Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 09:44
Static task
static1
Behavioral task
behavioral1
Sample
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe
Resource
win10v2004-20240508-en
General
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Target
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe
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Size
4.1MB
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MD5
ade05b63b500bf30521e60b42e391e81
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SHA1
204b3c3caa4d8c98fd93c4e76e61fb7c1bb53b3c
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SHA256
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673
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SHA512
07fd4ec3ffa6033b93940c587fa735786e88a0910618c82b5f2c4238f5499b61b406a2e6065d13c0aeef7c060ad662a7c72d484b34e644124f1ee8db7337ef5b
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SSDEEP
98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5U:8r7OagDbOPW/F2k5tRZaLrm
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/732-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/732-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/732-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/732-53-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3736-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3736-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-205-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3952-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3148 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3952 csrss.exe 3916 injector.exe 2340 windefender.exe 2712 windefender.exe -
resource yara_rule behavioral2/files/0x000500000002a96e-209.dat upx behavioral2/memory/2340-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2712-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2712-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2712-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 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 -
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 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe File created C:\Windows\rss\csrss.exe 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.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 3500 sc.exe -
pid Process 2852 powershell.exe 5084 powershell.exe 3744 powershell.exe 1588 powershell.exe 2060 powershell.exe 1156 powershell.exe 3316 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 276 schtasks.exe 5000 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.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\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5084 powershell.exe 5084 powershell.exe 732 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 732 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3744 powershell.exe 3744 powershell.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 1588 powershell.exe 1588 powershell.exe 2060 powershell.exe 2060 powershell.exe 1156 powershell.exe 1156 powershell.exe 3316 powershell.exe 3316 powershell.exe 2852 powershell.exe 2852 powershell.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3952 csrss.exe 3952 csrss.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3952 csrss.exe 3952 csrss.exe 3916 injector.exe 3916 injector.exe 3952 csrss.exe 3952 csrss.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe 3916 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 732 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Token: SeImpersonatePrivilege 732 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Token: SeDebugPrivilege 3744 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 2060 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 3316 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeSystemEnvironmentPrivilege 3952 csrss.exe Token: SeSecurityPrivilege 3500 sc.exe Token: SeSecurityPrivilege 3500 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 732 wrote to memory of 5084 732 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 81 PID 732 wrote to memory of 5084 732 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 81 PID 732 wrote to memory of 5084 732 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 81 PID 3736 wrote to memory of 3744 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 86 PID 3736 wrote to memory of 3744 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 86 PID 3736 wrote to memory of 3744 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 86 PID 3736 wrote to memory of 3636 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 88 PID 3736 wrote to memory of 3636 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 88 PID 3636 wrote to memory of 3148 3636 cmd.exe 90 PID 3636 wrote to memory of 3148 3636 cmd.exe 90 PID 3736 wrote to memory of 1588 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 91 PID 3736 wrote to memory of 1588 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 91 PID 3736 wrote to memory of 1588 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 91 PID 3736 wrote to memory of 2060 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 93 PID 3736 wrote to memory of 2060 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 93 PID 3736 wrote to memory of 2060 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 93 PID 3736 wrote to memory of 3952 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 95 PID 3736 wrote to memory of 3952 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 95 PID 3736 wrote to memory of 3952 3736 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 95 PID 3952 wrote to memory of 1156 3952 csrss.exe 96 PID 3952 wrote to memory of 1156 3952 csrss.exe 96 PID 3952 wrote to memory of 1156 3952 csrss.exe 96 PID 3952 wrote to memory of 3316 3952 csrss.exe 102 PID 3952 wrote to memory of 3316 3952 csrss.exe 102 PID 3952 wrote to memory of 3316 3952 csrss.exe 102 PID 3952 wrote to memory of 2852 3952 csrss.exe 104 PID 3952 wrote to memory of 2852 3952 csrss.exe 104 PID 3952 wrote to memory of 2852 3952 csrss.exe 104 PID 3952 wrote to memory of 3916 3952 csrss.exe 107 PID 3952 wrote to memory of 3916 3952 csrss.exe 107 PID 2340 wrote to memory of 3668 2340 windefender.exe 118 PID 2340 wrote to memory of 3668 2340 windefender.exe 118 PID 2340 wrote to memory of 3668 2340 windefender.exe 118 PID 3668 wrote to memory of 3500 3668 cmd.exe 119 PID 3668 wrote to memory of 3500 3668 cmd.exe 119 PID 3668 wrote to memory of 3500 3668 cmd.exe 119 -
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\4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe"C:\Users\Admin\AppData\Local\Temp\4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5084
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C:\Users\Admin\AppData\Local\Temp\4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe"C:\Users\Admin\AppData\Local\Temp\4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.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:3736 -
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:3744
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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:3636 -
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:3148
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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:1588
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2060
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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:3952 -
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:1156
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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:276
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1332
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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:3316
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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:2852
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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:3916
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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:5000
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2340 -
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:3668 -
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:3500
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2712
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
MD5d2933cd1dcd9583130865a510ab9a89c
SHA163d47ffb3e6418ff00e9800a1ef10d1cd2204bd5
SHA256555fc37a6eea50c3f6ff41ccad91004692ef007cca16f474ac2f8c664e29a0af
SHA512f34154d6f37a19494f5b46d516ac085181b024547290d08cf10f99a0088ff22792071f2139c361f8ce93f031d4f8521db321c79a02136706d3fc57d0f59f7a78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54410c28183c2019dc449d5eb4ec953c0
SHA11ce883d5ed9ed357dbfa637340309bf9115ecd16
SHA25655daf44f07b262626ac4391d3c044f4f78e27a75889a7ec604d1ba79a8a3a1bf
SHA5127af84769d46c00e2bc7cd8b73d4612bc3aed62608f792204273b3a938bf4cf7c77fc42c610a983212568c3d1f3889343c8855bedcbf9965ce542fe658efb11bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526e29a4f6e2e005df0207a236c22761c
SHA1f7549d9c3527b40e6252a2ac4b19d587dc60c48c
SHA2563772bc93f3dff5d4d34d855e7f05c59b592dc56798940def399ec556c03c77ed
SHA5126b79059dd4c271e2337d9f2287f87c5fa1d807e4c71516eb455dd31d088dceb9d919b67f3de8f94113223f3a5e5bd746ca8a2c124b700b7c75f56bbc50132c5d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51488fb13379d5e718f97bba822bc97a7
SHA1d7a4a2cb1d1994cd6d81be0e6c0bd60f4dbabafb
SHA256302edbe6177dbeac0a5f4d59074465f9e4836c7dc0c82d24800b17e3a4aa3ab4
SHA512071d6a09ca1abb1597831918e62856d9c9313a437af0bdb9c15357def95827d7b7bb12f93f22ae48a11302d663a6c19b3d0b100db67b26df28eb7c1907d28619
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522444af6333323dc54fd4cb6d8d34b5e
SHA16c6b50c04bcee112be7a682be1e39d1e00b820da
SHA25638fd8225fa2062a56f6e6b96f28f2b33bf6a9b9f01d981d1630cbd581d7d0edc
SHA512bdf5f93fd5f4cac1126f8c69a14670f583cd0f1f5c4a6f6928b33899446663aebe88cb1bbdc403c85c833cc627f3974433dd4dd7f9f81ae47f8ce86ae8333627
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Filesize
4.1MB
MD5ade05b63b500bf30521e60b42e391e81
SHA1204b3c3caa4d8c98fd93c4e76e61fb7c1bb53b3c
SHA2564bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673
SHA51207fd4ec3ffa6033b93940c587fa735786e88a0910618c82b5f2c4238f5499b61b406a2e6065d13c0aeef7c060ad662a7c72d484b34e644124f1ee8db7337ef5b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec