 wrote to memory of 2396 2088 csrss.exe 96 PID 2088 wrote to memory of 2396 2088 csrss.exe 96 PID 2088 wrote to memory of 2396 2088 csrss.exe 96 PID 2088 wrote to memory of 4780 2088 csrss.exe 98 PID 2088 wrote to memory of 4780 2088 csrss.exe 98 PID 4180 wrote to memory of 3000 4180 windefender.exe 105 PID 4180 wrote to memory of 3000 4180 windefender.exe 105 PID 4180 wrote to memory of 3000 4180 windefender.exe 105 PID 3000 wrote to memory of 2964 3000 cmd.exe 106 PID 3000 wrote to memory of 2964 3000 cmd.exe 106 PID 3000 wrote to memory of 2964 3000 cmd.exe 106 -
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\e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe"C:\Users\Admin\AppData\Local\Temp\e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4216
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C:\Users\Admin\AppData\Local\Temp\e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.exe"C:\Users\Admin\AppData\Local\Temp\e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658.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:2968 -
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:1360
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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:3524 -
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:2484
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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:1724
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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:4580
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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:2088 -
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:4100
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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:2236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2556
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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:2224
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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:2396
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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:4780
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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:3960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4180 -
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:3000 -
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:2964
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3876
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5575c9585598d835016fc2f35020c815d
SHA113c83d332fc90ff7c53ae1992082dd117d8b725c
SHA256aeb46e7bdf2c968fa36648d19bcee5278b1f6a54a106dfa451dd03d2a14b17f0
SHA512d9964c6ac0cbd434d7b14589cb9f628bef755141b8c9957d046f5b51b93e7ed88158e93dee068110e5a07457b83e4f5ad6e036ffff096ce92b9d5b3ce78e62f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5a7061e1c7f83bf964ac63c440c8787d6
SHA1d2136846bc2f049625ad6daa2cd5b6a01fb117d1
SHA256fdd3a4d64a34be5eced3282d3a386b4b8a6ba31c2d50f79fd7db6daecfb96ccb
SHA512c1229574f9f2204b1dbd8639297f5a2fc0a87cc2e3ab09c1bf774a7bb61933bac5f89c52f999b68c1917ff2f91741b4b7bc17c4f7f8ae3603a2752c3b4977708
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD56bf05547a1604bc6d48d49cd4b1cbd46
SHA11ede3b84815c62a73a738a5a57088b2494d7a6a0
SHA256d26c77e267115807b5e02375c939937ee1d9dadb21246c53c4c7fafd3aaed3d5
SHA5124598740590c21ee3d987dc72f7d3062fab6552d893d9750e64cdd52afa4b99d717be8564ef0a9470371f50ab9108931e2e0deecefa97df25dec9d53f576ea75c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5df1ef6e3f92e1649261b460f8967c524
SHA1f30f5b2ee67936d1a0dee98214f1505e05c6ce77
SHA2563ae9c5c27cfc5075c5eaa10473a91f5f73f76f2abedf381c7ae39c81332a30a7
SHA51202f6bed57b99e40cae6a16a1d547e39d619db45d43cd523a5502f54e959765dc9dd0eb8a2b347f27fe800bd5860c0a53290a04e2180b224c5d3986b95b263cd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD54ecbcf5c83e1f820f895276482c2dcd7
SHA178a272d396f3a967fc2401b53fcc4d730ca91443
SHA256bd23a6d54b06cc6b35c93785ad921b6aeb357ad7093e96bedbb6bdb4d45bcb0f
SHA51298784ae6d1cfc101df838f81c66417ac21b47b68e4ef2dae741fbda910f22daf0ccd762e90675071ebf27db699ca52d6a01b4437756da126e57e0fc86bf4898f
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Filesize
4.1MB
MD505892f3654f0f678488f4b747d4be0c9
SHA10c2136ded2544536f74853edad6967b7a35bb257
SHA256e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658
SHA5128cfa55cd969ebd102d41f7e174522b41a0c0ca048226ef001bbbc055179099b277dce5a4d3946d10c2672fb0271585078e9c74f0e2dd2d739f33ac5d371982d6
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Filesize
4.1MB
MD505892f3654f0f678488f4b747d4be0c9
SHA10c2136ded2544536f74853edad6967b7a35bb257
SHA256e73bc77da7178e1d79261350e080106e9ca62f627eced30d0f78acf6752c1658
SHA5128cfa55cd969ebd102d41f7e174522b41a0c0ca048226ef001bbbc055179099b277dce5a4d3946d10c2672fb0271585078e9c74f0e2dd2d739f33ac5d371982d6
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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