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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
23/10/2023, 09:20
Static task
static1
General
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Target
c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe
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Size
4.1MB
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MD5
276e24539fd6fa4597d55fa9ca7f8bff
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SHA1
bc67a53310d0fc73ace17426fdad9727db016820
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SHA256
c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5
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SHA512
1dac52aa1b665a0d126e532090bde24f1cf0b868180038ec6f35795f0a6c404020c8cb657e8f8966bff71fbaa8204ef32eec806b86680949aea69cf7f69b5863
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SSDEEP
98304:NadcDEzvfIQt58f3o3QYVWhvfm4/xceNeGnmKid/N/rS2:gddzvAQtKP8Evf7K8nmKidl/7
Malware Config
Signatures
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Glupteba payload 23 IoCs
resource yara_rule behavioral1/memory/3300-2-0x0000000002E80000-0x000000000376B000-memory.dmp family_glupteba behavioral1/memory/3300-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-25-0x0000000002E80000-0x000000000376B000-memory.dmp family_glupteba behavioral1/memory/3300-28-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-31-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-59-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3316-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3316-91-0x0000000002A60000-0x0000000002E68000-memory.dmp family_glupteba behavioral1/memory/3316-97-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3316-98-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3316-153-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3316-159-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-242-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-271-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/544-294-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4752 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 544 csrss.exe 2448 injector.exe 2504 windefender.exe 4880 windefender.exe 4760 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022e54-265.dat upx behavioral1/files/0x0007000000022e54-267.dat upx behavioral1/files/0x0007000000022e54-268.dat upx behavioral1/memory/2504-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4880-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4880-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0007000000022e3c-290.dat upx behavioral1/files/0x0007000000022e3c-292.dat upx behavioral1/memory/4880-293-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\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 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 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 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4632 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 3808 schtasks.exe 5040 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,-92 = "Pacific SA Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\1a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-652 = "AUS Central 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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.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\1a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2088 powershell.exe 2088 powershell.exe 3300 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3300 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 4240 powershell.exe 4240 powershell.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 4196 powershell.exe 4196 powershell.exe 3900 powershell.exe 3900 powershell.exe 1844 powershell.exe 1844 powershell.exe 1212 powershell.exe 1212 powershell.exe 4440 powershell.exe 4440 powershell.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 544 csrss.exe 544 csrss.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 544 csrss.exe 544 csrss.exe 2448 injector.exe 2448 injector.exe 544 csrss.exe 544 csrss.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2088 powershell.exe Token: SeDebugPrivilege 3300 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Token: SeImpersonatePrivilege 3300 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 4196 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeDebugPrivilege 1844 powershell.exe Token: SeDebugPrivilege 1212 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeSystemEnvironmentPrivilege 544 csrss.exe Token: SeSecurityPrivilege 4632 sc.exe Token: SeSecurityPrivilege 4632 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3300 wrote to memory of 2088 3300 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 92 PID 3300 wrote to memory of 2088 3300 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 92 PID 3300 wrote to memory of 2088 3300 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 92 PID 3316 wrote to memory of 4240 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 98 PID 3316 wrote to memory of 4240 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 98 PID 3316 wrote to memory of 4240 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 98 PID 3316 wrote to memory of 4664 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 100 PID 3316 wrote to memory of 4664 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 100 PID 4664 wrote to memory of 4752 4664 cmd.exe 102 PID 4664 wrote to memory of 4752 4664 cmd.exe 102 PID 3316 wrote to memory of 4196 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 103 PID 3316 wrote to memory of 4196 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 103 PID 3316 wrote to memory of 4196 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 103 PID 3316 wrote to memory of 3900 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 106 PID 3316 wrote to memory of 3900 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 106 PID 3316 wrote to memory of 3900 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 106 PID 3316 wrote to memory of 544 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 108 PID 3316 wrote to memory of 544 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 108 PID 3316 wrote to memory of 544 3316 c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe 108 PID 544 wrote to memory of 1844 544 csrss.exe 109 PID 544 wrote to memory of 1844 544 csrss.exe 109 PID 544 wrote to memory of 1844 544 csrss.exe 109 PID 544 wrote to memory of 1212 544 csrss.exe 115 PID 544 wrote to memory of 1212 544 csrss.exe 115 PID 544 wrote to memory of 1212 544 csrss.exe 115 PID 544 wrote to memory of 4440 544 csrss.exe 118 PID 544 wrote to memory of 4440 544 csrss.exe 118 PID 544 wrote to memory of 4440 544 csrss.exe 118 PID 544 wrote to memory of 2448 544 csrss.exe 120 PID 544 wrote to memory of 2448 544 csrss.exe 120 PID 2504 wrote to memory of 3800 2504 windefender.exe 126 PID 2504 wrote to memory of 3800 2504 windefender.exe 126 PID 2504 wrote to memory of 3800 2504 windefender.exe 126 PID 3800 wrote to memory of 4632 3800 cmd.exe 127 PID 3800 wrote to memory of 4632 3800 cmd.exe 127 PID 3800 wrote to memory of 4632 3800 cmd.exe 127 PID 544 wrote to memory of 4760 544 csrss.exe 130 PID 544 wrote to memory of 4760 544 csrss.exe 130 PID 544 wrote to memory of 4760 544 csrss.exe 130 -
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\c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe"C:\Users\Admin\AppData\Local\Temp\c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2088
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C:\Users\Admin\AppData\Local\Temp\c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.exe"C:\Users\Admin\AppData\Local\Temp\c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5.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:3316 -
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:4240
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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:4664 -
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:4752
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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:4196
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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:3900
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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:544 -
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:1844
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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:3808
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2108
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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:1212
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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:4440
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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:2448
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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:5040
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2504 -
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:3800 -
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:4632
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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:4760
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4880
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
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
MD5e2266df50cbf07516412791592cedd15
SHA18da571831d60de26b130d7637ef55487cd553fb9
SHA2560ef99da411b4996ecea2081fdb01fafdae18c4b65dd791288ac160ea1372cae1
SHA512c71a43754f225b2862b31af96b08dfb9ea097aae98dc55338b881a5940978dd64e66b52e619af00a00751a7ac3b0042086bac612e9e6e154282880822ddec0a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1770b185b3bc4aec5e70c3740757e4f
SHA161f0e7e475b162370c264d7e6d7a7d8949c9f4a5
SHA2568f45b6ae914f116d6a2fb8c8d83bb377dd3cdafe0be68d6e07fdb421c3f22aa0
SHA51234d60b9bea3a9e133c80da7253876811bac5f0b0190325939767ee61f9bde452a13b35152c40c315c17a08f3475866505fc41baaab4e52851a2218bccd36b257
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a332b06c46d028208f281805863889b
SHA170c30862c80ba423b230600c6488472e8b27faf9
SHA25632584f7a65b843e6865d44295c274db68d007f790ca0ae7c60e1bbd624ad864e
SHA512550002b6fd40e776114c246e456fcd128d8b201db7c38d3f3fc8c65494128b539d01a4b3473c6553754c182ee9cab0e14540893a48f852e2ee0ac508522e109a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f8a719abbda7ccb8d38f43fe4e45a86
SHA1cc4f58432d7618040e35f316d4a5e6e9bb243dac
SHA2568d4b63b32b7366c489769b905bfe2feaaf8120e6920a48ab0a63ed8d4d88138e
SHA5125139937f2aba8d742fddb50b6ab9f7c0d3641697205e06eeb60cc8aea271fd2d78b741134233f5322ce1d8cdf7fad9629119d2648c239c9579d652e8bedf2950
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8e3fcc29dae224c03df6f262067598c
SHA19de3a974a93a929ccd793307a801fa5b28138521
SHA2561d4121b05ff686f47c5b4f09b1c591324348f00fd2cf4c7476b52597146111a7
SHA512daa2519f32cce31665e5dbc7b808eb01c69d5090282f0138ad8bd145024f8b9531d9ff9912cca00e2e60ca2d9b90474853936562b0a758342e5a785683607dfa
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Filesize
4.1MB
MD5276e24539fd6fa4597d55fa9ca7f8bff
SHA1bc67a53310d0fc73ace17426fdad9727db016820
SHA256c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5
SHA5121dac52aa1b665a0d126e532090bde24f1cf0b868180038ec6f35795f0a6c404020c8cb657e8f8966bff71fbaa8204ef32eec806b86680949aea69cf7f69b5863
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Filesize
4.1MB
MD5276e24539fd6fa4597d55fa9ca7f8bff
SHA1bc67a53310d0fc73ace17426fdad9727db016820
SHA256c468fa297d04584a04dc608fc7e68715a970cc89933aaa41681d41a1f7ad29a5
SHA5121dac52aa1b665a0d126e532090bde24f1cf0b868180038ec6f35795f0a6c404020c8cb657e8f8966bff71fbaa8204ef32eec806b86680949aea69cf7f69b5863
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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