Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 09:47
Static task
static1
Behavioral task
behavioral1
Sample
cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe
Resource
win10v2004-20240426-en
General
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Target
cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe
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Size
4.1MB
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MD5
3a6cc48e7de1864927854fba35372693
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SHA1
5f7ed1e404a290f22c40adf1c9e8bb558fe8d2f4
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SHA256
cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91
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SHA512
4ef54d937033de417ec525f79c7cb5c329bd9e64ccfa5f7c72069296c7932bfd48e94299be9c85fad93ee35e32b4fba510f99160efc8556fba2b32dbf00d03a5
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SSDEEP
98304:khY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtiaI:aYlRLXY4O+pXvrLaqWucN
Malware Config
Signatures
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Glupteba payload 15 IoCs
Processes:
resource yara_rule behavioral2/memory/3836-2-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/3836-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3836-54-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/3836-91-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2220-90-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2220-129-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4704-203-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4704-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4704-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4704-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4704-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4704-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4704-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4704-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4820 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4704 csrss.exe 2436 injector.exe 4820 windefender.exe 4460 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4820-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4460-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4820-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4460-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4460-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 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:
cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe -
Drops file in Windows directory 4 IoCs
Processes:
cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.execsrss.exedescription ioc process File opened for modification C:\Windows\rss cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe File created C:\Windows\rss\csrss.exe cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.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 1560 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4220 powershell.exe 1300 powershell.exe 2820 powershell.exe 3988 powershell.exe 4304 powershell.exe 4824 powershell.exe 960 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 1100 schtasks.exe 436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.execd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 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\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.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,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China 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" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exepowershell.execd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4220 powershell.exe 4220 powershell.exe 3836 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 3836 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 1300 powershell.exe 1300 powershell.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2820 powershell.exe 2820 powershell.exe 3988 powershell.exe 3988 powershell.exe 4304 powershell.exe 4304 powershell.exe 4824 powershell.exe 4824 powershell.exe 960 powershell.exe 960 powershell.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 4704 csrss.exe 4704 csrss.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 4704 csrss.exe 4704 csrss.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 4704 csrss.exe 4704 csrss.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.execd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4220 powershell.exe Token: SeDebugPrivilege 3836 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Token: SeImpersonatePrivilege 3836 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Token: SeDebugPrivilege 1300 powershell.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 960 powershell.exe Token: SeSystemEnvironmentPrivilege 4704 csrss.exe Token: SeSecurityPrivilege 1560 sc.exe Token: SeSecurityPrivilege 1560 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.execd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3836 wrote to memory of 4220 3836 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 3836 wrote to memory of 4220 3836 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 3836 wrote to memory of 4220 3836 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 1300 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 1300 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 1300 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 1872 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe cmd.exe PID 2220 wrote to memory of 1872 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe cmd.exe PID 1872 wrote to memory of 4820 1872 cmd.exe netsh.exe PID 1872 wrote to memory of 4820 1872 cmd.exe netsh.exe PID 2220 wrote to memory of 2820 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 2820 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 2820 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 3988 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 3988 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 3988 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe powershell.exe PID 2220 wrote to memory of 4704 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe csrss.exe PID 2220 wrote to memory of 4704 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe csrss.exe PID 2220 wrote to memory of 4704 2220 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe csrss.exe PID 4704 wrote to memory of 4304 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 4304 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 4304 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 4824 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 4824 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 4824 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 960 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 960 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 960 4704 csrss.exe powershell.exe PID 4704 wrote to memory of 2436 4704 csrss.exe injector.exe PID 4704 wrote to memory of 2436 4704 csrss.exe injector.exe PID 4820 wrote to memory of 1436 4820 windefender.exe cmd.exe PID 4820 wrote to memory of 1436 4820 windefender.exe cmd.exe PID 4820 wrote to memory of 1436 4820 windefender.exe cmd.exe PID 1436 wrote to memory of 1560 1436 cmd.exe sc.exe PID 1436 wrote to memory of 1560 1436 cmd.exe sc.exe PID 1436 wrote to memory of 1560 1436 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\cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe"C:\Users\Admin\AppData\Local\Temp\cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4220 -
C:\Users\Admin\AppData\Local\Temp\cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe"C:\Users\Admin\AppData\Local\Temp\cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.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:2220 -
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:1300 -
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:1872 -
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:4820 -
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:2820 -
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:3988 -
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:4704 -
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:4304 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1100 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3876
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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:4824 -
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:960 -
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:2436 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:436 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4820 -
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:1436 -
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:1560
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4460
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
MD5ae722ff4b42a220532cb2440925efad9
SHA11970f7f9fb78c51a530f983f1d6611e83dde569b
SHA256527cbde0b38fd6f4643bad611fcdd3adb5fe70ba75d244675db7c21b6600a32b
SHA5127fad9270f60a1e885a27316137866f114ce1a16ee9a36221275abc321d6d60ddfbaded4bee5fae68e67dff1b5075ac92d2f290da9df8d84f61068b73e8d6e2f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d1b464d24bb22ae747e35bd660812df
SHA1009907924801049f099b19d112d20bd37313e87d
SHA256e15f9823106bd2d6f19663e7bb244da53a231ac590e07e0855412a7b06d85985
SHA5125822a145738ca04e09976f0df56cf7fe06d4428e739ccd0f004457c05a5aa16ba0eab6f86795aa17a0dd858af841d0f2e94ec2e007b774305ebb29cb43e8fe5a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589b8b275ff8c26e3bf0949c81d1e00ab
SHA194d578b38cfa30b38a4dc12877b731d70663ced6
SHA2565a253938bceaef8302a1f7239a68dc0d926cf40bc15da984aadacf715eb1ac06
SHA5122c32deebc4d45e5361a1be278bd61c5ddf29a4e399a61c5821867c17808ff52085765b96ed51fa6fa95e8f213a131048cda22eba8127a17be7ee2a42180e2aa6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8df73ab9d09d91df6d459d9348dfd52
SHA1f0ec104bbb1cdfc2dd9544fcf9d5588b596c42dc
SHA256005c26e3a7ca34c1914e1e5f92ab7c2d7d497bb521681c9de77befb822465e3e
SHA512e08d6b7d4ad17698afb502cd5cc78dfecb9f23c7b0117ddd1e3aac2b398c4ec3bb37b14c2414a24b93cc9fedc6b115002ea2328f698e226b47ee241bb4ab0440
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dce06ce3c2a66a4965b7ccab31f8ba35
SHA1877e5992e06de4db27d9aca3f72a11044cbb7290
SHA2564dd0f5c8241c78b77f93c618d07283cfa8baaff1eddb9af9c10429420a69de3c
SHA512e3bf9ff0eb414e2d61046a06ec7cf49028f1b919d2f3accd09dc18c63c1bf7af7c08a590eb482dde9dfafb492ec6734a47d3568a55ec88f44a95ebb02bf60951
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Filesize
4.1MB
MD53a6cc48e7de1864927854fba35372693
SHA15f7ed1e404a290f22c40adf1c9e8bb558fe8d2f4
SHA256cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91
SHA5124ef54d937033de417ec525f79c7cb5c329bd9e64ccfa5f7c72069296c7932bfd48e94299be9c85fad93ee35e32b4fba510f99160efc8556fba2b32dbf00d03a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec