Analysis
-
max time kernel
149s -
max time network
152s -
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 22:44
Static task
static1
Behavioral task
behavioral1
Sample
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe
Resource
win10v2004-20240412-en
General
-
Target
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe
-
Size
4.2MB
-
MD5
29f5b3dbfec146e667a0706d36251069
-
SHA1
a062eb876d339b850714792eed620c53354daeab
-
SHA256
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3
-
SHA512
887243d23c42d45a7620587c76359121e0f8a99169b66d4e14eb7c68b70c14866ffae0d713fcb4ee6a7fc8cf3f2baad9b8bef0345dcdddb236ec574fdcdebbf3
-
SSDEEP
98304:3/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGa:PdVQtLoTZDg5GO9BqlcS
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/4392-2-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/4392-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4392-43-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4392-45-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/2284-46-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-127-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2284-146-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-241-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-250-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-251-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4876-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1896 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4876 csrss.exe 2992 injector.exe 4644 windefender.exe 2988 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4644-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2988-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2988-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exedescription ioc process 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 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe File created C:\Windows\rss\csrss.exe e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 428 sc.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2252 3444 WerFault.exe powershell.exe 2928 4392 WerFault.exe e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 4696 2284 WerFault.exe e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.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 1076 schtasks.exe 3064 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exewindefender.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.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" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain 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" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exepowershell.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3444 powershell.exe 3444 powershell.exe 4392 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 4392 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1436 powershell.exe 1436 powershell.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1404 powershell.exe 1404 powershell.exe 4920 powershell.exe 4920 powershell.exe 4088 powershell.exe 4088 powershell.exe 2232 powershell.exe 2232 powershell.exe 3676 powershell.exe 3676 powershell.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 4876 csrss.exe 4876 csrss.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 4876 csrss.exe 4876 csrss.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 4876 csrss.exe 4876 csrss.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe 2992 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid process Token: SeDebugPrivilege 3444 powershell.exe Token: SeDebugPrivilege 4392 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Token: SeImpersonatePrivilege 4392 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeDebugPrivilege 4920 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 3676 powershell.exe Token: SeSystemEnvironmentPrivilege 4876 csrss.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4392 wrote to memory of 3444 4392 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 4392 wrote to memory of 3444 4392 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 4392 wrote to memory of 3444 4392 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 1436 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 1436 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 1436 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 572 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe cmd.exe PID 2284 wrote to memory of 572 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe cmd.exe PID 572 wrote to memory of 1896 572 cmd.exe Conhost.exe PID 572 wrote to memory of 1896 572 cmd.exe Conhost.exe PID 2284 wrote to memory of 1404 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 1404 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 1404 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 4920 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 4920 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 4920 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 2284 wrote to memory of 4876 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe csrss.exe PID 2284 wrote to memory of 4876 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe csrss.exe PID 2284 wrote to memory of 4876 2284 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe csrss.exe PID 4876 wrote to memory of 4088 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 4088 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 4088 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 2232 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 2232 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 2232 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 3676 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 3676 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 3676 4876 csrss.exe powershell.exe PID 4876 wrote to memory of 2992 4876 csrss.exe injector.exe PID 4876 wrote to memory of 2992 4876 csrss.exe injector.exe PID 4644 wrote to memory of 5028 4644 windefender.exe cmd.exe PID 4644 wrote to memory of 5028 4644 windefender.exe cmd.exe PID 4644 wrote to memory of 5028 4644 windefender.exe cmd.exe PID 5028 wrote to memory of 428 5028 cmd.exe sc.exe PID 5028 wrote to memory of 428 5028 cmd.exe sc.exe PID 5028 wrote to memory of 428 5028 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
-
C:\Users\Admin\AppData\Local\Temp\e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe"C:\Users\Admin\AppData\Local\Temp\e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3444 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 25683⤵
- Program crash
PID:2252 -
C:\Users\Admin\AppData\Local\Temp\e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe"C:\Users\Admin\AppData\Local\Temp\e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.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:2284 -
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: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:572 -
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:1896 -
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:1404 -
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:4920 -
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:4876 -
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:4088 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1076 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4124
-
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:2232 -
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:3676 -
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:2992 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:1896
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3064 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4644 -
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:5028 -
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
PID:428 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 9283⤵
- Program crash
PID:4696 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 7722⤵
- Program crash
PID:2928
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3444 -ip 34441⤵PID:1348
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4392 -ip 43921⤵PID:348
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2284 -ip 22841⤵PID:1492
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2988
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f4f26a2c0960e8e55d43d37ca57c930
SHA11457e32ef5afe287c26c23726b63be93af0eec63
SHA256f7bdb6ee0bd5bca91b2131da402551795ed7915fb25fe28450acf639368606c5
SHA51262a5b0311517fa2543e2f00c095a4dcc808d6f362d6bde6ce15d276e9d34c30150455e9290fd98bca628928a4325dd75d7796315972d5cca87a0b519fd15bc3e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517e7c02be6d9f2c77693cb71dae32de7
SHA17cd26b2b8e3c6287a03d33c92d6eba6aa2f25b1d
SHA256feb53bdd6a3c0082fbe923de25f5f1f57360f59a33b12ad50d2bc2a5057c0572
SHA512d11fed25aef97546451391f5fb34eaca0e8794723779f46c07f4f89c9e023d8b1206744714ecade7406d425babda577cc197d15825c2eaef7efb3245829a5d84
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5357a0532b80c7370bc61da68bb85958f
SHA1d34c6f7236d25a3fad02ac59c937bd3b94dbcba3
SHA2562338e208276275a591c41852e7dfac29093eb34d65764824d3ffa1614105c92f
SHA5129095c8279d2158dbbd8b38f2389f41b9724d726096e7f030a22bf77dc948f2d47ecdb48023fe4093643902063d5359886fe3cf1a667bc796bfe84ccfa735e347
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a40c8ac4250a2a656e6190582bb31dd5
SHA183eea589dbabdcea073fdfac8dc61cb9417cc1c9
SHA256bd0d64f60589b9b4c9aa64fd9a0e16dde6085b6bc26d43a1e73872a105e4a662
SHA5129909f20f5f85765eb56a08540773b4c746b5df113da6c47d8fdf98c5d58cf2f6104a2b8e93fa90db4d19ac45eeabc5bae093f4913fdb25a591a7bd9db0b9cfbb
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528767577834e9e3e26ad56ebfe7df01a
SHA14e6f7788cd540ab1351292028ca7e61558905e93
SHA256935bb0ba5a3dad2fc5ece3e7e0f6f407fd9c81d46dfedc74c2fd236073204e58
SHA512b8521491c0868fe89172ece1ca4e2681e0f7218d12e8cf3afe69132b61328da3ddfdff95a5b348dc21b12f4397e7f37bf44aa538123d582f4a7dd60513bfd9e1
-
Filesize
4.2MB
MD529f5b3dbfec146e667a0706d36251069
SHA1a062eb876d339b850714792eed620c53354daeab
SHA256e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3
SHA512887243d23c42d45a7620587c76359121e0f8a99169b66d4e14eb7c68b70c14866ffae0d713fcb4ee6a7fc8cf3f2baad9b8bef0345dcdddb236ec574fdcdebbf3
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec