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Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
31/05/2023, 20:21
Static task
static1
General
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Target
c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe
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Size
4.1MB
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MD5
51a3e64590740f3d48ba1b6fc256e939
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SHA1
e61ada0472320bde6bc7a455e446de22ac2b2013
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SHA256
c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742
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SHA512
4cc3a5ee49fd57485247c21d5d33555b82148778681ecd4b7f2b39a34af4e4a03311ec37f00370fc2c56f55c64980a10d6bea19ddbb04ec476d16f6d422ff6c4
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SSDEEP
98304:sfw1IFNHSYDSUlu36oS4zmrWb6utI57GfklgabZJa7L0NkR1odAcfL:uolmyb6bAMb3rNG0AcfL
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral1/memory/1260-134-0x0000000002ED0000-0x00000000037BB000-memory.dmp family_glupteba behavioral1/memory/1260-173-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1260-206-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4224-233-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4224-263-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-319-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-352-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-362-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-365-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-368-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-371-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-374-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-377-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-380-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1324-389-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4652 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1324 csrss.exe 2680 injector.exe 1396 windefender.exe 4996 windefender.exe 2424 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0008000000023125-356.dat upx behavioral1/memory/1396-357-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0008000000023125-358.dat upx behavioral1/files/0x0008000000023125-359.dat upx behavioral1/memory/1396-360-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4996-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4996-370-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000b00000001da0a-384.dat upx behavioral1/files/0x000b00000001da0a-385.dat upx behavioral1/memory/2424-387-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4996-388-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2424-391-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2424-393-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.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 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 -
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 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe File created C:\Windows\rss\csrss.exe c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.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 452 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 2060 schtasks.exe 3916 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\1e\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\1e\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\1e\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\1e\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 956 powershell.exe 956 powershell.exe 1260 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 1260 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 2628 powershell.exe 2628 powershell.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 2680 powershell.exe 2680 powershell.exe 992 powershell.exe 992 powershell.exe 3152 powershell.exe 3152 powershell.exe 4024 powershell.exe 4024 powershell.exe 3432 powershell.exe 3432 powershell.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 1324 csrss.exe 1324 csrss.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 1324 csrss.exe 1324 csrss.exe 2680 injector.exe 2680 injector.exe 1324 csrss.exe 1324 csrss.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 956 powershell.exe Token: SeDebugPrivilege 1260 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Token: SeImpersonatePrivilege 1260 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 992 powershell.exe Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 4024 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeSystemEnvironmentPrivilege 1324 csrss.exe Token: SeSecurityPrivilege 452 sc.exe Token: SeSecurityPrivilege 452 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1260 wrote to memory of 956 1260 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 86 PID 1260 wrote to memory of 956 1260 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 86 PID 1260 wrote to memory of 956 1260 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 86 PID 4224 wrote to memory of 2628 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 96 PID 4224 wrote to memory of 2628 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 96 PID 4224 wrote to memory of 2628 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 96 PID 4224 wrote to memory of 1916 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 98 PID 4224 wrote to memory of 1916 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 98 PID 1916 wrote to memory of 4652 1916 cmd.exe 100 PID 1916 wrote to memory of 4652 1916 cmd.exe 100 PID 4224 wrote to memory of 2680 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 101 PID 4224 wrote to memory of 2680 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 101 PID 4224 wrote to memory of 2680 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 101 PID 4224 wrote to memory of 992 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 104 PID 4224 wrote to memory of 992 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 104 PID 4224 wrote to memory of 992 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 104 PID 4224 wrote to memory of 1324 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 105 PID 4224 wrote to memory of 1324 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 105 PID 4224 wrote to memory of 1324 4224 c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe 105 PID 1324 wrote to memory of 3152 1324 csrss.exe 107 PID 1324 wrote to memory of 3152 1324 csrss.exe 107 PID 1324 wrote to memory of 3152 1324 csrss.exe 107 PID 1324 wrote to memory of 4024 1324 csrss.exe 113 PID 1324 wrote to memory of 4024 1324 csrss.exe 113 PID 1324 wrote to memory of 4024 1324 csrss.exe 113 PID 1324 wrote to memory of 3432 1324 csrss.exe 115 PID 1324 wrote to memory of 3432 1324 csrss.exe 115 PID 1324 wrote to memory of 3432 1324 csrss.exe 115 PID 1324 wrote to memory of 2680 1324 csrss.exe 117 PID 1324 wrote to memory of 2680 1324 csrss.exe 117 PID 1396 wrote to memory of 5068 1396 windefender.exe 123 PID 1396 wrote to memory of 5068 1396 windefender.exe 123 PID 1396 wrote to memory of 5068 1396 windefender.exe 123 PID 5068 wrote to memory of 452 5068 cmd.exe 124 PID 5068 wrote to memory of 452 5068 cmd.exe 124 PID 5068 wrote to memory of 452 5068 cmd.exe 124 PID 1324 wrote to memory of 2424 1324 csrss.exe 126 PID 1324 wrote to memory of 2424 1324 csrss.exe 126 PID 1324 wrote to memory of 2424 1324 csrss.exe 126 -
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\c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe"C:\Users\Admin\AppData\Local\Temp\c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:956
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C:\Users\Admin\AppData\Local\Temp\c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.exe"C:\Users\Admin\AppData\Local\Temp\c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742.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:4224 -
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:2628
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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:1916 -
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:4652
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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:2680
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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:992
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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:1324 -
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:3152
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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:2060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3180
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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:4024
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3432
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2680
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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:3916
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1396 -
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:5068 -
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:452
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:2424 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1880
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4740
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cba3ae43a2c693e1a5569dcfe98d55f1
SHA1ec94dc446f24aa21a49fd11c121a0200ab8b22db
SHA25609aedce9b780c010edef2c482a33e1a3ef00f5c121fe90d62953061b7ed20289
SHA5120754d8e459d33d9877aa4038820d594c181805b28c88eba763e117fe4da4d7b9a25f2d7fbc493baae7cf2cae9944796508a9b52bb359ffa6b0b786c8e604dc9f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d71b76248683f61148722654a6e564c
SHA114f5414cf42269801bd16dbdaef452861109d58e
SHA2562e274500edfe1355b5b58a7fdf6853aea6f954a120b0770cca2552f0ab773597
SHA512b548f27f69eca1ddd4c571f301627166a579ebaefb50e79e7cee70355a003dec90639d12e4968946c1eaff031cbe47a1c56e018a4e30a1c4edb3333d89ff7d5c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510d7eed4e4d1ba3930139a18069b8999
SHA18d6106622da5c51d41e02b6d188e7ebd395366a4
SHA256764a5c8557b6006e0291a045b9b2bbb3b39576dd909782aefe60b4feca53a34a
SHA512b52a6b7568b52d053ddbb0acba0981c6e85fba2a54c288a6493d3597d6b4f4d3a8514288b2f83f36fb6940985b5c106a5a29195356e4c8ba3091ae9f7bab219e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d80ae62be3d892928025f6e8752513bc
SHA114ce0d5bf415d71a5c51e5b37fc1721a09e42af8
SHA2561c007f4b3d80b04d30e588827e381512f97aafcf4719ba23cf4f547708d64860
SHA5122b618250d0046c535a25da80b59a2fae0cb50a47a16a03b72eec523e6d3111d86967dd7ac99bc405eac88f45e9e801a39a56c3e621eff8e7cb08831dbf38144b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f09fd65c7960a6afd99f4943b36ccd5
SHA1fc91ef1dcc15efaf9a46075f36e03b4d88a06b53
SHA25671bc726f6d3b7f491a36f8cb3b5c8b5541517f11dc51f34cba967308518bd655
SHA5123a98e7d83184008a42badc6b4d7f322bd4bfcc932881f12ac613f53ad4f9895d84be5261af4286e7067ac3bc06ac88c881b6bb23643b21c4dfa40627d2b66164
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Filesize
4.1MB
MD551a3e64590740f3d48ba1b6fc256e939
SHA1e61ada0472320bde6bc7a455e446de22ac2b2013
SHA256c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742
SHA5124cc3a5ee49fd57485247c21d5d33555b82148778681ecd4b7f2b39a34af4e4a03311ec37f00370fc2c56f55c64980a10d6bea19ddbb04ec476d16f6d422ff6c4
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Filesize
4.1MB
MD551a3e64590740f3d48ba1b6fc256e939
SHA1e61ada0472320bde6bc7a455e446de22ac2b2013
SHA256c61e22b36ec603208604187457efac624c56e4d4acc70fb7d840b8f815915742
SHA5124cc3a5ee49fd57485247c21d5d33555b82148778681ecd4b7f2b39a34af4e4a03311ec37f00370fc2c56f55c64980a10d6bea19ddbb04ec476d16f6d422ff6c4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec