Analysis
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max time kernel
149s -
max time network
124s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 05:00
Static task
static1
Behavioral task
behavioral1
Sample
499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe
Resource
win10v2004-20240426-en
General
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Target
499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe
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Size
4.1MB
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MD5
d61e63df5c6a07a673a7a2e2afd01bf1
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SHA1
2d5a6a308c9c20f9913ad2f764e9d5947f69df40
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SHA256
499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb
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SHA512
66dafa805c4f7881beafdd08fc3885d97cc179c8d1ccb97784cec191c5ec566229c962ef326fdb214a5eae1f996c49b415abf65341565d359cfab54e06a0ff3a
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SSDEEP
98304:eNO3yy04ogde7ep0A2AdPyQGNgd0+V4CCH3iZ/qkVniougG13:IOA8mA0A2AFyQ3d0+aD4qkVni53
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2924-2-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/2924-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2924-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2924-44-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2924-55-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/1356-72-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2924-96-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1356-122-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-146-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-200-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-211-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-213-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-216-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-223-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-225-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3060-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2120 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3060 csrss.exe 3540 injector.exe 2428 windefender.exe 8 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/2428-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/8-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2428-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/8-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/8-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.execsrss.exedescription 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\"" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.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\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe -
Drops file in Windows directory 4 IoCs
Processes:
499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe File created C:\Windows\rss\csrss.exe 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2452 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 5040 powershell.exe 3460 powershell.exe 4708 powershell.exe 1436 powershell.exe 3352 powershell.exe 4800 powershell.exe 3700 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3680 4708 WerFault.exe 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 5028 schtasks.exe 2208 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.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\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe 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,-2452 = "Saint Pierre Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.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" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exepowershell.exe499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4708 powershell.exe 4708 powershell.exe 2924 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 2924 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1436 powershell.exe 1436 powershell.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe 3352 powershell.exe 3352 powershell.exe 4800 powershell.exe 4800 powershell.exe 3700 powershell.exe 3700 powershell.exe 5040 powershell.exe 5040 powershell.exe 3460 powershell.exe 3460 powershell.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3060 csrss.exe 3060 csrss.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3060 csrss.exe 3060 csrss.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3060 csrss.exe 3060 csrss.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4708 powershell.exe Token: SeDebugPrivilege 2924 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Token: SeImpersonatePrivilege 2924 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeSystemEnvironmentPrivilege 3060 csrss.exe Token: SeSecurityPrivilege 2452 sc.exe Token: SeSecurityPrivilege 2452 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2924 wrote to memory of 4708 2924 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 2924 wrote to memory of 4708 2924 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 2924 wrote to memory of 4708 2924 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 1436 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 1436 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 1436 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 1196 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe cmd.exe PID 1356 wrote to memory of 1196 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe cmd.exe PID 1196 wrote to memory of 2120 1196 cmd.exe netsh.exe PID 1196 wrote to memory of 2120 1196 cmd.exe netsh.exe PID 1356 wrote to memory of 3352 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 3352 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 3352 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 4800 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 4800 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 4800 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe powershell.exe PID 1356 wrote to memory of 3060 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe csrss.exe PID 1356 wrote to memory of 3060 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe csrss.exe PID 1356 wrote to memory of 3060 1356 499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe csrss.exe PID 3060 wrote to memory of 3700 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 3700 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 3700 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 5040 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 5040 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 5040 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 3460 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 3460 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 3460 3060 csrss.exe powershell.exe PID 3060 wrote to memory of 3540 3060 csrss.exe injector.exe PID 3060 wrote to memory of 3540 3060 csrss.exe injector.exe PID 2428 wrote to memory of 1736 2428 windefender.exe cmd.exe PID 2428 wrote to memory of 1736 2428 windefender.exe cmd.exe PID 2428 wrote to memory of 1736 2428 windefender.exe cmd.exe PID 1736 wrote to memory of 2452 1736 cmd.exe sc.exe PID 1736 wrote to memory of 2452 1736 cmd.exe sc.exe PID 1736 wrote to memory of 2452 1736 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\499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe"C:\Users\Admin\AppData\Local\Temp\499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4708 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 25963⤵
- Program crash
PID:3680 -
C:\Users\Admin\AppData\Local\Temp\499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.exe"C:\Users\Admin\AppData\Local\Temp\499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb.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:1356 -
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:1436 -
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:1196 -
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:2120 -
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:3352 -
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:4800 -
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:3060 -
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:3700 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5028 -
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
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3460 -
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:3540 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2208 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2428 -
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:1736 -
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:2452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4708 -ip 47081⤵PID:3860
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:8
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
MD5426c33eceb96bc88aa16c3646695737c
SHA17ae88ddf44ab3ea822cd11d149b48e605f5cf978
SHA25687bd30caf49cb38a30b4b60571f9847822f377507bb51f4e36b07197c2d87bcf
SHA512b01c9944f334019bf687afe7f357262b945d31f67a1bb79955824c4449bb95bbe3f9d75b1ec0cd58122391cf2db416eea4b0834c41e56ee0deadc4cc98a40a46
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd0532fea00458290e4846c9eef342f1
SHA1aea64490ea2b0b7138e01500fd77f8476c02ea6c
SHA2569ba8e94bc4a4d8e5463e43d9202dfa1ba6988bcce5fdb389a5f024c3512d32fd
SHA512cbe8172b2b541edcc760e141456d22d10f5b20e3ff18c84955abd5e27727df2e360330ad7eb8e98dee9b88d7f8df9807350363d8ad0fe7a446735ae42a89ebd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a43a6b4de27d79e453096008891a6965
SHA118962700a4515fae2371c4fb6d116ae70cf7f6d4
SHA2569e6bf01ffe7324d7fdcc0ac23a38cb64a0894eae496ac6b40a5968375c6c7e24
SHA51219158c257a143cb6f7cfbdc8195e10ef07e613590f86573deb0475114caaf146c4758cc422c4812c4408cb55296d56325473227e85058d963e07f61284174ec5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4f3abdda2884e4305880305cab44a57
SHA1593053d24070552e28e8f037b1c344b2a0254727
SHA256d4511c668501e69fbff0c1dea4e8376837ab0929db4f573588c665ce09514149
SHA51262b9111f6407bfd8747ea507846a08e2c30f730a7474f9f5368722cb92446fc22372a4439ba5d817491ec33c5fc9afeb98b60364b51dd9b691739e299d7aad57
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578a961f7aee4f70189581624ac8d8e9d
SHA120640e0fdfe111afad09314535ab3940b4ebd901
SHA256c371d4bf7c6b7000c9f402ce498721603c2a4615e191a1286641f103ddd3a28b
SHA512c07ff2413aef1c390ce42417b9b69971899086fb7ffe7ad081af01c5d79ce8b1e91ac5b80556ade64ddb8ae396bbf70d59a28d1cbc4465c1c4b012333954ce37
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Filesize
4.1MB
MD5d61e63df5c6a07a673a7a2e2afd01bf1
SHA12d5a6a308c9c20f9913ad2f764e9d5947f69df40
SHA256499f6ad8a410eeaad598e650f82a61c1e86c5ce4ef1055cc1a3f968c882a6fbb
SHA51266dafa805c4f7881beafdd08fc3885d97cc179c8d1ccb97784cec191c5ec566229c962ef326fdb214a5eae1f996c49b415abf65341565d359cfab54e06a0ff3a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec