Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-04-2024 16:03
Static task
static1
Behavioral task
behavioral1
Sample
ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe
Resource
win10v2004-20240226-en
General
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Target
ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe
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Size
4.2MB
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MD5
9900b35a781acf70691440b543a51462
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SHA1
e1c509f4e5d9c4d426a876e8a75608e0e7f47f3c
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SHA256
ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca
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SHA512
c42217029baaefbc0789c4691973b36621fb312e073c39070a5121a686ac77c894fffb90ecace1e4af9ec7211662efe3057169dbc4f581a9dd2081c9a39c6a88
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SSDEEP
98304:voZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJe4:v3OuIEug7vwUGt7S+nKK
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/4936-2-0x0000000004050000-0x000000000493B000-memory.dmp family_glupteba behavioral2/memory/4936-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3168-52-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3168-54-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/4936-79-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3168-112-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3168-148-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-242-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-253-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-256-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-260-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3176-296-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1352 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3176 csrss.exe 236 injector.exe 4892 windefender.exe 2128 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4892-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2128-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2128-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe -
Drops file in Windows directory 4 IoCs
Processes:
ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.execsrss.exedescription ioc process File opened for modification C:\Windows\rss ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe File created C:\Windows\rss\csrss.exe ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.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.
Processes:
sc.exepid process 556 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1020 schtasks.exe 4708 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exeba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.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,-651 = "AUS Central Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.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\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exepowershell.exeba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1232 powershell.exe 1232 powershell.exe 4936 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 4936 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 4052 powershell.exe 4052 powershell.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe 2900 powershell.exe 2900 powershell.exe 3396 powershell.exe 3396 powershell.exe 4824 powershell.exe 4824 powershell.exe 3732 powershell.exe 3732 powershell.exe 2116 powershell.exe 2116 powershell.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 3176 csrss.exe 3176 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 3176 csrss.exe 3176 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 3176 csrss.exe 3176 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1232 powershell.exe Token: SeDebugPrivilege 4936 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Token: SeImpersonatePrivilege 4936 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 2900 powershell.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeDebugPrivilege 2116 powershell.exe Token: SeSystemEnvironmentPrivilege 3176 csrss.exe Token: SeSecurityPrivilege 556 sc.exe Token: SeSecurityPrivilege 556 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exeba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4936 wrote to memory of 1232 4936 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 4936 wrote to memory of 1232 4936 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 4936 wrote to memory of 1232 4936 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 4052 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 4052 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 4052 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 4612 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe cmd.exe PID 3168 wrote to memory of 4612 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe cmd.exe PID 4612 wrote to memory of 1352 4612 cmd.exe netsh.exe PID 4612 wrote to memory of 1352 4612 cmd.exe netsh.exe PID 3168 wrote to memory of 2900 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 2900 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 2900 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 3396 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 3396 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 3396 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe powershell.exe PID 3168 wrote to memory of 3176 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe csrss.exe PID 3168 wrote to memory of 3176 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe csrss.exe PID 3168 wrote to memory of 3176 3168 ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe csrss.exe PID 3176 wrote to memory of 4824 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 4824 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 4824 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 3732 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 3732 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 3732 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 2116 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 2116 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 2116 3176 csrss.exe powershell.exe PID 3176 wrote to memory of 236 3176 csrss.exe injector.exe PID 3176 wrote to memory of 236 3176 csrss.exe injector.exe PID 4892 wrote to memory of 3232 4892 windefender.exe cmd.exe PID 4892 wrote to memory of 3232 4892 windefender.exe cmd.exe PID 4892 wrote to memory of 3232 4892 windefender.exe cmd.exe PID 3232 wrote to memory of 556 3232 cmd.exe sc.exe PID 3232 wrote to memory of 556 3232 cmd.exe sc.exe PID 3232 wrote to memory of 556 3232 cmd.exe sc.exe -
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\ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe"C:\Users\Admin\AppData\Local\Temp\ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1232
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C:\Users\Admin\AppData\Local\Temp\ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.exe"C:\Users\Admin\AppData\Local\Temp\ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca.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:3168 -
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:4052
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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:4612 -
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:1352
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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:2900
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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:3396
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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:3176 -
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:4824
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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:1020
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:812
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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:3732
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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:2116
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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:236
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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:4708
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4892 -
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:3232 -
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:556
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2128
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f5fd945ff701929e48bc75abc667b35
SHA17d8b0d8becd37de7a670d348f18c53cdddf0e47c
SHA2562ac2480ac0393f53cc54414c47b0e07b9ae1554267770bce6aff5eade78f56b1
SHA512ce815b92e6e1919780d5267381dfd78af3a9b01de0cde7f0ea4a3b445558d205064450684bd9d59e646e087501bdd9e296f75e256e19931b628e15ae882d08a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be688eed38ce6b2fa083e238a137266a
SHA1a4a7699e97793327ae7d0a6d169b7463db939b68
SHA256fca10cb4634134c05ba4a61eb871ca3378f77424a168d0139272710ce9ca0d99
SHA5125511e04c99dc173d1246ddc079b6bbb3edd5d1cb1b718818505eb3f95194af1774864516b60d7629ef3785bbdbc0f43adae5882e3cdb2f75bb722ea67d3db902
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f7d820fe45677ec3ce83989a3aed8c8
SHA11e3a9a79e056c186a35a37635d7be97fbf7eb3b5
SHA25620cd604d1179b50b3d5f3e590febd5ae06c3df02d2adf106e5f6395fb0599902
SHA512129fcce8493e283a58cff0200961ee4e821f92cd1a15f273dc718d67b6d13a5338eee84dd0779caa9f90430932f563316772ba1bc1cef89f42a1793732af9ba4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD584f3a382a32cfea1e3470fdbd7c72e9b
SHA1aa47a85a49cd33faeebe682549f1ae6eae02a91f
SHA256ba9628b72475086f808db24cec81c1c519442873131e67bc66be329f16d9f48f
SHA51234fbb7543441ebbb290823a8d39419770d80a1c38bb42e790f6088a6ae7e361ca86f68b9411453da9262abc27f6ec86da7a766fddccfb55b1a678e149d6d6192
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e46fdce6137d496e97a90b0af85f514d
SHA10e5dc00b18fc70bd94195181f9c5a5c20d787ecd
SHA25655ce34344f042dc0a6101c549ff1cdf8a19911e56eb08f339dad1d6a7edd305f
SHA512d6a36aa47d3485f5105244acb00383a44becc3856b105db9a72c6ac73e219ebbd2ed16ba40964f19b8279de77cfbb8a375c3bb47bae1b76f54fc635cd3ebb03b
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Filesize
4.2MB
MD59900b35a781acf70691440b543a51462
SHA1e1c509f4e5d9c4d426a876e8a75608e0e7f47f3c
SHA256ba096aa71726bcf62c0a7c08580ba5a17867d2a3386356c2963628c91754adca
SHA512c42217029baaefbc0789c4691973b36621fb312e073c39070a5121a686ac77c894fffb90ecace1e4af9ec7211662efe3057169dbc4f581a9dd2081c9a39c6a88
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec