Analysis
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max time kernel
149s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
27/03/2024, 20:30
Static task
static1
Behavioral task
behavioral1
Sample
210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe
Resource
win10v2004-20240319-en
General
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Target
210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe
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Size
4.1MB
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MD5
2fdba0ec033fe718033217e9a99fa666
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SHA1
ccf05bb1d3492bcec9ac02487ff3dea3636f745e
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SHA256
210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185
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SHA512
70b1de69cb32b730c3ba06cdacea23472f649a00d4e1d88bd41b9795128c7574714dd4c717e2e8eda0f94b42c8ad5c6556974ff6c83670d58c53e9730def22db
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SSDEEP
98304:dKRgzbnrqlEHV+iMzOaisXYsZYj1np6b4jV9X/fWiGsrCqzq8l:FrQuavOhUbMV9MsrCs
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4928-2-0x0000000003220000-0x0000000003B0B000-memory.dmp family_glupteba behavioral2/memory/4928-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4928-53-0x0000000003220000-0x0000000003B0B000-memory.dmp family_glupteba behavioral2/memory/460-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4928-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/460-178-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-284-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-293-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3352-297-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1948 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3352 csrss.exe 1280 injector.exe 4172 windefender.exe 4756 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7f1-247.dat upx behavioral2/memory/4172-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4756-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4756-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe File created C:\Windows\rss\csrss.exe 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.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 2148 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 1556 schtasks.exe 244 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\22\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.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\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\22\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4312 powershell.exe 4312 powershell.exe 4928 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 4928 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 4208 powershell.exe 4208 powershell.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 1972 powershell.exe 1972 powershell.exe 560 powershell.exe 560 powershell.exe 1360 powershell.exe 1360 powershell.exe 3332 powershell.exe 3332 powershell.exe 1756 powershell.exe 1756 powershell.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 3352 csrss.exe 3352 csrss.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 3352 csrss.exe 3352 csrss.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 3352 csrss.exe 3352 csrss.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 4928 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Token: SeImpersonatePrivilege 4928 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe Token: SeDebugPrivilege 4208 powershell.exe Token: SeDebugPrivilege 1972 powershell.exe Token: SeDebugPrivilege 560 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 1756 powershell.exe Token: SeSystemEnvironmentPrivilege 3352 csrss.exe Token: SeSecurityPrivilege 2148 sc.exe Token: SeSecurityPrivilege 2148 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4928 wrote to memory of 4312 4928 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 79 PID 4928 wrote to memory of 4312 4928 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 79 PID 4928 wrote to memory of 4312 4928 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 79 PID 460 wrote to memory of 4208 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 84 PID 460 wrote to memory of 4208 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 84 PID 460 wrote to memory of 4208 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 84 PID 460 wrote to memory of 1508 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 86 PID 460 wrote to memory of 1508 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 86 PID 1508 wrote to memory of 1948 1508 cmd.exe 88 PID 1508 wrote to memory of 1948 1508 cmd.exe 88 PID 460 wrote to memory of 1972 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 89 PID 460 wrote to memory of 1972 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 89 PID 460 wrote to memory of 1972 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 89 PID 460 wrote to memory of 560 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 91 PID 460 wrote to memory of 560 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 91 PID 460 wrote to memory of 560 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 91 PID 460 wrote to memory of 3352 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 93 PID 460 wrote to memory of 3352 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 93 PID 460 wrote to memory of 3352 460 210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe 93 PID 3352 wrote to memory of 1360 3352 csrss.exe 94 PID 3352 wrote to memory of 1360 3352 csrss.exe 94 PID 3352 wrote to memory of 1360 3352 csrss.exe 94 PID 3352 wrote to memory of 3332 3352 csrss.exe 100 PID 3352 wrote to memory of 3332 3352 csrss.exe 100 PID 3352 wrote to memory of 3332 3352 csrss.exe 100 PID 3352 wrote to memory of 1756 3352 csrss.exe 102 PID 3352 wrote to memory of 1756 3352 csrss.exe 102 PID 3352 wrote to memory of 1756 3352 csrss.exe 102 PID 3352 wrote to memory of 1280 3352 csrss.exe 104 PID 3352 wrote to memory of 1280 3352 csrss.exe 104 PID 4172 wrote to memory of 1612 4172 windefender.exe 110 PID 4172 wrote to memory of 1612 4172 windefender.exe 110 PID 4172 wrote to memory of 1612 4172 windefender.exe 110 PID 1612 wrote to memory of 2148 1612 cmd.exe 111 PID 1612 wrote to memory of 2148 1612 cmd.exe 111 PID 1612 wrote to memory of 2148 1612 cmd.exe 111 -
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\210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe"C:\Users\Admin\AppData\Local\Temp\210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4312
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C:\Users\Admin\AppData\Local\Temp\210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.exe"C:\Users\Admin\AppData\Local\Temp\210499b1ec1a8f861d4839db3b6ab29be039c6e4cb7adf11da04ba0904f9c185.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:460 -
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:4208
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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:1508 -
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:1948
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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:1972
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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:560
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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:3352 -
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:1360
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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:1556
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2264
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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:3332
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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:1756
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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:1280
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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:244
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4172 -
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:1612 -
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:2148
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4756
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD584051e6901473edd5e025d8774ac76f2
SHA1755616d828ad6b76c0781418b9b6084bb850706f
SHA25619a34c914e4c6eb6fd05212c58aa415c83e820c7bad6b852fe147db67bb0bafd
SHA5124dea9d84c3e7f68b3a98d31884ad5b7b2cead31691fbafb7f6159ae4ef10406bdabc3be19a0187d38f4fcc14c0c951d3b84b0f1bd9fab54584d472d39272e937
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50df7f4a26683449cf0eeb9b726f076ea
SHA1c74c597b074c47d3b2ab27b5098a7c71743a8690
SHA256f67404f20384a1ebde7ef2f76c6aba02ff9dff7447da75006ca46b0effa50006
SHA51225755a8185d77897c9c27944901a9297a0390685360ada6e8114bfd54ade2ec88c227f1cfee6326b4e782791ddbec3d6894c1df046a16e23766d30565ebd8260
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c8af37c5a14cb612a92a23273ac900d
SHA19416c8fb21ff439ba9deeec4d4a593c8cf4f842d
SHA256a9d31f6c5fa2aa5a3ddba670f994082f405498e2c2343900026db67cc79338e1
SHA512f9a5e9e72db2572f45b3cbeb3b2f718bf35e17aabba1934803f66572aa2048e182536c6fa27ce76837b6afc49d00736b642187550eaaf50f7546154900625acb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d3be5035e0b634070db83fbc580d59e
SHA13e384db79e1372928d8430f0e52d7d4574ecbc9b
SHA25611062d4be691aec2420f2b5216183c27f383c1bf2f8f97f4d4ef7b7955c2f05d
SHA512fd19c04f1ca425155375dd3ad1f76667acc1b2e3372631965619200d6b624e161ef9a29eb0c1e337969fbde1efbf0ea4b2c93b903d5ab022386a729f0fdf7018
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54972b5eb6069d69e534887b808e8f55c
SHA10c19fd184b53693064dd0236557c8df85b91d5f9
SHA2567e67f4d773d1ac2c2cab70d41989ba06ae9976c05a2921af0639626b3b0ff490
SHA512724b463468312a2a2f04867c1e0c05e72bf6f99ee9160220519b77a55a0b2055206620de116ac0a565ee458aee6d081c9b885ad7eb5a0496bbe7d9c32cd00372
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Filesize
1.3MB
MD5198dae5a86887f821d49199389cb1d84
SHA1daee7ec6d5d0219027f5476214eeed0f1401907c
SHA2561241cd18742b2b8ba62867f6b28c8ce3feb439a9c4ca28e8856721f92834a07b
SHA512d656851e2d13a9949b59c8054fe3287e4bae3527d2625eb2ae6b802f65faef43777e5e7fcd9f18a70da70b26435dbe9f86c7946c1433ca47f31ce0f448d8fc4d
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Filesize
1.2MB
MD5b8fc5db941302a6cbc2d3075119a5509
SHA1cd235efbdf49656be331adf3cb46a0e202830bce
SHA25615d994841a14eb5dc7cc99b2b906ce2eea7a74b9e8f867e0435a596bd1ccb6a0
SHA5126eadac8e8ca8cd777c5b2d37eb1ca1f4e4a9883eed3e24e6c5fa9cb128dae94759b23c80f421e5542a20285c32ec6320d4b2cb733f9f30e40d8462a398071115
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec