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Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
24/04/2024, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe
Resource
win10v2004-20240412-en
General
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Target
731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe
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Size
4.1MB
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MD5
9dec7d208a72874bc315d187011582d0
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SHA1
1dcdca46ce57cebe4559d372b28985dcfe77eb92
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SHA256
731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c
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SHA512
ef526decc659751ee48e07a9647d431601d17ef75002abff3dda5fbfc9ed6659e01399dc98cb5c91899cc639391c651eb5b4c9ee7d755b3f60609f42516fae20
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SSDEEP
98304:tFddrpuoRE7tl1yJ8vae/QmLpm2XHwIZYQzHZc5g5rp30lCUp:XLdBQ1yJ8Sedm2XHUQNc5XgY
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4692-2-0x00000000066F0000-0x0000000006FDB000-memory.dmp family_glupteba behavioral1/memory/4692-69-0x00000000066F0000-0x0000000006FDB000-memory.dmp family_glupteba behavioral1/memory/4692-115-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/5024-153-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-248-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-260-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-264-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-268-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-272-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-275-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-279-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-283-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-287-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-291-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-295-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-299-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2148-303-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2148 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2148 csrss.exe 1524 injector.exe 4200 windefender.exe 3032 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023418-253.dat upx behavioral1/memory/4200-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3032-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3032-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description 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\"" csrss.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\"" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe File created C:\Windows\rss\csrss.exe 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.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 3240 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 988 schtasks.exe 4948 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard 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,-2182 = "Astrakhan Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.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,-892 = "Morocco Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western 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" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1712 powershell.exe 1712 powershell.exe 4692 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4692 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4260 powershell.exe 4260 powershell.exe 4260 powershell.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 868 powershell.exe 868 powershell.exe 868 powershell.exe 3020 powershell.exe 3020 powershell.exe 3020 powershell.exe 2588 powershell.exe 2588 powershell.exe 2588 powershell.exe 2412 powershell.exe 2412 powershell.exe 2412 powershell.exe 4520 powershell.exe 4520 powershell.exe 4520 powershell.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 2148 csrss.exe 2148 csrss.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 2148 csrss.exe 2148 csrss.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 2148 csrss.exe 2148 csrss.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1712 powershell.exe Token: SeDebugPrivilege 4692 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Token: SeImpersonatePrivilege 4692 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 868 powershell.exe Token: SeDebugPrivilege 3020 powershell.exe Token: SeDebugPrivilege 2588 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 4520 powershell.exe Token: SeSystemEnvironmentPrivilege 2148 csrss.exe Token: SeSecurityPrivilege 3240 sc.exe Token: SeSecurityPrivilege 3240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4692 wrote to memory of 1712 4692 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 89 PID 4692 wrote to memory of 1712 4692 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 89 PID 4692 wrote to memory of 1712 4692 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 89 PID 5024 wrote to memory of 4260 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 101 PID 5024 wrote to memory of 4260 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 101 PID 5024 wrote to memory of 4260 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 101 PID 5024 wrote to memory of 3316 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 105 PID 5024 wrote to memory of 3316 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 105 PID 3316 wrote to memory of 2148 3316 cmd.exe 107 PID 3316 wrote to memory of 2148 3316 cmd.exe 107 PID 5024 wrote to memory of 868 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 109 PID 5024 wrote to memory of 868 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 109 PID 5024 wrote to memory of 868 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 109 PID 5024 wrote to memory of 3020 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 112 PID 5024 wrote to memory of 3020 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 112 PID 5024 wrote to memory of 3020 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 112 PID 5024 wrote to memory of 2148 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 115 PID 5024 wrote to memory of 2148 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 115 PID 5024 wrote to memory of 2148 5024 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 115 PID 2148 wrote to memory of 2588 2148 csrss.exe 116 PID 2148 wrote to memory of 2588 2148 csrss.exe 116 PID 2148 wrote to memory of 2588 2148 csrss.exe 116 PID 2148 wrote to memory of 2412 2148 csrss.exe 121 PID 2148 wrote to memory of 2412 2148 csrss.exe 121 PID 2148 wrote to memory of 2412 2148 csrss.exe 121 PID 2148 wrote to memory of 4520 2148 csrss.exe 124 PID 2148 wrote to memory of 4520 2148 csrss.exe 124 PID 2148 wrote to memory of 4520 2148 csrss.exe 124 PID 2148 wrote to memory of 1524 2148 csrss.exe 126 PID 2148 wrote to memory of 1524 2148 csrss.exe 126 PID 4200 wrote to memory of 1456 4200 windefender.exe 134 PID 4200 wrote to memory of 1456 4200 windefender.exe 134 PID 4200 wrote to memory of 1456 4200 windefender.exe 134 PID 1456 wrote to memory of 3240 1456 cmd.exe 135 PID 1456 wrote to memory of 3240 1456 cmd.exe 135 PID 1456 wrote to memory of 3240 1456 cmd.exe 135 -
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\731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe"C:\Users\Admin\AppData\Local\Temp\731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1712
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C:\Users\Admin\AppData\Local\Temp\731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe"C:\Users\Admin\AppData\Local\Temp\731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.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:5024 -
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:4260
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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:3316 -
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:2148
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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:868
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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:3020
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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:2148 -
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:2588
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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:988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2040
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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:2412
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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:4520
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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:1524
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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:4948
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4200 -
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:1456 -
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:3240
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3032
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7e33f6ecc054a0dd0111ca4f7a2b846
SHA1cef4be2864d21f2e9487b419769ec945a0558ddc
SHA256d37d778c04170b95692f938a6cca7d0e1729fdd47941bf55ad045fea84721d8c
SHA5125b9d7df9db5ad508c2c852d18cf77cbbbb3a6e58340d11653ee75db86b4a26574a8166fde91528697c920717e9739258b437d7268039da2c11d472cda6b3d2ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fdec43e36236189ebcaebfd189e56756
SHA175841e3bd4cee286ce1d5ba9fa77934643108290
SHA256d2286db4250373400b25a644bfb7ab95a75cabf971bfb831ab8ffb3ee186a20b
SHA5121317391adb0d784b757ed9b95e11fe530078ab43b8a68be13aaf044b0c5465db52390a12c2047b638f0f33e5c9cd543e4a9f4d7f52f48bcd2d3e9d42445a7149
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59381297d46296f4bb82c923827611929
SHA17e9e15306adc0b47139397ab4014109ffe5a3d6b
SHA256b6f566f77f22e7b82dc1ab872cf225218d791ac381698194baff6add19a4f6be
SHA512bf1cf3e49f14bea6cb8cb269afcaa7fdb30688000b7a7602debde187970003f29661c7edc9317cea5b414f2e3141bea91bbc6423561d5f6205dd4b608beec3fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53fd980d8f10f20c10bbbb2a18cca6bd3
SHA1c6ab32a67ebb513018ee775e73f35599c0b3c8d0
SHA256caab724be92e6878391f701b81b5b6b7fe7126d65ebfad20b84f8beb80fb91f0
SHA512aeab614baea05a17b7c284399f4d0fa4157a55a96005f8b7b7c805cbbe190b0bcd805c7c3dd853f4cb68dbb924724acb860e3521f18874ce5eb3b02ea33e0311
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab0a3a6ab0daa1b98becce3b3f311ed2
SHA11ae814ae6112f2aeebd742f126a2cac8c10f6307
SHA256491426737995cb029db901b78c99bda7af15c3d56e0dc80826385e31da90f85f
SHA5123197625b9a34cd5fb53b500ca15e760d44d99ec03401178db9ae710667000b3c60a9549fda92f21e7f343c03277e837349fb9d0f4553fd169226931373a56ee2
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Filesize
4.1MB
MD59dec7d208a72874bc315d187011582d0
SHA11dcdca46ce57cebe4559d372b28985dcfe77eb92
SHA256731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c
SHA512ef526decc659751ee48e07a9647d431601d17ef75002abff3dda5fbfc9ed6659e01399dc98cb5c91899cc639391c651eb5b4c9ee7d755b3f60609f42516fae20
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec