Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 05:03
Static task
static1
Behavioral task
behavioral1
Sample
950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe
Resource
win10v2004-20240426-en
General
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Target
950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe
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Size
4.1MB
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MD5
cdb2feb9b00016775e9a2ea248967c93
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SHA1
69ef288b66ad50be355024cc8000d834d09f30b2
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SHA256
950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147
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SHA512
5e8aaecdddb890f760dbc0c62d59fc4b7a498595503920d08c0b38efdf8fbd3c1ac9d0d440169dc70ef54b1c225fb6994fadd1dc3216ed2a26163c5372bc9a85
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SSDEEP
98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0U:ALmIkbquibpii2yAk4+2fEKmb3
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3848-2-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/3848-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3848-83-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/3848-133-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1660-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 5016 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4860 csrss.exe 692 injector.exe 2724 windefender.exe 3824 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000233fa-219.dat upx behavioral1/memory/2724-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3824-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2724-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3824-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3824-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3824-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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 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 -
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:
950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe File created C:\Windows\rss\csrss.exe 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe File created 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 4144 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 316 powershell.exe 3588 powershell.exe 4232 powershell.exe 5032 powershell.exe 1324 powershell.exe 3492 powershell.exe 4748 powershell.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 4796 schtasks.exe 4868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exepowershell.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1324 powershell.exe 1324 powershell.exe 3848 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 3848 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 3492 powershell.exe 3492 powershell.exe 3492 powershell.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 4748 powershell.exe 4748 powershell.exe 4748 powershell.exe 316 powershell.exe 316 powershell.exe 316 powershell.exe 3588 powershell.exe 3588 powershell.exe 3588 powershell.exe 4232 powershell.exe 4232 powershell.exe 4232 powershell.exe 5032 powershell.exe 5032 powershell.exe 5032 powershell.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 4860 csrss.exe 4860 csrss.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 4860 csrss.exe 4860 csrss.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 4860 csrss.exe 4860 csrss.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe 692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 3848 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Token: SeImpersonatePrivilege 3848 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 4748 powershell.exe Token: SeDebugPrivilege 316 powershell.exe Token: SeDebugPrivilege 3588 powershell.exe Token: SeDebugPrivilege 4232 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeSystemEnvironmentPrivilege 4860 csrss.exe Token: SeSecurityPrivilege 4144 sc.exe Token: SeSecurityPrivilege 4144 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3848 wrote to memory of 1324 3848 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 86 PID 3848 wrote to memory of 1324 3848 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 86 PID 3848 wrote to memory of 1324 3848 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 86 PID 1660 wrote to memory of 3492 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 96 PID 1660 wrote to memory of 3492 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 96 PID 1660 wrote to memory of 3492 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 96 PID 1660 wrote to memory of 1764 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 101 PID 1660 wrote to memory of 1764 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 101 PID 1764 wrote to memory of 5016 1764 cmd.exe 103 PID 1764 wrote to memory of 5016 1764 cmd.exe 103 PID 1660 wrote to memory of 4748 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 104 PID 1660 wrote to memory of 4748 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 104 PID 1660 wrote to memory of 4748 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 104 PID 1660 wrote to memory of 316 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 106 PID 1660 wrote to memory of 316 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 106 PID 1660 wrote to memory of 316 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 106 PID 1660 wrote to memory of 4860 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 108 PID 1660 wrote to memory of 4860 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 108 PID 1660 wrote to memory of 4860 1660 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 108 PID 4860 wrote to memory of 3588 4860 csrss.exe 109 PID 4860 wrote to memory of 3588 4860 csrss.exe 109 PID 4860 wrote to memory of 3588 4860 csrss.exe 109 PID 4860 wrote to memory of 4232 4860 csrss.exe 115 PID 4860 wrote to memory of 4232 4860 csrss.exe 115 PID 4860 wrote to memory of 4232 4860 csrss.exe 115 PID 4860 wrote to memory of 5032 4860 csrss.exe 117 PID 4860 wrote to memory of 5032 4860 csrss.exe 117 PID 4860 wrote to memory of 5032 4860 csrss.exe 117 PID 4860 wrote to memory of 692 4860 csrss.exe 119 PID 4860 wrote to memory of 692 4860 csrss.exe 119 PID 2724 wrote to memory of 2216 2724 windefender.exe 125 PID 2724 wrote to memory of 2216 2724 windefender.exe 125 PID 2724 wrote to memory of 2216 2724 windefender.exe 125 PID 2216 wrote to memory of 4144 2216 cmd.exe 126 PID 2216 wrote to memory of 4144 2216 cmd.exe 126 PID 2216 wrote to memory of 4144 2216 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\950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe"C:\Users\Admin\AppData\Local\Temp\950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3848 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324
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C:\Users\Admin\AppData\Local\Temp\950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe"C:\Users\Admin\AppData\Local\Temp\950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.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:1660 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3492
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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:1764 -
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:5016
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4748
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:316
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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:4860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3588
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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:4796
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4628
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4232
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032
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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:692
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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:4868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2724 -
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:2216 -
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:4144
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3824
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db28e56b70aa132f8a1c37177525ce1e
SHA1a32c4b9c4c4a3c108007e4429b813920b485138d
SHA256aca0fff7f7d1473e00157aedfeaab6b312dcbcb8227b1e2d912c2279a985a2ca
SHA5129355651d9340b2601b556a5a66d626a75369c034ba247851cf254ce45d2e82a0c39c6165201c780464abfb7b9df219a494e12efe37be437820dc7bdb9700947f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5168bbaf641a1c4430efa9c544a577345
SHA1e778e66431ea534c3771f24fad42c625a177224c
SHA2569d296546376fd33bdea2e5d86e08389227a467f5cc5cd43aba8b5e43052ab159
SHA512d896f66ffc178ce1315c5f7f9d35bcc0985844c8e47426f6f3aa89ae407937c698b708273d921a54d286a142c54e700222f00275b774a762a79493cbb1e88178
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564d09d6347809897858b018d91649319
SHA1cfdfd63ed80ebd0bfceb04cd19051073dbcea9e4
SHA2565603c5d29224fefdd28c4fb8a0aeac4825fee5480aaceccb5b014aeb7d2c65c5
SHA512ff486a037209cdde5656595fdd81c372b64526e084cff25b64a29e45151cb71fa8842933b8249ee477ed7f0d58895c23d307cae1516fb66b74c143efe37fefc1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5036059f0610cc773543b095703833deb
SHA1b0486f85371a1fc59416093b46fb9f8655642d17
SHA256bf6a91989478c9c29a99966b8df3c00e9820289ffb273ff26175e0bcf1a8ca2b
SHA512fd58b753e2b65717a8f58ec34a432e9359fc175d6836cdd08ff5b46e2c06220cc6a1aac2789940b4788e6107a75d0a4d1ce52f392ae89979cb1e7591442407ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b0c454f8b53ca2859edfb37d504b972
SHA1dab30333d08cceb64bb0911633486b93cc76bec7
SHA2564ec98ea97d611a02f4d9dd039de9cad0e851858731a950283212ed9239bbef0b
SHA512853f928fc389561c299e3e716edd62d1e2ed3acb856eb4628f7acf26ce7b7664f086a062f9ebc69a17de93097cca6022d1f807b066fa714f339247f41957e00d
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Filesize
4.1MB
MD5cdb2feb9b00016775e9a2ea248967c93
SHA169ef288b66ad50be355024cc8000d834d09f30b2
SHA256950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147
SHA5125e8aaecdddb890f760dbc0c62d59fc4b7a498595503920d08c0b38efdf8fbd3c1ac9d0d440169dc70ef54b1c225fb6994fadd1dc3216ed2a26163c5372bc9a85
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec