Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
21-07-2023 19:04
Static task
static1
General
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Target
c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe
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Size
4.1MB
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MD5
fcd759882d8f44b0068e692dd0a29c98
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SHA1
e276cd155bd7c201d85a6a8571efee7ff4f54500
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SHA256
c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb
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SHA512
441f546d081bc4f9e953068f72dd7f9cce9cb866730d94a1177c480206fad9cd2c873037fe2ca8d6582061cf88ac98416e27abc95686398c19f4105cd42287c1
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SSDEEP
49152:SYl4puBmJIeJ+5S+Zuz9e2jIlgE9FE0urAZUdOASqZ2skgt9L/xCzPj/OZelY+hq:SruQJp99jIlgX0urSEOcbxo/OIJ6X
Malware Config
Signatures
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Glupteba payload 23 IoCs
resource yara_rule behavioral1/memory/4672-122-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4672-123-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4672-163-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4672-194-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4672-203-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4672-423-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2568-426-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2568-635-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2568-676-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2568-945-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2568-1168-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1172-0x0000000003200000-0x0000000003AEB000-memory.dmp family_glupteba behavioral1/memory/348-1173-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1443-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1909-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1918-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1924-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1926-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1928-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1930-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1932-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1934-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/348-1936-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4236 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 348 csrss.exe 308 injector.exe 4300 windefender.exe 4884 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001b015-1917.dat upx behavioral1/files/0x000700000001b015-1919.dat upx behavioral1/files/0x000700000001b015-1921.dat upx behavioral1/memory/4300-1923-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4884-1925-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4884-1929-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-488886677-2269338296-1239465872-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-488886677-2269338296-1239465872-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 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 -
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 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe File created C:\Windows\rss\csrss.exe c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.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 1388 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 2484 schtasks.exe 3304 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.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\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1e\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.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\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.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,-591 = "Malay Peninsula Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1764 powershell.exe 1764 powershell.exe 1764 powershell.exe 4672 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 4672 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 872 powershell.exe 872 powershell.exe 872 powershell.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 4632 powershell.exe 4632 powershell.exe 4632 powershell.exe 216 powershell.exe 216 powershell.exe 216 powershell.exe 2624 powershell.exe 2624 powershell.exe 2624 powershell.exe 3516 powershell.exe 3516 powershell.exe 3516 powershell.exe 5000 powershell.exe 5000 powershell.exe 5000 powershell.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 348 csrss.exe 348 csrss.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 348 csrss.exe 348 csrss.exe 308 injector.exe 308 injector.exe 348 csrss.exe 348 csrss.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe 308 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1764 powershell.exe Token: SeDebugPrivilege 4672 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Token: SeImpersonatePrivilege 4672 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe Token: SeDebugPrivilege 872 powershell.exe Token: SeDebugPrivilege 4632 powershell.exe Token: SeDebugPrivilege 216 powershell.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeSystemEnvironmentPrivilege 348 csrss.exe Token: SeSecurityPrivilege 1388 sc.exe Token: SeSecurityPrivilege 1388 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4672 wrote to memory of 1764 4672 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 71 PID 4672 wrote to memory of 1764 4672 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 71 PID 4672 wrote to memory of 1764 4672 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 71 PID 2568 wrote to memory of 872 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 76 PID 2568 wrote to memory of 872 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 76 PID 2568 wrote to memory of 872 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 76 PID 2568 wrote to memory of 1388 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 78 PID 2568 wrote to memory of 1388 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 78 PID 1388 wrote to memory of 4236 1388 cmd.exe 80 PID 1388 wrote to memory of 4236 1388 cmd.exe 80 PID 2568 wrote to memory of 4632 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 81 PID 2568 wrote to memory of 4632 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 81 PID 2568 wrote to memory of 4632 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 81 PID 2568 wrote to memory of 216 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 83 PID 2568 wrote to memory of 216 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 83 PID 2568 wrote to memory of 216 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 83 PID 2568 wrote to memory of 348 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 85 PID 2568 wrote to memory of 348 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 85 PID 2568 wrote to memory of 348 2568 c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe 85 PID 348 wrote to memory of 2624 348 csrss.exe 86 PID 348 wrote to memory of 2624 348 csrss.exe 86 PID 348 wrote to memory of 2624 348 csrss.exe 86 PID 348 wrote to memory of 3516 348 csrss.exe 93 PID 348 wrote to memory of 3516 348 csrss.exe 93 PID 348 wrote to memory of 3516 348 csrss.exe 93 PID 348 wrote to memory of 5000 348 csrss.exe 95 PID 348 wrote to memory of 5000 348 csrss.exe 95 PID 348 wrote to memory of 5000 348 csrss.exe 95 PID 348 wrote to memory of 308 348 csrss.exe 97 PID 348 wrote to memory of 308 348 csrss.exe 97 PID 4300 wrote to memory of 3880 4300 windefender.exe 104 PID 4300 wrote to memory of 3880 4300 windefender.exe 104 PID 4300 wrote to memory of 3880 4300 windefender.exe 104 PID 3880 wrote to memory of 1388 3880 cmd.exe 105 PID 3880 wrote to memory of 1388 3880 cmd.exe 105 PID 3880 wrote to memory of 1388 3880 cmd.exe 105 -
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\c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe"C:\Users\Admin\AppData\Local\Temp\c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1764
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C:\Users\Admin\AppData\Local\Temp\c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe"C:\Users\Admin\AppData\Local\Temp\c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb.exe"2⤵
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2568 -
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:872
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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:1388 -
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
- Modifies data under HKEY_USERS
PID:4236
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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:4632
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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:216
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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:348 -
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:2624
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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:2484
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3300
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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:3516
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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:5000
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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:308
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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:3304
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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:3880 -
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:1388
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4884
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD578899c4a7121f8e4d7c812f91932fc82
SHA19ed81d6d69add3888aa91742d01164af0e2eff86
SHA25655d7508ea46f92a6ff721e1a4e3ca631415d2ccb9d8a91e2fadb241d7e584c2a
SHA512638021f5816a8d67b1b10a4aa3a120ae68ab50000f4fb43d58a089a4d5be02cc25a278af8e2824c91b085eefd107df5ba16a4ea992cde67d9b17b22b8dac0dd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52d3a6105cfe4e14e02085d60be5160b3
SHA1894725283ff8d45b1ad601215526541ecc14fd36
SHA256bc7ae017e07f31fe333db4c4436544333de70666740ac628a0914f4cac5d9b03
SHA512e7960eea0566b08b3ba70c416d433d15d109c2dded9d5b0cbf39abf47d35cf13016faee2e1e4020062f4cebb4d5bd972959aafee5ef2280a7521b87c9cf7d0a7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ea5d3c63a9651373cc82855c5f0cc90b
SHA1c1e396afb20994e18a5f76abfd13ac2c7dae7871
SHA256cd3aa56439deeceb4bed6138420d6ad9d350e1df7d5172fa45ecab828acbe878
SHA5122cc91e5cb8558f4691719cf76bb86eb3cf8f078bca7d7beb153870eeb0b96d46c964e06a307d77b937709c851c0872dcba409addc084cfee3de874ccb7f26df8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b0f672b3fc1fd88ac58c2da0c3a1e8b0
SHA17622394f30e232b05fc122a01ce7a6bf667f8a9d
SHA25676213d534f4c957882d7266c853bb5e64f6654bc481f9ed0e83ee0fce7cb814f
SHA512945d85ad6d032757abe1665557885fb1da03a8d3e0177f9398043469ddf536a9c1e5977abe67938cda3ddacfdab39aaa78d10e8eb77ac94d35a1784e3da9dea0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b5037e2e06dfc80ab99364db2e7c3cd6
SHA13d8b8759d3b94a931884ed3e21bf04946f0541fc
SHA256c5a0b2fdce652ce7c7226f4ef98fae8724377b7de6c9039ab90700098880ac48
SHA512bcd606547c1ba5e41b4d97dbd6a146cc956784e9c2f7ba5050207b187a99d0c8394255b8aa9e4b10e4cae8c0a67cb906c00a86033efbfd932c6c8ad3369d235b
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Filesize
4.1MB
MD5fcd759882d8f44b0068e692dd0a29c98
SHA1e276cd155bd7c201d85a6a8571efee7ff4f54500
SHA256c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb
SHA512441f546d081bc4f9e953068f72dd7f9cce9cb866730d94a1177c480206fad9cd2c873037fe2ca8d6582061cf88ac98416e27abc95686398c19f4105cd42287c1
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Filesize
4.1MB
MD5fcd759882d8f44b0068e692dd0a29c98
SHA1e276cd155bd7c201d85a6a8571efee7ff4f54500
SHA256c66825de7428b239d4e61f613fe2d3a11e74816b5a1d9904426d68f4f5be39bb
SHA512441f546d081bc4f9e953068f72dd7f9cce9cb866730d94a1177c480206fad9cd2c873037fe2ca8d6582061cf88ac98416e27abc95686398c19f4105cd42287c1
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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