Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:18
Static task
static1
Behavioral task
behavioral1
Sample
735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe
Resource
win10v2004-20240508-en
General
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Target
735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe
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Size
4.1MB
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MD5
8b276996d5f025a6910d58c61615ad2d
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SHA1
cbd78ed04260737e194aa83c02b7dbc9403d5dca
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SHA256
735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f
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SHA512
706672e6139bfde18147a37aab12a87e5557264fa3478dca01d725bf2bfbd077652365bb37c95594d200c1bf09fd07a60745b88e09c07c20a15bbe03705244f5
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SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCM:hLlNLHtGNcOLFp5JFwlsCM
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4972-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/4972-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4972-37-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4972-53-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/4972-52-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4972-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-74-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4792-128-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-197-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-206-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-223-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-227-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-231-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-234-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-239-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-243-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3812-247-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4412 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3812 csrss.exe 900 injector.exe 3344 windefender.exe 2632 windefender.exe -
resource yara_rule behavioral2/memory/3344-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa66-211.dat upx behavioral2/memory/2632-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3344-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2632-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2632-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe File created C:\Windows\rss\csrss.exe 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1656 sc.exe -
pid Process 4136 powershell.exe 4748 powershell.exe 2244 powershell.exe 4744 powershell.exe 1472 powershell.exe 720 powershell.exe 1120 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2988 schtasks.exe 1568 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" 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" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.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,-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,-222 = "Alaskan Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4136 powershell.exe 4136 powershell.exe 4972 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4972 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4748 powershell.exe 4748 powershell.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2244 powershell.exe 2244 powershell.exe 4744 powershell.exe 4744 powershell.exe 1472 powershell.exe 1472 powershell.exe 720 powershell.exe 720 powershell.exe 1120 powershell.exe 1120 powershell.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 3812 csrss.exe 3812 csrss.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 3812 csrss.exe 3812 csrss.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 3812 csrss.exe 3812 csrss.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4136 powershell.exe Token: SeDebugPrivilege 4972 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Token: SeImpersonatePrivilege 4972 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Token: SeDebugPrivilege 4748 powershell.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 4744 powershell.exe Token: SeDebugPrivilege 1472 powershell.exe Token: SeDebugPrivilege 720 powershell.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeSystemEnvironmentPrivilege 3812 csrss.exe Token: SeSecurityPrivilege 1656 sc.exe Token: SeSecurityPrivilege 1656 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4972 wrote to memory of 4136 4972 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 82 PID 4972 wrote to memory of 4136 4972 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 82 PID 4972 wrote to memory of 4136 4972 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 82 PID 4792 wrote to memory of 4748 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 87 PID 4792 wrote to memory of 4748 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 87 PID 4792 wrote to memory of 4748 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 87 PID 4792 wrote to memory of 1880 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 89 PID 4792 wrote to memory of 1880 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 89 PID 1880 wrote to memory of 4412 1880 cmd.exe 91 PID 1880 wrote to memory of 4412 1880 cmd.exe 91 PID 4792 wrote to memory of 2244 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 92 PID 4792 wrote to memory of 2244 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 92 PID 4792 wrote to memory of 2244 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 92 PID 4792 wrote to memory of 4744 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 94 PID 4792 wrote to memory of 4744 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 94 PID 4792 wrote to memory of 4744 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 94 PID 4792 wrote to memory of 3812 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 96 PID 4792 wrote to memory of 3812 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 96 PID 4792 wrote to memory of 3812 4792 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 96 PID 3812 wrote to memory of 1472 3812 csrss.exe 97 PID 3812 wrote to memory of 1472 3812 csrss.exe 97 PID 3812 wrote to memory of 1472 3812 csrss.exe 97 PID 3812 wrote to memory of 720 3812 csrss.exe 103 PID 3812 wrote to memory of 720 3812 csrss.exe 103 PID 3812 wrote to memory of 720 3812 csrss.exe 103 PID 3812 wrote to memory of 1120 3812 csrss.exe 105 PID 3812 wrote to memory of 1120 3812 csrss.exe 105 PID 3812 wrote to memory of 1120 3812 csrss.exe 105 PID 3812 wrote to memory of 900 3812 csrss.exe 107 PID 3812 wrote to memory of 900 3812 csrss.exe 107 PID 3344 wrote to memory of 3828 3344 windefender.exe 113 PID 3344 wrote to memory of 3828 3344 windefender.exe 113 PID 3344 wrote to memory of 3828 3344 windefender.exe 113 PID 3828 wrote to memory of 1656 3828 cmd.exe 114 PID 3828 wrote to memory of 1656 3828 cmd.exe 114 PID 3828 wrote to memory of 1656 3828 cmd.exe 114 -
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\735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe"C:\Users\Admin\AppData\Local\Temp\735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4136
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C:\Users\Admin\AppData\Local\Temp\735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe"C:\Users\Admin\AppData\Local\Temp\735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.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:4792 -
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\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:1880 -
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:4412
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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:2244
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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:4744
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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:3812 -
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:1472
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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:2988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2732
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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:720
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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:1120
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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:900
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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:1568
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3344 -
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:3828 -
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:1656
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2632
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
MD5f787794d806c073f835005bb350d583f
SHA1a90e879584a6d05e42d867eb70353536c8358bb8
SHA25619570c5c5007d6e98bba68d1d92953df34490feb5f78c67ca7ef756449e2cf46
SHA512b0dab9e412763cf9821c3e4c2f80749db5fbb3936de36882ae6b30c1b733ab1827bac16014af0be517137bf4b1d9abb5b323138e74792562cf6e5613e4fe550d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574635fc477c1d92daa15be553cdc1394
SHA114237aa114139c8e21c2e456006acf7fad89b957
SHA256f7955b0af3be044533a99c21a8e0b8f250d750973f9b0cb2a2872fb417e45a3e
SHA512f740be5a937dd1364ce701a2fefd4d84b07f07688a08b98bf0245c270b4ad156e0f39e126a96833481015a636ed62bde26161d5bda1c3ad894e8cb99e7d28126
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4a6d0aaf08d003d0dda147ce3197936
SHA15d9f9e3b9e4a481ba7a40a059b3fcbbc06ee3ef9
SHA256bca8e531932f60c2ddeed54c769bab03e9c5c601b45adac0e8c4ace101bd064a
SHA5122ff628e64f3e07a9a0dff115bb18d1fd3724d6893d11f87d86de7dee1c04d958a072f38db1db0ba1545cdfe7ab3dc60c724ad199df7bdb2717f639059b5a6d56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccf7e704c629f45d2d0488eca6c71eb8
SHA1b6962d04fa610ec89826824e3ae159a5132367c8
SHA2561209f39d98eb70a8c52198dc2d2eb8b24a749d197d90546887a7db9ad6144ad5
SHA5126492336adebbd11dcf44146d59665b92076a9e5db3804406d2fcb852447acb426ac4b9b48e194f205312c603b5420626f436a4bdbde1f6528b736b74f8d0595d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e68191d002b3d7792561270e3fdf4bdc
SHA16d9022ed140042eb722f1f383f0ab6ee0268dc1f
SHA256421560588f5fd0506e3035e8861ce4d99473d033cefc74a4c760a6bccbbc7069
SHA5123569a1bca0883fcb6ee83299ea4c5a9673ae009767d18d66d99394888dae73d39c29592303913a259e70a638e65a2571255103dc4715a665ffc8e4763d69940e
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Filesize
4.1MB
MD58b276996d5f025a6910d58c61615ad2d
SHA1cbd78ed04260737e194aa83c02b7dbc9403d5dca
SHA256735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f
SHA512706672e6139bfde18147a37aab12a87e5557264fa3478dca01d725bf2bfbd077652365bb37c95594d200c1bf09fd07a60745b88e09c07c20a15bbe03705244f5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec