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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 13:47
Static task
static1
Behavioral task
behavioral1
Sample
00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe
Resource
win10v2004-20240226-en
General
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Target
00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe
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Size
4.2MB
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MD5
0ca3230e307d4c5bd41cdac18b4decf3
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SHA1
90757387b25027eb83cdde90c19789e728b63d4a
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SHA256
00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d
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SHA512
63eafe5e01f6f9cefeaa3f5dea516da145b4d4e31dc3941e7786edd68b0b96943692a32afcd8cade09e9d838b86202f4436aabd2c647f1c83b63dd4dff2534f4
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SSDEEP
98304:bExEs55xf8GHMBKiQKMrzknH+JPsK7X9VwrtuPW6MilW/VZe186:65LTMBKiPgz/xsKjwsW6rlW9N6
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4440-2-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral1/memory/4440-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4440-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4440-58-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral1/memory/4964-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-155-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-283-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4448-292-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4808 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4448 csrss.exe 3060 injector.exe 2840 windefender.exe 2964 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023355-258.dat upx behavioral1/files/0x0008000000023355-261.dat upx behavioral1/memory/2840-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2964-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2964-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\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 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe File created C:\Windows\rss\csrss.exe 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.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 1780 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3768 schtasks.exe 4540 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.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\22\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco 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\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3844 powershell.exe 3844 powershell.exe 3844 powershell.exe 4440 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4440 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 1424 powershell.exe 1424 powershell.exe 1424 powershell.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 348 powershell.exe 348 powershell.exe 348 powershell.exe 3480 powershell.exe 3480 powershell.exe 3480 powershell.exe 3388 powershell.exe 3388 powershell.exe 3388 powershell.exe 3844 powershell.exe 3844 powershell.exe 3844 powershell.exe 884 powershell.exe 884 powershell.exe 884 powershell.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 4448 csrss.exe 4448 csrss.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 4448 csrss.exe 4448 csrss.exe 3060 injector.exe 3060 injector.exe 4448 csrss.exe 4448 csrss.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe 3060 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3844 powershell.exe Token: SeDebugPrivilege 4440 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Token: SeImpersonatePrivilege 4440 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Token: SeDebugPrivilege 1424 powershell.exe Token: SeDebugPrivilege 348 powershell.exe Token: SeDebugPrivilege 3480 powershell.exe Token: SeDebugPrivilege 3388 powershell.exe Token: SeDebugPrivilege 3844 powershell.exe Token: SeDebugPrivilege 884 powershell.exe Token: SeSystemEnvironmentPrivilege 4448 csrss.exe Token: SeSecurityPrivilege 1780 sc.exe Token: SeSecurityPrivilege 1780 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4440 wrote to memory of 3844 4440 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 111 PID 4440 wrote to memory of 3844 4440 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 111 PID 4440 wrote to memory of 3844 4440 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 111 PID 4964 wrote to memory of 1424 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 108 PID 4964 wrote to memory of 1424 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 108 PID 4964 wrote to memory of 1424 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 108 PID 4964 wrote to memory of 1956 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 123 PID 4964 wrote to memory of 1956 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 123 PID 1956 wrote to memory of 4808 1956 cmd.exe 112 PID 1956 wrote to memory of 4808 1956 cmd.exe 112 PID 4964 wrote to memory of 348 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 113 PID 4964 wrote to memory of 348 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 113 PID 4964 wrote to memory of 348 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 113 PID 4964 wrote to memory of 3480 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 115 PID 4964 wrote to memory of 3480 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 115 PID 4964 wrote to memory of 3480 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 115 PID 4964 wrote to memory of 4448 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 117 PID 4964 wrote to memory of 4448 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 117 PID 4964 wrote to memory of 4448 4964 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 117 PID 4448 wrote to memory of 3388 4448 csrss.exe 118 PID 4448 wrote to memory of 3388 4448 csrss.exe 118 PID 4448 wrote to memory of 3388 4448 csrss.exe 118 PID 4448 wrote to memory of 3844 4448 csrss.exe 124 PID 4448 wrote to memory of 3844 4448 csrss.exe 124 PID 4448 wrote to memory of 3844 4448 csrss.exe 124 PID 4448 wrote to memory of 884 4448 csrss.exe 127 PID 4448 wrote to memory of 884 4448 csrss.exe 127 PID 4448 wrote to memory of 884 4448 csrss.exe 127 PID 4448 wrote to memory of 3060 4448 csrss.exe 129 PID 4448 wrote to memory of 3060 4448 csrss.exe 129 PID 2840 wrote to memory of 3968 2840 windefender.exe 136 PID 2840 wrote to memory of 3968 2840 windefender.exe 136 PID 2840 wrote to memory of 3968 2840 windefender.exe 136 PID 3968 wrote to memory of 1780 3968 cmd.exe 137 PID 3968 wrote to memory of 1780 3968 cmd.exe 137 PID 3968 wrote to memory of 1780 3968 cmd.exe 137 -
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\00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe"C:\Users\Admin\AppData\Local\Temp\00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3844
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C:\Users\Admin\AppData\Local\Temp\00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe"C:\Users\Admin\AppData\Local\Temp\00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.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:4964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1424
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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:1956 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV14⤵PID:3844
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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:4808
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:348
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3480
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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:4448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3388
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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:3768
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1956
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3844
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:884
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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:3060
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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:4540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2840 -
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:3968 -
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:1780
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=3136,i,3192284747741020952,1225278682167953346,262144 --variations-seed-version /prefetch:81⤵PID:4692
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2964
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5179b2ae78cb69ff30655a3b9d90316d3
SHA18b5187005a88f8a923bed862500250248962259e
SHA256fb9b387ccfc1e525718346c85500ca69eada1a1d7240c6e0f01f466ceaaa8923
SHA512c128ac62b4ac8c584868e3298876e9a6913b366d637ccf29e34abedd2bb19e358c53f9ff10daa23cb95edb2288c828b8ec5b79d6b35fbdf9eb08cbb393e97194
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56286be28ad7be829ec84a53d16cb2973
SHA10e5d57fda2d532b1954290a69ab1085935047db2
SHA2564843b7b97df3a1443749a939aa9c1e46fb11ef21deab919b390d776e23dd36bd
SHA5122c0441a76acecdce6780d91e0b1744e431451cca17ef269be18c32bcfcdd85555a8b8fd2fc10f014c3eebbc5ebd5cd0db496f8ad58648a1b8f30f08170b22e73
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a2ccdcab9851d9b4d926540e21938e5
SHA177019d0b8d914e818b8c89aa1019073a528f55eb
SHA25620a9d144c7c468be96d1f1d36893dcd7e405af9d1a5501ecd49e876c5f455250
SHA51234daa6ddfe652b4d1279212e049e01ac3368fb5bc585bc128a95ee8f565d5aeccaa6a0751bc9f195ba23463750817add4fcb9024087b0da01c7ddaf6342a258e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5300d3216836379e018160a013df765a9
SHA123173f9170c824c8bc7c1b470744db0159d18b63
SHA256da53cd94fd8d0ebed2fa8f92e5732fdc101c4ebf6ab931b2a56507f28d51d60f
SHA51224caa7c18e5f1bea777802ebd1bf991cff5337eeb0bb17aab4e44f173e3ed658f99e481027438ec00b87f581e0030173bd8512b28a2f3a571bb2895bcc93264e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bea71225257dd705f15ec7c3f9d69432
SHA1fd761a03367761a815762fefe4cecb93db5e7e3f
SHA256380345a8bdda92778c391aa6753118a54cffd16cd6a7021c977449b3155f06dc
SHA51287cc65441f977c66dc9672a8bfa0f8fa0b94045adfd00bc34d57c85afdaec084c2e6bf31bd7891ea5097bf37ebfc867c55a2061006c40bd7ac538438407eef11
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Filesize
768KB
MD5bf3cf61bfc2cb0447edf63a4daee02db
SHA1b2b07642142c43b5f694eec4f88a7d0c8e89bc16
SHA25651c3b458015e47472b4056f580eb6a99a49fc3a16df76f84ec5c02cde806ec4b
SHA512793ff84db192723b1af702a897883c23c8f6c2c9a407394ebe2b2b6e0faf148010775721c99483afcfaa29cae3bae50b125ecff65f7b1bdd7e7e54e436a6d070
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Filesize
1.2MB
MD54b678ac7a09cb36fd158ccff652a070f
SHA17125d7337b7e2a8824968dd7230ec2042264e46f
SHA2561749bec70b92368905771103aa3ab91d2529d2b10e62c834f84e15c229273597
SHA512b571257a931f7621a46fb810fbbb7b5a17962aafefc7c4becc708a6c6f2e5802a110160569d2672c5ed82f07d8cb8a548da5c7914cb982b8ffe90ab6d1ce6bf1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
320KB
MD51979856034a3a313f7b93f5fcedafb20
SHA1acf54ed630900816388db93b2a4339cd8f0982b1
SHA25658bf0600ff9c3dd534904ef1173ce2ed822df9846a98fff5e055757e60a1b28d
SHA51276aed4535d8397d02f2ae8677665a8fe3c2876ec0d3ad8d70b2d11a49301041fce14e66fe19d8250c027182b16d5c74409179ab00b08731ffa85a394293fad00