Analysis
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max time kernel
138s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
24/08/2023, 14:34
Static task
static1
General
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Target
5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe
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Size
4.2MB
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MD5
166c664de53a4556807948e01ef8e0dc
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SHA1
bb51f50e509e4f6b11763381780d039fe75ebc65
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SHA256
5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04
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SHA512
66f6e65d50a62a470ad43fd53064100e729f00ae679dc5d048e4cc56ea79119689818e6814a72b7caf0ba061f7afd0b433cc7ce1790edb0a4a0e8bbbf9ad7e09
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SSDEEP
98304:vQAU/JbCGa0VyMjx/9gQYJ0q8t11Izr5cCm:3U/JbCG5sOxFRYJH8t1km
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1792-2-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral1/memory/1792-3-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1792-23-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral1/memory/1792-24-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1792-54-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/920-57-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/920-70-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/920-76-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/920-130-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/920-149-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-152-0x0000000004E00000-0x00000000056EB000-memory.dmp family_glupteba behavioral1/memory/64-153-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-154-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-222-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-243-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-252-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-254-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-256-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-264-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/64-265-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2768 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 64 csrss.exe 4908 injector.exe 4072 windefender.exe 752 windefender.exe 4052 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x00080000000231ae-246.dat upx behavioral1/files/0x00080000000231ae-248.dat upx behavioral1/files/0x00080000000231ae-249.dat upx behavioral1/memory/4072-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/752-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/752-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0003000000000713-261.dat upx behavioral1/files/0x0003000000000713-263.dat upx behavioral1/memory/752-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4052-267-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4052-269-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
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 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.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 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe File created C:\Windows\rss\csrss.exe 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2796 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4876 1792 WerFault.exe 80 2288 920 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4964 schtasks.exe 1360 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,-751 = "Tonga Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-92 = "Pacific SA Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\1e\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.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,-2531 = "Chatham Islands Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4140 powershell.exe 4140 powershell.exe 1792 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 1792 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 1052 powershell.exe 1052 powershell.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 1956 powershell.exe 1956 powershell.exe 3876 powershell.exe 3876 powershell.exe 2612 powershell.exe 2612 powershell.exe 3904 powershell.exe 3904 powershell.exe 2700 powershell.exe 2700 powershell.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 64 csrss.exe 64 csrss.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 64 csrss.exe 64 csrss.exe 4908 injector.exe 4908 injector.exe 64 csrss.exe 64 csrss.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe 4908 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 1792 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Token: SeImpersonatePrivilege 1792 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe Token: SeDebugPrivilege 1052 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 3876 powershell.exe Token: SeDebugPrivilege 2612 powershell.exe Token: SeDebugPrivilege 3904 powershell.exe Token: SeDebugPrivilege 2700 powershell.exe Token: SeSystemEnvironmentPrivilege 64 csrss.exe Token: SeSecurityPrivilege 2796 sc.exe Token: SeSecurityPrivilege 2796 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1792 wrote to memory of 4140 1792 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 86 PID 1792 wrote to memory of 4140 1792 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 86 PID 1792 wrote to memory of 4140 1792 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 86 PID 920 wrote to memory of 1052 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 96 PID 920 wrote to memory of 1052 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 96 PID 920 wrote to memory of 1052 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 96 PID 920 wrote to memory of 2536 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 99 PID 920 wrote to memory of 2536 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 99 PID 2536 wrote to memory of 2768 2536 cmd.exe 101 PID 2536 wrote to memory of 2768 2536 cmd.exe 101 PID 920 wrote to memory of 1956 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 103 PID 920 wrote to memory of 1956 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 103 PID 920 wrote to memory of 1956 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 103 PID 920 wrote to memory of 3876 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 104 PID 920 wrote to memory of 3876 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 104 PID 920 wrote to memory of 3876 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 104 PID 920 wrote to memory of 64 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 106 PID 920 wrote to memory of 64 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 106 PID 920 wrote to memory of 64 920 5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe 106 PID 64 wrote to memory of 2612 64 csrss.exe 109 PID 64 wrote to memory of 2612 64 csrss.exe 109 PID 64 wrote to memory of 2612 64 csrss.exe 109 PID 64 wrote to memory of 3904 64 csrss.exe 114 PID 64 wrote to memory of 3904 64 csrss.exe 114 PID 64 wrote to memory of 3904 64 csrss.exe 114 PID 64 wrote to memory of 2700 64 csrss.exe 118 PID 64 wrote to memory of 2700 64 csrss.exe 118 PID 64 wrote to memory of 2700 64 csrss.exe 118 PID 64 wrote to memory of 4908 64 csrss.exe 119 PID 64 wrote to memory of 4908 64 csrss.exe 119 PID 4072 wrote to memory of 3056 4072 windefender.exe 125 PID 4072 wrote to memory of 3056 4072 windefender.exe 125 PID 4072 wrote to memory of 3056 4072 windefender.exe 125 PID 3056 wrote to memory of 2796 3056 cmd.exe 126 PID 3056 wrote to memory of 2796 3056 cmd.exe 126 PID 3056 wrote to memory of 2796 3056 cmd.exe 126 PID 64 wrote to memory of 4052 64 csrss.exe 128 PID 64 wrote to memory of 4052 64 csrss.exe 128 PID 64 wrote to memory of 4052 64 csrss.exe 128
Processes
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C:\Users\Admin\AppData\Local\Temp\5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe"C:\Users\Admin\AppData\Local\Temp\5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4140
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C:\Users\Admin\AppData\Local\Temp\5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.exe"C:\Users\Admin\AppData\Local\Temp\5b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04.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:920 -
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:1052
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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:2536 -
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:2768
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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:1956
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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:3876
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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:64 -
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:2612
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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:4964
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2964
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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:3904
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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:2700
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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:4908
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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:1360
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4072 -
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:3056 -
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:2796
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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:4052 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2044
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:2756
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 6323⤵
- Program crash
PID:2288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 7882⤵
- Program crash
PID:4876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1792 -ip 17921⤵PID:584
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 920 -ip 9201⤵PID:3880
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:752
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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566aaa8acd77db0ef3bbb306f92143be9
SHA16bd263a44abc20ba8551833c747c3ac305dbf6c7
SHA25662e3611836612562cd78f14c150471483e6a144baaffbfe14988decfe368f9ab
SHA5125312dfc6e6042613647a2998e1b2d3a355a8dfa822173941887d33afab0060a0c1914b1dd00c01bc5af7ca5da7d36357475e7d0605717fdb9218babc0f4c9cb8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc9f946619351597ad0888cc74afae93
SHA1a3277513ed4fcdcfdbf7106dffd413514ea1b59e
SHA256818b2aaf4c011aa41e481cbc9507bd659f232f5c4609a654b01a6e8c27c1bfa3
SHA512582bc7cdd4706e295a390bcebbe53e4ddd8efaa4147f11ebc2aa75fd06421b0492af49fa27c020f2c02c4e49da703fbdf24953ed7f8133b1e98ce7a3df2c2a7b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55bc3aa7c59490f5f7d838808ff8c86f4
SHA152999dad9346be143c29c5c4324ff23af607195b
SHA256e92a4ac4e86cbdd59aa60891f82071bc536a295c5914f33d58f68c350269cdc4
SHA5121f28090b898ca6348e89dfeea37e8685d6e82739743fc06aac98c2bc59f15bdd8b137fbea16f8bbb12c66d64850d52f5800667856a6967d07e985428b1823fab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58aac048d13b480c3833998d1feaacf2c
SHA19aa745c7d5e8b435e1d7754d93cae6c55a16c14f
SHA2566af58847ee2373d169786fbd5847c24dd1125a25712fec7e117963bb7ebefeeb
SHA5129ec27ee7819913d3b20e27da9e3fc18b2d3f3e7ae8fe96d448e0008c70b87fd539d64439e12a2f3a00aaa668ba2b7b6861ada87d863f0502c9f32e450d859b79
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5041a3f93fd35273730368036539b8d8b
SHA12718da8bc0fc9cdf76b86b66c14b042bf866931c
SHA256e9eceb90454a5c1e84622e94965494daaa584853bee403351e3a7f208dd499f5
SHA512029f5972a161f5cd41974402b7db4db159e4612189b4083fc7470e8202091d74c5689eed7a7b6b93af965267f95cc8df6f3eda20f944184a9291f026d6e69671
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Filesize
4.2MB
MD5166c664de53a4556807948e01ef8e0dc
SHA1bb51f50e509e4f6b11763381780d039fe75ebc65
SHA2565b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04
SHA51266f6e65d50a62a470ad43fd53064100e729f00ae679dc5d048e4cc56ea79119689818e6814a72b7caf0ba061f7afd0b433cc7ce1790edb0a4a0e8bbbf9ad7e09
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Filesize
4.2MB
MD5166c664de53a4556807948e01ef8e0dc
SHA1bb51f50e509e4f6b11763381780d039fe75ebc65
SHA2565b2350e92772c905358ef034ccc912f66353344bbf0f3960093a3d58aa60bb04
SHA51266f6e65d50a62a470ad43fd53064100e729f00ae679dc5d048e4cc56ea79119689818e6814a72b7caf0ba061f7afd0b433cc7ce1790edb0a4a0e8bbbf9ad7e09
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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