Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:06
Static task
static1
Behavioral task
behavioral1
Sample
3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe
Resource
win10v2004-20240508-en
General
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Target
3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe
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Size
4.1MB
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MD5
ee3bec4db8bdc5f23eec403f8a87fa34
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SHA1
891f2125bb008fb882dfcc968173bcbabd23fa83
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SHA256
3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8
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SHA512
4236a3c82e390690a7ca4457fcfc08016b091662c806c16230e8fc1b8f9696f1fe908b843691bc7d1e99c52578a740613fd3d1cb2cad44510a5cb1ff28799817
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SSDEEP
98304:3hzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEv5:Rz9CiccJ0CpfGcGG1DfL/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1552-2-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral1/memory/1552-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1552-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1552-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1552-58-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral1/memory/1552-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1900-81-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1900-138-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-161-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-254-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-258-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4492-262-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4492 csrss.exe 884 injector.exe 3828 windefender.exe 1324 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023432-224.dat upx behavioral1/memory/3828-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3828-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1324-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1324-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1324-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3532 sc.exe -
pid Process 912 powershell.exe 4824 powershell.exe 3020 powershell.exe 4348 powershell.exe 780 powershell.exe 2056 powershell.exe 4932 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 1720 schtasks.exe 3092 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-661 = "Cen. Australia Daylight Time" windefender.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\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.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" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.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,-392 = "Arab Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.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\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.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,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4348 powershell.exe 4348 powershell.exe 1552 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1552 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 780 powershell.exe 780 powershell.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 2056 powershell.exe 2056 powershell.exe 4932 powershell.exe 4932 powershell.exe 912 powershell.exe 912 powershell.exe 4824 powershell.exe 4824 powershell.exe 3020 powershell.exe 3020 powershell.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 4492 csrss.exe 4492 csrss.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 4492 csrss.exe 4492 csrss.exe 884 injector.exe 884 injector.exe 4492 csrss.exe 4492 csrss.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe 884 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 1552 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Token: SeImpersonatePrivilege 1552 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 4932 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 3020 powershell.exe Token: SeSystemEnvironmentPrivilege 4492 csrss.exe Token: SeSecurityPrivilege 3532 sc.exe Token: SeSecurityPrivilege 3532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1552 wrote to memory of 4348 1552 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 94 PID 1552 wrote to memory of 4348 1552 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 94 PID 1552 wrote to memory of 4348 1552 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 94 PID 1900 wrote to memory of 780 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 100 PID 1900 wrote to memory of 780 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 100 PID 1900 wrote to memory of 780 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 100 PID 1900 wrote to memory of 1940 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 103 PID 1900 wrote to memory of 1940 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 103 PID 1940 wrote to memory of 1084 1940 cmd.exe 105 PID 1940 wrote to memory of 1084 1940 cmd.exe 105 PID 1900 wrote to memory of 2056 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 106 PID 1900 wrote to memory of 2056 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 106 PID 1900 wrote to memory of 2056 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 106 PID 1900 wrote to memory of 4932 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 108 PID 1900 wrote to memory of 4932 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 108 PID 1900 wrote to memory of 4932 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 108 PID 1900 wrote to memory of 4492 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 111 PID 1900 wrote to memory of 4492 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 111 PID 1900 wrote to memory of 4492 1900 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 111 PID 4492 wrote to memory of 912 4492 csrss.exe 112 PID 4492 wrote to memory of 912 4492 csrss.exe 112 PID 4492 wrote to memory of 912 4492 csrss.exe 112 PID 4492 wrote to memory of 4824 4492 csrss.exe 118 PID 4492 wrote to memory of 4824 4492 csrss.exe 118 PID 4492 wrote to memory of 4824 4492 csrss.exe 118 PID 4492 wrote to memory of 3020 4492 csrss.exe 120 PID 4492 wrote to memory of 3020 4492 csrss.exe 120 PID 4492 wrote to memory of 3020 4492 csrss.exe 120 PID 4492 wrote to memory of 884 4492 csrss.exe 122 PID 4492 wrote to memory of 884 4492 csrss.exe 122 PID 3828 wrote to memory of 1804 3828 windefender.exe 128 PID 3828 wrote to memory of 1804 3828 windefender.exe 128 PID 3828 wrote to memory of 1804 3828 windefender.exe 128 PID 1804 wrote to memory of 3532 1804 cmd.exe 129 PID 1804 wrote to memory of 3532 1804 cmd.exe 129 PID 1804 wrote to memory of 3532 1804 cmd.exe 129 -
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\3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe"C:\Users\Admin\AppData\Local\Temp\3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4348
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C:\Users\Admin\AppData\Local\Temp\3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe"C:\Users\Admin\AppData\Local\Temp\3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.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:1900 -
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:780
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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:1940 -
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:1084
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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:2056
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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:4932
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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:4492 -
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:912
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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:1720
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2172
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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:4824
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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:3020
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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:884
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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:3092
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3828 -
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:1804 -
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:3532
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1324
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
MD5f9be0f103256b2108a7c663b239873df
SHA12ef149ee86e68fb737284063415f165326f9678d
SHA2561582f62aac5a5b3d853f93c8d26564549de197aab393dcca1cf895e3a850ad77
SHA5129cc6961befd7fcddb2392867b31e89d65243bf081c383807ff9d07d0f519e00b4d9ea805975a73e8ee6b48a25cbbadda079ec6095e43067248c2bd2726aeba85
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56450f07a97be437bbbb7154638f75264
SHA197c399845de1ef21696832dbc59fc9e599b314bc
SHA256de3b6f083506ab1ee52bae6d1a63bec76e741115f413190987f9a1e92ff809db
SHA512b91dde7e9e0f8ff45d1e402d6e9ca22677512b34276f9d55ca7c93fd1c6b9e2feb651c814d939c9acbf8b95f94566c074cc43533f1c3a63028b4c6ca56d46572
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54942a2a8607740c3b2ef7c2c06301049
SHA1b64b09fe0c4e87434cc6711f8062101bc7a3c20a
SHA2562da4211f138aab0fe9b61fe8ad4cc71f706daa6ade716e862e8ab99201e4ab4a
SHA512cc4adba94118a66cb90f65aa8eeb207fcb0aa7b7728e76880716f139342ee66e5e34dea190ff69e4b1ad46aa8e9e403bda5b74949cab4721325dd07308d43daa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be77699abd85961513f00420afa0fc2f
SHA1dd467813ec26679833028ea85cde358035f608d5
SHA256b483007e9fa297b7041bec5983f71b2963e5fc14b51421a80df98c03e4aa108c
SHA51204e7d3c8663a81ae8e663e9da440827a73ec57b41360bb37de3b3b7ff0bb94c99ad31a71f30febaa3266847beca44c08287c200fd84e477cb9d5a44c8e77d2db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51447e4f59b1f87aee1236346cf78c95d
SHA1464a87710aa88f5ff05dbaf231ea23c30076625c
SHA256097c2efa082282d26331700ae58132522158d09058ae233c5657da2de9b64147
SHA512aae77e9a9dac99bc604966131039abaf99a7106761efa53e72bfe45dacd240786b481cd01aa05965da7939ef50b3ad3222e94380ac790e364752147825bcb271
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Filesize
4.1MB
MD5ee3bec4db8bdc5f23eec403f8a87fa34
SHA1891f2125bb008fb882dfcc968173bcbabd23fa83
SHA2563e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8
SHA5124236a3c82e390690a7ca4457fcfc08016b091662c806c16230e8fc1b8f9696f1fe908b843691bc7d1e99c52578a740613fd3d1cb2cad44510a5cb1ff28799817
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec