Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20/05/2024, 04:05
Static task
static1
Behavioral task
behavioral1
Sample
a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe
Resource
win10v2004-20240508-en
General
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Target
a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe
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Size
4.1MB
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MD5
d403f8eff38838f43c213b2cea58dec0
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SHA1
c3812e01fecbcf9d7b941afabcdbedee30a94590
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SHA256
a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456
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SHA512
9ab4164b3c7ddd2892d19ccb9dcb58d8656f2272823dea42d162fb3e0a5acced7173bf71c5b773878ebbfdea3fb0ced4687e457f98f1721193ff8fbfb3c5438c
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SSDEEP
98304:GQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9nT:GQAQcDPYxuCJe7X5ghfT
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/808-2-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral1/memory/808-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/808-81-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/808-104-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral1/memory/3464-132-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/808-184-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3164-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-255-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3164-258-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4736 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3164 csrss.exe 1568 injector.exe 2052 windefender.exe 2456 windefender.exe -
resource yara_rule behavioral1/memory/2052-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0007000000023443-219.dat upx behavioral1/memory/2052-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2456-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2456-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 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 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 -
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 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe File created C:\Windows\rss\csrss.exe a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4956 sc.exe -
pid Process 4632 powershell.exe 4636 powershell.exe 2568 powershell.exe 5044 powershell.exe 4304 powershell.exe 4260 powershell.exe 1592 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 3312 schtasks.exe 1324 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-842 = "Argentina Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\@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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2568 powershell.exe 2568 powershell.exe 808 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 808 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 5044 powershell.exe 5044 powershell.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 4304 powershell.exe 4304 powershell.exe 4304 powershell.exe 4260 powershell.exe 4260 powershell.exe 1592 powershell.exe 1592 powershell.exe 4632 powershell.exe 4632 powershell.exe 4636 powershell.exe 4636 powershell.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 3164 csrss.exe 3164 csrss.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 3164 csrss.exe 3164 csrss.exe 1568 injector.exe 1568 injector.exe 3164 csrss.exe 3164 csrss.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2568 powershell.exe Token: SeDebugPrivilege 808 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Token: SeImpersonatePrivilege 808 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 4632 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeSystemEnvironmentPrivilege 3164 csrss.exe Token: SeSecurityPrivilege 4956 sc.exe Token: SeSecurityPrivilege 4956 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 808 wrote to memory of 2568 808 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 86 PID 808 wrote to memory of 2568 808 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 86 PID 808 wrote to memory of 2568 808 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 86 PID 3464 wrote to memory of 5044 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 95 PID 3464 wrote to memory of 5044 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 95 PID 3464 wrote to memory of 5044 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 95 PID 3464 wrote to memory of 3896 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 98 PID 3464 wrote to memory of 3896 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 98 PID 3896 wrote to memory of 4736 3896 cmd.exe 100 PID 3896 wrote to memory of 4736 3896 cmd.exe 100 PID 3464 wrote to memory of 4304 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 102 PID 3464 wrote to memory of 4304 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 102 PID 3464 wrote to memory of 4304 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 102 PID 3464 wrote to memory of 4260 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 104 PID 3464 wrote to memory of 4260 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 104 PID 3464 wrote to memory of 4260 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 104 PID 3464 wrote to memory of 3164 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 106 PID 3464 wrote to memory of 3164 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 106 PID 3464 wrote to memory of 3164 3464 a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe 106 PID 3164 wrote to memory of 1592 3164 csrss.exe 107 PID 3164 wrote to memory of 1592 3164 csrss.exe 107 PID 3164 wrote to memory of 1592 3164 csrss.exe 107 PID 3164 wrote to memory of 4632 3164 csrss.exe 113 PID 3164 wrote to memory of 4632 3164 csrss.exe 113 PID 3164 wrote to memory of 4632 3164 csrss.exe 113 PID 3164 wrote to memory of 4636 3164 csrss.exe 115 PID 3164 wrote to memory of 4636 3164 csrss.exe 115 PID 3164 wrote to memory of 4636 3164 csrss.exe 115 PID 3164 wrote to memory of 1568 3164 csrss.exe 117 PID 3164 wrote to memory of 1568 3164 csrss.exe 117 PID 2052 wrote to memory of 876 2052 windefender.exe 124 PID 2052 wrote to memory of 876 2052 windefender.exe 124 PID 2052 wrote to memory of 876 2052 windefender.exe 124 PID 876 wrote to memory of 4956 876 cmd.exe 125 PID 876 wrote to memory of 4956 876 cmd.exe 125 PID 876 wrote to memory of 4956 876 cmd.exe 125 -
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\a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe"C:\Users\Admin\AppData\Local\Temp\a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2568
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C:\Users\Admin\AppData\Local\Temp\a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.exe"C:\Users\Admin\AppData\Local\Temp\a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456.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:3464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5044
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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:3896 -
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:4736
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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:4304
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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:4260
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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:3164 -
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:1592
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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:3312
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2188
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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:4632
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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:4636
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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:1568
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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:1324
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2052 -
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:876 -
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:4956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2456
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
MD52b91ab97c7c8ded7fd6d1d84346c222e
SHA19cee424fb9e9e3b918185ee578550988ec546953
SHA256196143452395ef3237d37ed5ce450de715f535a48a37f851a3590268857e52f7
SHA51298a934f2250ca822f674f89f23f1f5d7ba976a224c03f2badc0aa3f5466af18c96efeac79d610a88f71d56f6f1dc7fe15ca596f7de1a0a5ad50c639087ea0c66
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD582da9e86da70f19ead0a92a87f7b193e
SHA16c69b379e06f03ade974595fafee3eb2c3190300
SHA2561b2ad9ba83c5b43796e3d20e1317cb94db5fc77ef860e3efcebefd1f24a569b7
SHA5126c688c860db39dba4ad8b4da71927c0d587af70000a7da3fd4359110385f425d12249c9c89f10879bb297da03d49a9d43e7f0963361d88ac6df495e1c9bded02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51980f9f27adf057e0f1459fc92f99212
SHA1e4d8ff4f13e43cc23cec2f2532c87ab750ed4af6
SHA2561bcac8fbff7de57ae8d3e38df27cd1bae3917a63803ab1fd7178aa9caabdc5e3
SHA51275cfce7cc9a583085fd3ee7a6f9cb28ed6607873f7cf470c8063f6cfc1d8213938e64cf42143e76dab1ff5b48f343ee13f622e36d4d412a4e68a3227833af2d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa8bc2feb1c78a0f6acf7b3d8826f9e8
SHA1aa9ea095ac09d5e209beb76248546bf43b381fa2
SHA25688da3c3db823b418b7d211d2b6b88b38a205019bf2d463639bd494e18550096f
SHA5124acad360814b02f8eb3ae0586e26c82bbfe63a26f4d89a88893f10091bcf8c5e6332ca22561a42f8d0cabe065772eb85c0cefd900dd85cc884a02e9be5cc0c4e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583d5face8b03abf38b019ec62298d5f6
SHA1915dd354aa78fb3145b1552a40cc3b1fe26ae0f6
SHA25645d27c4ee41fc8bf2fc6aeca8f50390da067544d0f0e2824b7c47b1c044f6221
SHA51263d148aed48cdae0291e1bf28c8d109522a68ef8e146b6fc95c3c230099835343a526472387db66f3ab30c8963657ae1f71d4ddf6ab6500fd80d097b36abb0b9
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Filesize
4.1MB
MD5d403f8eff38838f43c213b2cea58dec0
SHA1c3812e01fecbcf9d7b941afabcdbedee30a94590
SHA256a0b936c61742c3a4bca2fab6978c6f59ea7b831854161dd7f56a5f2958c43456
SHA5129ab4164b3c7ddd2892d19ccb9dcb58d8656f2272823dea42d162fb3e0a5acced7173bf71c5b773878ebbfdea3fb0ced4687e457f98f1721193ff8fbfb3c5438c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec