Analysis
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max time kernel
150s -
max time network
138s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe
Resource
win10v2004-20240426-en
General
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Target
d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe
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Size
4.1MB
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MD5
3b0ad8c3fd9cad26b6c8df60d7ddf921
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SHA1
66ec4c14a25dcb5f14819cb2d6e118bf7d52dfc2
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SHA256
d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126
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SHA512
29dc10c9a28fd3520d164a8e0385cb17883865cd1ddcd7801e96a298a1213002ce0e83cc16f45c24d2644ea3b6eac31f0d61355a73e7dd1adf4fd5bc7d74da28
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SSDEEP
98304:kX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rR:kXPWAwQyCdJYw8KggR
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/5108-2-0x0000000004B20000-0x000000000540B000-memory.dmp family_glupteba behavioral2/memory/5108-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-78-0x0000000004B20000-0x000000000540B000-memory.dmp family_glupteba behavioral2/memory/5108-76-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5108-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2680-121-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2680-195-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-203-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-208-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/648-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1436 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 648 csrss.exe 1992 injector.exe 5084 windefender.exe 1312 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x001a00000002ab58-207.dat upx behavioral2/memory/5084-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5084-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1312-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1312-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1312-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe -
Drops file in Windows directory 4 IoCs
Processes:
d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe File created C:\Windows\rss\csrss.exe d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.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.
Processes:
sc.exepid Process 4392 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4568 powershell.exe 4532 powershell.exe 3084 powershell.exe 5104 powershell.exe 4600 powershell.exe 2552 powershell.exe 4348 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2372 schtasks.exe 4868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exed0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exepowershell.exed0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 5104 powershell.exe 5104 powershell.exe 5108 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 5108 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 4600 powershell.exe 4600 powershell.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 2552 powershell.exe 2552 powershell.exe 4348 powershell.exe 4348 powershell.exe 4568 powershell.exe 4568 powershell.exe 4532 powershell.exe 4532 powershell.exe 3084 powershell.exe 3084 powershell.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 648 csrss.exe 648 csrss.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 648 csrss.exe 648 csrss.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 648 csrss.exe 648 csrss.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe 1992 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 5108 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Token: SeImpersonatePrivilege 5108 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 4568 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 3084 powershell.exe Token: SeSystemEnvironmentPrivilege 648 csrss.exe Token: SeSecurityPrivilege 4392 sc.exe Token: SeSecurityPrivilege 4392 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exed0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 5108 wrote to memory of 5104 5108 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 81 PID 5108 wrote to memory of 5104 5108 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 81 PID 5108 wrote to memory of 5104 5108 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 81 PID 2680 wrote to memory of 4600 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 87 PID 2680 wrote to memory of 4600 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 87 PID 2680 wrote to memory of 4600 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 87 PID 2680 wrote to memory of 1892 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 89 PID 2680 wrote to memory of 1892 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 89 PID 1892 wrote to memory of 1436 1892 cmd.exe 91 PID 1892 wrote to memory of 1436 1892 cmd.exe 91 PID 2680 wrote to memory of 2552 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 92 PID 2680 wrote to memory of 2552 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 92 PID 2680 wrote to memory of 2552 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 92 PID 2680 wrote to memory of 4348 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 94 PID 2680 wrote to memory of 4348 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 94 PID 2680 wrote to memory of 4348 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 94 PID 2680 wrote to memory of 648 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 96 PID 2680 wrote to memory of 648 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 96 PID 2680 wrote to memory of 648 2680 d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe 96 PID 648 wrote to memory of 4568 648 csrss.exe 97 PID 648 wrote to memory of 4568 648 csrss.exe 97 PID 648 wrote to memory of 4568 648 csrss.exe 97 PID 648 wrote to memory of 4532 648 csrss.exe 103 PID 648 wrote to memory of 4532 648 csrss.exe 103 PID 648 wrote to memory of 4532 648 csrss.exe 103 PID 648 wrote to memory of 3084 648 csrss.exe 105 PID 648 wrote to memory of 3084 648 csrss.exe 105 PID 648 wrote to memory of 3084 648 csrss.exe 105 PID 648 wrote to memory of 1992 648 csrss.exe 107 PID 648 wrote to memory of 1992 648 csrss.exe 107 PID 5084 wrote to memory of 5040 5084 windefender.exe 113 PID 5084 wrote to memory of 5040 5084 windefender.exe 113 PID 5084 wrote to memory of 5040 5084 windefender.exe 113 PID 5040 wrote to memory of 4392 5040 cmd.exe 114 PID 5040 wrote to memory of 4392 5040 cmd.exe 114 PID 5040 wrote to memory of 4392 5040 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\d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe"C:\Users\Admin\AppData\Local\Temp\d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104
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C:\Users\Admin\AppData\Local\Temp\d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.exe"C:\Users\Admin\AppData\Local\Temp\d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126.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:2680 -
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:4600
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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:1892 -
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:1436
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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:2552
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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:4348
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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:648 -
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:4568
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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:2372
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2188
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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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:3084
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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:1992
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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:4868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5084 -
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:5040 -
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:4392
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1312
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
MD59f2cb59ae26624d98f2c76d9fcd69b98
SHA13bac0c4404ed28d6c608ff243eab3fd56824f3de
SHA25657219b7c3b346372d735e92b7357044c591293399d47394adf296039f9c564b1
SHA512f9a302451f1d45b31a49255f73d4ccc0de0c64b5611a78bb1e64caa4d4ff32a83cdbf1c26b6ac40b8c009ffc6896b84bcc7010e9641314dcec4f3fb94de90868
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd032d1b919755208b7429037d0d3cfa
SHA1779bbc07d40104a6e90ff194e8628df5bec19aae
SHA256b08a6dbf24df419668d010a45ed7e552850ca9d28e09fb9d47e9382a47c91fb6
SHA5129e74f9d0ed0841fb2ea1a31067d6ee6b421d329f0090485cb538098486d031d1adb3d9f474856e80bd9a08f73193d08776272e3ffa7532454d4672326653d032
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b1019ff156d9126969b4cf001929aff6
SHA1537b3a8af3e9a8e33ee23deb3fac43f1916be147
SHA25639a8c374d0b2057b0a8b82aa8cf0d541e171d32ff1b0913147055093df84bd4f
SHA512ae55b6d36f9dc69273a85d5dbfb75ea121762e9833164b6f2d5eef2433463fafa2f7614094f67f4519140dd81c44a712ccc8cef39392bc37a8fbf5f273bc12e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50311b7032de2201a05866850d55dd6d0
SHA10f610c1dda3498465292b1becdcf1ac43891c40e
SHA2563ba8356292653c81d76ff892a46af653fcb1574d1bb6e2be96192ea6a171aea2
SHA512729093238ad5526346c5994a3da534ceaac2bbca09ac36ce224c8bbf7b1736e30ff88515b70dcacdf7d902fbaa2ce381f21df0b501fed19e52ec9d642a863757
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6b92256c41cc9058308c977ca873460
SHA1e435fc71fa07dd524deb2df2c493af307cc5a0e5
SHA2562af31fe8b6ad3d7554e7dce126b69cc7fc024ac80cfef8948271d57b56953c97
SHA512392b220d43c5b66639589215fb428ecff0171befa108ac2ab56ac166e19ed66411854d295a4463a1977c19e02e5aef0d0c0966629c380b907dc821235a7b1c38
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Filesize
4.1MB
MD53b0ad8c3fd9cad26b6c8df60d7ddf921
SHA166ec4c14a25dcb5f14819cb2d6e118bf7d52dfc2
SHA256d0d81b8dae436f572bc031f40551b0e0efe984b61084f4600653e63bc9966126
SHA51229dc10c9a28fd3520d164a8e0385cb17883865cd1ddcd7801e96a298a1213002ce0e83cc16f45c24d2644ea3b6eac31f0d61355a73e7dd1adf4fd5bc7d74da28
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec