Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
08/05/2024, 07:12
Static task
static1
Behavioral task
behavioral1
Sample
b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe
Resource
win10v2004-20240419-en
General
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Target
b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe
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Size
4.1MB
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MD5
2b685fec8a79ba35835e1af6c9d6f54b
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SHA1
6fa4a7bf512bb1ac84b1302cff741ffd208df047
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SHA256
b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38
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SHA512
77b1dae558f4bbe42bb6e615fd230f7639328065ce63090566250d79b187be4076d4224623fb35d67d1becb7b5293ab0cb331d974128ad1d5dbf69492bcad153
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SSDEEP
98304:3lFbLYeuloYXSrFl85fbfqTiqOX/j25Km/N7P0nTY9MR5STF0yFyAOmjGv:HLYjloYk05jzj25BF7PfbHEOjC
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1704-2-0x0000000003E70000-0x000000000475B000-memory.dmp family_glupteba behavioral1/memory/1704-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1704-55-0x0000000003E70000-0x000000000475B000-memory.dmp family_glupteba behavioral1/memory/1704-54-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/1704-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4824-134-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-219-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-228-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-229-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-231-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-234-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-236-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-237-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-239-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-242-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-244-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-245-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-247-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral1/memory/3888-250-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2612 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3888 csrss.exe 3328 injector.exe 3772 windefender.exe 4008 windefender.exe -
resource yara_rule behavioral1/files/0x000c000000023bb4-222.dat upx behavioral1/memory/3772-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3772-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4008-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4008-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\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 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 -
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 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe File created C:\Windows\rss\csrss.exe b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.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 3240 sc.exe -
pid Process 5020 powershell.exe 4632 powershell.exe 1016 powershell.exe 5096 powershell.exe 1912 powershell.exe 4992 powershell.exe 724 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3576 1704 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4772 schtasks.exe 2376 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.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" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.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" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.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,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.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,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.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,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.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,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4632 powershell.exe 4632 powershell.exe 1704 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 1704 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 1016 powershell.exe 1016 powershell.exe 1016 powershell.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 5096 powershell.exe 5096 powershell.exe 1912 powershell.exe 1912 powershell.exe 4992 powershell.exe 4992 powershell.exe 724 powershell.exe 724 powershell.exe 5020 powershell.exe 5020 powershell.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3888 csrss.exe 3888 csrss.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3888 csrss.exe 3888 csrss.exe 3328 injector.exe 3328 injector.exe 3888 csrss.exe 3888 csrss.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4632 powershell.exe Token: SeDebugPrivilege 1704 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Token: SeImpersonatePrivilege 1704 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 4992 powershell.exe Token: SeDebugPrivilege 724 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeSystemEnvironmentPrivilege 3888 csrss.exe Token: SeSecurityPrivilege 3240 sc.exe Token: SeSecurityPrivilege 3240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1704 wrote to memory of 4632 1704 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 87 PID 1704 wrote to memory of 4632 1704 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 87 PID 1704 wrote to memory of 4632 1704 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 87 PID 4824 wrote to memory of 1016 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 100 PID 4824 wrote to memory of 1016 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 100 PID 4824 wrote to memory of 1016 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 100 PID 4824 wrote to memory of 4280 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 102 PID 4824 wrote to memory of 4280 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 102 PID 4280 wrote to memory of 2612 4280 cmd.exe 104 PID 4280 wrote to memory of 2612 4280 cmd.exe 104 PID 4824 wrote to memory of 5096 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 105 PID 4824 wrote to memory of 5096 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 105 PID 4824 wrote to memory of 5096 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 105 PID 4824 wrote to memory of 1912 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 107 PID 4824 wrote to memory of 1912 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 107 PID 4824 wrote to memory of 1912 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 107 PID 4824 wrote to memory of 3888 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 109 PID 4824 wrote to memory of 3888 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 109 PID 4824 wrote to memory of 3888 4824 b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe 109 PID 3888 wrote to memory of 4992 3888 csrss.exe 110 PID 3888 wrote to memory of 4992 3888 csrss.exe 110 PID 3888 wrote to memory of 4992 3888 csrss.exe 110 PID 3888 wrote to memory of 724 3888 csrss.exe 116 PID 3888 wrote to memory of 724 3888 csrss.exe 116 PID 3888 wrote to memory of 724 3888 csrss.exe 116 PID 3888 wrote to memory of 5020 3888 csrss.exe 118 PID 3888 wrote to memory of 5020 3888 csrss.exe 118 PID 3888 wrote to memory of 5020 3888 csrss.exe 118 PID 3888 wrote to memory of 3328 3888 csrss.exe 120 PID 3888 wrote to memory of 3328 3888 csrss.exe 120 PID 3772 wrote to memory of 1424 3772 windefender.exe 127 PID 3772 wrote to memory of 1424 3772 windefender.exe 127 PID 3772 wrote to memory of 1424 3772 windefender.exe 127 PID 1424 wrote to memory of 3240 1424 cmd.exe 128 PID 1424 wrote to memory of 3240 1424 cmd.exe 128 PID 1424 wrote to memory of 3240 1424 cmd.exe 128 -
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\b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe"C:\Users\Admin\AppData\Local\Temp\b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4632
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C:\Users\Admin\AppData\Local\Temp\b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.exe"C:\Users\Admin\AppData\Local\Temp\b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38.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:4824 -
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:1016
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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:4280 -
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:2612
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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:5096
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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:1912
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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:3888 -
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:4992
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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:4772
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3832
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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:724
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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:5020
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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:3328
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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:2376
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3772 -
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:1424 -
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:3240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 9602⤵
- Program crash
PID:3576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1704 -ip 17041⤵PID:5108
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4008
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558b0f142697351c5a77749a48d95f9ac
SHA1ef4cc8ed4ba19f8392396d667d2f8189859943d0
SHA2566e1bdbea91cff78220273ffaf6804e19bf854e19a7f8a781ea55bff7a2603be7
SHA512516c7e5380176d17b5dcbe2bc9fd249aabef12f466cf2750f6d27b14a3bcff42670712fae44a9bdd44aa577c88a95fcd7ce71949f9fb8b239a30db3c0fda79a7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cfaf59d13a8bd2b7272cfe25fefbcf3f
SHA1bb3545ec69b154cbf563ae519d2d665582118105
SHA256b2cc118cf263349585b2bfa8fb7b92f3f2b66edc30080c260fb28d021337d824
SHA512b41d38bb5c7376f8711a1de0644d551b936e50e3cb429463dcbcb860ec2afe0db56653e7150526fbda0a50f62e47c2d281c41ffeec754b69d980a7f297210054
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5176875306058e0e0c0c7244be8e95a9f
SHA15d5fdc7962ae7c12c496834c122db6a5bbfed3c0
SHA256f72547f2ae58532c76d37826af9b11d54466d86594d8f50067ab679730c6d130
SHA51258dd46477207ce20cfb7c79d86c2b3947521b929a00ae955602b46d38e0496b13a07af6113f121a42cf6164fec98f4f61ecaa5cf67345e6ede605764fef3bd89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f94d14de793ac0ab12deb895cdc94f3
SHA12827a4a588fa524f6bd5a084cefb68fe92ecb502
SHA256316421972b98dbfc72d14a46df052012c6524d396c34349de5034b1ede80419b
SHA5121c18b4393295a7e8c40e46d69b619949ade45e51e71544199b3a4fcf1b5a7d130915e0a08415de5e38ee00ca8e7e6f50799fca12af40ce870cb2ee05337cede7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d446474e97d2439885aad4ec8bbddfc
SHA11fb7492460748227a872118159f0026d52d32cc7
SHA256c279739b4b2bc5bc4f56ba6118b39df73a6df10a1cd8ada5ec257e1bb757c67b
SHA51276aab10dd230f59e2b7ed6c333e2a956fe4f507b17bef684fbd68f100c3ca41c0be76fc7b8d366145bb1389f22b6bd7992937cd488f4e0ec86c9f18f4cc2c573
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Filesize
4.1MB
MD52b685fec8a79ba35835e1af6c9d6f54b
SHA16fa4a7bf512bb1ac84b1302cff741ffd208df047
SHA256b1be1eaff0c67170f80dce508cd9ded2dbe88f5fac64ac90f9e87731dd711e38
SHA51277b1dae558f4bbe42bb6e615fd230f7639328065ce63090566250d79b187be4076d4224623fb35d67d1becb7b5293ab0cb331d974128ad1d5dbf69492bcad153
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec