Analysis
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max time kernel
149s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:32
Static task
static1
Behavioral task
behavioral1
Sample
7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe
Resource
win10v2004-20240508-en
General
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Target
7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe
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Size
4.1MB
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MD5
afd47a33de2da8e263b61cd5fc4f5540
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SHA1
783e8ca1be0eacb2af0d526a197108e84d664eab
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SHA256
7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd
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SHA512
355cad347309eece9b86f901e26959ccb9b6f59e4f7956f577eaf02854405ee8159fba331290afb18cc4a92e8e1df42daec92c780617ea53e9b6ba3366a67ce5
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SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNs:E4G/GRAB9MdaGBolx/Wzu2
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2664-2-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/2664-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2664-21-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2664-55-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/2664-53-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2664-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3504-77-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3504-130-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-132-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-200-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-242-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2288-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5092 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2288 csrss.exe 3140 injector.exe 4336 windefender.exe 1980 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0c-210.dat upx behavioral2/memory/4336-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4336-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1980-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1980-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1980-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe File created C:\Windows\rss\csrss.exe 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.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 2092 sc.exe -
pid Process 4652 powershell.exe 996 powershell.exe 3256 powershell.exe 4648 powershell.exe 4912 powershell.exe 436 powershell.exe 2568 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 3652 schtasks.exe 4272 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight 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" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.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,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight 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" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4652 powershell.exe 4652 powershell.exe 2664 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 2664 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 996 powershell.exe 996 powershell.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 3256 powershell.exe 3256 powershell.exe 4648 powershell.exe 4648 powershell.exe 4912 powershell.exe 4912 powershell.exe 436 powershell.exe 436 powershell.exe 2568 powershell.exe 2568 powershell.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 2288 csrss.exe 2288 csrss.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 2288 csrss.exe 2288 csrss.exe 3140 injector.exe 3140 injector.exe 2288 csrss.exe 2288 csrss.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe 3140 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 2664 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Token: SeImpersonatePrivilege 2664 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe Token: SeDebugPrivilege 996 powershell.exe Token: SeDebugPrivilege 3256 powershell.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 436 powershell.exe Token: SeDebugPrivilege 2568 powershell.exe Token: SeSystemEnvironmentPrivilege 2288 csrss.exe Token: SeSecurityPrivilege 2092 sc.exe Token: SeSecurityPrivilege 2092 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2664 wrote to memory of 4652 2664 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 86 PID 2664 wrote to memory of 4652 2664 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 86 PID 2664 wrote to memory of 4652 2664 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 86 PID 3504 wrote to memory of 996 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 91 PID 3504 wrote to memory of 996 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 91 PID 3504 wrote to memory of 996 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 91 PID 3504 wrote to memory of 620 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 93 PID 3504 wrote to memory of 620 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 93 PID 620 wrote to memory of 5092 620 cmd.exe 95 PID 620 wrote to memory of 5092 620 cmd.exe 95 PID 3504 wrote to memory of 3256 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 96 PID 3504 wrote to memory of 3256 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 96 PID 3504 wrote to memory of 3256 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 96 PID 3504 wrote to memory of 4648 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 98 PID 3504 wrote to memory of 4648 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 98 PID 3504 wrote to memory of 4648 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 98 PID 3504 wrote to memory of 2288 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 101 PID 3504 wrote to memory of 2288 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 101 PID 3504 wrote to memory of 2288 3504 7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe 101 PID 2288 wrote to memory of 4912 2288 csrss.exe 102 PID 2288 wrote to memory of 4912 2288 csrss.exe 102 PID 2288 wrote to memory of 4912 2288 csrss.exe 102 PID 2288 wrote to memory of 436 2288 csrss.exe 108 PID 2288 wrote to memory of 436 2288 csrss.exe 108 PID 2288 wrote to memory of 436 2288 csrss.exe 108 PID 2288 wrote to memory of 2568 2288 csrss.exe 110 PID 2288 wrote to memory of 2568 2288 csrss.exe 110 PID 2288 wrote to memory of 2568 2288 csrss.exe 110 PID 2288 wrote to memory of 3140 2288 csrss.exe 112 PID 2288 wrote to memory of 3140 2288 csrss.exe 112 PID 4336 wrote to memory of 1144 4336 windefender.exe 118 PID 4336 wrote to memory of 1144 4336 windefender.exe 118 PID 4336 wrote to memory of 1144 4336 windefender.exe 118 PID 1144 wrote to memory of 2092 1144 cmd.exe 119 PID 1144 wrote to memory of 2092 1144 cmd.exe 119 PID 1144 wrote to memory of 2092 1144 cmd.exe 119 -
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\7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe"C:\Users\Admin\AppData\Local\Temp\7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4652
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C:\Users\Admin\AppData\Local\Temp\7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.exe"C:\Users\Admin\AppData\Local\Temp\7ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd.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:3504 -
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:996
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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:620 -
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:5092
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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:3256
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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:4648
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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:2288 -
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:4912
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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:3652
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4044
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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:436
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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:2568
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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:3140
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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:4272
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4336 -
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:1144 -
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:2092
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1980
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565eb3d2af22ff9e4823dcf486864b570
SHA1ba43fdf773cb546139569932450eb7db74472a71
SHA256f326b811f6c9586bf46cb951f39d33ce5fc82853118c4a44cc9ea28401279021
SHA512ed72ccec9809bfd3f3a811f794e55e72317466674ca968826925f30841f119ea4cf81c30982b25f70547aacfd9bbc7eca575fb5330cf6d6f81207aa3d7516cb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d12fdf80dc4225cfc7bb5c343d48c21
SHA1f79479fca9721cca445759fdf08b0e10acc2b3e5
SHA2560ab95f6e45b9fc01051dab96a04beb497788a44de792c6aa828bd4c8c4055c88
SHA51227f33924b337501662acbdd5188897541ff59119be736724eb58c98162efefb38f60c0f65a04337ca280c8f2d859fa40da3e5517db083a8d3a31f47ccd7cb2ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e5de5130cd10519b17398f9dd05f53b7
SHA10bcb5406521533027e54b01c7173270bec12f0f9
SHA256556fdeba9f8a6696a7c146033b2a0ef71dd4e8647a5df80884d827be6053f8a8
SHA51216cebc20df6b815b81d8fecd2f2825156020904624362ef6d0c0fab012d1539e1f4f308354e210948b27817ec436b0227772885f3e11d09fdef9d353a44f6422
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56cda050d995b1210d277a42b8a033562
SHA1ce1adfaf49cf7d18b679c6d3f67a1e7d3378c0f6
SHA2569ae64d61cfb3e89d2be4a112fca4b293f7b18fe6bb3f1c3f169b728a940ec360
SHA5124632201433bde64cfd5e3c95bb7ea644f0f5d97d0bbe58545589dfec09d87b33a000802ea801bce0b3d8e6b1132025b2cb240ea5394b95fe7f22b1668e3c469d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52516b80cbe2b03c03b3e7fe0629ae063
SHA1a5fce9bfd59753c728b2f90de93cdc89329d91fa
SHA25657389110348c1625fdc48fbcfe62690bc536cfd1f950ec5d136d1f36f26b1550
SHA512fdf7351d0b8f28373b54539fafb1b13f631b59dcc0262fb4ff7fb19fa989c571e42d703f285fe302af598b975f951b0851aa1206cdac2dfa04bc52043fe2e52c
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Filesize
4.1MB
MD5afd47a33de2da8e263b61cd5fc4f5540
SHA1783e8ca1be0eacb2af0d526a197108e84d664eab
SHA2567ba934fea85abbbdfff95947d7865e2fb6d1ba116cc7872a0dad8d675b7616cd
SHA512355cad347309eece9b86f901e26959ccb9b6f59e4f7956f577eaf02854405ee8159fba331290afb18cc4a92e8e1df42daec92c780617ea53e9b6ba3366a67ce5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec