Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 17 IoCs
resource yara_rule behavioral1/memory/1420-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/1420-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1420-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1420-57-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/1420-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4616-99-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4616-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-189-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5112-252-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4256 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5112 csrss.exe 2140 injector.exe 3744 windefender.exe 1996 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002344b-225.dat upx behavioral1/memory/3744-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1996-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3744-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1996-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1996-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe -
Drops file in Windows directory 4 IoCs
description 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.
pid Process 1896 sc.exe -
pid Process 1836 powershell.exe 2628 powershell.exe 216 powershell.exe 4376 powershell.exe 3932 powershell.exe 2160 powershell.exe 2732 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 4836 schtasks.exe 2556 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-452 = "Caucasus Standard 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,-172 = "Central Standard Time (Mexico)" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\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,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.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,-962 = "Paraguay Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight 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\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\trust\CRLs powershell.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,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1836 powershell.exe 1836 powershell.exe 1420 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 1420 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 2628 powershell.exe 2628 powershell.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 216 powershell.exe 216 powershell.exe 4376 powershell.exe 4376 powershell.exe 3932 powershell.exe 3932 powershell.exe 2160 powershell.exe 2160 powershell.exe 2732 powershell.exe 2732 powershell.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 5112 csrss.exe 5112 csrss.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 5112 csrss.exe 5112 csrss.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 5112 csrss.exe 5112 csrss.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1836 powershell.exe Token: SeDebugPrivilege 1420 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Token: SeImpersonatePrivilege 1420 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 216 powershell.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 3932 powershell.exe Token: SeDebugPrivilege 2160 powershell.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeSystemEnvironmentPrivilege 5112 csrss.exe Token: SeSecurityPrivilege 1896 sc.exe Token: SeSecurityPrivilege 1896 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1420 wrote to memory of 1836 1420 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 87 PID 1420 wrote to memory of 1836 1420 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 87 PID 1420 wrote to memory of 1836 1420 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 87 PID 4616 wrote to memory of 2628 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 92 PID 4616 wrote to memory of 2628 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 92 PID 4616 wrote to memory of 2628 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 92 PID 4616 wrote to memory of 4684 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 94 PID 4616 wrote to memory of 4684 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 94 PID 4684 wrote to memory of 4256 4684 cmd.exe 96 PID 4684 wrote to memory of 4256 4684 cmd.exe 96 PID 4616 wrote to memory of 216 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 97 PID 4616 wrote to memory of 216 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 97 PID 4616 wrote to memory of 216 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 97 PID 4616 wrote to memory of 4376 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 99 PID 4616 wrote to memory of 4376 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 99 PID 4616 wrote to memory of 4376 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 99 PID 4616 wrote to memory of 5112 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 101 PID 4616 wrote to memory of 5112 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 101 PID 4616 wrote to memory of 5112 4616 cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91.exe 101 PID 5112 wrote to memory of 3932 5112 csrss.exe 104 PID 5112 wrote to memory of 3932 5112 csrss.exe 104 PID 5112 wrote to memory of 3932 5112 csrss.exe 104 PID 5112 wrote to memory of 2160 5112 csrss.exe 110 PID 5112 wrote to memory of 2160 5112 csrss.exe 110 PID 5112 wrote to memory of 2160 5112 csrss.exe 110 PID 5112 wrote to memory of 2732 5112 csrss.exe 112 PID 5112 wrote to memory of 2732 5112 csrss.exe 112 PID 5112 wrote to memory of 2732 5112 csrss.exe 112 PID 5112 wrote to memory of 2140 5112 csrss.exe 117 PID 5112 wrote to memory of 2140 5112 csrss.exe 117 PID 3744 wrote to memory of 4380 3744 windefender.exe 125 PID 3744 wrote to memory of 4380 3744 windefender.exe 125 PID 3744 wrote to memory of 4380 3744 windefender.exe 125 PID 4380 wrote to memory of 1896 4380 cmd.exe 126 PID 4380 wrote to memory of 1896 4380 cmd.exe 126 PID 4380 wrote to memory of 1896 4380 cmd.exe 126 -
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:1420 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1836
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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:4616 -
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:2628
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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:4684 -
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:4256
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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:216
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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:4376
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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:5112 -
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:3932
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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:4836
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:740
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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:2160
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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:2732
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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:2140
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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:2556
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3744 -
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:4380 -
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:1896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1996
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c1c2a6f2e255156e92f7bc5cd2b3618
SHA1016b87ffb3681ad5518641fbc4fabd4363fff056
SHA2567bc8aa9afed7ca19bb3bae99f940193048a948c406865b3b2d9ee4a43dcbf313
SHA512fde884e2c8c2617590a2ab7edde5608f900efadf950eb252aed5058cb608dae2657ae1e5c92839bbe9f7450e201c0055339e9f172df278a91f40863b1cc7191d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f50630759f96e957bef7c677e32ccaa
SHA16fab7820681c6ecb1e7884de8d71dadd0e8f0d39
SHA25646b6acf53c122bed29f4d103ff6e0f108e8b7ac755f923d188e92343065af7b8
SHA5125627709f82d25dd9401617ab747a4fb11ec0abcfe6b722246c3130510c4876cd79f1fd8b07287e1ca8bb3e2e706eb4ae258f558e593139110ce511fe577ed608
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5592a75dce0b8b447b0f3f4b9091e7ea0
SHA14f587cc3f73c5d4a89cde79e062f213e4d6bd012
SHA25650e5a5eea733b737ff3f55c816ae189ba02b9c90c67a16ed1bb9d01fb4a524e8
SHA512529daab7243ebf19743737cffd0fd1c98d65859d862797eb6699fa8c372203c60c429b050aa71d452a7381b87fd50b68b015497a9e38ea7c31e37e3ce890abd0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556db409f4882e93bf7b64cc38414f5f3
SHA154a73c4d6e3a840798b7fdeb5f22ab9839968a3d
SHA2569ec2dc2cc63f5c4a5a64f1fa50c3f82caeba35e099c10b8ee5a089c45bddf8f2
SHA5124fb4d1e3f684b1081b129e7e70d40c782f35c3a0d461d48cbfa0ea9e6bee5c8c5e12709e019677374de8a15acdf8a12c57869024ca9195de8600ae6f9b3b8694
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53da19d611d1951d2365bb1e956f0dc1e
SHA1dac1f5855717f4144afd440cbd533cafc040e1b4
SHA25661c8538832cfc881934b1c7a1a2b4e8f4dba6221cf5bdcbc34fbb67b417f17e7
SHA512111302809051c97b8e8754532c48cd94ba291712f30cc6d52632bddaa2eef7349ad09f0bdf2973e972ee69e9d6ada93499a9ca50d1ad7b83d7bb17ebeb860f96
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Filesize
4.1MB
MD53a6cc48e7de1864927854fba35372693
SHA15f7ed1e404a290f22c40adf1c9e8bb558fe8d2f4
SHA256cd412d6e6bc3e3273a1506e300890f90d3bc0b256b7be187ebe436024859ce91
SHA5124ef54d937033de417ec525f79c7cb5c329bd9e64ccfa5f7c72069296c7932bfd48e94299be9c85fad93ee35e32b4fba510f99160efc8556fba2b32dbf00d03a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec