Analysis
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max time kernel
137s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
08/08/2023, 07:50
Static task
static1
General
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Target
4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe
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Size
4.2MB
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MD5
5fc1ad3fdba67d24bfe06d1fd9608bad
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SHA1
27dd28fa863838b9c7c7c58194ff8871ac32488e
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SHA256
4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816
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SHA512
a33a9b07f9baeb505d4dbf74d771ff744196c2d2f5350c636d752d6d2114ce98e43671895969d81b9d42ed21a146d65cc1c24259e9da7c8b4869cd0960ac3f3d
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SSDEEP
49152:mkps4AAeDbUAe6UMi6tUpVQvHMA8v3amfcneq9zryiGZgxua8wZ62kKzL5fm2EDW:Ps4AAeDbA/6t01dype3zup62kKOv4qa
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4524-135-0x0000000004A20000-0x000000000530B000-memory.dmp family_glupteba behavioral1/memory/4524-136-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/4524-151-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/4524-155-0x0000000004A20000-0x000000000530B000-memory.dmp family_glupteba behavioral1/memory/4524-181-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/4524-187-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/4992-190-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/4992-218-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/4992-220-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/4992-274-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/4992-280-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/2956-284-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/2956-315-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/2956-355-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/2956-375-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/2956-383-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/2956-385-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/2956-387-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba behavioral1/memory/2956-396-0x0000000000400000-0x00000000026D7000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 5064 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2956 csrss.exe 756 injector.exe 4284 windefender.exe 4800 windefender.exe 4544 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x00090000000230bb-378.dat upx behavioral1/files/0x00090000000230bb-380.dat upx behavioral1/files/0x00090000000230bb-381.dat upx behavioral1/memory/4284-382-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4800-384-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4800-388-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000300000000070d-392.dat upx behavioral1/files/0x000300000000070d-394.dat upx behavioral1/memory/4800-395-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4544-397-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4544-399-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
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 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe File created C:\Windows\rss\csrss.exe 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.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 1316 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 4728 schtasks.exe 4060 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\1e\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\1e\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4728 powershell.exe 4728 powershell.exe 4524 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4524 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4756 powershell.exe 4756 powershell.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 4284 powershell.exe 4284 powershell.exe 3084 powershell.exe 3084 powershell.exe 5092 powershell.exe 5092 powershell.exe 3888 powershell.exe 3888 powershell.exe 1160 powershell.exe 1160 powershell.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 2956 csrss.exe 756 injector.exe 2956 csrss.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 2956 csrss.exe 2956 csrss.exe 2956 csrss.exe 2956 csrss.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe 756 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 4524 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Token: SeImpersonatePrivilege 4524 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeDebugPrivilege 3084 powershell.exe Token: SeDebugPrivilege 5092 powershell.exe Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 1160 powershell.exe Token: SeSystemEnvironmentPrivilege 2956 csrss.exe Token: SeSecurityPrivilege 1316 sc.exe Token: SeSecurityPrivilege 1316 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4524 wrote to memory of 4728 4524 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 84 PID 4524 wrote to memory of 4728 4524 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 84 PID 4524 wrote to memory of 4728 4524 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 84 PID 4992 wrote to memory of 4756 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 94 PID 4992 wrote to memory of 4756 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 94 PID 4992 wrote to memory of 4756 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 94 PID 4992 wrote to memory of 232 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 97 PID 4992 wrote to memory of 232 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 97 PID 232 wrote to memory of 5064 232 cmd.exe 99 PID 232 wrote to memory of 5064 232 cmd.exe 99 PID 4992 wrote to memory of 4284 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 100 PID 4992 wrote to memory of 4284 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 100 PID 4992 wrote to memory of 4284 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 100 PID 4992 wrote to memory of 3084 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 102 PID 4992 wrote to memory of 3084 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 102 PID 4992 wrote to memory of 3084 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 102 PID 4992 wrote to memory of 2956 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 104 PID 4992 wrote to memory of 2956 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 104 PID 4992 wrote to memory of 2956 4992 4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe 104 PID 2956 wrote to memory of 5092 2956 csrss.exe 105 PID 2956 wrote to memory of 5092 2956 csrss.exe 105 PID 2956 wrote to memory of 5092 2956 csrss.exe 105 PID 2956 wrote to memory of 3888 2956 csrss.exe 110 PID 2956 wrote to memory of 3888 2956 csrss.exe 110 PID 2956 wrote to memory of 3888 2956 csrss.exe 110 PID 2956 wrote to memory of 1160 2956 csrss.exe 113 PID 2956 wrote to memory of 1160 2956 csrss.exe 113 PID 2956 wrote to memory of 1160 2956 csrss.exe 113 PID 2956 wrote to memory of 756 2956 csrss.exe 115 PID 2956 wrote to memory of 756 2956 csrss.exe 115 PID 4284 wrote to memory of 2712 4284 windefender.exe 121 PID 4284 wrote to memory of 2712 4284 windefender.exe 121 PID 4284 wrote to memory of 2712 4284 windefender.exe 121 PID 2712 wrote to memory of 1316 2712 cmd.exe 122 PID 2712 wrote to memory of 1316 2712 cmd.exe 122 PID 2712 wrote to memory of 1316 2712 cmd.exe 122 PID 2956 wrote to memory of 4544 2956 csrss.exe 124 PID 2956 wrote to memory of 4544 2956 csrss.exe 124 PID 2956 wrote to memory of 4544 2956 csrss.exe 124
Processes
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C:\Users\Admin\AppData\Local\Temp\4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe"C:\Users\Admin\AppData\Local\Temp\4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728
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C:\Users\Admin\AppData\Local\Temp\4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.exe"C:\Users\Admin\AppData\Local\Temp\4ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816.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:4992 -
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:4756
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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:232 -
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:5064
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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:4284
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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:3084
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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:2956 -
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:5092
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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:4728
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4240
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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:3888
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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:1160
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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:756
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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:4060
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4284 -
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:2712 -
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:1316
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4544 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:8
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4328
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4800
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5ed679160b80b11c60717246c729934aa
SHA16978bebd47a7ae340fb815341afac2da41afd136
SHA25615666f74b7f5c57e28d1960d088f9f56b0765de7f5061064e7a2d4fba5f70c5d
SHA512f9c4038f5539e1564c79c5b94670d94527748a789a978f8d0a1296116ebc48b8f5216857f69de31f6c4cd0e4242c20a0f88117109ac6db2fbd179f703de37e56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2e8fd7ab6102f62d8ba67358a427095
SHA1507453a511be8e6ba5dc850b9a24c22e9a4c3a11
SHA25663349e903ace82b6f41bb00725293ee38bdc07487fedfbd0951e6c7e24b2dbc0
SHA512b1b2ed9b7fece8e16e438aca5ddbcbe8a5919e219d3fce343fe56b617c50f689a809b5f5173b0c009e69e0cb481034fd8ad1d3f271373c5305780ded580ce689
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591376936619033f923d1bdfd24100c3d
SHA14274a9d338d17d29cd78468c95782a71593969b5
SHA2564f4fb9b4273ad79ace03b5a97825f50ba66b3d2183077d32943236cc2e0661d6
SHA51248e2a5ba65794b2756eac43ebf898218353f88f79e982d76c53993f20de5243d82d0312c6d9e8b29e589463b94d028d46d76994fbecab55423166a512b3b7eb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c9d1024c36aaf4d60ae27e2f8704cf5
SHA1bc5c89ed52a6f90b0d33f2047f1c0dedb136dc46
SHA2565f87155ab0df47ffb7af75aa1bedf1dfeec0a89b1866206221641003ef51c5fc
SHA5125c1f718101a10164c2eebd072eb787cfdeb720837ef95505fd77558ed25f1dcde27d5a23da6bec9e70dccdee247ccc50e063bdce9db6dcb172c2aef6b7ebccd9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f64d79ea878c0df7a54b8c1b64ba514a
SHA12a5c8592bb415b3c0e17cca7d0d23cde92a228ae
SHA25606ebc3e0f1afaed117a290359b6cbb9458777d4049f7dc6f4f7a0a72097e194b
SHA5120caec6bb121d2b4180a9fe08d7285cc09d89cfc19622ad722ad62ff39080ab441c8ce4030a8fdeb66259a8f638f3cf6df3f6177dedd1ffadee981c41e1340586
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Filesize
4.2MB
MD55fc1ad3fdba67d24bfe06d1fd9608bad
SHA127dd28fa863838b9c7c7c58194ff8871ac32488e
SHA2564ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816
SHA512a33a9b07f9baeb505d4dbf74d771ff744196c2d2f5350c636d752d6d2114ce98e43671895969d81b9d42ed21a146d65cc1c24259e9da7c8b4869cd0960ac3f3d
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Filesize
4.2MB
MD55fc1ad3fdba67d24bfe06d1fd9608bad
SHA127dd28fa863838b9c7c7c58194ff8871ac32488e
SHA2564ef52ed4390002f0348721a7660791ecf297a50c13a92a92861ca7ec5a0c1816
SHA512a33a9b07f9baeb505d4dbf74d771ff744196c2d2f5350c636d752d6d2114ce98e43671895969d81b9d42ed21a146d65cc1c24259e9da7c8b4869cd0960ac3f3d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec