Analysis
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max time kernel
151s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-04-2024 19:06
Static task
static1
Behavioral task
behavioral1
Sample
038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe
Resource
win10v2004-20240226-en
General
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Target
038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe
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Size
4.2MB
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MD5
babdf64258576c3431a9950e70eaed81
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SHA1
0b27c4d09d51b141b5ca426554493b0830b5a6ce
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SHA256
038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c
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SHA512
0f85ba00fd574268f439e3130b604320bdbdb4973359c7bf63af8539ea439e21339caa3e88363b7322e6f805fc54e934ef4adbaa6c15473438129142266dbeaa
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SSDEEP
98304:sryrmHtQq4Kvw2fi4KLh4xykSS79GB0CazRTKvsYv7iGMN:oyrmHtQ9Sq4KLSvSnBFctzqiT
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2112-2-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral1/memory/2112-3-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2112-28-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2112-49-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral1/memory/2112-56-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3756-59-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3756-88-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3756-108-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3756-123-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3756-155-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-208-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-259-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-267-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-268-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-270-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-272-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-274-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-276-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-278-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2592-280-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3432 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2592 csrss.exe 4948 injector.exe 3544 windefender.exe 3108 windefender.exe -
resource yara_rule behavioral1/files/0x000c000000023330-262.dat upx behavioral1/memory/3544-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3108-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3108-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\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\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 File created 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 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe File created C:\Windows\rss\csrss.exe 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2344 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 2248 schtasks.exe 3116 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2820 powershell.exe 2820 powershell.exe 2820 powershell.exe 2112 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 2112 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 4692 powershell.exe 4692 powershell.exe 4692 powershell.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 3512 powershell.exe 3512 powershell.exe 3512 powershell.exe 1780 powershell.exe 1780 powershell.exe 1780 powershell.exe 4092 powershell.exe 4092 powershell.exe 4092 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 1720 powershell.exe 1720 powershell.exe 1720 powershell.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 2592 csrss.exe 2592 csrss.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 2592 csrss.exe 2592 csrss.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 2592 csrss.exe 2592 csrss.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 2112 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Token: SeImpersonatePrivilege 2112 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeDebugPrivilege 3920 powershell.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeSystemEnvironmentPrivilege 2592 csrss.exe Token: SeSecurityPrivilege 2344 sc.exe Token: SeSecurityPrivilege 2344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2820 2112 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 95 PID 2112 wrote to memory of 2820 2112 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 95 PID 2112 wrote to memory of 2820 2112 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 95 PID 3756 wrote to memory of 4692 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 105 PID 3756 wrote to memory of 4692 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 105 PID 3756 wrote to memory of 4692 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 105 PID 3756 wrote to memory of 2052 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 107 PID 3756 wrote to memory of 2052 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 107 PID 2052 wrote to memory of 3432 2052 cmd.exe 110 PID 2052 wrote to memory of 3432 2052 cmd.exe 110 PID 3756 wrote to memory of 3512 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 111 PID 3756 wrote to memory of 3512 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 111 PID 3756 wrote to memory of 3512 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 111 PID 3756 wrote to memory of 1780 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 113 PID 3756 wrote to memory of 1780 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 113 PID 3756 wrote to memory of 1780 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 113 PID 3756 wrote to memory of 2592 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 115 PID 3756 wrote to memory of 2592 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 115 PID 3756 wrote to memory of 2592 3756 038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe 115 PID 2592 wrote to memory of 4092 2592 csrss.exe 116 PID 2592 wrote to memory of 4092 2592 csrss.exe 116 PID 2592 wrote to memory of 4092 2592 csrss.exe 116 PID 2592 wrote to memory of 3920 2592 csrss.exe 123 PID 2592 wrote to memory of 3920 2592 csrss.exe 123 PID 2592 wrote to memory of 3920 2592 csrss.exe 123 PID 2592 wrote to memory of 1720 2592 csrss.exe 125 PID 2592 wrote to memory of 1720 2592 csrss.exe 125 PID 2592 wrote to memory of 1720 2592 csrss.exe 125 PID 2592 wrote to memory of 4948 2592 csrss.exe 127 PID 2592 wrote to memory of 4948 2592 csrss.exe 127 PID 3544 wrote to memory of 2820 3544 windefender.exe 133 PID 3544 wrote to memory of 2820 3544 windefender.exe 133 PID 3544 wrote to memory of 2820 3544 windefender.exe 133 PID 2820 wrote to memory of 2344 2820 cmd.exe 134 PID 2820 wrote to memory of 2344 2820 cmd.exe 134 PID 2820 wrote to memory of 2344 2820 cmd.exe 134 -
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\038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe"C:\Users\Admin\AppData\Local\Temp\038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2820
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C:\Users\Admin\AppData\Local\Temp\038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.exe"C:\Users\Admin\AppData\Local\Temp\038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c.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:3756 -
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\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:2052 -
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:3432
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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:3512
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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:1780
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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:2592 -
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:4092
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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:2248
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4688
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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:3920
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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:1720
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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:4948
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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:3116
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3544 -
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:2820 -
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:2344
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=2240,i,16875000905773190493,11379096115878622792,262144 --variations-seed-version /prefetch:81⤵PID:4796
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3108
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
MD5e6699395eb15a77841e5f2a0580f3a84
SHA14cab7f58184b9dd55d06925c804148b067092a16
SHA256f552cda85b38edcaf020cb8b00926b99cff7571e6e756a15b03a023fcec1fb30
SHA5128128038409c435343c4199d365b906f2aa24cbf07a5b068a7cc12b9c9290361f8a515381149f677decf902382b72f86d392b51d66cc0bbdfeb3a8f969258b490
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e22254eeec8a8a69d6fd975c4fd3a3fe
SHA13ac87d6112330e9c2fa384fda4b604e6ef1fa9d7
SHA256e5df5290f7012426ac84804b451aa50bfa0e59d1cfae57bb3fcbc8d238189450
SHA51216c0036a867dc396e95bca891df47883a8b2c2bb92ce091b6a52a2fcea8b4bc05d8850c8cc4e50fec5e2ef348a1771391a75dea50a386361a33cf5b07ddf49f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6ef045ea6d9c2e39285e60a3cc78081
SHA1aac2504cebba0fe62b248ae28283fbe975316375
SHA256575f5e60bd97bd17b214f9ca1753d4d165c3b8fe524c915b76317a59429323f5
SHA5127f14204629ee2aae3d89c9a6d4803b3b0cddf1d9d706c0536b65888bb33792a2c3c4aa679824d5d5f325f2f709c5653f35775d68953dbd50a80152c205339a83
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548a18709ce4e7940e1a45e781ba9c566
SHA166820e684c0237044c32b53a8ecc0d31e50f743c
SHA256a80cae06eb2788d602fe2e454b7ecc4fe72e529c6532c051432235ed9de3aaa3
SHA51287151cd7349a8625bcc3650483e8dceb551522d6758b1897edc0459c8d27b0d42e51a20024c10af74ecccb251aa03d1ae067b8d947033695c3bdff2ebb427d37
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516cf90913c0763edbee68feeee1f912d
SHA1a59a115e26e062d6bf38ab118d7c45bbd3222f74
SHA256f0f106d6d7c58d1ab9a96f74a4180f12eb15c2bd092d4a18474452cedc71f398
SHA512646fc6eb5803106ffd3b4c6ec3b2f693eb2788677bd794531480e6f4b45b4fa7b15ede739656e38b0fd136e7d2ade88f9fe4d6a02c7c7bf9b16731972fc3dae9
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Filesize
4.2MB
MD5babdf64258576c3431a9950e70eaed81
SHA10b27c4d09d51b141b5ca426554493b0830b5a6ce
SHA256038e355dda5d9f5c81011a99decc5706cf5062c8bf5fd47acbf5c13b9c50847c
SHA5120f85ba00fd574268f439e3130b604320bdbdb4973359c7bf63af8539ea439e21339caa3e88363b7322e6f805fc54e934ef4adbaa6c15473438129142266dbeaa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec