Analysis
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max time kernel
149s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:18
Static task
static1
Behavioral task
behavioral1
Sample
1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe
Resource
win10v2004-20240426-en
General
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Target
1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe
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Size
4.1MB
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MD5
b50888fc0b0a1d04f2ff4a3a7bd23f51
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SHA1
ce131e91e553af9cab999f906d1d2a5d86ee8421
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SHA256
1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394
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SHA512
244981d4fb8815e518e585616e3f125f1250b9173790d8c5ef72a0b0e679bdf488ada39145110465f3598dd98c167675f67b97305b98dabe784c21ca3e865724
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SSDEEP
98304:yoJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/i+:ygrNPOj9FQvccBDkmyddxD3VFi+
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3588-2-0x0000000004E60000-0x000000000574B000-memory.dmp family_glupteba behavioral2/memory/3588-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3588-23-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3588-53-0x0000000004E60000-0x000000000574B000-memory.dmp family_glupteba behavioral2/memory/3588-54-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3588-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2404-75-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2404-130-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-132-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-200-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-211-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4320-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2408 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4320 csrss.exe 4276 injector.exe 1692 windefender.exe 2952 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab25-210.dat upx behavioral2/memory/1692-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2952-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1692-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2952-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2952-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe File created C:\Windows\rss\csrss.exe 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.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 1740 sc.exe -
pid Process 4280 powershell.exe 1832 powershell.exe 788 powershell.exe 3708 powershell.exe 1900 powershell.exe 2012 powershell.exe 1236 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 3468 schtasks.exe 1312 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\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-281 = "Central Europe 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard 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\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1832 powershell.exe 1832 powershell.exe 3588 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 3588 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 788 powershell.exe 788 powershell.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 3708 powershell.exe 3708 powershell.exe 1900 powershell.exe 1900 powershell.exe 2012 powershell.exe 2012 powershell.exe 1236 powershell.exe 1236 powershell.exe 4280 powershell.exe 4280 powershell.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4320 csrss.exe 4320 csrss.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4320 csrss.exe 4320 csrss.exe 4320 csrss.exe 4320 csrss.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 3588 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Token: SeImpersonatePrivilege 3588 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Token: SeDebugPrivilege 788 powershell.exe Token: SeDebugPrivilege 3708 powershell.exe Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 2012 powershell.exe Token: SeDebugPrivilege 1236 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeSystemEnvironmentPrivilege 4320 csrss.exe Token: SeSecurityPrivilege 1740 sc.exe Token: SeSecurityPrivilege 1740 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3588 wrote to memory of 1832 3588 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 82 PID 3588 wrote to memory of 1832 3588 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 82 PID 3588 wrote to memory of 1832 3588 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 82 PID 2404 wrote to memory of 788 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 87 PID 2404 wrote to memory of 788 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 87 PID 2404 wrote to memory of 788 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 87 PID 2404 wrote to memory of 2440 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 89 PID 2404 wrote to memory of 2440 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 89 PID 2440 wrote to memory of 2408 2440 cmd.exe 91 PID 2440 wrote to memory of 2408 2440 cmd.exe 91 PID 2404 wrote to memory of 3708 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 92 PID 2404 wrote to memory of 3708 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 92 PID 2404 wrote to memory of 3708 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 92 PID 2404 wrote to memory of 1900 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 94 PID 2404 wrote to memory of 1900 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 94 PID 2404 wrote to memory of 1900 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 94 PID 2404 wrote to memory of 4320 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 96 PID 2404 wrote to memory of 4320 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 96 PID 2404 wrote to memory of 4320 2404 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 96 PID 4320 wrote to memory of 2012 4320 csrss.exe 97 PID 4320 wrote to memory of 2012 4320 csrss.exe 97 PID 4320 wrote to memory of 2012 4320 csrss.exe 97 PID 4320 wrote to memory of 1236 4320 csrss.exe 102 PID 4320 wrote to memory of 1236 4320 csrss.exe 102 PID 4320 wrote to memory of 1236 4320 csrss.exe 102 PID 4320 wrote to memory of 4280 4320 csrss.exe 105 PID 4320 wrote to memory of 4280 4320 csrss.exe 105 PID 4320 wrote to memory of 4280 4320 csrss.exe 105 PID 4320 wrote to memory of 4276 4320 csrss.exe 107 PID 4320 wrote to memory of 4276 4320 csrss.exe 107 PID 1692 wrote to memory of 2616 1692 windefender.exe 113 PID 1692 wrote to memory of 2616 1692 windefender.exe 113 PID 1692 wrote to memory of 2616 1692 windefender.exe 113 PID 2616 wrote to memory of 1740 2616 cmd.exe 114 PID 2616 wrote to memory of 1740 2616 cmd.exe 114 PID 2616 wrote to memory of 1740 2616 cmd.exe 114 -
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\1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe"C:\Users\Admin\AppData\Local\Temp\1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1832
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C:\Users\Admin\AppData\Local\Temp\1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe"C:\Users\Admin\AppData\Local\Temp\1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.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:2404 -
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:788
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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:2440 -
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:2408
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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:3708
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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:1900
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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:4320 -
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:2012
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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:3468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4760
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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:1236
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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:4280
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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:4276
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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:1312
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1692 -
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:2616 -
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:1740
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2952
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fe6a8197c340e0adfb8b9d21b6654db
SHA1b91b4f87912a903788c92bd695f6cbf0f6975edc
SHA256dfe20c2353cc8df7c85a177c5a3160acdfe157dfe7a1e71bfd291eb54f2421a2
SHA51217ae6e1d8239407230cdf8112ea7c6225eb0b04964a72d738d3364c3b61d9f9ba423cfc2a7c3be2583c09e486239d82daa36c02e41eb4d8e9b7d72ec387c6085
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f4770afd849b9c57340d629b501cfbe1
SHA19a620e64e7de200d1f7e3e3fd269a7a13c5aa41f
SHA256f472371879ca06cb9f4b0ff85995be3a4c6efbc407a6094d58d4ba4eefc64ec7
SHA512a859cc0ab27fdd8f3e53d7534d33fff75d174aaaf8c3ac047b8056faefaecdc5dbf6dc08fd88bb5115801a9afff3239e953a4c4e85aa2c089c37006715002b03
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb5773d63d1d2a94a10ae8054e907e21
SHA1399aa5c22ccc5f136c9b0a28950eda26c39803e1
SHA256ee813eed464003e43e641e45543652a395c875759f873eb1dcc915aec7dbdf0c
SHA512d8e5108f655708faa29580cfd39c31d6f341eb175b64dd616dd573f2aa26f7f359325c4d46cc4251fd81a7b1884f78951eae1f1350a1832520dc00f78d5ae0ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5697f346d3d353ef1aeb51610c4fab68a
SHA13c75ce23e3104ca7a1eaa56a605c02ef2518629e
SHA256e0afd52a0162be8146f957e6fae81b4fc42febfdadfe2328e8a37777879f260d
SHA5127b0fb4d3990fd7f592cb8b09f6b916b2ebc3bf33820cce43a7b49b06208e48a7dd937336b0273807602b6b1dc01bdd172a9e81c035ab8151c04b8c1d095cb886
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8337349c117c1306f1b2417e7109de6
SHA1a2bf13d6658993c1267fb52f6ed7172e08cdc30b
SHA2560fac5352abdc35ef7bc9f011e1ce41ffd52aa18cd21ceaa43446a050b427d744
SHA5125a506469818ace73a54b2f1aa991568fcc76def09f397a7640430ede1dc75d0dd26cce015a4c08678f2b3b031b885faee5b0660c48e35cde27a3e8cf1bfcb5d1
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Filesize
4.1MB
MD5b50888fc0b0a1d04f2ff4a3a7bd23f51
SHA1ce131e91e553af9cab999f906d1d2a5d86ee8421
SHA2561f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394
SHA512244981d4fb8815e518e585616e3f125f1250b9173790d8c5ef72a0b0e679bdf488ada39145110465f3598dd98c167675f67b97305b98dabe784c21ca3e865724
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec