Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 16:04
Static task
static1
Behavioral task
behavioral1
Sample
b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe
Resource
win10v2004-20240412-en
General
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Target
b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe
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Size
4.2MB
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MD5
21007b91650de676fe3ed6a54c446f46
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SHA1
a23dc19d41697e5fc9a8a8fb497235b523169fc7
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SHA256
b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4
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SHA512
8960796b8eb02bb5f32e4a518d4f4dadee8811b8df4515c7655ad207c2d94cf9d3f8c46188dfec8b62b0f7e8871e5e1e9129d0c0ceaa3a4796585d24ed520fcf
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SSDEEP
98304:noZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJeT:n3OuIEug7vwUGt7S+nKl
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4612-2-0x0000000003FA0000-0x000000000488B000-memory.dmp family_glupteba behavioral1/memory/4612-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4612-54-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4732-58-0x0000000003E70000-0x000000000475B000-memory.dmp family_glupteba behavioral1/memory/4732-59-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4732-220-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-260-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-291-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-300-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2680-303-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 800 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2680 csrss.exe 116 injector.exe 4580 windefender.exe 4972 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002340a-264.dat upx behavioral1/memory/4580-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4972-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4972-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4972-287-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3548 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 3700 schtasks.exe 1696 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.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\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.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\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4740 powershell.exe 4740 powershell.exe 4612 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4612 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4412 powershell.exe 4412 powershell.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 4692 powershell.exe 4692 powershell.exe 3840 powershell.exe 3840 powershell.exe 4740 powershell.exe 4740 powershell.exe 2012 powershell.exe 2012 powershell.exe 5100 powershell.exe 5100 powershell.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 2680 csrss.exe 2680 csrss.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 2680 csrss.exe 2680 csrss.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 2680 csrss.exe 2680 csrss.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe 116 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 4612 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Token: SeImpersonatePrivilege 4612 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 2012 powershell.exe Token: SeDebugPrivilege 5100 powershell.exe Token: SeSystemEnvironmentPrivilege 2680 csrss.exe Token: SeSecurityPrivilege 3548 sc.exe Token: SeSecurityPrivilege 3548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4612 wrote to memory of 4740 4612 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 91 PID 4612 wrote to memory of 4740 4612 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 91 PID 4612 wrote to memory of 4740 4612 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 91 PID 4732 wrote to memory of 4412 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 98 PID 4732 wrote to memory of 4412 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 98 PID 4732 wrote to memory of 4412 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 98 PID 4732 wrote to memory of 3972 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 100 PID 4732 wrote to memory of 3972 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 100 PID 3972 wrote to memory of 800 3972 cmd.exe 102 PID 3972 wrote to memory of 800 3972 cmd.exe 102 PID 4732 wrote to memory of 4692 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 103 PID 4732 wrote to memory of 4692 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 103 PID 4732 wrote to memory of 4692 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 103 PID 4732 wrote to memory of 3840 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 105 PID 4732 wrote to memory of 3840 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 105 PID 4732 wrote to memory of 3840 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 105 PID 4732 wrote to memory of 2680 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 107 PID 4732 wrote to memory of 2680 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 107 PID 4732 wrote to memory of 2680 4732 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 107 PID 2680 wrote to memory of 4740 2680 csrss.exe 108 PID 2680 wrote to memory of 4740 2680 csrss.exe 108 PID 2680 wrote to memory of 4740 2680 csrss.exe 108 PID 2680 wrote to memory of 2012 2680 csrss.exe 114 PID 2680 wrote to memory of 2012 2680 csrss.exe 114 PID 2680 wrote to memory of 2012 2680 csrss.exe 114 PID 2680 wrote to memory of 5100 2680 csrss.exe 116 PID 2680 wrote to memory of 5100 2680 csrss.exe 116 PID 2680 wrote to memory of 5100 2680 csrss.exe 116 PID 2680 wrote to memory of 116 2680 csrss.exe 118 PID 2680 wrote to memory of 116 2680 csrss.exe 118 PID 4580 wrote to memory of 5108 4580 windefender.exe 124 PID 4580 wrote to memory of 5108 4580 windefender.exe 124 PID 4580 wrote to memory of 5108 4580 windefender.exe 124 PID 5108 wrote to memory of 3548 5108 cmd.exe 125 PID 5108 wrote to memory of 3548 5108 cmd.exe 125 PID 5108 wrote to memory of 3548 5108 cmd.exe 125 -
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\b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe"C:\Users\Admin\AppData\Local\Temp\b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4740
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C:\Users\Admin\AppData\Local\Temp\b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe"C:\Users\Admin\AppData\Local\Temp\b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.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:4732 -
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:4412
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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:3972 -
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:800
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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:4692
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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:3840
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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:2680 -
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:4740
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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:3700
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3460
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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:2012
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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:5100
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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:116
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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:1696
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4580 -
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:5108 -
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:3548
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4972
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6c15a71a81170fa7d8abfb26e5f16e5
SHA124758d9b302be6bce0438f4bae8827e2786b299b
SHA256d90bed77fa53e0a0381b775889adafb81e00e9500a14e40a1f9497334e59e4f5
SHA512a23c6d4422769308202524c529b17d5bf577c8f42bd0868a614823e193f5db58abaebcbd7b21fe86a0ef700e32aee598da6dbbc72f7f4be08f9e4fa77386a89a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50011352fbe2d3acd3d81d9bc8b2df591
SHA11ad7acd65f751fa9eaa0e6c07f2ac1581f04e30d
SHA2561e7e844ac84701423327951bb4026fb37c6864166604f44fa088cf0abd21665a
SHA51250435fa9b1593141e721f96582f843ee6da3ffa034ab78fcdeee0e9328bb7e7918a00b22500eeb753f29feb5f9badfbe6655ed119c614866024e9b98ba11bcfb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aed5b70816bb85bd154394572bfb4131
SHA1ca1cace1657628a6460800738640db4e41891e54
SHA25683650b16596e9f4ee2944cc90b6ec88941a1f88908fdb3d5e6ce3bceb28c739a
SHA5126df0b31877afe9405fbb93e8cb8b8209bb8a95f7d04dbd72e9f9058cb988f680989f0da997283953028b9863fb7f7630bff34d45b64ea3cda6a99f624e219d03
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565bdfe3582d1a24f5cc9879d1a832972
SHA195d5f56fc225f9140ecf63e6bf0a59abdc2456e7
SHA2568eb6b2f619abcb3bc548369c5c7b957ed7b213cecd78b1f4a740dad8a63affe2
SHA512d5a8f13d52aa1db689e8f32564102f73bff00b1cfd293d15ad679a361df16d93fb469a811d91c56d4c758b5372a671575cb3b4bd0b376695ee8d32c8a88985ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd29f9fad2281e01265ba3aa9aa457f4
SHA1648a3d3815c9a74c935d73f3dc59a3253d91ce65
SHA2561763ef29888c6ad1a8a4d499d72a27409c8413301ba6b2b9b59b4a5fc056f66b
SHA512d3c2bd9e7831d09c4e87436df3c4440944b283fc080c443329ee71f2f9befdf942e310c70b1f0bdce108e520c6dac2578087c707c7f467c376b256b3109557e2
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Filesize
4.2MB
MD521007b91650de676fe3ed6a54c446f46
SHA1a23dc19d41697e5fc9a8a8fb497235b523169fc7
SHA256b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4
SHA5128960796b8eb02bb5f32e4a518d4f4dadee8811b8df4515c7655ad207c2d94cf9d3f8c46188dfec8b62b0f7e8871e5e1e9129d0c0ceaa3a4796585d24ed520fcf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec