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Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 10:00
Static task
static1
General
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Target
f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe
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Size
4.2MB
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MD5
37c3e50815f4e6e91eb767fdafba27b7
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SHA1
fe72848525d17eee28b4a372f01880365187f553
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SHA256
f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87
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SHA512
f5b86d4b9274d388641601e7003e0b4698a060dac41a3e69ae53dcaba48b2de10b7d503891338a813e619b7b7ca2e6f9f8e5c27907b5ee5f3d82b8742f7f5e3e
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SSDEEP
98304:OWZOv1QiwSZDRbU8KkCix2EQB+p9iYVs1VFC:t0rhn8+WYG0
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4036-2-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral1/memory/4036-3-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/4036-24-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral1/memory/4036-31-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/4036-32-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/1048-61-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/4036-62-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/1048-91-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/1048-127-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/1048-159-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/860-209-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/860-261-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/860-271-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/860-274-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/860-277-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/860-280-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/860-283-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba behavioral1/memory/860-291-0x0000000000400000-0x000000000266D000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1668 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 860 csrss.exe 2568 injector.exe 4008 windefender.exe 3236 windefender.exe 3964 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x00070000000231fd-264.dat upx behavioral1/files/0x00070000000231fd-266.dat upx behavioral1/files/0x00070000000231fd-268.dat upx behavioral1/memory/4008-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00060000000231ff-287.dat upx behavioral1/files/0x00060000000231ff-288.dat upx behavioral1/memory/3236-290-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3964-293-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/3964-295-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\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\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 File created 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 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.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 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe File created C:\Windows\rss\csrss.exe f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3380 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 3272 schtasks.exe 756 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard 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" f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 640 powershell.exe 640 powershell.exe 4036 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 4036 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1000 powershell.exe 1000 powershell.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 3536 powershell.exe 3536 powershell.exe 4572 powershell.exe 4572 powershell.exe 1008 powershell.exe 1008 powershell.exe 3268 powershell.exe 3268 powershell.exe 3384 powershell.exe 3384 powershell.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 860 csrss.exe 860 csrss.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 860 csrss.exe 860 csrss.exe 2568 injector.exe 2568 injector.exe 860 csrss.exe 860 csrss.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 640 powershell.exe Token: SeDebugPrivilege 4036 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Token: SeImpersonatePrivilege 4036 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe Token: SeDebugPrivilege 1000 powershell.exe Token: SeDebugPrivilege 3536 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 1008 powershell.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeSystemEnvironmentPrivilege 860 csrss.exe Token: SeSecurityPrivilege 3380 sc.exe Token: SeSecurityPrivilege 3380 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4036 wrote to memory of 640 4036 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 89 PID 4036 wrote to memory of 640 4036 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 89 PID 4036 wrote to memory of 640 4036 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 89 PID 1048 wrote to memory of 1000 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 97 PID 1048 wrote to memory of 1000 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 97 PID 1048 wrote to memory of 1000 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 97 PID 1048 wrote to memory of 3664 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 100 PID 1048 wrote to memory of 3664 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 100 PID 3664 wrote to memory of 1668 3664 cmd.exe 102 PID 3664 wrote to memory of 1668 3664 cmd.exe 102 PID 1048 wrote to memory of 3536 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 103 PID 1048 wrote to memory of 3536 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 103 PID 1048 wrote to memory of 3536 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 103 PID 1048 wrote to memory of 4572 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 105 PID 1048 wrote to memory of 4572 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 105 PID 1048 wrote to memory of 4572 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 105 PID 1048 wrote to memory of 860 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 107 PID 1048 wrote to memory of 860 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 107 PID 1048 wrote to memory of 860 1048 f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe 107 PID 860 wrote to memory of 1008 860 csrss.exe 109 PID 860 wrote to memory of 1008 860 csrss.exe 109 PID 860 wrote to memory of 1008 860 csrss.exe 109 PID 860 wrote to memory of 3268 860 csrss.exe 113 PID 860 wrote to memory of 3268 860 csrss.exe 113 PID 860 wrote to memory of 3268 860 csrss.exe 113 PID 860 wrote to memory of 3384 860 csrss.exe 116 PID 860 wrote to memory of 3384 860 csrss.exe 116 PID 860 wrote to memory of 3384 860 csrss.exe 116 PID 860 wrote to memory of 2568 860 csrss.exe 118 PID 860 wrote to memory of 2568 860 csrss.exe 118 PID 4008 wrote to memory of 1848 4008 windefender.exe 124 PID 4008 wrote to memory of 1848 4008 windefender.exe 124 PID 4008 wrote to memory of 1848 4008 windefender.exe 124 PID 1848 wrote to memory of 3380 1848 cmd.exe 125 PID 1848 wrote to memory of 3380 1848 cmd.exe 125 PID 1848 wrote to memory of 3380 1848 cmd.exe 125 PID 860 wrote to memory of 3964 860 csrss.exe 127 PID 860 wrote to memory of 3964 860 csrss.exe 127 PID 860 wrote to memory of 3964 860 csrss.exe 127 -
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\f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe"C:\Users\Admin\AppData\Local\Temp\f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:640
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C:\Users\Admin\AppData\Local\Temp\f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.exe"C:\Users\Admin\AppData\Local\Temp\f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87.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:1048 -
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\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:3664 -
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:1668
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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:3536
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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:4572
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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:860 -
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:1008
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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:3272
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2304
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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:3268
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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:3384
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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:2568
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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:756
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4008 -
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:1848 -
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:3380
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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:3964 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4764
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4664
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3236
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5972d2a47fb6effd4e77e4a9587255a1f
SHA178c358195be0cd15f9c9c908cffbf47e4708b90e
SHA2566aafa816e19085fbf7d3b77c243343baf8dff4a7f1746ebd0311613d6b4100c2
SHA5126311eade6f10613560df8fc99cb880c8a2a78f8b87f9d8a8957e1e12174714990b741ce699701377ccf6bd5719fa5771b2df8adc6fbc044a4e8b3093da540af5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a62a3bdd1149019d06ba6e2319406a3
SHA14d6bfdbfd9048520c820af2d1bc2d4090acb5697
SHA256d1c1560045af1780a64cfe7db921bf0522a8d45e1fa93e82be18e26921f75720
SHA5127adca85b2b8ae0b46ace228f0c7eb269117f767c3308f3451ed1b6b2b571ce57f5fcd4392f6200f20fe26ada0ae79ea46626167f2e151b90a696d3c15c2aba87
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9b2067bb328d3d133c57bc24bb26d8d
SHA13109009cecf99196893d7e10e55aebfe44849208
SHA256681942ba75b00e6048901111b66b855c1e73f045979d73851ed1d711ab70eacd
SHA512b75c313406cc7a5ac0db4963dee4f67c7324b92ff967d37f7f322be4bddb1614599f035839832f27f36d308a1b61533f00a2b22c4f5ae9188e4ec1f0d43e3773
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c272918dcdb6450f172e28e19b642d1
SHA132cee7fd95650dc6cd0be7778697b722bdc6bc5d
SHA256bf4d0e377e86246424a0edcd1f6c46743b43c6c61a4f597fb6b32e1878529b4d
SHA512a86d91e16a48b3e68df2ffa9523867ae8b1b01eb450a7575806964f0b8f1682a5fe22e1dc09682477c4eaee8e87933600896514b741cf6293a962cf2bf68dabe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50487bcb8d6c6a88a2c82e783b2505be2
SHA135146ded60f6b1ee6073ae223fadb9094596a938
SHA25621cd806b7df8e25a5ad3d81162d4bc5f7133321145c0cbf64b3c8963e290d728
SHA51245b6c205dd047a8ee7df6780e2cc68eb042342818986ddb4451423bd0d1489cfd8335aede8dff6f69a6c21a08b51f35debc249cebcb3b466728b15fadca27340
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Filesize
4.2MB
MD537c3e50815f4e6e91eb767fdafba27b7
SHA1fe72848525d17eee28b4a372f01880365187f553
SHA256f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87
SHA512f5b86d4b9274d388641601e7003e0b4698a060dac41a3e69ae53dcaba48b2de10b7d503891338a813e619b7b7ca2e6f9f8e5c27907b5ee5f3d82b8742f7f5e3e
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Filesize
4.2MB
MD537c3e50815f4e6e91eb767fdafba27b7
SHA1fe72848525d17eee28b4a372f01880365187f553
SHA256f4142d7f40d5998bf1c2a9a90984f9721498929c47c908baeae95720c24bbd87
SHA512f5b86d4b9274d388641601e7003e0b4698a060dac41a3e69ae53dcaba48b2de10b7d503891338a813e619b7b7ca2e6f9f8e5c27907b5ee5f3d82b8742f7f5e3e
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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