Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
07/06/2023, 10:18
Static task
static1
General
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Target
fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe
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Size
4.2MB
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MD5
d281eba56c714496ad2f600ec4ab28db
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SHA1
8306c2297da68cee59250df2cbae68dcd0321772
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SHA256
fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b
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SHA512
fdf67fe88c3e1854529b2eaaf2e2f547370247cf50e95d7585a5c6fa39f4fb931c03f682d5c229aa29e41f4fc951105403867c5b5100d045ff119ef92c001443
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SSDEEP
98304:vxwPu98IQXpACiy6CclaxsM3CJSQ1+gsp/1AQGn9j4:5wPu98IQXaCBwa/CJH+gsdOF98
Malware Config
Signatures
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Glupteba payload 14 IoCs
resource yara_rule behavioral1/memory/1400-134-0x0000000004CB0000-0x000000000559B000-memory.dmp family_glupteba behavioral1/memory/1400-157-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/1400-160-0x0000000004CB0000-0x000000000559B000-memory.dmp family_glupteba behavioral1/memory/1400-194-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4516-211-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4516-279-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4556-331-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4556-355-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4556-366-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4556-370-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4556-374-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4556-378-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4556-388-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba behavioral1/memory/4556-391-0x0000000000400000-0x000000000295A000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2556 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4556 csrss.exe 4464 injector.exe 2136 windefender.exe 1228 windefender.exe 4196 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000002315d-359.dat upx behavioral1/memory/2136-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000700000002315d-362.dat upx behavioral1/files/0x000700000002315d-363.dat upx behavioral1/memory/1228-365-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2136-364-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1228-377-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00070000000230e5-385.dat upx behavioral1/files/0x00070000000230e5-386.dat upx behavioral1/memory/4196-387-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/1228-389-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4196-393-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4196-397-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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 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 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 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.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 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe File created C:\Windows\rss\csrss.exe fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1660 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 1844 schtasks.exe 4328 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\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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,-411 = "E. Africa Daylight Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-671 = "AUS Eastern 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" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\1e\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\1e\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1076 powershell.exe 1076 powershell.exe 1400 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 1400 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 3340 powershell.exe 3340 powershell.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 4764 powershell.exe 4764 powershell.exe 1000 powershell.exe 1000 powershell.exe 4120 powershell.exe 4120 powershell.exe 3944 powershell.exe 3944 powershell.exe 4416 powershell.exe 4416 powershell.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4556 csrss.exe 4556 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4556 csrss.exe 4556 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4556 csrss.exe 4556 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1076 powershell.exe Token: SeDebugPrivilege 1400 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Token: SeImpersonatePrivilege 1400 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe Token: SeDebugPrivilege 3340 powershell.exe Token: SeDebugPrivilege 4764 powershell.exe Token: SeDebugPrivilege 1000 powershell.exe Token: SeDebugPrivilege 4120 powershell.exe Token: SeDebugPrivilege 3944 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeSystemEnvironmentPrivilege 4556 csrss.exe Token: SeSecurityPrivilege 1660 sc.exe Token: SeSecurityPrivilege 1660 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1400 wrote to memory of 1076 1400 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 84 PID 1400 wrote to memory of 1076 1400 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 84 PID 1400 wrote to memory of 1076 1400 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 84 PID 4516 wrote to memory of 3340 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 89 PID 4516 wrote to memory of 3340 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 89 PID 4516 wrote to memory of 3340 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 89 PID 4516 wrote to memory of 4020 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 91 PID 4516 wrote to memory of 4020 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 91 PID 4020 wrote to memory of 2556 4020 cmd.exe 93 PID 4020 wrote to memory of 2556 4020 cmd.exe 93 PID 4516 wrote to memory of 4764 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 94 PID 4516 wrote to memory of 4764 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 94 PID 4516 wrote to memory of 4764 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 94 PID 4516 wrote to memory of 1000 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 99 PID 4516 wrote to memory of 1000 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 99 PID 4516 wrote to memory of 1000 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 99 PID 4516 wrote to memory of 4556 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 102 PID 4516 wrote to memory of 4556 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 102 PID 4516 wrote to memory of 4556 4516 fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe 102 PID 4556 wrote to memory of 4120 4556 csrss.exe 105 PID 4556 wrote to memory of 4120 4556 csrss.exe 105 PID 4556 wrote to memory of 4120 4556 csrss.exe 105 PID 4556 wrote to memory of 3944 4556 csrss.exe 111 PID 4556 wrote to memory of 3944 4556 csrss.exe 111 PID 4556 wrote to memory of 3944 4556 csrss.exe 111 PID 4556 wrote to memory of 4416 4556 csrss.exe 113 PID 4556 wrote to memory of 4416 4556 csrss.exe 113 PID 4556 wrote to memory of 4416 4556 csrss.exe 113 PID 4556 wrote to memory of 4464 4556 csrss.exe 115 PID 4556 wrote to memory of 4464 4556 csrss.exe 115 PID 2136 wrote to memory of 1504 2136 windefender.exe 121 PID 2136 wrote to memory of 1504 2136 windefender.exe 121 PID 2136 wrote to memory of 1504 2136 windefender.exe 121 PID 1504 wrote to memory of 1660 1504 cmd.exe 122 PID 1504 wrote to memory of 1660 1504 cmd.exe 122 PID 1504 wrote to memory of 1660 1504 cmd.exe 122 PID 4556 wrote to memory of 4196 4556 csrss.exe 124 PID 4556 wrote to memory of 4196 4556 csrss.exe 124 PID 4556 wrote to memory of 4196 4556 csrss.exe 124 -
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\fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe"C:\Users\Admin\AppData\Local\Temp\fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1076
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C:\Users\Admin\AppData\Local\Temp\fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.exe"C:\Users\Admin\AppData\Local\Temp\fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b.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:4516 -
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:3340
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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:4020 -
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:2556
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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:4764
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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:1000
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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:4556 -
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:4120
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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:1844
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4296
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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:3944
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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:4416
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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:4464
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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:4328
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2136 -
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:1504 -
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:1660
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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:4196 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:5112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3700
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1228
Network
MITRE ATT&CK Enterprise v6
Replay 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
MD53c7bae4b96f1e84f1fdec6095bfd37d3
SHA14ecfc9b9e8f961581a13081b9bc00907e19d9f96
SHA2568c308391f590a0e1cfaf0c1c60f25b96296aaa4e18c579f3db80b38c42b3a197
SHA512f862f152041076faa16133b625daf290d080a484e9e3af71ff999f0305eddbceb836c96cf2538d091b17c41d82f9f4486b99bf158b8ada0209713a170b588956
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef040cf44a38e999068820f2d9eabf85
SHA10e1b0192521ef96881cf64654c31853bc79d3e8b
SHA2560bf1e339f367c53e963058b128cd73251ff99f6d42ef27ee40e2e21166e56d92
SHA512c340c1a4590b01cdf2d326fdc54df701cfed51131b79736f1c16fbb5211e92d53f67cb6ae450b213c3670623850651e0902ef92e1870f154c3e41b95eddfe3a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52300bbaffdfc6624d67f381e5695d385
SHA143e85761c9e2c6a2ffa96caddd5057fed94cdb14
SHA256f7e23c71f9ffbbfb5918f249a59e2f0b38b2aac036564dd7eec8d7797a0b835e
SHA51210749f79027bb8be544e98024078dc188cff35edaf69392d0716270a8c5b2ec2cfaa8ac82fbd7424ffed974c7da444e3643f9c41d9ffc7b6c6e2fd44135c2493
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5645053b6e48712f3a36b9bdef55c9235
SHA16ce3f9e656d7bc36a02bb564b2fd927f480b1c42
SHA256a212d173d5d859df7c6ffd7045947c83f297815994b195cf0bd7ed94701a6a18
SHA512161875dc06f46b91c80a21a146bd5ef33e9ee2b53afe65d062c93b6600b534b44d7c4e979d2cd90973c62be411d0066f4afbebb30f99484efe1228f9852f6238
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5263d627ba0475bdd8c90907cc2ffcb95
SHA1f36a6112aa3cc27f6721eb9bcbed3aa0f512f503
SHA2567aadfcbdd9c4428fc3f4424bdfc5b534aaf1dfc9b1d78c94935c6d9b582a331e
SHA51280cd241e5f49940fd965d0723f69403a32393fdbc78011fffeecb256b08b1ca33fb193f720b012521170d9bbb20d9c2a2aac48df7481651d1703dd5e727919c9
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Filesize
4.2MB
MD5d281eba56c714496ad2f600ec4ab28db
SHA18306c2297da68cee59250df2cbae68dcd0321772
SHA256fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b
SHA512fdf67fe88c3e1854529b2eaaf2e2f547370247cf50e95d7585a5c6fa39f4fb931c03f682d5c229aa29e41f4fc951105403867c5b5100d045ff119ef92c001443
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Filesize
4.2MB
MD5d281eba56c714496ad2f600ec4ab28db
SHA18306c2297da68cee59250df2cbae68dcd0321772
SHA256fe4d02dac0095ed31d2e5ba8cbe94770020819c675a343a5e39cbb8c9dff015b
SHA512fdf67fe88c3e1854529b2eaaf2e2f547370247cf50e95d7585a5c6fa39f4fb931c03f682d5c229aa29e41f4fc951105403867c5b5100d045ff119ef92c001443
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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