Analysis
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max time kernel
150s -
max time network
149s -
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 04:23
Static task
static1
Behavioral task
behavioral1
Sample
cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe
Resource
win10v2004-20240508-en
General
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Target
cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe
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Size
4.1MB
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MD5
e9cb107d85302cd026b447dbbe321336
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SHA1
6b6eea20cc1e8b5023d9787582b3a3b8c001f1ae
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SHA256
cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a
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SHA512
827e69fb2c00f7153c485835cc37af6416b68a799628795867a2b7d7cfad4762403ded4e7b5f25644b7f6d7b0f75f3b4d4312f1bf850804c18a7205fc092f5c2
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SSDEEP
98304:p96GAmuNBigEkoqfZTwC6uGlBZNljS4jcV:pI9hoq9wC6uGlB/xgV
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3928-2-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral2/memory/3928-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-52-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral2/memory/3928-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-148-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-207-0x0000000002A30000-0x0000000002E2C000-memory.dmp family_glupteba behavioral2/memory/2680-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 932 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2680 csrss.exe 1908 injector.exe 560 windefender.exe 1360 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3b-206.dat upx behavioral2/memory/560-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/560-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1360-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1360-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
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 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe File created C:\Windows\rss\csrss.exe cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.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 4084 sc.exe -
pid Process 1168 powershell.exe 3724 powershell.exe 4200 powershell.exe 3752 powershell.exe 1992 powershell.exe 2684 powershell.exe 4664 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 1864 schtasks.exe 1848 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.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\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia 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" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1992 powershell.exe 1992 powershell.exe 3928 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 3928 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 2684 powershell.exe 2684 powershell.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 4664 powershell.exe 4664 powershell.exe 1168 powershell.exe 1168 powershell.exe 3724 powershell.exe 3724 powershell.exe 4200 powershell.exe 4200 powershell.exe 3752 powershell.exe 3752 powershell.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 2680 csrss.exe 2680 csrss.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 2680 csrss.exe 2680 csrss.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 2680 csrss.exe 2680 csrss.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1992 powershell.exe Token: SeDebugPrivilege 3928 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Token: SeImpersonatePrivilege 3928 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe Token: SeDebugPrivilege 2684 powershell.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 1168 powershell.exe Token: SeDebugPrivilege 3724 powershell.exe Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 3752 powershell.exe Token: SeSystemEnvironmentPrivilege 2680 csrss.exe Token: SeSecurityPrivilege 4084 sc.exe Token: SeSecurityPrivilege 4084 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3928 wrote to memory of 1992 3928 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 82 PID 3928 wrote to memory of 1992 3928 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 82 PID 3928 wrote to memory of 1992 3928 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 82 PID 4916 wrote to memory of 2684 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 87 PID 4916 wrote to memory of 2684 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 87 PID 4916 wrote to memory of 2684 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 87 PID 4916 wrote to memory of 1960 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 89 PID 4916 wrote to memory of 1960 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 89 PID 1960 wrote to memory of 932 1960 cmd.exe 91 PID 1960 wrote to memory of 932 1960 cmd.exe 91 PID 4916 wrote to memory of 4664 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 92 PID 4916 wrote to memory of 4664 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 92 PID 4916 wrote to memory of 4664 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 92 PID 4916 wrote to memory of 1168 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 94 PID 4916 wrote to memory of 1168 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 94 PID 4916 wrote to memory of 1168 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 94 PID 4916 wrote to memory of 2680 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 96 PID 4916 wrote to memory of 2680 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 96 PID 4916 wrote to memory of 2680 4916 cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe 96 PID 2680 wrote to memory of 3724 2680 csrss.exe 97 PID 2680 wrote to memory of 3724 2680 csrss.exe 97 PID 2680 wrote to memory of 3724 2680 csrss.exe 97 PID 2680 wrote to memory of 4200 2680 csrss.exe 103 PID 2680 wrote to memory of 4200 2680 csrss.exe 103 PID 2680 wrote to memory of 4200 2680 csrss.exe 103 PID 2680 wrote to memory of 3752 2680 csrss.exe 105 PID 2680 wrote to memory of 3752 2680 csrss.exe 105 PID 2680 wrote to memory of 3752 2680 csrss.exe 105 PID 2680 wrote to memory of 1908 2680 csrss.exe 107 PID 2680 wrote to memory of 1908 2680 csrss.exe 107 PID 560 wrote to memory of 4220 560 windefender.exe 113 PID 560 wrote to memory of 4220 560 windefender.exe 113 PID 560 wrote to memory of 4220 560 windefender.exe 113 PID 4220 wrote to memory of 4084 4220 cmd.exe 114 PID 4220 wrote to memory of 4084 4220 cmd.exe 114 PID 4220 wrote to memory of 4084 4220 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\cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe"C:\Users\Admin\AppData\Local\Temp\cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992
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C:\Users\Admin\AppData\Local\Temp\cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.exe"C:\Users\Admin\AppData\Local\Temp\cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a.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:4916 -
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:2684
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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:1960 -
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:932
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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:4664
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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:1168
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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:2680 -
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:3724
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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:1864
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3572
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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:4200
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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:3752
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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:1908
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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:1848
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:560 -
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:4220 -
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:4084
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1360
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
MD5d9094877edc6cdc3d21c11885d423463
SHA169786b1db25d20cafa360864fccb6d45f784259d
SHA25636768aab5f34415ccfe664bd08802ac851e0f9c6d3103044b1656fbf56b6a55e
SHA512ab147599cb0e7f2be456939e21c861e2aa91d62a5a5a0f588e6cda84116d0d21b9666bac3e1aacaaa4a6f97e0e32d2049525f92bb42b19b1073749bc99983b27
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f658e378d3483712ab0a6a714d4780d1
SHA1fa3947972d6312ce31972a308cb746f7257742d5
SHA256b03065c3ea53253405d81db0cbd380106248f45b6e209468e416aeb7f94ca8d0
SHA5127bc98f5ae914f85558040dadef9875c49e314f2b92232a9b3ba6821f4aebd88132d2a5f25e2a5b3f516b7c6575b3dd7c5510ec0e75058bfcb65a7e73d7658852
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fb4c8da578a1258fdb425368d9c070f
SHA1f04f341aa1581138b84247f2d453f361932ec5f1
SHA2563c220698abdabbf2969e7859ca6bfdd1cb106f588c012ce64a12cfa8f5cdc8a2
SHA51239253128f720d71352cc35518aa7d9a4c002d1bf19bfb812465b6efcb4a2914ab338e66fa298e53d37495154361f752b83f8901b15f04e2a0b0d7e2845f9dadc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53dcdf32987ff4da1adf6f0879d25cef8
SHA11a1c4d4bf489fc5d095940ab88e713d05de9195d
SHA256d0317e6cb13003978bb43948ec9d9170dfa361fd3d7b072a833fcc0a9d41ce4f
SHA512e4473b1ed60f9c8ee2a6ddabd93b1a45e843b986d0b51bea0ed825ecbefe4f41843622e39ebf53e4fd66614914444da30b703b89385c8d68c0a921018f31b212
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5427b1a125d27cfe1c75c9bc4b25ce5b0
SHA18fee54eb74babc8b60a556edb49fed2e9a36c700
SHA2565e7b1d33f3288995e4fc00566893f83d1eaa76c0fecb8c453db27ac0db6b013a
SHA512bba27012b19f3c3800bb3cf0744d4be59f1273d4d3640b47440e941fa0edc58c07a6c21164bc1d21a733676a95273bbac54010e7172d2f1317a14483f3984e3a
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Filesize
4.1MB
MD5e9cb107d85302cd026b447dbbe321336
SHA16b6eea20cc1e8b5023d9787582b3a3b8c001f1ae
SHA256cf7cf7abeb70e253aaaf9d9e106ceb7cfdb25076836ef91dd1aed3598d9e523a
SHA512827e69fb2c00f7153c485835cc37af6416b68a799628795867a2b7d7cfad4762403ded4e7b5f25644b7f6d7b0f75f3b4d4312f1bf850804c18a7205fc092f5c2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec