Analysis
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max time kernel
299s -
max time network
275s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
08/05/2024, 23:09
Static task
static1
Behavioral task
behavioral1
Sample
603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe
Resource
win7-20240220-en
General
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Target
603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe
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Size
4.1MB
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MD5
4a63b3fb496f4b2c660fafd69bb6c417
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SHA1
cca31e45ea61aab0cd8d427d73e40b2bd7e89d0e
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SHA256
603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b
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SHA512
ce2219ee28977d999d51b604b256b07452bea5f75678e4ca239a85d513e98669213faee3d12686203bbf6ba616b1aa62970b4c615416ba8d513e2d7572f8b4ac
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SSDEEP
98304:otOQVOzVP2okCrzGcqr3Il4xEgG4B6nRnzx0FfjivmR:WOQEwokgzc3IlsEmoRifjfR
Malware Config
Signatures
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Glupteba payload 33 IoCs
resource yara_rule behavioral2/memory/4896-2-0x0000000004F90000-0x000000000587B000-memory.dmp family_glupteba behavioral2/memory/4896-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4896-301-0x0000000004F90000-0x000000000587B000-memory.dmp family_glupteba behavioral2/memory/4896-300-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4896-299-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4960-1016-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1741-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1750-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1753-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1755-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1757-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1759-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1761-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1763-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1765-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1767-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1769-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1770-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1773-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1775-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1777-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1779-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1781-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1783-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1785-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1787-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1789-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1791-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1793-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1795-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1797-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1799-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/4988-1801-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2276 netsh.exe -
Executes dropped EXE 3 IoCs
pid Process 4708 injector.exe 1932 windefender.exe 2400 windefender.exe -
resource yara_rule behavioral2/memory/1932-1746-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000800000001ac16-1745.dat upx behavioral2/memory/2400-1748-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1932-1749-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2400-1751-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2400-1756-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
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 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 -
Drops file in Windows directory 2 IoCs
description ioc Process 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 1888 sc.exe -
pid Process 2948 powershell.exe 3200 powershell.exe 1736 powershell.exe 2064 powershell.exe 4432 powershell.exe 1904 powershell.exe 3868 powershell.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 3200 schtasks.exe 524 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.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\1a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1904 powershell.exe 1904 powershell.exe 1904 powershell.exe 4896 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe 4896 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe 3868 powershell.exe 3868 powershell.exe 3868 powershell.exe 2948 powershell.exe 2948 powershell.exe 2948 powershell.exe 3200 powershell.exe 3200 powershell.exe 3200 powershell.exe 1736 powershell.exe 1736 powershell.exe 1736 powershell.exe 2064 powershell.exe 2064 powershell.exe 2064 powershell.exe 4432 powershell.exe 4432 powershell.exe 4432 powershell.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4988 csrss.exe 4988 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4988 csrss.exe 4988 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4988 csrss.exe 4988 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1904 powershell.exe Token: SeDebugPrivilege 4896 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Token: SeImpersonatePrivilege 4896 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe Token: SeDebugPrivilege 3868 powershell.exe Token: SeDebugPrivilege 2948 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 1736 powershell.exe Token: SeDebugPrivilege 2064 powershell.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeSystemEnvironmentPrivilege 4988 csrss.exe Token: SeSecurityPrivilege 1888 sc.exe Token: SeSecurityPrivilege 1888 sc.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4896 wrote to memory of 1904 4896 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe 74 PID 4896 wrote to memory of 1904 4896 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe 74 PID 4896 wrote to memory of 1904 4896 603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe 74 PID 4944 wrote to memory of 2276 4944 cmd.exe 83 PID 4944 wrote to memory of 2276 4944 cmd.exe 83 PID 4988 wrote to memory of 1736 4988 csrss.exe 89 PID 4988 wrote to memory of 1736 4988 csrss.exe 89 PID 4988 wrote to memory of 1736 4988 csrss.exe 89 PID 4988 wrote to memory of 2064 4988 csrss.exe 95 PID 4988 wrote to memory of 2064 4988 csrss.exe 95 PID 4988 wrote to memory of 2064 4988 csrss.exe 95 PID 4988 wrote to memory of 4432 4988 csrss.exe 98 PID 4988 wrote to memory of 4432 4988 csrss.exe 98 PID 4988 wrote to memory of 4432 4988 csrss.exe 98 PID 4988 wrote to memory of 4708 4988 csrss.exe 100 PID 4988 wrote to memory of 4708 4988 csrss.exe 100 PID 1932 wrote to memory of 764 1932 windefender.exe 107 PID 1932 wrote to memory of 764 1932 windefender.exe 107 PID 1932 wrote to memory of 764 1932 windefender.exe 107 PID 764 wrote to memory of 1888 764 cmd.exe 108 PID 764 wrote to memory of 1888 764 cmd.exe 108 PID 764 wrote to memory of 1888 764 cmd.exe 108 -
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\603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe"C:\Users\Admin\AppData\Local\Temp\603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1904
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C:\Users\Admin\AppData\Local\Temp\603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe"C:\Users\Admin\AppData\Local\Temp\603a1f03b05fad282dcc5dafe8c59247d055267be83d76cc5126ab2d85910e9b.exe"2⤵
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Modifies data under HKEY_USERS
PID:4960 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3868
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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:4944 -
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:2276
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3200
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- 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:4988 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736
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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:524
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:224
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432
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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:4708
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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:3200
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1932 -
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:764 -
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:1888
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2400
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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD533db38acc4d8c63ed4e6276e0e9da7c8
SHA1146774ba69903d6e0be51c077c377b7870517b56
SHA25625d44408ab810ab2efe657fe31f5ee02b1c486c083e58bf9b05cf40837477633
SHA512698648cd31c597c163e0f7c9662ec40d1efade83bc3e2a39432639f6e7af1560c4408494d1063729cb8d22699a5b8fbdc2bdb0c69a1f4d75fbf6be4d4c4cd2fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5fb1a1cd7d149c9c0ef6700d6b911db09
SHA1808214f2930b1b3edad0b0eb8da7f2f0e7423416
SHA2569393eb0c21625b006db7347c04d062a60133e73036820feb16aff975f1f811c1
SHA512afa0007a935b98b544ea79cf4b148e3e672118fa40e661d7c38c4a704f56b531fe13ae325272aea869a61458e56a963ce9e940adbdf39407777c09cf82723d4b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ae82a46cdfb240fca812bce99b1b5435
SHA1f8716f9c1b0f27c813406036f145b9dfba84ca28
SHA256760db3a059f71ef39a37eebe3a13a66acb032e6c87d774f1abc19c8696b34015
SHA512d1a3a9c15ac4ec3e8b5a31775a6ad2d24f86e811e4e21c57681dbf2ee60cb9ead5630f27fac3960c6cfd61d508f42091ced2bb1608502d391e04fb2897be8058
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD571bfeec74db21d2ad535afce1351acbf
SHA1ddc7aad98a0e29aac6ecb41824e75ba8252e4e26
SHA25637eded529b2b69c5ae3a958c3d3ff8dd4753460709a4ecf738c9dbad10bd91b8
SHA5129b667e0367411a1ec28058a548c7c274d9a724717faa582ef197ac3d0d8f88efa9e2285741cedf9026972f286f8f71bc41ebe9fe57766ee188de11f02ddcdd76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d7fa3d07fe9b1259052367cde218a3ba
SHA14b3049bce0ffc990c24f1c8044d3819f0710ea78
SHA256758d532d8542a28f034f0eedd56dbab0b12b08215e6977ffe542483ce2de7058
SHA512e1975a0076716fd7de5011c8efee245cf890319f0be731657ffbb9137e8dbbb7b3a8f8cbac0e1645ffa5fb91594ffe113d6453b7be22df08dae2595a60624ee5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec