Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe
Resource
win10v2004-20240226-en
General
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Target
7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe
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Size
4.1MB
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MD5
1cefd2d8077751fe52f2912e6fda3e9c
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SHA1
c8f0a24b5ce49f0c7ca2219ea3b39499171ca6d6
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SHA256
7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16
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SHA512
f304d76fee076d4f09956c22cfcd2b0e34a25f7e9d0fc3236e2884c333a30075b6c95969b434726cd165afc12150abd269427572637ae91a5b81d34e163d7738
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SSDEEP
98304:FwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpN:FwqoWyv4yANjKQa7oD
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/224-2-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral2/memory/224-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/224-39-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/224-62-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral2/memory/224-61-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/224-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1868-78-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1868-127-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-198-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-207-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-219-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-223-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-226-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-235-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-239-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-242-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2788-247-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4700 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2788 csrss.exe 2444 injector.exe 2752 windefender.exe 1744 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa57-210.dat upx behavioral2/memory/2752-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1744-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2752-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1744-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1744-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe File created C:\Windows\rss\csrss.exe 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.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 484 sc.exe -
pid Process 4404 powershell.exe 4908 powershell.exe 1996 powershell.exe 4996 powershell.exe 2844 powershell.exe 4832 powershell.exe 2020 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 2212 schtasks.exe 2724 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.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,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern 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" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-731 = "Fiji Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4404 powershell.exe 4404 powershell.exe 224 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 224 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 4908 powershell.exe 4908 powershell.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 1996 powershell.exe 1996 powershell.exe 4996 powershell.exe 4996 powershell.exe 2844 powershell.exe 2844 powershell.exe 4832 powershell.exe 4832 powershell.exe 2020 powershell.exe 2020 powershell.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2788 csrss.exe 2788 csrss.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2788 csrss.exe 2788 csrss.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2788 csrss.exe 2788 csrss.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe 2444 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 224 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Token: SeImpersonatePrivilege 224 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 2844 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeSystemEnvironmentPrivilege 2788 csrss.exe Token: SeSecurityPrivilege 484 sc.exe Token: SeSecurityPrivilege 484 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 224 wrote to memory of 4404 224 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 78 PID 224 wrote to memory of 4404 224 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 78 PID 224 wrote to memory of 4404 224 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 78 PID 1868 wrote to memory of 4908 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 83 PID 1868 wrote to memory of 4908 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 83 PID 1868 wrote to memory of 4908 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 83 PID 1868 wrote to memory of 3504 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 85 PID 1868 wrote to memory of 3504 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 85 PID 3504 wrote to memory of 4700 3504 cmd.exe 87 PID 3504 wrote to memory of 4700 3504 cmd.exe 87 PID 1868 wrote to memory of 1996 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 88 PID 1868 wrote to memory of 1996 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 88 PID 1868 wrote to memory of 1996 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 88 PID 1868 wrote to memory of 4996 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 90 PID 1868 wrote to memory of 4996 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 90 PID 1868 wrote to memory of 4996 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 90 PID 1868 wrote to memory of 2788 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 92 PID 1868 wrote to memory of 2788 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 92 PID 1868 wrote to memory of 2788 1868 7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe 92 PID 2788 wrote to memory of 2844 2788 csrss.exe 93 PID 2788 wrote to memory of 2844 2788 csrss.exe 93 PID 2788 wrote to memory of 2844 2788 csrss.exe 93 PID 2788 wrote to memory of 4832 2788 csrss.exe 98 PID 2788 wrote to memory of 4832 2788 csrss.exe 98 PID 2788 wrote to memory of 4832 2788 csrss.exe 98 PID 2788 wrote to memory of 2020 2788 csrss.exe 101 PID 2788 wrote to memory of 2020 2788 csrss.exe 101 PID 2788 wrote to memory of 2020 2788 csrss.exe 101 PID 2788 wrote to memory of 2444 2788 csrss.exe 103 PID 2788 wrote to memory of 2444 2788 csrss.exe 103 PID 2752 wrote to memory of 1900 2752 windefender.exe 109 PID 2752 wrote to memory of 1900 2752 windefender.exe 109 PID 2752 wrote to memory of 1900 2752 windefender.exe 109 PID 1900 wrote to memory of 484 1900 cmd.exe 110 PID 1900 wrote to memory of 484 1900 cmd.exe 110 PID 1900 wrote to memory of 484 1900 cmd.exe 110 -
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\7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe"C:\Users\Admin\AppData\Local\Temp\7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4404
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C:\Users\Admin\AppData\Local\Temp\7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.exe"C:\Users\Admin\AppData\Local\Temp\7ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16.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:1868 -
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:4908
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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:3504 -
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:4700
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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:1996
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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:4996
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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:2788 -
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:2844
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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:2724
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4676
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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:4832
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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:2020
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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:2444
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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:2212
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2752 -
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:1900 -
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:484
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1744
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583fe79b9a0decb6d03a84e5640a82977
SHA155378489510dcd4d6c873b8dcc968b2a24cd35ac
SHA256c444edb52f1821fa2402b98f4d08d77b2b5db2eea174f0cb1982f4622741e2d1
SHA512fd58c6cc8c606ba862d38c3ff8ebf46700eb73c19a6930e4fcbcd37d4656894c5997be85d42b379f34360eecabe1cb7f34a4046b57b3bc4cd9e4b0cfc9bb6760
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5005586f533e76e10c594fbb21bfc342b
SHA1926e054c7f0884b334e6a83059f43ae1e848874e
SHA2562e0591ee3243bab5b9eb4b55aa0b274a61bd2c9ddf2e4d19795fddc8f04698cd
SHA512c8bbc3aabaf5c97af8a1114125ee6315b421a03f0989422001fda9f2af8a6fa5df59bddf65c96ab94ef3a3565f59823a632a1d152c06c71caaffd2904e77980d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2025658e4b103cacbcc236836ecc868
SHA1131466ce4280852e58762ee1354e3811f4cc55d1
SHA256a8593a45fe132d3753631edccd5066453cbda391511466da796337a2c316c95d
SHA5121c38872a29e310ca3cd5f238f573844aa8bd6d34949503384969f831a90620b6e0569947e8981494a116922d6f4a1797888dcd202deebf4e1a2db7be307bd681
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511979f880282207947d1e1034f4d82c0
SHA1ab7e322ec6dcdfd987c1d8dce579ad12790d4769
SHA2563ceb963517121632a2645b7a8da86e1ec9b13f28ec23a459fd2eee97436d9c26
SHA512c3edb5ca821dd48aeefe86f105a0088a5079b136322eb1de43770b7f195c9e443e4ec4be45f6fd070475ce16ad68e834cb4e81e6ef110591c6b0f13fcd5256a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558cc0c9736092805690b3cac29c88464
SHA12bf1b7bdb8ddfd096d40175e688a988c56fec9f1
SHA25602c30cf9a3682a878a8eabcb84f6d86771626005841ae232b1885d4082954827
SHA51275e3114455fb3b0aa7687647e46c1dbb76bbe58b7f8930e6fbe3b6171b50b78f37a717ff4d9fc9cd6d02dd8b3c961f1307cb4e1d62ab614de9b1a3f322cb11fb
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Filesize
4.1MB
MD51cefd2d8077751fe52f2912e6fda3e9c
SHA1c8f0a24b5ce49f0c7ca2219ea3b39499171ca6d6
SHA2567ca0b1723f38e4dc07583188daad57086680ff27db61fcf5c2b5fb7872f96d16
SHA512f304d76fee076d4f09956c22cfcd2b0e34a25f7e9d0fc3236e2884c333a30075b6c95969b434726cd165afc12150abd269427572637ae91a5b81d34e163d7738
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec