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Analysis
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max time kernel
146s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
06/08/2023, 12:01
Static task
static1
General
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Target
25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe
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Size
4.2MB
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MD5
f295baaa1740f2bcf4dfa5cd1aeac4e6
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SHA1
aff0fdf10f3d048bbf9d0806d237ee496c755029
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SHA256
25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1
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SHA512
5ca923474e70af6296102103a74c0400a35b33cd9a15ef05441e401ad2649a174cd9c1809f51b445186c1ccdf5494ae150bdad855049162c8ef034cccb5ab0b8
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SSDEEP
98304:vLstemEnvDw4c/T2FbBYCti4u4D0pSPIBYqqh:vLRvHm6hM4u4opSPI2
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/3904-135-0x00000000048F0000-0x00000000051DB000-memory.dmp family_glupteba behavioral1/memory/3904-136-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/3904-156-0x00000000048F0000-0x00000000051DB000-memory.dmp family_glupteba behavioral1/memory/3904-158-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/3904-159-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/3904-186-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/3904-190-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4548-193-0x0000000004920000-0x000000000520B000-memory.dmp family_glupteba behavioral1/memory/4548-194-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4548-221-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4548-251-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4548-285-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-289-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-315-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-369-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-377-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-386-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-388-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-390-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-392-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-394-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/4988-403-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 552 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4988 csrss.exe 3692 injector.exe 4472 windefender.exe 4728 windefender.exe 2932 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000023209-380.dat upx behavioral1/files/0x0007000000023209-381.dat upx behavioral1/files/0x0007000000023209-383.dat upx behavioral1/memory/4472-385-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-387-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-391-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000300000000072f-398.dat upx behavioral1/files/0x000300000000072f-400.dat upx behavioral1/memory/4728-402-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2932-404-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2932-406-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\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 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 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe File created C:\Windows\rss\csrss.exe 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.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 3304 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 3236 schtasks.exe 2000 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.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,-112 = "Eastern 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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.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,-1662 = "Bahia Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.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\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-342 = "Egypt Standard 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3040 powershell.exe 3040 powershell.exe 3904 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 3904 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 3100 powershell.exe 3100 powershell.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 3948 powershell.exe 3948 powershell.exe 1992 powershell.exe 1992 powershell.exe 3228 powershell.exe 3228 powershell.exe 1108 powershell.exe 1108 powershell.exe 2488 powershell.exe 2488 powershell.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 4988 csrss.exe 4988 csrss.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 4988 csrss.exe 4988 csrss.exe 3692 injector.exe 3692 injector.exe 4988 csrss.exe 4988 csrss.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 3904 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Token: SeImpersonatePrivilege 3904 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 1992 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeDebugPrivilege 1108 powershell.exe Token: SeDebugPrivilege 2488 powershell.exe Token: SeSystemEnvironmentPrivilege 4988 csrss.exe Token: SeSecurityPrivilege 3304 sc.exe Token: SeSecurityPrivilege 3304 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3904 wrote to memory of 3040 3904 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 87 PID 3904 wrote to memory of 3040 3904 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 87 PID 3904 wrote to memory of 3040 3904 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 87 PID 4548 wrote to memory of 3100 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 94 PID 4548 wrote to memory of 3100 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 94 PID 4548 wrote to memory of 3100 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 94 PID 4548 wrote to memory of 1756 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 98 PID 4548 wrote to memory of 1756 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 98 PID 1756 wrote to memory of 552 1756 cmd.exe 99 PID 1756 wrote to memory of 552 1756 cmd.exe 99 PID 4548 wrote to memory of 3948 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 100 PID 4548 wrote to memory of 3948 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 100 PID 4548 wrote to memory of 3948 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 100 PID 4548 wrote to memory of 1992 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 102 PID 4548 wrote to memory of 1992 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 102 PID 4548 wrote to memory of 1992 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 102 PID 4548 wrote to memory of 4988 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 104 PID 4548 wrote to memory of 4988 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 104 PID 4548 wrote to memory of 4988 4548 25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe 104 PID 4988 wrote to memory of 3228 4988 csrss.exe 105 PID 4988 wrote to memory of 3228 4988 csrss.exe 105 PID 4988 wrote to memory of 3228 4988 csrss.exe 105 PID 4988 wrote to memory of 1108 4988 csrss.exe 109 PID 4988 wrote to memory of 1108 4988 csrss.exe 109 PID 4988 wrote to memory of 1108 4988 csrss.exe 109 PID 4988 wrote to memory of 2488 4988 csrss.exe 113 PID 4988 wrote to memory of 2488 4988 csrss.exe 113 PID 4988 wrote to memory of 2488 4988 csrss.exe 113 PID 4988 wrote to memory of 3692 4988 csrss.exe 115 PID 4988 wrote to memory of 3692 4988 csrss.exe 115 PID 4472 wrote to memory of 2132 4472 windefender.exe 121 PID 4472 wrote to memory of 2132 4472 windefender.exe 121 PID 4472 wrote to memory of 2132 4472 windefender.exe 121 PID 2132 wrote to memory of 3304 2132 cmd.exe 122 PID 2132 wrote to memory of 3304 2132 cmd.exe 122 PID 2132 wrote to memory of 3304 2132 cmd.exe 122 PID 4988 wrote to memory of 2932 4988 csrss.exe 124 PID 4988 wrote to memory of 2932 4988 csrss.exe 124 PID 4988 wrote to memory of 2932 4988 csrss.exe 124
Processes
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C:\Users\Admin\AppData\Local\Temp\25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe"C:\Users\Admin\AppData\Local\Temp\25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040
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C:\Users\Admin\AppData\Local\Temp\25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.exe"C:\Users\Admin\AppData\Local\Temp\25239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1.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:4548 -
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:3100
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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:1756 -
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:552
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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:3948
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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:1992
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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:4988 -
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:3228
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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:3236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4820
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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:1108
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2488
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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:3692
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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:2000
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4472 -
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:2132 -
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:3304
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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:2932 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4296
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:564
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4728
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
MD56bbbe24ec9e5ec56813e9356eba774bc
SHA1493f47f9662832815f5919a44f7c1aaf9974afd3
SHA25627513901301ab302644417c39dba3dd6039625e7b6ec7f84c2b555894b99c101
SHA5123a47549411c7abeff2ee5178827af47ff94e601a5eea4a6df3af3fe015124c4c704c960f112373ff41179af0bf1b6399ab02f11d51010385cb9fef6ed3c91c1e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561ae5f3886c50928575785a560be311c
SHA164988957209dd453ae069120155888ab586a10c4
SHA256aac6931aed5b281e2924e01b7710abb957f82ddbdb0e029cdbd089a40700eff9
SHA512475502aaedd42d773d2cd9875fd7c1d13d884b26a6ab8f96d777417b62bc4a359daf308e61b5c122866c613aef10c221fdd3b07a841b0060e1199419ebfeeab3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afb3efd1019e37d0ced1340beee1060f
SHA1e71be602810eb94fdacfc37d8c1c18cbb1655382
SHA256f581e503371e2fcd1c72d4dc1f3dcc5c60fb42f368eedf8ac13bce23082f7a04
SHA5121d75f52513faeda45bfccceb06ebce2e8cfbb0a09fd279a5e9aad5ddd0ad0441d5e1aca1c6275c68c6be6fc6c878d7d32ff54e3e507c0adcd351bfece058092a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD563417599d36ca37d0ea9955c9f26f4a9
SHA1356b2f986a08b77d4bf707aa07cfc3e9fd12db61
SHA256749a83eeb25dcb16557c38002fc33498165a286561e1ca37a9706539db7672d4
SHA5124d5ac546e663d0c4f2850766334ee19b517557c957ef061414384b6797e58fd1f404e4c9233dd6745ff7cfe97a6ef20e6fa81c2258700f9e309fbb6025e8177a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56397b667247609b381b82270fcd1008f
SHA13fd87847d9578e4b01616bdf4c5ab7e33ac7fbf0
SHA256a9c84864c823006dc67a3352d97bcfee5900c40365e7ee71ab5486e75fb57c5d
SHA51283cd069aa45b56b0bf12b08ab0525a43ce4e001abd16a57575ee6495aecdee949f1c10112193efec4f64d7348c2d04721dbf450f4de46178b3f1ba0b2fa99a4d
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Filesize
4.2MB
MD5f295baaa1740f2bcf4dfa5cd1aeac4e6
SHA1aff0fdf10f3d048bbf9d0806d237ee496c755029
SHA25625239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1
SHA5125ca923474e70af6296102103a74c0400a35b33cd9a15ef05441e401ad2649a174cd9c1809f51b445186c1ccdf5494ae150bdad855049162c8ef034cccb5ab0b8
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Filesize
4.2MB
MD5f295baaa1740f2bcf4dfa5cd1aeac4e6
SHA1aff0fdf10f3d048bbf9d0806d237ee496c755029
SHA25625239f9d17bd95bfa2e71c3fa08c05e3d05a885dc356bc659f8d27537b5d2ff1
SHA5125ca923474e70af6296102103a74c0400a35b33cd9a15ef05441e401ad2649a174cd9c1809f51b445186c1ccdf5494ae150bdad855049162c8ef034cccb5ab0b8
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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