Analysis
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max time kernel
300s -
max time network
299s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
16/05/2024, 23:25
Static task
static1
Behavioral task
behavioral1
Sample
72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe
Resource
win7-20240215-en
General
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Target
72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe
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Size
4.1MB
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MD5
9fffb87f1af54a27370f5313e12ec33c
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SHA1
5d8ef239ed414317f4ca90d1e648f24e088160b8
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SHA256
72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43
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SHA512
60a7c2984e2e56366e2a584c71b6c8622a1053596f3c93c2aec7e5201ec56017241b76c6eb88312778e9f3b0b6a8cf9dc559aa2114cb480cc6ab90b8639fcdfb
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SSDEEP
98304:EOx+yLAsWcX5ANOp80aGDbz4ZHRnWgYq13pS/Dvn0Yngv:kE1pj8JRnW2pojn0Ygv
Malware Config
Signatures
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Glupteba payload 33 IoCs
resource yara_rule behavioral2/memory/2216-2-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral2/memory/2216-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2216-69-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/2216-302-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2216-301-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral2/memory/2216-300-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/1320-539-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/1320-1026-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1285-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1745-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1746-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1747-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1748-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1749-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1750-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1751-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1752-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1753-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1754-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1755-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1756-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1757-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1758-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1759-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1760-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1761-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1762-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1763-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1764-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1765-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1766-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1767-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4848-1768-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3384 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4848 csrss.exe 1020 injector.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.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\"" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.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 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe File created C:\Windows\rss\csrss.exe 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe -
pid Process 4520 powershell.exe 4548 powershell.exe 4152 powershell.exe 1936 powershell.exe 4904 powershell.exe 32 powershell.exe 1128 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 4232 schtasks.exe 1156 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.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\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.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\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\IntranetName = "1" 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4520 powershell.exe 4520 powershell.exe 4520 powershell.exe 2216 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 2216 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 4548 powershell.exe 4548 powershell.exe 4548 powershell.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 4152 powershell.exe 4152 powershell.exe 4152 powershell.exe 1936 powershell.exe 1936 powershell.exe 1936 powershell.exe 4904 powershell.exe 4904 powershell.exe 4904 powershell.exe 32 powershell.exe 32 powershell.exe 32 powershell.exe 1128 powershell.exe 1128 powershell.exe 1128 powershell.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 4848 csrss.exe 4848 csrss.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 4848 csrss.exe 4848 csrss.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4520 powershell.exe Token: SeDebugPrivilege 2216 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Token: SeImpersonatePrivilege 2216 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 32 powershell.exe Token: SeDebugPrivilege 1128 powershell.exe Token: SeSystemEnvironmentPrivilege 4848 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2216 wrote to memory of 4520 2216 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 75 PID 2216 wrote to memory of 4520 2216 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 75 PID 2216 wrote to memory of 4520 2216 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 75 PID 1320 wrote to memory of 4548 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 80 PID 1320 wrote to memory of 4548 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 80 PID 1320 wrote to memory of 4548 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 80 PID 1320 wrote to memory of 196 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 82 PID 1320 wrote to memory of 196 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 82 PID 196 wrote to memory of 3384 196 cmd.exe 84 PID 196 wrote to memory of 3384 196 cmd.exe 84 PID 1320 wrote to memory of 4152 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 85 PID 1320 wrote to memory of 4152 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 85 PID 1320 wrote to memory of 4152 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 85 PID 1320 wrote to memory of 1936 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 87 PID 1320 wrote to memory of 1936 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 87 PID 1320 wrote to memory of 1936 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 87 PID 1320 wrote to memory of 4848 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 89 PID 1320 wrote to memory of 4848 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 89 PID 1320 wrote to memory of 4848 1320 72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe 89 PID 4848 wrote to memory of 4904 4848 csrss.exe 90 PID 4848 wrote to memory of 4904 4848 csrss.exe 90 PID 4848 wrote to memory of 4904 4848 csrss.exe 90 PID 4848 wrote to memory of 32 4848 csrss.exe 97 PID 4848 wrote to memory of 32 4848 csrss.exe 97 PID 4848 wrote to memory of 32 4848 csrss.exe 97 PID 4848 wrote to memory of 1128 4848 csrss.exe 99 PID 4848 wrote to memory of 1128 4848 csrss.exe 99 PID 4848 wrote to memory of 1128 4848 csrss.exe 99 PID 4848 wrote to memory of 1020 4848 csrss.exe 101 PID 4848 wrote to memory of 1020 4848 csrss.exe 101 -
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\72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe"C:\Users\Admin\AppData\Local\Temp\72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4520
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C:\Users\Admin\AppData\Local\Temp\72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.exe"C:\Users\Admin\AppData\Local\Temp\72c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43.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:1320 -
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:4548
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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:196 -
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:3384
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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:4152
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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:1936
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848 -
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:4904
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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:4232
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4148
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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:32
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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:1128
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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:1020
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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:1156
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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
MD53d6f18db515df2c80e0510b05fc20a6e
SHA12f9a4d46155b75d48ff0d735425942ac8ee50bb4
SHA25642b28e39fddbae37931482bc6a41d3ffe8d9e3dd4face1557602689e807ab492
SHA5122430581073db1aae09b2e822c5065dd169e90ac1fc2ea075ca14e712c219da3afea83fb43cb29d8814d722632bdc18cf552f420142def53c036657794ba40f39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5632ce6322f8b6cce8d782bb6ad01d7da
SHA16a02755b6ce6a8992c20c7353ee4ef0e0324c029
SHA25619fe48e6526328b9eeb683f250cc18948bfa4b2696cc9c10beed9ad4c349d836
SHA5126156273596969975e218408cd18a68575aaae04afb3fa79a2752f9f9be481b79082162aeb163edd4e1e4106ce70231ac14b1d3f26e22b83d7f2103244dbcaee4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD530cdb6cd7d2d0568c68826133b7402c1
SHA158a5620712bd956768685fc465eab538352c745c
SHA256e92601a49c899ffd9a13a6375dd09319f8a77ec819b0d67e621db1f8a134377a
SHA512faa0951cef2bcd93fe775186265f9437e720b650342b4fffcaa1dfba3136a0744a88139c49a29500f66c06f3945b4983b64f831c1c187e6b3e39d4a5f828ea65
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58a95cb6bcf6e8ca200ed600aed0d1dca
SHA1f739129b82177824596d48e6f8f3f0234577d1ef
SHA2561fd1ab6c117b10b149b1c0fd3359098929b895efb54a724b57496aad73e8ae9f
SHA512b94dbc2a105ee5537afd79f29b2e6cd20d54d608dbcc97fd44e3603259d0dd4b180d7038ce71fbba29e7b792c29fe67fca6742d7af83234e82c234f3ca494697
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ca296d922d7d73969cf6e294bdbb2373
SHA1a86459fcbee8e061b7984f3b318001f46f0732e5
SHA256ea666c0f9a793a417a6ca817b75970f856e84f0dbdfac170d778479bdd987b9a
SHA5122e794e5b6ae1ae02925b4848d902d2cbc3ffa7bed909a419f1d1761a5517f8c548242a7c7eb8ac8ecd59b8e4a1e4b1ae01b434a33e5b8331062a2cdd8d9b52a7
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Filesize
4.1MB
MD59fffb87f1af54a27370f5313e12ec33c
SHA15d8ef239ed414317f4ca90d1e648f24e088160b8
SHA25672c78347f13522c6550af1a4667efb63aac7ee6944caf3cf8584a1e116d33f43
SHA51260a7c2984e2e56366e2a584c71b6c8622a1053596f3c93c2aec7e5201ec56017241b76c6eb88312778e9f3b0b6a8cf9dc559aa2114cb480cc6ab90b8639fcdfb