Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 16:04
Static task
static1
Behavioral task
behavioral1
Sample
73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe
Resource
win10v2004-20240412-en
General
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Target
73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe
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Size
4.2MB
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MD5
2a053c6db1b8da8221b643d2fa002d56
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SHA1
5d4a0d2102b00985cdaed1e64e31d8b894c4d369
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SHA256
73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e
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SHA512
bb7cab3a06678a1c55696a1c1fe8d318dcc6207edc9a0da105b3c4d1b1c9ca459e5b388d554af59c40f68505bcc28ce11063f627f88d6cbf98d20d736fc9fae4
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SSDEEP
98304:noZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJet:n3OuIEug7vwUGt7S+nKf
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/5104-2-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/5104-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4032-57-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5104-58-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4032-120-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4032-157-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-253-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-280-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-284-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-296-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-300-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-304-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4468-308-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2540 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4468 csrss.exe 64 injector.exe 2568 windefender.exe 4972 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023426-257.dat upx behavioral1/memory/2568-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4972-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4972-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4972-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe 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 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe File created C:\Windows\rss\csrss.exe 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2488 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 4604 schtasks.exe 1988 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1956 powershell.exe 1956 powershell.exe 5104 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 5104 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 1200 powershell.exe 1200 powershell.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 1272 powershell.exe 1272 powershell.exe 4044 powershell.exe 4044 powershell.exe 1628 powershell.exe 1628 powershell.exe 4196 powershell.exe 4196 powershell.exe 1528 powershell.exe 1528 powershell.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 4468 csrss.exe 4468 csrss.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 4468 csrss.exe 4468 csrss.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 4468 csrss.exe 4468 csrss.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe 64 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 5104 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Token: SeImpersonatePrivilege 5104 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 1272 powershell.exe Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeDebugPrivilege 4196 powershell.exe Token: SeDebugPrivilege 1528 powershell.exe Token: SeSystemEnvironmentPrivilege 4468 csrss.exe Token: SeSecurityPrivilege 2488 sc.exe Token: SeSecurityPrivilege 2488 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5104 wrote to memory of 1956 5104 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 89 PID 5104 wrote to memory of 1956 5104 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 89 PID 5104 wrote to memory of 1956 5104 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 89 PID 4032 wrote to memory of 1200 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 96 PID 4032 wrote to memory of 1200 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 96 PID 4032 wrote to memory of 1200 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 96 PID 4032 wrote to memory of 2080 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 98 PID 4032 wrote to memory of 2080 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 98 PID 2080 wrote to memory of 2540 2080 cmd.exe 100 PID 2080 wrote to memory of 2540 2080 cmd.exe 100 PID 4032 wrote to memory of 1272 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 101 PID 4032 wrote to memory of 1272 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 101 PID 4032 wrote to memory of 1272 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 101 PID 4032 wrote to memory of 4044 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 103 PID 4032 wrote to memory of 4044 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 103 PID 4032 wrote to memory of 4044 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 103 PID 4032 wrote to memory of 4468 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 105 PID 4032 wrote to memory of 4468 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 105 PID 4032 wrote to memory of 4468 4032 73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe 105 PID 4468 wrote to memory of 1628 4468 csrss.exe 106 PID 4468 wrote to memory of 1628 4468 csrss.exe 106 PID 4468 wrote to memory of 1628 4468 csrss.exe 106 PID 4468 wrote to memory of 4196 4468 csrss.exe 112 PID 4468 wrote to memory of 4196 4468 csrss.exe 112 PID 4468 wrote to memory of 4196 4468 csrss.exe 112 PID 4468 wrote to memory of 1528 4468 csrss.exe 114 PID 4468 wrote to memory of 1528 4468 csrss.exe 114 PID 4468 wrote to memory of 1528 4468 csrss.exe 114 PID 4468 wrote to memory of 64 4468 csrss.exe 116 PID 4468 wrote to memory of 64 4468 csrss.exe 116 PID 2568 wrote to memory of 4044 2568 windefender.exe 123 PID 2568 wrote to memory of 4044 2568 windefender.exe 123 PID 2568 wrote to memory of 4044 2568 windefender.exe 123 PID 4044 wrote to memory of 2488 4044 cmd.exe 124 PID 4044 wrote to memory of 2488 4044 cmd.exe 124 PID 4044 wrote to memory of 2488 4044 cmd.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\73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe"C:\Users\Admin\AppData\Local\Temp\73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956
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C:\Users\Admin\AppData\Local\Temp\73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.exe"C:\Users\Admin\AppData\Local\Temp\73f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e.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:4032 -
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:1200
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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:2080 -
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:2540
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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:1272
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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:4044
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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:4468 -
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:1628
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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:4604
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2404
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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:4196
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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:1528
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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:64
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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:1988
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2568 -
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:4044 -
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:2488
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4972
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
1Privilege Escalation
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
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
MD5ac79dc576ec4688fe7364bd39319b978
SHA1c5d337932c10a71aea9d0cdf78b54f5760f8641c
SHA256ec283634fcb4d44cf66481e8d8145cf201d8953ddd465f3349a3816f71969a71
SHA512af3f7510190e39fee10239ea1df091ff63f3e86c4e4e6b361589d93e79c901d03408848243146cb40ed40d882aced72a90e7f09d9633f5f0f31e6f94b079ca65
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD593c967038fbd5966888d220fb84ea595
SHA165a6229c363ac851ed6134dc8416064e00214383
SHA25623829d886014485de2b8fface7a25c825d43da789e6ea1598593d290b938101b
SHA5125715b4d9a58da538332c033f561c51f6c1f900451312b1499d1dff431a5389c09be0533a58eaf800cf350a7e54ee59aa1a4214837390e0c64e5a0f6ce136eb36
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54544403fc7dba582333fceab0919829e
SHA18ed6ff27f37458c3f0cb6e2bdafe1763ba4a935d
SHA25617072878fa99b74c822ac2d61fb5f222759d03d29e6c9f791f86d118f308a23c
SHA5120dcf11f65a8beed8beaf6c004e3739c6dd06f2aa0d74e0cd9ee3fc49f30ba5a8b03ec3d402938057acbdd2abe0587f1ab645c50acc76548a9c9e9ea523fc815f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cad353081e5e0c5ccd9a7db982ee3ce9
SHA13b86bc37015114c7515000cc64ed1d3e139b5282
SHA256c69149498cc7e7cf86641db749b8e804db5edd486e95c099c1ae9e22499a0389
SHA5128b4509090bf5ec7570482b1772bee39062d0b153c8b01620fa01bffd9dac66191b3f234213572d6745a02a5cfe107ea0e7c139b3141864b2df914bb30e62fce2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547c5adeb529abd14d79afecefb8a748f
SHA12891634af2245004afb572140248213b215fa425
SHA256e3acd71f744cbfb51dc2918e71c69da5cf57680ecdf0d222697a5242e9bcd6b5
SHA5122cb5b72b3ffd21db4493cbeb0659c78f8128496c612da3929c5a3a3d3bf287905278c969c45cbd6909c8d773488b5c208ca177edaf51cd7f21db785f679db375
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Filesize
4.2MB
MD52a053c6db1b8da8221b643d2fa002d56
SHA15d4a0d2102b00985cdaed1e64e31d8b894c4d369
SHA25673f94ad9f207c6032937c69006b22fde4cf7d6c766305746ee32c9f2d28a5e4e
SHA512bb7cab3a06678a1c55696a1c1fe8d318dcc6207edc9a0da105b3c4d1b1c9ca459e5b388d554af59c40f68505bcc28ce11063f627f88d6cbf98d20d736fc9fae4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec