Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
11-12-2023 16:02
Static task
static1
General
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Target
2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe
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Size
4.1MB
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MD5
bf4e5ca5734158d8935ebe4609246704
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SHA1
2dbe97858c8f3874b96301bf2350b1443426390e
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SHA256
2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd
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SHA512
27215da3730ae5add001df60ac71c73a500cd104fbdbdefb3cfc1d6366b9e2ac10992668511c3c601f916ec4d0f1e683064dae9344fec72fdbacdfc920bf3092
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SSDEEP
98304:GFfV3GNFg4XGQkhTpLXQUx8kN+eS+Tvida3ZJUOkV9qvDZPyn5X:CajmdLXQY8SRTqapJUBPq7Z2
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/4520-2-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral1/memory/4520-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4520-301-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4520-302-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral1/memory/4940-305-0x0000000002ED0000-0x00000000037BB000-memory.dmp family_glupteba behavioral1/memory/4940-306-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4940-804-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4940-828-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4940-1053-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1057-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1804-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1813-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1814-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1816-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1818-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1820-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1822-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1824-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1826-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1828-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1831-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-1832-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4328 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3792 csrss.exe 3156 injector.exe 2648 windefender.exe 1060 windefender.exe -
resource yara_rule behavioral1/files/0x000600000001ac2d-1808.dat upx behavioral1/files/0x000600000001ac2d-1810.dat upx behavioral1/memory/2648-1812-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000600000001ac2d-1807.dat upx behavioral1/memory/1060-1815-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1060-1819-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2640874492-649017405-3475600720-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2640874492-649017405-3475600720-1000\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 sc.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 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe File created C:\Windows\rss\csrss.exe 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3428 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 2776 schtasks.exe 3804 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,-332 = "E. Europe Standard Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs sc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA sc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates sc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.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,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates sc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs sc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs sc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-104 = "Central Brazilian Daylight Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs sc.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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2932 powershell.exe 2932 powershell.exe 2932 powershell.exe 4520 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4520 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 3596 powershell.exe 3596 powershell.exe 3596 powershell.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 3136 powershell.exe 3136 powershell.exe 3136 powershell.exe 1484 powershell.exe 1484 powershell.exe 1484 powershell.exe 3428 sc.exe 3428 sc.exe 3428 sc.exe 3080 powershell.exe 3080 powershell.exe 3080 powershell.exe 4208 powershell.exe 4208 powershell.exe 4208 powershell.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3792 csrss.exe 3792 csrss.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3792 csrss.exe 3792 csrss.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3792 csrss.exe 3792 csrss.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2932 powershell.exe Token: SeDebugPrivilege 4520 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Token: SeImpersonatePrivilege 4520 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 3428 sc.exe Token: SeDebugPrivilege 3080 powershell.exe Token: SeDebugPrivilege 4208 powershell.exe Token: SeSystemEnvironmentPrivilege 3792 csrss.exe Token: SeSecurityPrivilege 3428 sc.exe Token: SeSecurityPrivilege 3428 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4520 wrote to memory of 2932 4520 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 72 PID 4520 wrote to memory of 2932 4520 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 72 PID 4520 wrote to memory of 2932 4520 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 72 PID 4940 wrote to memory of 3596 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 77 PID 4940 wrote to memory of 3596 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 77 PID 4940 wrote to memory of 3596 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 77 PID 4940 wrote to memory of 1684 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 79 PID 4940 wrote to memory of 1684 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 79 PID 1684 wrote to memory of 4328 1684 cmd.exe 81 PID 1684 wrote to memory of 4328 1684 cmd.exe 81 PID 4940 wrote to memory of 3136 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 82 PID 4940 wrote to memory of 3136 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 82 PID 4940 wrote to memory of 3136 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 82 PID 4940 wrote to memory of 1484 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 85 PID 4940 wrote to memory of 1484 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 85 PID 4940 wrote to memory of 1484 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 85 PID 4940 wrote to memory of 3792 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 86 PID 4940 wrote to memory of 3792 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 86 PID 4940 wrote to memory of 3792 4940 2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe 86 PID 3792 wrote to memory of 3428 3792 csrss.exe 107 PID 3792 wrote to memory of 3428 3792 csrss.exe 107 PID 3792 wrote to memory of 3428 3792 csrss.exe 107 PID 3792 wrote to memory of 3080 3792 csrss.exe 91 PID 3792 wrote to memory of 3080 3792 csrss.exe 91 PID 3792 wrote to memory of 3080 3792 csrss.exe 91 PID 3792 wrote to memory of 4208 3792 csrss.exe 97 PID 3792 wrote to memory of 4208 3792 csrss.exe 97 PID 3792 wrote to memory of 4208 3792 csrss.exe 97 PID 3792 wrote to memory of 3156 3792 csrss.exe 99 PID 3792 wrote to memory of 3156 3792 csrss.exe 99 PID 2648 wrote to memory of 3220 2648 windefender.exe 104 PID 2648 wrote to memory of 3220 2648 windefender.exe 104 PID 2648 wrote to memory of 3220 2648 windefender.exe 104 PID 3220 wrote to memory of 3428 3220 cmd.exe 107 PID 3220 wrote to memory of 3428 3220 cmd.exe 107 PID 3220 wrote to memory of 3428 3220 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\2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe"C:\Users\Admin\AppData\Local\Temp\2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2932
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C:\Users\Admin\AppData\Local\Temp\2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.exe"C:\Users\Admin\AppData\Local\Temp\2998eaad3c3529b60f0e3c21c26a844bd47ae089e2b6da5b485508605f7ce7bd.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:4940 -
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:3596
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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:1684 -
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:4328
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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:3136
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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:1484
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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:3792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:3428
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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:2776
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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:3080
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4596
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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:4208
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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:3156
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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:3804
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2648 -
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:3220 -
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⤵
- Drops file in System32 directory
- Launches sc.exe
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3428
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1060
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
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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Filesize
243KB
MD58e96b640c37ed8f568162785a45037ed
SHA1fb338bdb0b835409278543dcc7b0b6a72d85c49d
SHA256985a8dffc50471fd4d917bb2203c57f690e5f348334e046807171fd9ee7aedd2
SHA5127a992c77263a36c6c90afa285ba07e24ebdef100223bdcf329f2da0932a920c42a2af84ff4c09e0afe59c7c386b3b5678436669a5f58da02eca96006aa5d87b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b92857f47f80ba3c0928a04f1c1495a7
SHA1359629a555029c49f2940c3b5519d43c00471e52
SHA25641cfff8fd79c9cbe808f28dfc27e37dcab41dc69c666b519af8c6b792331fd51
SHA5126a58cbdcd8e201c508e7f7f84f88155d4e02100b6710f62963668f29927995ddc46ef724d48a7207a78f7b51149cb1f36f9be4c77a9c8d0713055b8fc3ed7c41
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD548d2b5c9879042948e65ba7a4424c8c1
SHA1cffd4b41da2c7bfe00e02c89776817180dea1623
SHA256f7bdff74dc6702d6da9cfafc963e55a0f11b428027636a59309c40d24772de3a
SHA512c17cf0d20b6d9de48cf156e5e2ed35d81614d4bf12822a8a7df912694d80c4b35bc62198d4571a293b7639e3dcd79870ccb5a4b2b21557f29d1b6ea820e4cc48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize1KB
MD5b0918052571ed0a9c5fab720851421e1
SHA12fca778d9a4db1a13d6e77ef1d7086b08263036c
SHA256918cb755d36463784f96a683a2c04b396ce7ea53b9fda7874ba5bceecc9e319c
SHA5128fa896cf06097edeb74e385f15d43112dfd038c8fe843188b201b2cb959cea8fb882457fe2d87d0435342d8af342dfba4c346ba58007e0d41969e980268035e3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD55e168f7e334bb7469ec228e16d69fd64
SHA1e8dbf69bdd934c2ae536ad79a15f56ca87f7d9e5
SHA256c27ae08d0b7b73ff5a3704ea28c7071ec990a66bfe38abd167f2734947cd6bd2
SHA512610c0c48deadcd58aa1f58469e7f3978de953c034916ed8696f5ce5596e8221cb985f52a77ef182dbfce8951d5f4f13a1380e803250dd5d6a3990ec9e98c629f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5a2ffc05f69a13ec433d93d742218a22e
SHA164a8a5f6b8c93b28c39dd9eb1feac7f6b9f9983b
SHA2565c48536f3aa18c0bfa4e45dac0fb28e78850d10a7e87ccb9cec87af410277ce3
SHA512e07cc470718fbc082d6d924458df2a3f75137ce1a4e5f569cfb74a0587d312b40862fb4ba8f0ff5afb1af2806dba5a548838b443d7158c1e99719b566c6ad8d7
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Filesize
486KB
MD58ac8635bd8dfe975f998eadac41d4db0
SHA118c64514108313f350930568c385aab36fadf42b
SHA256500a42b08335a75237e1775fe6e5e39adb2d71d24500e261080cbd4b6c48e254
SHA51274d134cb10c6405dcd69bc600e0f765ba9ddd28ed19c35a572fd3a244368412f8a45eafdf5fd8264c7c97b94fb4e99fc371fcfc61e4d6aeb9eb929eea7a275bc
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Filesize
276KB
MD5739d55a5d333cfa8ebfda44b880b63fe
SHA1790368ac6117eb14b00975e19d4e413d375fe99b
SHA25672534eb29c5924f9fff6c342cb72b58b4c0ae50153a9bc9b99daf4797a777a98
SHA512390e6f7e88a80fa76fc0bc1711e8618621afa6fca2eed757fb545fc291210895514768d703019fb4796d27c2b1dff2209712bcd33bab623b80b9af3732893ace
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Filesize
880KB
MD53884b2056b313a087f6b5f28deb5a4c1
SHA1641585f01838892d11e16a56c54e6187ca1667f1
SHA2560a0527ec5bfcab86b83c3252422794dd07af088208bc3d91dc39b3a281eabce6
SHA5125d5ae21662511c5d1876d04cafc3ae45d31c756a22e15cb9c282a27c9bdf8b0abec1ed2921e41efd1f9a303a2008ccfbe61ac59ff0270fc31318668e5834cfc7
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Filesize
476KB
MD51447af5b94238da7e97f143f13ee3b12
SHA1b26afab4d36a4f58f1d65363cd906f05d56b9b85
SHA2567632e8255b8c6fe8b4bc7e823c9d2e687f390b60d8e2041bc68799cc64788c9f
SHA512bd9199905ceb2fff743263b5eb44b4cf27164e2eb06ffae70391a9f63d724180419dcf30ebf4a2bf89af40b5f95de3e8c0e85da35b2dc3187c95b97e2a04a4e3
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Filesize
532KB
MD52e6743aca59166438911d1b56346f904
SHA12c2be4be05d9915ee2172eef89e2b47ebad8d4ee
SHA25616443908b198166485521034df4775cf1fa8080bbfbe54ec8160810378067f4c
SHA512b34e9933033e45271ab8554886ef1fd2fc093b1b270067b5c6cc78b8b8eb1e541dd910b2dc5bf432266d67b1a20cd8b7e9153cc296fd929ed4683b2d9e793932