Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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 behavioral2/memory/340-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/340-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/340-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/340-110-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/1556-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4156-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3832 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4156 csrss.exe 3756 injector.exe 32 windefender.exe 4084 windefender.exe -
Processes:
resource yara_rule behavioral2/memory/4084-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/32-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx C:\Windows\windefender.exe upx behavioral2/memory/32-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4084-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4084-217-0x0000000000400000-0x00000000008DF000-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-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 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.
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 1576 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1452 powershell.exe 3048 powershell.exe 3936 powershell.exe 2220 powershell.exe 4912 powershell.exe 648 powershell.exe 4988 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 2912 schtasks.exe 3660 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exepowershell.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exepowershell.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4912 powershell.exe 4912 powershell.exe 340 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 340 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 648 powershell.exe 648 powershell.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe 4988 powershell.exe 4988 powershell.exe 1452 powershell.exe 1452 powershell.exe 3048 powershell.exe 3048 powershell.exe 3936 powershell.exe 3936 powershell.exe 2220 powershell.exe 2220 powershell.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 4156 csrss.exe 4156 csrss.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 4156 csrss.exe 4156 csrss.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 4156 csrss.exe 4156 csrss.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe 3756 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 340 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Token: SeImpersonatePrivilege 340 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe Token: SeDebugPrivilege 648 powershell.exe Token: SeDebugPrivilege 4988 powershell.exe Token: SeDebugPrivilege 1452 powershell.exe Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeSystemEnvironmentPrivilege 4156 csrss.exe Token: SeSecurityPrivilege 1576 sc.exe Token: SeSecurityPrivilege 1576 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 340 wrote to memory of 4912 340 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 340 wrote to memory of 4912 340 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 340 wrote to memory of 4912 340 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 648 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 648 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 648 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 1976 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe cmd.exe PID 1556 wrote to memory of 1976 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe cmd.exe PID 1976 wrote to memory of 3832 1976 cmd.exe netsh.exe PID 1976 wrote to memory of 3832 1976 cmd.exe netsh.exe PID 1556 wrote to memory of 4988 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 4988 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 4988 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 1452 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 1452 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 1452 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe powershell.exe PID 1556 wrote to memory of 4156 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe csrss.exe PID 1556 wrote to memory of 4156 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe csrss.exe PID 1556 wrote to memory of 4156 1556 950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe csrss.exe PID 4156 wrote to memory of 3048 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 3048 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 3048 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 3936 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 3936 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 3936 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 2220 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 2220 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 2220 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 3756 4156 csrss.exe injector.exe PID 4156 wrote to memory of 3756 4156 csrss.exe injector.exe PID 32 wrote to memory of 4620 32 windefender.exe cmd.exe PID 32 wrote to memory of 4620 32 windefender.exe cmd.exe PID 32 wrote to memory of 4620 32 windefender.exe cmd.exe PID 4620 wrote to memory of 1576 4620 cmd.exe sc.exe PID 4620 wrote to memory of 1576 4620 cmd.exe sc.exe PID 4620 wrote to memory of 1576 4620 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\950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe"C:\Users\Admin\AppData\Local\Temp\950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:340 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4912 -
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:1556 -
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:648 -
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:1976 -
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:3832 -
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:4988 -
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:1452 -
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:4156 -
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:3048 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2912 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4056
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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:3936 -
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:2220 -
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:3756 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3660 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:32 -
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:4620 -
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:1576
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4084
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
MD5ad8462f4f730e261bb85c2925036287c
SHA1af3b1cd72a15763ea3dea40b612b12610a98ec2e
SHA25649ec7447330fd6500b7716994fd1849cbdb93a60897db79b29316695acee787e
SHA512c5fc23142efcb84a3123e128f140576b464e1de5f3284c852b226f2d1796c947a05953c9f3fe3a8ba16ab812ca742f04d632c30c9c8bd05831eeee2b28a283c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae3020922aa50000c4f973aff52f35b9
SHA1f880710383c7d6f9bf7c568dc5c06eee6e4e23c0
SHA2567214dc60bcbe7ddaa2316fbe22084d3a87554ab2588136a3d2cc91509dc3bc14
SHA512b61354f8d0b4b3972c618cd2bd20bba093980db72ea344aa8e2076329a22064e23607c9eeb645923cb3964ae858d0ff7448ce76fd612a143f988a613c3099f95
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d812935c39cd85f0c06b423d05c9f0f
SHA14ec261bf23bde755d8c6a755503ef75c52bdf031
SHA256ee73095f6df2ffa982696e8f1048769b17b1dcb571a8f1ce238444eb2a51348f
SHA512ac9d60bedf1b62ee99efda359f5b0b3950280ce2cf94f1ed1ad02af4b655baedf139999d97ff9a4f86644df88cf7062dc29eeaf213962d8042872f08c452ae00
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b7c72227a7c12391ad71185c06efdb9
SHA14a3ff6b63b1504f18b346251335f951ec4ce690d
SHA2565389bf9277154bd0aa7964336af780f511294b08b29db4013eb55f6e90a4dda6
SHA5128f853d062d03fd10a59ea01ce3a82d47e64f9e67f5964a264ae33653325d4b78560303de0caf37e4bbcb8fe80f5bacdf304889f563cde28f746a1e630ce0e35d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f889dcadde44042fe6dfc48970062f48
SHA1addbdb12695ea47fd6fb62f11eed118d971b7182
SHA2563f00f72b5fd52edf73ae164033d97ea28c4a8347e33fc263427e0e6a921db4f5
SHA51275d8bd65f1eeba753de84c05350cd293193da73f2f9f2e479008f6bb70248c6cedcd6688f77354e00c82ad704939452eba5ebabaf75926c75ed0080befb12dd3
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Filesize
4.1MB
MD5cdb2feb9b00016775e9a2ea248967c93
SHA169ef288b66ad50be355024cc8000d834d09f30b2
SHA256950ae4a37709b8f0cc51f64929462f34aa961e1be249e38ab2f758e551110147
SHA5125e8aaecdddb890f760dbc0c62d59fc4b7a498595503920d08c0b38efdf8fbd3c1ac9d0d440169dc70ef54b1c225fb6994fadd1dc3216ed2a26163c5372bc9a85
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec