Analysis
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max time kernel
300s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
17/05/2024, 00:18
Static task
static1
Behavioral task
behavioral1
Sample
da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe
Resource
win7-20240508-en
General
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Target
da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe
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Size
4.1MB
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MD5
d0302406914692d832650ed902098ece
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SHA1
de252f27d2eb7566fc7ff9e05c2c7884042c7171
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SHA256
da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd
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SHA512
408fba0900e843598348b6101b14d4e2b61f7c4ee9b3665b3175754ca931c463e32edfdae2d4f40e35408b1dd6fd7bd97ee717ab46b250eb7df86217e752905d
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SSDEEP
98304:3sj80k8u7e4te7QNzi5j0edbbHwu+w5lmM0XQnt:3g9u7eueIzil0SbrHmM0Y
Malware Config
Signatures
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Glupteba payload 33 IoCs
resource yara_rule behavioral2/memory/2948-2-0x0000000004C80000-0x000000000556B000-memory.dmp family_glupteba behavioral2/memory/2948-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-280-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2948-302-0x0000000004C80000-0x000000000556B000-memory.dmp family_glupteba behavioral2/memory/2948-303-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-300-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2116-780-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2116-1016-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1513-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1744-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1750-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1752-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1754-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1756-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1758-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1760-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1762-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1764-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1766-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1768-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1770-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1772-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1774-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1776-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1778-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1780-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1782-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1784-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1786-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1788-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1790-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1792-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2912-1794-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1992 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2912 csrss.exe 760 injector.exe 756 windefender.exe 380 windefender.exe -
resource yara_rule behavioral2/files/0x000800000001ac05-1743.dat upx behavioral2/memory/756-1745-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/380-1748-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/756-1749-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/380-1751-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/380-1755-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (str) \REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\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\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 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 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe File created C:\Windows\rss\csrss.exe da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2228 sc.exe -
pid Process 5072 powershell.exe 2296 powershell.exe 2364 powershell.exe 904 powershell.exe 972 powershell.exe 1308 powershell.exe 1440 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 3824 schtasks.exe 752 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\1a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.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,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.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\1a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 972 powershell.exe 972 powershell.exe 972 powershell.exe 2948 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2948 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 1308 powershell.exe 1308 powershell.exe 1308 powershell.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 1440 powershell.exe 1440 powershell.exe 1440 powershell.exe 5072 powershell.exe 5072 powershell.exe 5072 powershell.exe 2296 powershell.exe 2296 powershell.exe 2296 powershell.exe 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 904 powershell.exe 904 powershell.exe 904 powershell.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 2912 csrss.exe 2912 csrss.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 2912 csrss.exe 2912 csrss.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 2912 csrss.exe 2912 csrss.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 972 powershell.exe Token: SeDebugPrivilege 2948 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Token: SeImpersonatePrivilege 2948 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe Token: SeDebugPrivilege 1308 powershell.exe Token: SeDebugPrivilege 1440 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 2296 powershell.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 904 powershell.exe Token: SeSystemEnvironmentPrivilege 2912 csrss.exe Token: SeSecurityPrivilege 2228 sc.exe Token: SeSecurityPrivilege 2228 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2948 wrote to memory of 972 2948 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 74 PID 2948 wrote to memory of 972 2948 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 74 PID 2948 wrote to memory of 972 2948 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 74 PID 2116 wrote to memory of 1308 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 79 PID 2116 wrote to memory of 1308 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 79 PID 2116 wrote to memory of 1308 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 79 PID 2116 wrote to memory of 4156 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 81 PID 2116 wrote to memory of 4156 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 81 PID 4156 wrote to memory of 1992 4156 cmd.exe 83 PID 4156 wrote to memory of 1992 4156 cmd.exe 83 PID 2116 wrote to memory of 1440 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 84 PID 2116 wrote to memory of 1440 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 84 PID 2116 wrote to memory of 1440 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 84 PID 2116 wrote to memory of 5072 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 86 PID 2116 wrote to memory of 5072 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 86 PID 2116 wrote to memory of 5072 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 86 PID 2116 wrote to memory of 2912 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 88 PID 2116 wrote to memory of 2912 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 88 PID 2116 wrote to memory of 2912 2116 da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe 88 PID 2912 wrote to memory of 2296 2912 csrss.exe 89 PID 2912 wrote to memory of 2296 2912 csrss.exe 89 PID 2912 wrote to memory of 2296 2912 csrss.exe 89 PID 2912 wrote to memory of 2364 2912 csrss.exe 95 PID 2912 wrote to memory of 2364 2912 csrss.exe 95 PID 2912 wrote to memory of 2364 2912 csrss.exe 95 PID 2912 wrote to memory of 904 2912 csrss.exe 98 PID 2912 wrote to memory of 904 2912 csrss.exe 98 PID 2912 wrote to memory of 904 2912 csrss.exe 98 PID 2912 wrote to memory of 760 2912 csrss.exe 100 PID 2912 wrote to memory of 760 2912 csrss.exe 100 PID 756 wrote to memory of 4224 756 windefender.exe 107 PID 756 wrote to memory of 4224 756 windefender.exe 107 PID 756 wrote to memory of 4224 756 windefender.exe 107 PID 4224 wrote to memory of 2228 4224 cmd.exe 108 PID 4224 wrote to memory of 2228 4224 cmd.exe 108 PID 4224 wrote to memory of 2228 4224 cmd.exe 108 -
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\da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe"C:\Users\Admin\AppData\Local\Temp\da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:972
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C:\Users\Admin\AppData\Local\Temp\da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe"C:\Users\Admin\AppData\Local\Temp\da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2116 -
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:1308
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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:4156 -
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
- Modifies data under HKEY_USERS
PID:1992
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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:1440
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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:5072
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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:2912 -
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:2296
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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:3824
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1448
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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:2364
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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:904
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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:760
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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:752
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:756 -
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:4224 -
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:2228
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:380
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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5cf3c9b795455e0a576919eddcd8a32de
SHA10ff77afde3be035d1318086f2d336baf14d2ac74
SHA256f92f196e83808d5f202d4461754ada44537ab200504222bde0667e1e742f032a
SHA512376d21e161e970269b95f0e390666d7b2035d8bcf49e1d90bd274459d8934644d831eeff21a799323d5926fe04e8b0e595bf5b89f53bc633ecdef38092ce54b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5a60c419fe854f18e93f10d5f410748c2
SHA12cd8488f8d0b085735ce773369d3a0c15840f61c
SHA2564a0f0745f02198ec1eb80dd9dc148dcaa86507aa88561f3e58951a4b201a731c
SHA512d719fedd311f3473499cf4ffb16490d91dde61a058c77786d46682810676e0cc3f697014be03e0fe1785de33102e5c87d5f0ae1af569870c30f77176f4683345
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5770e24cdb2656e66399498937aa47ac2
SHA1509714e86b723a2f2642e098ac41fe8b86d45b5e
SHA256e889b77b0212aec8455b3bc2ba9bb50c49781b318e2719e84e491dabafcd28e5
SHA51205c2ceb6c469ef60ff98f00347b34673ed0c93bc5b3b1c0202dd119710875d7b1b023545d626ca04ffe64981ff855ca210b0cc7f1fb47a3136b826490e8c29a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d73eaf53adacaa159b1afb70f7a9e7cb
SHA1ec8287e8431aee8c5eaa55d0d8efbc71a73c91c1
SHA256fa9939fbcecb43ca8583e8d2e8c61164349b7163a5f090d7950f918fcb26f1da
SHA51230484b6ed788a5a5ceaac3a06a5b5635ecb6e5473e6eb4d6f8b95176b5e7c5c5846c7f5bc6865ea6168de414f5705ef5dca9fe73cb830e35bf5fb6619e19a720
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ea931f62a2ca3c7089cb9a927953b4b8
SHA153a7f5e2d1d61fd90e6da671ca97645915cb61c9
SHA2561e8d9faa5cc4eac395f74593248743ce7d1b796ec312e7b29e30c1d87f79cded
SHA512252ca92a02dbb8d6267d4ffd3c5dc254f84a655838d702ed82b42d119000f1e18dc168b9cdd9d7beb661bf532cfd9ebf55ad3ce22bf0f27050e98dfd734cdbf4
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Filesize
4.1MB
MD5d0302406914692d832650ed902098ece
SHA1de252f27d2eb7566fc7ff9e05c2c7884042c7171
SHA256da576a0c45038fcd66e8e1f9ed50e9edc0d26eb3868decf4e9bbdbd44bca19cd
SHA512408fba0900e843598348b6101b14d4e2b61f7c4ee9b3665b3175754ca931c463e32edfdae2d4f40e35408b1dd6fd7bd97ee717ab46b250eb7df86217e752905d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec