Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
30-05-2023 05:08
Static task
static1
General
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Target
bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe
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Size
4.2MB
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MD5
7755321df289ea0207234442e98d353d
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SHA1
f42524b38acde2ca22babfb847ded17745d08252
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SHA256
bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b
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SHA512
cbaa1230478fde2ea735b33d482800efcdf4262e15e51a7002f1200500aed229c5a2cccf9bc9d04c0961591872555df6ceaff763031f4618b3711c350ff4e560
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SSDEEP
98304:OEetIp/wDrYhBLw7jCPSQSbSuKLRXxaJCNcYPEKwlzgxt5Y/LrznN5YThq:Us/cr2AKZuTKNxaKcYpLxEzP
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/656-118-0x0000000003040000-0x000000000392B000-memory.dmp family_glupteba behavioral1/memory/656-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/656-415-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3120-661-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3120-936-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3120-1150-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1400-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1699-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1888-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1889-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1890-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1891-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1892-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1893-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1894-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1744-1895-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 756 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1744 csrss.exe 4756 injector.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe File created C:\Windows\rss\csrss.exe bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.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 2216 schtasks.exe 4712 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2860 powershell.exe 2860 powershell.exe 2860 powershell.exe 656 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 656 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 4316 powershell.exe 4316 powershell.exe 4316 powershell.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 2112 powershell.exe 2112 powershell.exe 2112 powershell.exe 3964 powershell.exe 3964 powershell.exe 3964 powershell.exe 2120 powershell.exe 2120 powershell.exe 2120 powershell.exe 2220 powershell.exe 2220 powershell.exe 2220 powershell.exe 3432 powershell.exe 3432 powershell.exe 3432 powershell.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 1744 csrss.exe 1744 csrss.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 1744 csrss.exe 1744 csrss.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe 4756 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 656 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Token: SeImpersonatePrivilege 656 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 2120 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeSystemEnvironmentPrivilege 1744 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 656 wrote to memory of 2860 656 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 67 PID 656 wrote to memory of 2860 656 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 67 PID 656 wrote to memory of 2860 656 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 67 PID 3120 wrote to memory of 4316 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 72 PID 3120 wrote to memory of 4316 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 72 PID 3120 wrote to memory of 4316 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 72 PID 3120 wrote to memory of 1240 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 74 PID 3120 wrote to memory of 1240 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 74 PID 1240 wrote to memory of 756 1240 cmd.exe 76 PID 1240 wrote to memory of 756 1240 cmd.exe 76 PID 3120 wrote to memory of 2112 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 77 PID 3120 wrote to memory of 2112 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 77 PID 3120 wrote to memory of 2112 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 77 PID 3120 wrote to memory of 3964 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 79 PID 3120 wrote to memory of 3964 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 79 PID 3120 wrote to memory of 3964 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 79 PID 3120 wrote to memory of 1744 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 81 PID 3120 wrote to memory of 1744 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 81 PID 3120 wrote to memory of 1744 3120 bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe 81 PID 1744 wrote to memory of 2120 1744 csrss.exe 82 PID 1744 wrote to memory of 2120 1744 csrss.exe 82 PID 1744 wrote to memory of 2120 1744 csrss.exe 82 PID 1744 wrote to memory of 2220 1744 csrss.exe 88 PID 1744 wrote to memory of 2220 1744 csrss.exe 88 PID 1744 wrote to memory of 2220 1744 csrss.exe 88 PID 1744 wrote to memory of 3432 1744 csrss.exe 91 PID 1744 wrote to memory of 3432 1744 csrss.exe 91 PID 1744 wrote to memory of 3432 1744 csrss.exe 91 PID 1744 wrote to memory of 4756 1744 csrss.exe 93 PID 1744 wrote to memory of 4756 1744 csrss.exe 93 -
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\bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe"C:\Users\Admin\AppData\Local\Temp\bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860
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C:\Users\Admin\AppData\Local\Temp\bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.exe"C:\Users\Admin\AppData\Local\Temp\bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b.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:3120 -
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\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:1240 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:756
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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:2112
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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:3964
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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:1744 -
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:2120
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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:2216
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2932
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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:2220
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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:3432
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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:4756
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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:4712
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Network
MITRE ATT&CK Enterprise v6
Replay 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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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
MD5a6bc15b4d7c244d304938f0baf98c3fd
SHA168e2f72f84685a80213861ea5c1320db3974d930
SHA2560636a234a8815f8da82024e6cc9497e381919dd41c45fc9997362d596a84291b
SHA512e5f15c6417227d9e84b9f0138d65ecb4382a59c437cee102efc837f92a2d2cd2c44c6722b8b13c93fc8680e9f336d7e931ab20de1a92c1c70e9b54919683a413
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57ce42523dd10993532889599873f9506
SHA1154b927388eb356611994ff825bcf302d36f48f3
SHA256978700b87f4f86f5bbe8bbe520b3125162b25535bb5c794a878af2cfd643a697
SHA512037991460cf78f4ccfaa353905c528fa05dd9006ea4c7bae30bc8943efef0de959199182ceebabf4591aca035c21990e9d16bddaba654465d8b319ed517ace16
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b21da62d38f811a0f41bbb2fa2027253
SHA14d31e383d9bd55ff53236e6449e4b2317fe342d7
SHA256210edc9c44b810a96290f6de1fa62559b681b34391c4c5bee8ce4e97c3ad524b
SHA5122d9e1459f0f688ec29070ef9ff4fffa0c7d9ab038b70b2ac894da06268d07ea2212cfb8a6e18728d91ee10eaf9e6d6ef4fc32060a0d017cae7fcb8ba58d82fc2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5f11ee1aaba66bfa812bb78e7effa25c8
SHA185dc003485c180697bad5b8c03418b5752471472
SHA256d8d258efc4765aa3acdec30660eab44849f26ceb62f24dae0f9af3cc27acb645
SHA512789f6258f5471da3e4f91710f7ea03286cf73ce3df57d445bfbb0906ef9fe0749db1b582724a2832ab0941bb5de00cb60a9e19f61cace8d2092f5cc6bc7a1cc7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e5779d9665fc38cedcbbe813cf8cd603
SHA17d319a8c149f70bc2f45fa96e868e0203e16f850
SHA256e8c3084debc57eb809f71275bc3aa082b86af8cb4c57f37ed26439335997c464
SHA512c168e9477e96995588a15a2fa8960ffe3ab6c9e12c9a03ae7e62290914b74951dfbbf16ad527c09e8bc81615fc212d647016b65d6809c50de9fa171e385666cf
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Filesize
4.2MB
MD57755321df289ea0207234442e98d353d
SHA1f42524b38acde2ca22babfb847ded17745d08252
SHA256bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b
SHA512cbaa1230478fde2ea735b33d482800efcdf4262e15e51a7002f1200500aed229c5a2cccf9bc9d04c0961591872555df6ceaff763031f4618b3711c350ff4e560
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Filesize
4.2MB
MD57755321df289ea0207234442e98d353d
SHA1f42524b38acde2ca22babfb847ded17745d08252
SHA256bd8d8e47c6354cf9df12b2ba1646d26c2b0f6e437d97f151cd3db3ae351ead6b
SHA512cbaa1230478fde2ea735b33d482800efcdf4262e15e51a7002f1200500aed229c5a2cccf9bc9d04c0961591872555df6ceaff763031f4618b3711c350ff4e560