Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:32
Static task
static1
Behavioral task
behavioral1
Sample
c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe
Resource
win10v2004-20240426-en
General
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Target
c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe
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Size
4.1MB
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MD5
6a50085628f850506bb7c9bd99d56fde
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SHA1
f2f955b9a6ae15bbe877ba9e4f321b862a5341f3
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SHA256
c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866
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SHA512
922fd9e3c2c4a188be6950d4ba2e8f79a3fdac732f71b51031d097bae610838bffc4fb1f09f3c4aef89e08071e724536ee06bc1f4547ca84eb47f9ec9b7e68a3
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SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNj:E4G/GRAB9MdaGBolx/WzuZ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4068-2-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral1/memory/4068-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4068-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4068-66-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral1/memory/4068-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3528-135-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-260-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-265-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4296-269-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4676 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4296 csrss.exe 748 injector.exe 4936 windefender.exe 3676 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023421-223.dat upx behavioral1/memory/4936-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4936-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 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 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 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe File created C:\Windows\rss\csrss.exe c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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 3580 sc.exe -
pid Process 1496 powershell.exe 2316 powershell.exe 4544 powershell.exe 4652 powershell.exe 4352 powershell.exe 4688 powershell.exe 2628 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 4592 schtasks.exe 3984 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-2891 = "Sudan Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1496 powershell.exe 1496 powershell.exe 4068 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 4068 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 2316 powershell.exe 2316 powershell.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 4544 powershell.exe 4544 powershell.exe 4652 powershell.exe 4652 powershell.exe 4352 powershell.exe 4352 powershell.exe 4688 powershell.exe 4688 powershell.exe 2628 powershell.exe 2628 powershell.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 4296 csrss.exe 4296 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 4296 csrss.exe 4296 csrss.exe 748 injector.exe 748 injector.exe 4296 csrss.exe 4296 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1496 powershell.exe Token: SeDebugPrivilege 4068 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Token: SeImpersonatePrivilege 4068 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeSystemEnvironmentPrivilege 4296 csrss.exe Token: SeSecurityPrivilege 3580 sc.exe Token: SeSecurityPrivilege 3580 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4068 wrote to memory of 1496 4068 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 91 PID 4068 wrote to memory of 1496 4068 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 91 PID 4068 wrote to memory of 1496 4068 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 91 PID 3528 wrote to memory of 2316 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 98 PID 3528 wrote to memory of 2316 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 98 PID 3528 wrote to memory of 2316 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 98 PID 3528 wrote to memory of 4612 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 100 PID 3528 wrote to memory of 4612 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 100 PID 4612 wrote to memory of 4676 4612 cmd.exe 102 PID 4612 wrote to memory of 4676 4612 cmd.exe 102 PID 3528 wrote to memory of 4544 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 103 PID 3528 wrote to memory of 4544 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 103 PID 3528 wrote to memory of 4544 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 103 PID 3528 wrote to memory of 4652 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 105 PID 3528 wrote to memory of 4652 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 105 PID 3528 wrote to memory of 4652 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 105 PID 3528 wrote to memory of 4296 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 107 PID 3528 wrote to memory of 4296 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 107 PID 3528 wrote to memory of 4296 3528 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 107 PID 4296 wrote to memory of 4352 4296 csrss.exe 108 PID 4296 wrote to memory of 4352 4296 csrss.exe 108 PID 4296 wrote to memory of 4352 4296 csrss.exe 108 PID 4296 wrote to memory of 4688 4296 csrss.exe 114 PID 4296 wrote to memory of 4688 4296 csrss.exe 114 PID 4296 wrote to memory of 4688 4296 csrss.exe 114 PID 4296 wrote to memory of 2628 4296 csrss.exe 117 PID 4296 wrote to memory of 2628 4296 csrss.exe 117 PID 4296 wrote to memory of 2628 4296 csrss.exe 117 PID 4296 wrote to memory of 748 4296 csrss.exe 119 PID 4296 wrote to memory of 748 4296 csrss.exe 119 PID 4936 wrote to memory of 1876 4936 windefender.exe 126 PID 4936 wrote to memory of 1876 4936 windefender.exe 126 PID 4936 wrote to memory of 1876 4936 windefender.exe 126 PID 1876 wrote to memory of 3580 1876 cmd.exe 127 PID 1876 wrote to memory of 3580 1876 cmd.exe 127 PID 1876 wrote to memory of 3580 1876 cmd.exe 127 -
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\c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe"C:\Users\Admin\AppData\Local\Temp\c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1496
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C:\Users\Admin\AppData\Local\Temp\c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe"C:\Users\Admin\AppData\Local\Temp\c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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:3528 -
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:2316
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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:4612 -
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:4676
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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:4544
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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:4652
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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:4296 -
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:4352
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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:4592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1092
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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:4688
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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:2628
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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:748
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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:3984
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4936 -
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:1876 -
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:3580
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3676
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a026ec9cac9f9c6b7884d46ba2701ba7
SHA17834bc776c2ea0cdebe16876b428a71225d14065
SHA2564140b2991672e7c63b5e9844d63679c56e33c49ffb5a2e44b3c8cdeb02b39afa
SHA512779d092f94a6c7fe834b93374d0dc6312b9d45740e93b9303eebf999848ea09f2e15d79d28b2c3c5ae792b93fec6f509461d93e1867150b905f11c96645fe9b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571f243ff750c73de2249953d2eee01a3
SHA1e42c7ad0d817931a706b754cb1981e5a6942da97
SHA2565ccf4d704ce5fce1d4cdf0e1b076846a96a415993f805d8e2cd06d1b0e94589b
SHA512ce657eefb86211577aa113bbef3bf590f2ad2bf06a7fce67f21aa3440782e1e0cd9d14d807eb483517dcc8e15dff1273fa609b436ae853ae5351480ca519ed90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b4cf314c392a76399dac238a07d6537
SHA1d201f7c5a10ac7129d6846af41bcfef9eac0898a
SHA2568ed318e65331504a4fdcd72086043e91396f7b75f31bb76c8ee93d22de8343ad
SHA51276b375d4097e819ab1b435e8c16eac2df6991cb01d12f91aa82d15999645bcfbacc622bf7983a30a0581d2135b1fdd441cb3795054c211de8aa2fea22a60e8e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594c431d5395e242f44e28d9dc8ad46c9
SHA1035d4eded6c6b0888c31327b64de432228be86fe
SHA25678fd3134a9cbb625415d12d10aa0b56c4e43b46e9afbdc3871f5491844a8c954
SHA512f6c6419aca7fb165c6d118f6640dd7ef53841adb0da54828c59db2df57cd41887372f7baef6aadcb5a07348845cd16af94f1654f42cc87b326790a30cd579e21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f47704e55452e28c1b7cdf5a04e177d
SHA14bb98d43781f0520dd6b053405b4c3dea71bf561
SHA2560ebac67321a83e4a677cb0311b8f1b3fada1cc286601ea88304e0514a77503f4
SHA512f716e66055e5cbe5284f1bec3f962da065468bb682c7e92fc641bdf800310be8b66a3fd1c062a3831a6d26e674f89716df75eaf1ca7791a0aa28493bfa51cde8
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Filesize
4.1MB
MD56a50085628f850506bb7c9bd99d56fde
SHA1f2f955b9a6ae15bbe877ba9e4f321b862a5341f3
SHA256c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866
SHA512922fd9e3c2c4a188be6950d4ba2e8f79a3fdac732f71b51031d097bae610838bffc4fb1f09f3c4aef89e08071e724536ee06bc1f4547ca84eb47f9ec9b7e68a3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec