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Analysis
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max time kernel
300s -
max time network
287s -
platform
windows10-1703_x64 -
resource
win10-20240214-en -
resource tags
arch:x64arch:x86image:win10-20240214-enlocale:en-usos:windows10-1703-x64system -
submitted
19/02/2024, 04:48
Static task
static1
Behavioral task
behavioral1
Sample
6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe
Resource
win7-20231215-en
General
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Target
6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe
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Size
4.1MB
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MD5
122a3c17c74990fddba171cf94ad8ab5
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SHA1
f10a7edd419f4e4bea7b689027cb4db07a1b9553
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SHA256
6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b
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SHA512
81eee32bd51b4a10a0ec8c29672ba81b57f9cd0904f516539360d389c501208a47573ce272c5ff4cdefe089dca3ae231712a137772a7fe5927156747c80239f6
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SSDEEP
98304:qIIjxDdO93PfdJ8GxRJ07SrQMYyLLqEiqvGnwsIkXuhuNq3R:8jxcPlJ8GJ0mrLYy/NvcfXua6R
Malware Config
Signatures
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Glupteba payload 37 IoCs
resource yara_rule behavioral2/memory/4644-2-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral2/memory/4644-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4644-155-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4644-158-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral2/memory/4644-303-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4496-306-0x0000000002DF0000-0x00000000036DB000-memory.dmp family_glupteba behavioral2/memory/4496-307-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4496-556-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4496-790-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4496-835-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4496-1053-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1057-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1332-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1805-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1814-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1815-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1817-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1819-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1821-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1823-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1826-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1828-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1829-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1831-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1833-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1835-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1838-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1839-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1841-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1843-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1846-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1848-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1849-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1851-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1853-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1856-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4200-1857-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5096 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4200 csrss.exe 3540 injector.exe 792 windefender.exe 1928 windefender.exe -
resource yara_rule behavioral2/files/0x000700000001abde-1808.dat upx behavioral2/memory/792-1813-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1928-1816-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1928-1820-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe = "0" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3721099760-3917598953-789468489-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3721099760-3917598953-789468489-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 196 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 4792 schtasks.exe 4264 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\1a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.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\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4656 powershell.exe 4656 powershell.exe 4656 powershell.exe 4644 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4644 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 3808 powershell.exe 3808 powershell.exe 3808 powershell.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 4316 powershell.exe 4316 powershell.exe 4316 powershell.exe 2300 powershell.exe 2300 powershell.exe 2300 powershell.exe 4368 powershell.exe 4368 powershell.exe 4368 powershell.exe 548 powershell.exe 548 powershell.exe 548 powershell.exe 2992 powershell.exe 2992 powershell.exe 2992 powershell.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 4200 csrss.exe 4200 csrss.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 4200 csrss.exe 4200 csrss.exe 4200 csrss.exe 4200 csrss.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe 3540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 4644 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Token: SeImpersonatePrivilege 4644 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe Token: SeDebugPrivilege 3808 powershell.exe Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 2300 powershell.exe Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 548 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeSystemEnvironmentPrivilege 4200 csrss.exe Token: SeSecurityPrivilege 196 sc.exe Token: SeSecurityPrivilege 196 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4644 wrote to memory of 4656 4644 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 73 PID 4644 wrote to memory of 4656 4644 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 73 PID 4644 wrote to memory of 4656 4644 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 73 PID 4496 wrote to memory of 3808 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 78 PID 4496 wrote to memory of 3808 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 78 PID 4496 wrote to memory of 3808 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 78 PID 4496 wrote to memory of 4356 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 80 PID 4496 wrote to memory of 4356 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 80 PID 4356 wrote to memory of 5096 4356 cmd.exe 82 PID 4356 wrote to memory of 5096 4356 cmd.exe 82 PID 4496 wrote to memory of 4316 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 83 PID 4496 wrote to memory of 4316 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 83 PID 4496 wrote to memory of 4316 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 83 PID 4496 wrote to memory of 2300 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 85 PID 4496 wrote to memory of 2300 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 85 PID 4496 wrote to memory of 2300 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 85 PID 4496 wrote to memory of 4200 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 87 PID 4496 wrote to memory of 4200 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 87 PID 4496 wrote to memory of 4200 4496 6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe 87 PID 4200 wrote to memory of 4368 4200 csrss.exe 88 PID 4200 wrote to memory of 4368 4200 csrss.exe 88 PID 4200 wrote to memory of 4368 4200 csrss.exe 88 PID 4200 wrote to memory of 548 4200 csrss.exe 95 PID 4200 wrote to memory of 548 4200 csrss.exe 95 PID 4200 wrote to memory of 548 4200 csrss.exe 95 PID 4200 wrote to memory of 2992 4200 csrss.exe 97 PID 4200 wrote to memory of 2992 4200 csrss.exe 97 PID 4200 wrote to memory of 2992 4200 csrss.exe 97 PID 4200 wrote to memory of 3540 4200 csrss.exe 99 PID 4200 wrote to memory of 3540 4200 csrss.exe 99 PID 792 wrote to memory of 4912 792 windefender.exe 106 PID 792 wrote to memory of 4912 792 windefender.exe 106 PID 792 wrote to memory of 4912 792 windefender.exe 106 PID 4912 wrote to memory of 196 4912 cmd.exe 107 PID 4912 wrote to memory of 196 4912 cmd.exe 107 PID 4912 wrote to memory of 196 4912 cmd.exe 107 -
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\6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe"C:\Users\Admin\AppData\Local\Temp\6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4656
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C:\Users\Admin\AppData\Local\Temp\6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.exe"C:\Users\Admin\AppData\Local\Temp\6dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b.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:4496 -
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:3808
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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:4356 -
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:5096
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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:4316
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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:2300
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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:4200 -
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:4368
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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:4264
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4572
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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:548
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2992
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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:3540
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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:4792
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:792 -
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:4912 -
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:196
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1928
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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5c6ddf5adf1619e07ac647ea503edbe79
SHA1dede2e81ad4a180a0d54042cdbd87fff3c5c3626
SHA2563e6785a8191c0753c43f4fa491e246e77ee8e774309dc71d9eb46967f091dea1
SHA512c793d3c112fc7cbd99a55e5787b3f5f8f24db55a4815b58da61f3bf31b6653d487d8cf3cf33c946afdf5d1982363e623a89cf63ff83f8da679049a0c5c3225f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5673ec4de131347ec696594d5e4c20d94
SHA11d30357102583e85b5d48b9e5896e773ff0ad980
SHA2561d99263a3ef6de741a8891aab7968dc686394b716634206c58e896a4157ae0cb
SHA512514c17a8df29f08b7e5a8b68522f514e73473e40a7ac9e90fe07ea6c8741d77f9bb5e16905218c4994eb742bbb4f6cb955c55f23d0a6d4d2698840095f4b1cd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5869c6dc0e6012447e297af8653b1c633
SHA1f90b5f6d55473b8737adcb55ec2b5195bc6eb23a
SHA2567b1951a996a1fe332a40004127247d24cf0a43995c7465a778313dfa46c9892d
SHA512dce7fb351be90aec3e1cb70f67cff9d4e261522f4bb3d7d66f0d80f8944de4173fcc558b56f4e82a2b1016d38215c3e5b47acbd82aaed17b42674d1cc39041e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b2fac4c1c2bac871efb755ff32239278
SHA17b0699c4ed6294a2932cc114d90475b79b002bd7
SHA25683a36201ebde1161cf6d8569c6e05f11c15a850e00b699b402da4c09506177e8
SHA51282638b5492eab599135b8aabb79f9343fe20477a19d60d4cae5b822b5497cf51952b60653645d8c7fda8021cb29b8ecb093c38404e9a3e1924f3eda40000194a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD56363392f24322d269a25c9f43922dce0
SHA1e19d1e2267a8945ba5aae2692cfe2bfd0b43e300
SHA256b2df07967cee93da72f5e684f3cfff2ff0029a8b0d94815262d9cafa53cec33e
SHA512eea8e1fed2400ff1d46f33696bcf4c917935d488c7e4a59c4fb195376dad3422c462082210cf34ad5b92d811541df39604ca71c1cecc092f7801745dcf080dcf
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Filesize
4.1MB
MD5122a3c17c74990fddba171cf94ad8ab5
SHA1f10a7edd419f4e4bea7b689027cb4db07a1b9553
SHA2566dcf05e23735148c65ce53ab6b3aa8c36da260ceacbc22eb2e56e32cdb13c68b
SHA51281eee32bd51b4a10a0ec8c29672ba81b57f9cd0904f516539360d389c501208a47573ce272c5ff4cdefe089dca3ae231712a137772a7fe5927156747c80239f6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec