Analysis
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max time kernel
151s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
23/10/2023, 15:30
Static task
static1
General
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Target
ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe
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Size
4.1MB
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MD5
520b8954b99474ac0536caf4695ab729
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SHA1
345403bc1ca15d472cb0737ba50ae61ce507e7a1
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SHA256
ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6
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SHA512
bf02a38c828616472fb2787e4c5b63ddd64e48bb28227d1f373312261d4939bea0a9b05ec83c059560ddf806bf8138649fb543df94ca909f58084ab6533da91c
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SSDEEP
98304:JIDb6APb3B3cjXDb4LpcUyA3svMcEM6YAMQ38aP+:WDb6ADBuTWAwEXttjQ3N+
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1612-2-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/1612-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1612-22-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1612-26-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/1612-51-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1612-58-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4252-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4252-89-0x00000000028A0000-0x0000000002CA0000-memory.dmp family_glupteba behavioral1/memory/4252-91-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4252-126-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4252-175-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-221-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-260-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-274-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-287-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-301-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-315-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-329-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-343-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4060-357-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3672 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 4060 csrss.exe -
resource yara_rule behavioral1/memory/3944-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2600-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2600-314-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2600-356-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\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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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 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 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 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe File created C:\Windows\rss\csrss.exe ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1368 sc.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 4464 schtasks.exe 232 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.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\1a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3044 powershell.exe 3044 powershell.exe 1612 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 1612 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4572 powershell.exe 4572 powershell.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 4432 powershell.exe 4432 powershell.exe 3376 powershell.exe 3376 powershell.exe 468 powershell.exe 468 powershell.exe 4208 powershell.exe 4208 powershell.exe 4752 powershell.exe 4752 powershell.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe 2780 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 1612 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Token: SeImpersonatePrivilege 1612 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeDebugPrivilege 3376 powershell.exe Token: SeDebugPrivilege 468 powershell.exe Token: SeDebugPrivilege 4208 powershell.exe Token: SeDebugPrivilege 4752 powershell.exe Token: SeSecurityPrivilege 1368 sc.exe Token: SeSecurityPrivilege 1368 sc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1612 wrote to memory of 3044 1612 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 85 PID 1612 wrote to memory of 3044 1612 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 85 PID 1612 wrote to memory of 3044 1612 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 85 PID 4252 wrote to memory of 4572 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 90 PID 4252 wrote to memory of 4572 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 90 PID 4252 wrote to memory of 4572 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 90 PID 4252 wrote to memory of 412 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 92 PID 4252 wrote to memory of 412 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 92 PID 412 wrote to memory of 3672 412 cmd.exe 94 PID 412 wrote to memory of 3672 412 cmd.exe 94 PID 4252 wrote to memory of 4432 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 95 PID 4252 wrote to memory of 4432 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 95 PID 4252 wrote to memory of 4432 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 95 PID 4252 wrote to memory of 3376 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 97 PID 4252 wrote to memory of 3376 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 97 PID 4252 wrote to memory of 3376 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 97 PID 4252 wrote to memory of 4060 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 99 PID 4252 wrote to memory of 4060 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 99 PID 4252 wrote to memory of 4060 4252 ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe 99 PID 3944 wrote to memory of 3592 3944 windefender.exe 116 PID 3944 wrote to memory of 3592 3944 windefender.exe 116 PID 3944 wrote to memory of 3592 3944 windefender.exe 116 PID 3592 wrote to memory of 1368 3592 cmd.exe 117 PID 3592 wrote to memory of 1368 3592 cmd.exe 117 PID 3592 wrote to memory of 1368 3592 cmd.exe 117 -
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\ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe"C:\Users\Admin\AppData\Local\Temp\ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3044
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C:\Users\Admin\AppData\Local\Temp\ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.exe"C:\Users\Admin\AppData\Local\Temp\ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6.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:4252 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4572
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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:412 -
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:3672
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3376
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4060 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:468
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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:4464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3104
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4208
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4752
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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⤵
- Suspicious behavior: EnumeratesProcesses
PID:2780
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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:232
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
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:3592 -
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:1368
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Modifies data under HKEY_USERS
PID:2600
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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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
MD5e43fb4b5e9f4e1465cabe05344a00e95
SHA13c502fd31d9d5d73426e097ce1ada5b52887fa8e
SHA2569c5b22aa515d61d7b7f11a038e2fc5e864d4565d32f4dfb954942602298bc915
SHA51236d86181b8326dadc79c7c0001ec8b8e59cfd6fb508c96178de5147403cb8ac1d5fdab0f097394b17ae84b477c35676d9af4feb953e91a10454e02afe36ed7d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b18d083705b6173b8bd89a87a08365f
SHA19abe030943d61f720e4c4302dbf78e7911f806fa
SHA256048273c6908a37e1d123465c1292ea90e041e4cbc1016bed8caf14fda9d4b2d1
SHA512e31f970ba2728e0c7e8e081773ef5b89ec7b198c8d53f20bc0a8fb9aa21edf58a652d3c92cf51f779ee257d88dd570bc65f7f71f618baaa3917ef4aeb7e9829e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD529fff8d27cf26647304d6ff4511d577b
SHA11dcbcdbdb0f5b3c42f23f21d3aa10bff33d88d60
SHA256c8a916fcc981579daf936de26c65c01c559fa3417c938b4416c339f6b6b7e243
SHA51219246ae990dd41eb8d2a5b151fddb44be9fbfe0a0d68d5348fca89242dc130e5187a62fbcf0628d2eb20f34e0fdddc7a011949afa9c5608808cd8d0b30300211
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a3700ea9a0c20621dbd7871bdee77e7
SHA185a98806bbc3977dcb3642f2850092ae55ad6989
SHA25601f4080175368c4d5750fd86991983dc030cbf4ffcd8cfa5294105ed2bb6a55c
SHA51299c66c519a39311183012a4104cd48eaaefb2d9f0a7b17ad1dfeed4a98645c47d1af712e43ec9faac612b34a739af802fbbf9c9ac2c78c8b7ee9750fc16f6b9b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5067bf8074d45464f81143537e62d1b65
SHA1c6ba0c13f71bf4095bcc3b8b3bb86e1b0d7f5b5c
SHA25611dfefae8a83188cce86421dd42662fc384d84ae5cec38a7a7f655aacb2b787e
SHA5120f36a34ce644bd477da470867b6266ee925f3c143265e147543b50dc44a1c68e446ef42c22fc3af829048e881d9451a51f9f5879c25afe51373d39bd7dd22742
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Filesize
4.1MB
MD5520b8954b99474ac0536caf4695ab729
SHA1345403bc1ca15d472cb0737ba50ae61ce507e7a1
SHA256ac414b7faa88e1ebc9981ba258338bbd8a55511352bb6a12af406066afe318a6
SHA512bf02a38c828616472fb2787e4c5b63ddd64e48bb28227d1f373312261d4939bea0a9b05ec83c059560ddf806bf8138649fb543df94ca909f58084ab6533da91c