Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 14:04
Static task
static1
Behavioral task
behavioral1
Sample
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe
Resource
win10v2004-20240412-en
General
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Target
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe
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Size
4.2MB
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MD5
87c0283fa05fc8944128eeb59baff711
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SHA1
a6a14767ea1b83fd2c9d9eed73d47ce11a8a5a56
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SHA256
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b
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SHA512
5edc5a2cec74696bca82f6900e02510ccb7b7ad1eafab7db0437f5c231260d3559e83cc63d37d5910b16d2cbfd2ace7da280dfe6dfd82d10b695050c60eb714e
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SSDEEP
98304:zu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYh:zaARFuKJWhQkavn//blllQdNaFDGXK
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1124-2-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/1124-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1124-52-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1124-55-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/5008-56-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5008-222-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-259-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-284-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-287-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-290-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-293-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-296-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-299-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2832-302-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1920 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2832 csrss.exe 1220 injector.exe 4300 windefender.exe 2116 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4300-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2116-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2116-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2116-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe -
Drops file in Windows directory 4 IoCs
Processes:
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe File created C:\Windows\rss\csrss.exe 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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.
Processes:
sc.exepid process 1068 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 4288 schtasks.exe 512 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-441 = "Arabian Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exepowershell.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4832 powershell.exe 4832 powershell.exe 1124 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 1124 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 4656 powershell.exe 4656 powershell.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 4812 powershell.exe 4812 powershell.exe 1860 powershell.exe 1860 powershell.exe 1884 powershell.exe 1884 powershell.exe 548 powershell.exe 548 powershell.exe 464 powershell.exe 464 powershell.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 2832 csrss.exe 2832 csrss.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 2832 csrss.exe 2832 csrss.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 2832 csrss.exe 2832 csrss.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 1124 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Token: SeImpersonatePrivilege 1124 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeDebugPrivilege 1860 powershell.exe Token: SeDebugPrivilege 1884 powershell.exe Token: SeDebugPrivilege 548 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeSystemEnvironmentPrivilege 2832 csrss.exe Token: SeSecurityPrivilege 1068 sc.exe Token: SeSecurityPrivilege 1068 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1124 wrote to memory of 4832 1124 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 1124 wrote to memory of 4832 1124 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 1124 wrote to memory of 4832 1124 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 4656 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 4656 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 4656 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 4496 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe cmd.exe PID 5008 wrote to memory of 4496 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe cmd.exe PID 4496 wrote to memory of 1920 4496 cmd.exe netsh.exe PID 4496 wrote to memory of 1920 4496 cmd.exe netsh.exe PID 5008 wrote to memory of 4812 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 4812 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 4812 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 1860 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 1860 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 1860 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5008 wrote to memory of 2832 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe csrss.exe PID 5008 wrote to memory of 2832 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe csrss.exe PID 5008 wrote to memory of 2832 5008 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe csrss.exe PID 2832 wrote to memory of 1884 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 1884 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 1884 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 548 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 548 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 548 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 464 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 464 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 464 2832 csrss.exe powershell.exe PID 2832 wrote to memory of 1220 2832 csrss.exe injector.exe PID 2832 wrote to memory of 1220 2832 csrss.exe injector.exe PID 4300 wrote to memory of 3568 4300 windefender.exe cmd.exe PID 4300 wrote to memory of 3568 4300 windefender.exe cmd.exe PID 4300 wrote to memory of 3568 4300 windefender.exe cmd.exe PID 3568 wrote to memory of 1068 3568 cmd.exe sc.exe PID 3568 wrote to memory of 1068 3568 cmd.exe sc.exe PID 3568 wrote to memory of 1068 3568 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\4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe"C:\Users\Admin\AppData\Local\Temp\4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832
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C:\Users\Admin\AppData\Local\Temp\4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe"C:\Users\Admin\AppData\Local\Temp\4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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:5008 -
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:4656
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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:4496 -
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:1920
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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:4812
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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:1860
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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:2832 -
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:1884
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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:4288
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1144
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:548
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:464
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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:1220
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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:512
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4300 -
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:3568 -
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:1068
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2116
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a23f3a3436be67651701a9dad9074c28
SHA12e88a023a0b1b3fd66a2ba79377cc2c8a706e522
SHA2565568d7e3fdf077c16e0be4158fbb50463032c5eda25b64f3906b1e419a7dc3e8
SHA512c88f0f5550cce56b1b3fe9cd4cfce92e6a778fe75d2231400a99470e68aedc0a84b970ca334f8ff936704dad15c89fb9439d3827bfe6e738e23d8406b5f161a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc198db7059f91c3a370db720fd72e6c
SHA1eea397f0f5c295458926ace995460bcb36384dd8
SHA2564c410743f9a2e803502017a83acb365db4cb5484f81b159949a15180142e5d8d
SHA512b42bb21b408a19cfe20b133d614ca620a23760c474fa4e66f1273bbfaf71cc42b232e31200ba68b9dba1a5f900b004120eb63354565eba3fe51a0bd0541908af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510dc3154071ee65dc4915ff8632decd5
SHA16ae5529fe1572ab31258300f6cbb8d1ef8a8753a
SHA256b716b6054024ca377094e54c253d8ce2577f682c47355e9b3ca944b8556c2cd9
SHA512eed82d029664ea0f76d83cc8733b2110481c59a96b95decad48265760502ac230f3e28c3cf7fab2181c7a60f03cf8c1937c0de4a1a42ea172b6aafad087907b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55fd57cec112bfa4c0590c8449b1c4a75
SHA13d2c59c712467a6e12681861946aa5c8929cccdc
SHA2564766f548dad351635f788f02430b6c6318cace77bcda18fa78f5db92f77cc007
SHA51231bdb541e45d92f04df94bd983ffb1f1f64421d056633a9245312db4ff3cedd73f322808f54072bbcaf4bab9bda5b6d7544727e25bef62e0f97b24c2ef2570bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542d220a539d6b129d31bacf95df90fca
SHA142a9d511303db6c7a526dffba08bbc4857de9e22
SHA2566aa021bf87eb6ee2544305d242e3fb5331aaed2c287e7959aede46b555ff923a
SHA5121ad1998fa462a76ecce198e28b1476378cfbf4a92d791cb80064630502cff57fa17e250042e7f2566c599a1f1b2b9fdf2c57454443b3689033b22e2d56cc8c07
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Filesize
4.2MB
MD587c0283fa05fc8944128eeb59baff711
SHA1a6a14767ea1b83fd2c9d9eed73d47ce11a8a5a56
SHA2564297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b
SHA5125edc5a2cec74696bca82f6900e02510ccb7b7ad1eafab7db0437f5c231260d3559e83cc63d37d5910b16d2cbfd2ace7da280dfe6dfd82d10b695050c60eb714e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec