Analysis
- max time kernel
145s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system - submitted
18/05/2024, 11:30
Static task
static1
Behavioral task
behavioral1
Sample
5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe
Resource
win10v2004-20240426-en
General
- Target 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe
- Size 4.1MB
- Sample240518-nl9feahd2s
- SHA256 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6
- MD5 b927eed199e4ee489867e65628a4c595
- SHA1 c35783a4c6d96a068143676877a427c61f343820
- SHA512 f79138d4869b4c3375fe705b2a0afd764df5177a294dd953af5f4a0450f0ccf6d9a6ff90179a9cc576e639f18ef49f6a6a00c475ab9ae8422e9f41876e801cef
- SSDEEP 98304:4Z9bi3QNEOtUId2petU9sYIhWVMAA4+HU:R303UIApyYIhWVMEh
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4968-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/4968-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-98-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/740-123-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4968-126-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4968-178-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2552-180-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-191-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-194-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-196-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-200-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-203-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-206-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-209-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2552-223-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4568 netsh.exe - Executes dropped EXE 4 IoCs
pid Process 2552 csrss.exe 748 injector.exe 4788 windefender.exe 1184 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa17-183.dat upx behavioral2/memory/4788-185-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1184-187-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4788-189-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1184-192-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1184-198-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1184-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe - Drops file in System32 directory 6 IoCs
description ioc Process 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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe - Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.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 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe - Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2292 sc.exe -
pid Process 488 powershell.exe 3332 powershell.exe 1804 powershell.exe 4636 powershell.exe 864 powershell.exe 4852 powershell.exe 2472 powershell.exe - Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4864 schtasks.exe 1592 schtasks.exe - Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3332 powershell.exe 3332 powershell.exe 4968 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 4968 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 1804 powershell.exe 1804 powershell.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 4636 powershell.exe 4636 powershell.exe 864 powershell.exe 864 powershell.exe 2472 powershell.exe 2472 powershell.exe 488 powershell.exe 488 powershell.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 2552 csrss.exe 2552 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 2552 csrss.exe 2552 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 2552 csrss.exe 2552 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe - Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 4968 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Token: SeImpersonatePrivilege 4968 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe Token: SeDebugPrivilege 1804 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 864 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 488 powershell.exe Token: SeSystemEnvironmentPrivilege 2552 csrss.exe Token: SeSecurityPrivilege 2292 sc.exe Token: SeSecurityPrivilege 2292 sc.exe - Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4968 wrote to memory of 3332 4968 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 81 PID 4968 wrote to memory of 3332 4968 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 81 PID 4968 wrote to memory of 3332 4968 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 81 PID 740 wrote to memory of 1804 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 110 PID 740 wrote to memory of 1804 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 110 PID 740 wrote to memory of 1804 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 110 PID 740 wrote to memory of 3632 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 89 PID 740 wrote to memory of 3632 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 89 PID 3632 wrote to memory of 4568 3632 cmd.exe 91 PID 3632 wrote to memory of 4568 3632 cmd.exe 91 PID 740 wrote to memory of 4636 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 92 PID 740 wrote to memory of 4636 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 92 PID 740 wrote to memory of 4636 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 92 PID 740 wrote to memory of 864 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 94 PID 740 wrote to memory of 864 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 94 PID 740 wrote to memory of 864 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 94 PID 740 wrote to memory of 2552 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 96 PID 740 wrote to memory of 2552 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 96 PID 740 wrote to memory of 2552 740 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe 96 PID 2552 wrote to memory of 4852 2552 csrss.exe 97 PID 2552 wrote to memory of 4852 2552 csrss.exe 97 PID 2552 wrote to memory of 4852 2552 csrss.exe 97 PID 2552 wrote to memory of 2472 2552 csrss.exe 103 PID 2552 wrote to memory of 2472 2552 csrss.exe 103 PID 2552 wrote to memory of 2472 2552 csrss.exe 103 PID 2552 wrote to memory of 488 2552 csrss.exe 105 PID 2552 wrote to memory of 488 2552 csrss.exe 105 PID 2552 wrote to memory of 488 2552 csrss.exe 105 PID 2552 wrote to memory of 748 2552 csrss.exe 107 PID 2552 wrote to memory of 748 2552 csrss.exe 107 PID 4788 wrote to memory of 5016 4788 windefender.exe 113 PID 4788 wrote to memory of 5016 4788 windefender.exe 113 PID 4788 wrote to memory of 5016 4788 windefender.exe 113 PID 5016 wrote to memory of 2292 5016 cmd.exe 114 PID 5016 wrote to memory of 2292 5016 cmd.exe 114 PID 5016 wrote to memory of 2292 5016 cmd.exe 114 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe"C:\Users\Admin\AppData\Local\Temp\5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3332
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C:\Users\Admin\AppData\Local\Temp\5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.exe"C:\Users\Admin\AppData\Local\Temp\5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6.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:740 -
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:1804
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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:3632 -
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:4568
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4636
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864
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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:2552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:4852
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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:4864
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2732
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2472
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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:488
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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:748
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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:1592 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:1804
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4788 -
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:5016 -
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:2292
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1184
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
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jbspikpr.3jk.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
- Size 281KB
- SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
- MD5 d98e33b66343e7c96158444127a117f6
- SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
- SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
- SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
- MD5 d0c46cad6c0778401e21910bd6b56b70
- SHA1 7be418951ea96326aca445b8dfe449b2bfa0dca6
- SHA512 057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
- MD5 SHA1 SHA512
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 19KB
- SHA256 2665da5f1e54fa500a60d4819412450e240fa8aaf57fde798898f204f9aaaa69
- MD5 eadf83c6958f7d6286176a7e1c6ee4fc
- SHA1 954bea1a439872ade561fb5a987a34cd51b5d2a7
- SHA512 706feb16fb6c897323dec0f16d7194c60c449e228547ac55447212f78b15077fa8474f03bfbfb767db85805d145de7e20e0c5189c470353f46812c780bacca3e
- SSDEEP 384:QTHhwCSttmtYsbvFRl1UHnnNjjWa1ICmLNeoGnHb+z7nY9jhUdcH:/CSgjbdRENjjWa1ICmLNLGHb+zk9lUg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 19KB
- SHA256 bb53ad72678cc8881dfa9174643f10d2ab77eef6dc6cdd4ad9b1d9decc244d42
- MD5 1dbc610522dad9bfdb8df45de6edf329
- SHA1 220ca31f5233b6860f5a342cb8b918a716209e8f
- SHA512 11044f49742889cbd304059609467b6421d38c67dc138b8beb5f14921a17ff0dc342e65ad9f4bab9b16a6591b3d8985967cb11c49ea30fbfc8800b38998068bf
- SSDEEP 384:oTHhz1SSthR4FRHEME4GTeo4ghjWa13eLNbjS/Hb4czbnY9jhUdkH:ySS2RPEK0jWa13eLNXwbfzE9lU0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 19KB
- SHA256 4cb9dd2517f6047acb15d7c67f682ac1177d03b2aded62606798852c5983c813
- MD5 374308679fba7100d1721470bdceac04
- SHA1 0f3a820a71318a3f1dd0839359e7fabc40108e0c
- SHA512 b5d2de00f15b5e4497aad3382df3cd4bf3997d9169b61c47b1eb5e4da245b9c2db9432c965c8555bd253d7d98eac6a0858b4aed0d8d70b49f41f485bdbd0df1b
- SSDEEP 384:/L3Hh0CStcWbZLRHEgROLs9nxM0jWa13KLNeoI4b+z+nY9jhUdoH:jyCSDbZLRV7M0jWa13KLNL3b+zh9lU8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 19KB
- SHA256 2e2985527721568c148968a89d02869790025d090544d0f6c205c49343822a47
- MD5 1b64e90d70aaaf9b39245b702877449b
- SHA1 e8b6e05be01c89eb5b6e86333ec2f664e582fd12
- SHA512 1ab09297914ef82697b79d9eff139d982966b9fa28c2876805da62bc8a322c2b3d13a8e5f38d4ff48651cfcc14ad666bc0d6e6dda6156a6a4c94742d34f587b1
- SSDEEP 384:7L3Hhw2SJB+LW5RboLpsnNvjQGIvs+NXjg2FZb/HHz0RjNedF+:vK2SWLW5RApyvjfIvs+NzgmZb/nz0udk
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\rss\csrss.exe
- Size 4.1MB
- SHA256 5e72223c76b6c89c84a54e2ff80d974eb409ac8ac566705177b9a6e4ac2ecfb6
- MD5 b927eed199e4ee489867e65628a4c595
- SHA1 c35783a4c6d96a068143676877a427c61f343820
- SHA512 f79138d4869b4c3375fe705b2a0afd764df5177a294dd953af5f4a0450f0ccf6d9a6ff90179a9cc576e639f18ef49f6a6a00c475ab9ae8422e9f41876e801cef
- SSDEEP 98304:4Z9bi3QNEOtUId2petU9sYIhWVMAA4+HU:R303UIApyYIhWVMEh
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\windefender.exe
- Size 2.0MB
- SHA256 166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
- MD5 8e67f58837092385dcf01e8a2b4f5783
- SHA1 012c49cfd8c5d06795a6f67ea2baf2a082cf8625
- SHA512 40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
- SSDEEP 49152:y+SUiJeHpNnxG745Mfi39uXrbcI6DOdVgeuaNjwAx1bJljkv6kXjxNh:fdlHA4yiN8cI6SX3hbJCvhx
- MD5 SHA1 SHA512 SSDEEP