Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-04-2024 10:10
Static task
static1
Behavioral task
behavioral1
Sample
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe
Resource
win10v2004-20240412-en
General
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Target
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe
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Size
4.2MB
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MD5
20f7537fe85c46cc276b2cfa1985badd
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SHA1
c2576748fe1367574f2500213b1abbfbaf688f70
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SHA256
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd
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SHA512
e20e00c14a6817767161dfc16c3f12318d4b195fc9ee0f3ec0a7b3036751f9b8282dc6e6e9cc2535cb7e29a7df13ee923eb81deaa445bdcc5834d73a2ab99233
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SSDEEP
98304:RkCzxGX67jziInOwT+p9cyq2eBMnsC4wev2TDFlm5IHuXj9:zAXIiaT+p9uBMsCfecmJJ
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/2828-2-0x0000000005380000-0x0000000005C6B000-memory.dmp family_glupteba behavioral2/memory/2828-3-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3568-52-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral2/memory/3568-53-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/2828-79-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3568-126-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/3568-177-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-242-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-253-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-257-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-261-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-265-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-269-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-273-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-277-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-281-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-285-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-289-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-293-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral2/memory/4736-297-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2768 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4736 csrss.exe 3240 injector.exe 4812 windefender.exe 952 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4812-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/952-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/952-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/952-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 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 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:
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe -
Drops file in Windows directory 4 IoCs
Processes:
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4388 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1428 schtasks.exe 1148 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exepowershell.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 432 powershell.exe 432 powershell.exe 2828 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 2828 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 4628 powershell.exe 4628 powershell.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 2820 powershell.exe 2820 powershell.exe 1580 powershell.exe 1580 powershell.exe 5008 powershell.exe 5008 powershell.exe 2108 powershell.exe 2108 powershell.exe 1856 powershell.exe 1856 powershell.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 4736 csrss.exe 4736 csrss.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 4736 csrss.exe 4736 csrss.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 4736 csrss.exe 4736 csrss.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe 3240 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 432 powershell.exe Token: SeDebugPrivilege 2828 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Token: SeImpersonatePrivilege 2828 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 1580 powershell.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 2108 powershell.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeSystemEnvironmentPrivilege 4736 csrss.exe Token: SeSecurityPrivilege 4388 sc.exe Token: SeSecurityPrivilege 4388 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2828 wrote to memory of 432 2828 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 2828 wrote to memory of 432 2828 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 2828 wrote to memory of 432 2828 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 4628 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 4628 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 4628 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 236 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe cmd.exe PID 3568 wrote to memory of 236 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe cmd.exe PID 236 wrote to memory of 2768 236 cmd.exe netsh.exe PID 236 wrote to memory of 2768 236 cmd.exe netsh.exe PID 3568 wrote to memory of 2820 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 2820 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 2820 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 1580 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 1580 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 1580 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 3568 wrote to memory of 4736 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe csrss.exe PID 3568 wrote to memory of 4736 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe csrss.exe PID 3568 wrote to memory of 4736 3568 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe csrss.exe PID 4736 wrote to memory of 5008 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 5008 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 5008 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 2108 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 2108 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 2108 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 1856 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 1856 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 1856 4736 csrss.exe powershell.exe PID 4736 wrote to memory of 3240 4736 csrss.exe injector.exe PID 4736 wrote to memory of 3240 4736 csrss.exe injector.exe PID 4812 wrote to memory of 4892 4812 windefender.exe cmd.exe PID 4812 wrote to memory of 4892 4812 windefender.exe cmd.exe PID 4812 wrote to memory of 4892 4812 windefender.exe cmd.exe PID 4892 wrote to memory of 4388 4892 cmd.exe sc.exe PID 4892 wrote to memory of 4388 4892 cmd.exe sc.exe PID 4892 wrote to memory of 4388 4892 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\25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe"C:\Users\Admin\AppData\Local\Temp\25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:432
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C:\Users\Admin\AppData\Local\Temp\25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe"C:\Users\Admin\AppData\Local\Temp\25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.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:3568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4628
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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:236 -
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:2768
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2820
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1580
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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:4736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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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:1428
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4896
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2108
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856
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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:3240
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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:1148
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4812 -
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:4892 -
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:4388
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:952
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5423444f7cdacd8251e6258dc96fcc46f
SHA12f6c2bcbc7a1831ec2d228cdf1879e9a6c5750e1
SHA2560255457b1e947f6c2c8d5f03056b3a5817aaafdd0274d4aff53bdc66d459ad72
SHA5128adbe0bb28a6020298f128e6f771cd9e476bb8a04fdee31da1bc9ef0dc222d893928830b7e09a52e50426b85be12e0153b3beed9c9392a590f797101ad5eb951
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567aefc6da0e505856b81e59ee02a941e
SHA12b40dd3fc7f2afa8a489f143a5c51d7d5d95548b
SHA256794c01027d9a8eefa20d05fc5729dde5149dcef39b2984bc9b38953a433b281f
SHA512cdb05ba1ccddb75c364859d30c39d01ca337cf994bed00a47980ef96f83ab145e696153a0faafe60c750719d0a35411a0b067600f5293830cad966fdb2d79edf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5808a164600ad84003557dce244232fbc
SHA1edca433558f9ee6549c9cc003d204b3b257c92dc
SHA2566041bd3e1a5960adbd0be41555db626e1f741b553df30051c1973614f907551f
SHA5123c36190e1186e3d03916146e8a48878afd7f14c1c16cec5e6e5ac0b15f38d925a04f58ab096ecbbdad58c1dc898500b2c567b346865e326c8a31c40f171aa418
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583a4a6e16380dc064d76f49019ee8a61
SHA14b214c0cec59b7885692eed504c19c799bea4cae
SHA256f82241cfb96e2f97adf014bc467760d8bb810885a8267261c047dd04cb620a51
SHA512d8901ef2c43f90e5a7fd6fb073dd99f751c09f361da3aafad7d63a53207fd4bf06d97181cb16786ccbeff3655e3b3d51a09e7341c660feaeba90c6da7826df77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c688be21cc8b946aacf4f0d0c2c3c534
SHA14bf9844edd8e81a898d0e76d966d435fe7bb2d47
SHA256673229cb6c0b447c03e3e566a0d73b62e2d57b9fcd87e67bde4f42221d2e259a
SHA512e516f849ac53e13004b9c0aacead29a9f71cccfef51b2b11f3edbf81c6dc116baeb6d343a34fc73f054161fe0433ca760c7e5a051e2d3bf9b7ab645520382b97
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Filesize
4.2MB
MD520f7537fe85c46cc276b2cfa1985badd
SHA1c2576748fe1367574f2500213b1abbfbaf688f70
SHA25625802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd
SHA512e20e00c14a6817767161dfc16c3f12318d4b195fc9ee0f3ec0a7b3036751f9b8282dc6e6e9cc2535cb7e29a7df13ee923eb81deaa445bdcc5834d73a2ab99233
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec