Analysis
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max time kernel
149s -
max time network
148s -
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, 16:06
Static task
static1
Behavioral task
behavioral1
Sample
6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe
Resource
win10v2004-20240412-en
General
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Target
6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe
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Size
4.2MB
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MD5
85bc2f079b47f406d74c485dd68f9110
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SHA1
8184fa10ef42d63726089807493174b521caec10
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SHA256
6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca
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SHA512
ab4b8acbbe8d4564df8ce0bc0aa98bd467cd419099d1c3f6579927118d2bd3df02bad0378d09f0151d40349527ed16206f85f9eeafa6224e549728aca24d77b1
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SSDEEP
98304:noZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJe7:n3OuIEug7vwUGt7S+nKx
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4472-2-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral1/memory/4472-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1048-56-0x0000000003E00000-0x00000000046EB000-memory.dmp family_glupteba behavioral1/memory/1048-58-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4472-71-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral1/memory/4472-86-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1048-235-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-256-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-283-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-287-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-291-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-295-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-299-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-303-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-307-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3944-311-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4692 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3944 csrss.exe 4512 injector.exe 1312 windefender.exe 1508 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233fc-260.dat upx behavioral1/memory/1312-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1508-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1508-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4604 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 452 schtasks.exe 1036 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.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,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt 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,-361 = "GTB Daylight Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3344 powershell.exe 3344 powershell.exe 4472 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 4472 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 2536 powershell.exe 2536 powershell.exe 2536 powershell.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 4700 powershell.exe 4700 powershell.exe 4612 powershell.exe 4612 powershell.exe 620 powershell.exe 620 powershell.exe 1352 powershell.exe 1352 powershell.exe 3036 powershell.exe 3036 powershell.exe 3036 powershell.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 3944 csrss.exe 3944 csrss.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 3944 csrss.exe 3944 csrss.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 3944 csrss.exe 3944 csrss.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 4472 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Token: SeImpersonatePrivilege 4472 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe Token: SeDebugPrivilege 2536 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4612 powershell.exe Token: SeDebugPrivilege 620 powershell.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeSystemEnvironmentPrivilege 3944 csrss.exe Token: SeSecurityPrivilege 4604 sc.exe Token: SeSecurityPrivilege 4604 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4472 wrote to memory of 3344 4472 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 88 PID 4472 wrote to memory of 3344 4472 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 88 PID 4472 wrote to memory of 3344 4472 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 88 PID 1048 wrote to memory of 2536 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 99 PID 1048 wrote to memory of 2536 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 99 PID 1048 wrote to memory of 2536 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 99 PID 1048 wrote to memory of 3652 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 101 PID 1048 wrote to memory of 3652 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 101 PID 3652 wrote to memory of 4692 3652 cmd.exe 103 PID 3652 wrote to memory of 4692 3652 cmd.exe 103 PID 1048 wrote to memory of 4700 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 104 PID 1048 wrote to memory of 4700 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 104 PID 1048 wrote to memory of 4700 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 104 PID 1048 wrote to memory of 4612 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 106 PID 1048 wrote to memory of 4612 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 106 PID 1048 wrote to memory of 4612 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 106 PID 1048 wrote to memory of 3944 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 108 PID 1048 wrote to memory of 3944 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 108 PID 1048 wrote to memory of 3944 1048 6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe 108 PID 3944 wrote to memory of 620 3944 csrss.exe 109 PID 3944 wrote to memory of 620 3944 csrss.exe 109 PID 3944 wrote to memory of 620 3944 csrss.exe 109 PID 3944 wrote to memory of 1352 3944 csrss.exe 114 PID 3944 wrote to memory of 1352 3944 csrss.exe 114 PID 3944 wrote to memory of 1352 3944 csrss.exe 114 PID 3944 wrote to memory of 3036 3944 csrss.exe 117 PID 3944 wrote to memory of 3036 3944 csrss.exe 117 PID 3944 wrote to memory of 3036 3944 csrss.exe 117 PID 3944 wrote to memory of 4512 3944 csrss.exe 119 PID 3944 wrote to memory of 4512 3944 csrss.exe 119 PID 1312 wrote to memory of 4460 1312 windefender.exe 125 PID 1312 wrote to memory of 4460 1312 windefender.exe 125 PID 1312 wrote to memory of 4460 1312 windefender.exe 125 PID 4460 wrote to memory of 4604 4460 cmd.exe 126 PID 4460 wrote to memory of 4604 4460 cmd.exe 126 PID 4460 wrote to memory of 4604 4460 cmd.exe 126 -
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\6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe"C:\Users\Admin\AppData\Local\Temp\6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3344
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C:\Users\Admin\AppData\Local\Temp\6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.exe"C:\Users\Admin\AppData\Local\Temp\6aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca.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:2536
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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:3652 -
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:4692
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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:4700
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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:4612
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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:3944 -
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:620
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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:1036
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4176
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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:1352
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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:3036
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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:4512
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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:452
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1312 -
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:4460 -
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:4604
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1508
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
MD5f3113f5070d54ca272101492b9db8bd6
SHA105f27aa6a5828c9548d6d02a6d62b5004b4e105b
SHA2563433c685a80478017c337d8126150d9fa102dad13ba532b2eefd3d38f5f7f1e1
SHA5126a95f13fef50070432aed2163658f3110ee6bc2754ea49e01292c40b7d68c18b285c397d6378028054a50aa106fd7b39dac402cfce6c23067cc1f09d1bdb8652
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53cefff1d086d4147c22397c6e12616bc
SHA1e142f4da85897688edeea495c5f02d241b977d70
SHA256a48d3ed2a442dc813f185d557f4d5a07a2a2cbb3e73705eb17ef2b0b923df637
SHA512ff4fd336cd0a293ebdbfa404cb2c5fc65113807403ea737090421e26676fb4cb32d6b2755c6f9785b6e12760a7860654b2a8c7fb637742e534ae052b11b89603
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500fbf28e6846d381e54afa16e3c818a2
SHA1832b0038843e717070939a6701a2e4b6bee506e4
SHA256e708edc38aa29e4895ca81e205a8497d3d1ef8d34ea992126d6cc598f9e331b9
SHA51216699f192c8792d7553c8e937e5f22971e6452540d6c2056c8b7c20eda22343f6d965fad5e9b3bc82380b94ae360d352aba889a070db792fba32fef1120a482e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df0cc357f5484583d3f2b21ed149ef5c
SHA1b5989fa2e60278219ca5bcd6c0d170e2f5f629a8
SHA256ded328b65cb941c1bb75ef852b4bbcc077c1c05671004f75183e6ed9380636e1
SHA512f136d7d692e96cd2361da60e61de7751ff0bb7d223f6ff3912b969bd24bbdc208584a74e5819326693d90debbd6995a1fc1fb07c7544f858d3d3991802c71483
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b76705e0cbd8073cf81bad3e7bc41863
SHA159ed425474cdd12e4cc805b907f8f8bd1bb13ad0
SHA2567ad37ef0319094af848849a426e1630e2febd54fa1c7d820c58a5483baca8738
SHA5120680ef2ca5645144778e51ae7e8a94ec4e7ede64bc52c876bf0f40c17b8fcce7ec3656ac2dc34c7040ff5c8398e0a16796d0ce6655bff0b2d85dc1ffd244e5c8
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Filesize
4.2MB
MD585bc2f079b47f406d74c485dd68f9110
SHA18184fa10ef42d63726089807493174b521caec10
SHA2566aa68399ff3bbc800cd474330a4830c7aa03d9295c33fe1b05b2c1b17322f1ca
SHA512ab4b8acbbe8d4564df8ce0bc0aa98bd467cd419099d1c3f6579927118d2bd3df02bad0378d09f0151d40349527ed16206f85f9eeafa6224e549728aca24d77b1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec