Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-04-2024 20:35
Static task
static1
Behavioral task
behavioral1
Sample
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe
Resource
win10v2004-20240412-en
General
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Target
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe
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Size
4.2MB
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MD5
a77d44a39e0440b2213ab71f6bed30e3
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SHA1
be15d762b23fafaf53fad87b811caf38214cfb47
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SHA256
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf
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SHA512
b11f578a5f332d11695cc23f9bcdd3e5269a87d97e9377fdac0522e5fd5bca62a6869c9e280c8c74a9feda6dfb35421e676fa35450f81aa3a5179e13e84cb7b3
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SSDEEP
98304:bVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lz8:hFYkS+E0uawLNQ+/9Bo7/s
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2128-2-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/2128-3-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2084-54-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2128-55-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/2128-80-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2084-163-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-242-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-254-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-258-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-261-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-265-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-269-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-274-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-278-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-282-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-286-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-289-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-293-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/2748-297-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3576 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2748 csrss.exe 4652 injector.exe 3268 windefender.exe 2812 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/3268-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2812-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2812-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe -
Drops file in Windows directory 4 IoCs
Processes:
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4604 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1236 schtasks.exe 4916 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exepowershell.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3624 powershell.exe 3624 powershell.exe 2128 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2128 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2416 powershell.exe 2416 powershell.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 1208 powershell.exe 1208 powershell.exe 1840 powershell.exe 1840 powershell.exe 4336 powershell.exe 4336 powershell.exe 4756 powershell.exe 4756 powershell.exe 2480 powershell.exe 2480 powershell.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 2748 csrss.exe 2748 csrss.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 2748 csrss.exe 2748 csrss.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 2748 csrss.exe 2748 csrss.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 2128 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Token: SeImpersonatePrivilege 2128 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Token: SeDebugPrivilege 2416 powershell.exe Token: SeDebugPrivilege 1208 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 4336 powershell.exe Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 2480 powershell.exe Token: SeSystemEnvironmentPrivilege 2748 csrss.exe Token: SeSecurityPrivilege 4604 sc.exe Token: SeSecurityPrivilege 4604 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2128 wrote to memory of 3624 2128 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2128 wrote to memory of 3624 2128 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2128 wrote to memory of 3624 2128 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 2416 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 2416 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 2416 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 1760 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe cmd.exe PID 2084 wrote to memory of 1760 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe cmd.exe PID 1760 wrote to memory of 3576 1760 cmd.exe netsh.exe PID 1760 wrote to memory of 3576 1760 cmd.exe netsh.exe PID 2084 wrote to memory of 1208 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 1208 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 1208 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 1840 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 1840 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 1840 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2084 wrote to memory of 2748 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe csrss.exe PID 2084 wrote to memory of 2748 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe csrss.exe PID 2084 wrote to memory of 2748 2084 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe csrss.exe PID 2748 wrote to memory of 4336 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 4336 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 4336 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 4756 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 4756 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 4756 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 2480 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 2480 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 2480 2748 csrss.exe powershell.exe PID 2748 wrote to memory of 4652 2748 csrss.exe injector.exe PID 2748 wrote to memory of 4652 2748 csrss.exe injector.exe PID 3268 wrote to memory of 4420 3268 windefender.exe cmd.exe PID 3268 wrote to memory of 4420 3268 windefender.exe cmd.exe PID 3268 wrote to memory of 4420 3268 windefender.exe cmd.exe PID 4420 wrote to memory of 4604 4420 cmd.exe sc.exe PID 4420 wrote to memory of 4604 4420 cmd.exe sc.exe PID 4420 wrote to memory of 4604 4420 cmd.exe sc.exe -
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\8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe"C:\Users\Admin\AppData\Local\Temp\8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624
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C:\Users\Admin\AppData\Local\Temp\8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe"C:\Users\Admin\AppData\Local\Temp\8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe"2⤵
- 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:2084 -
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:2416
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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:1760 -
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:3576
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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:1208
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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:1840
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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:2748 -
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:4336
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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:1236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4172
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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:4756
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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:2480
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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:4652
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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:4916
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3268 -
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:4420 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:4604
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2812
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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD545618eb51d6a614bf1d144d447122364
SHA129f0602cde3098baadc82d9f48d31e3cc05ff841
SHA256fe42c4eb491de821fd841c26e8128c65b34a2456f87f8603b4b986b904deb0b6
SHA5122bde256d61d4782f08eb105b4ddd903a1ff736f47e320068c8c08ab7271bc7561f67d0aa002f69d9b34404812ea69f8eb5e99579d54ff36a0990756e03b8483a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d13eebffde5f396aeb7fc69efb3b826f
SHA18d28488acffe276c0de7aab9862088544e72d040
SHA256b945e3523904f17e55e9a755ed5dfce281b5aa61bfcbcd4d74f365d666811ec5
SHA512e98f23472872ed59776901da12261c04aaa02a0745c5471a3fe921d7e0fb7695e44ab52b465a62daf83060856f96ff131769ca78cf14f1333a8cde5a0e588a66
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c80fc504cacb007cd57eef59f9b7e0c
SHA1884cfcd0ceb1e8d7cba3158d42cc20eee77f39ac
SHA25663d34aa958f3a75f43dd9f567ba4b3e966d151f9555f7ddc879815935c4b7f3d
SHA5128e9d7e77c36efe88f5bad5cdcb39470ead0a4dbbbaf5f28fd62382d4d5a7d08c17c3ddd9a3b1937e6ebb3cc69423eee5af38e4635089760e44b91453e979238c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524e12fbe9e4b3e879a3fb6520c029b50
SHA10355cecddc92dc39691bacf45b395b359a0baa76
SHA256e4fff0d9416ab7950b71d1b2f4400c92001101221a78c2d9fb7ae605e1cfe895
SHA512ea067ead550d28b6f506545f1cabd708b4fd55a07f80cd334b79b1fb96e085deb80f9347293b9f74f9a9c83b80580c3bd7fa76f1616a32322659aa676c368d00
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573400d80ac66b84ea5df82676fd404b8
SHA19820b57f4448e6ddd1d858abb1862f6a6627f0d7
SHA256a1a0df5a406337dbf3d8acddd20995db9b43e762d4897fd3ac4d5c6d011efd70
SHA5128df822dcd4c83cbb5e8f89f3f37116bf6a9c1f1cd7f04a52bf7bb40828a9ecbc1502137ab4420f3b23d8bd80d88b3a65f22c693644eb7ad742382a1593e49f5a
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Filesize
4.2MB
MD5a77d44a39e0440b2213ab71f6bed30e3
SHA1be15d762b23fafaf53fad87b811caf38214cfb47
SHA2568326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf
SHA512b11f578a5f332d11695cc23f9bcdd3e5269a87d97e9377fdac0522e5fd5bca62a6869c9e280c8c74a9feda6dfb35421e676fa35450f81aa3a5179e13e84cb7b3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec