Analysis
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max time kernel
149s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 16:10
Static task
static1
Behavioral task
behavioral1
Sample
f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe
Resource
win10v2004-20240412-en
General
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Target
f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe
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Size
4.2MB
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MD5
3659da1ddafd9a0e9815370308f7e4cf
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SHA1
fe40d45dad40839a077aff064721febfc8499eeb
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SHA256
f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64
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SHA512
de7d225ffb94f18af6a0603e83ed8db5315a2eda524d5b57494ca29e154cac6d483de8b32894881e7fb96d1b54f6443ca681a7f8d25ad3a3e615a06346626283
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SSDEEP
98304:voZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJex:v3OuIEug7vwUGt7S+nK/
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2796-2-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/2796-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2452-53-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2452-55-0x0000000003F60000-0x000000000484B000-memory.dmp family_glupteba behavioral2/memory/2796-67-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2452-125-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2452-148-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-239-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-290-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4756-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2456 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4756 csrss.exe 4572 injector.exe 1056 windefender.exe 1552 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ad-243.dat upx behavioral2/memory/1056-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1552-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1552-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1552-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\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 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 -
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 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe File created C:\Windows\rss\csrss.exe f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.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 5112 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 3908 schtasks.exe 244 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe 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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe 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,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-1721 = "Libya Daylight 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" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4948 powershell.exe 4948 powershell.exe 2796 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2796 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 4664 powershell.exe 4664 powershell.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 4672 powershell.exe 4672 powershell.exe 3708 powershell.exe 3708 powershell.exe 2176 powershell.exe 2176 powershell.exe 912 powershell.exe 912 powershell.exe 5108 powershell.exe 5108 powershell.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4756 csrss.exe 4756 csrss.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4756 csrss.exe 4756 csrss.exe 4572 injector.exe 4572 injector.exe 4756 csrss.exe 4756 csrss.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe 4572 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4948 powershell.exe Token: SeDebugPrivilege 2796 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Token: SeImpersonatePrivilege 2796 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 3708 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeDebugPrivilege 5108 powershell.exe Token: SeSystemEnvironmentPrivilege 4756 csrss.exe Token: SeSecurityPrivilege 5112 sc.exe Token: SeSecurityPrivilege 5112 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2796 wrote to memory of 4948 2796 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 82 PID 2796 wrote to memory of 4948 2796 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 82 PID 2796 wrote to memory of 4948 2796 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 82 PID 2452 wrote to memory of 4664 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 88 PID 2452 wrote to memory of 4664 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 88 PID 2452 wrote to memory of 4664 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 88 PID 2452 wrote to memory of 4144 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 90 PID 2452 wrote to memory of 4144 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 90 PID 4144 wrote to memory of 2456 4144 cmd.exe 92 PID 4144 wrote to memory of 2456 4144 cmd.exe 92 PID 2452 wrote to memory of 4672 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 93 PID 2452 wrote to memory of 4672 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 93 PID 2452 wrote to memory of 4672 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 93 PID 2452 wrote to memory of 3708 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 95 PID 2452 wrote to memory of 3708 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 95 PID 2452 wrote to memory of 3708 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 95 PID 2452 wrote to memory of 4756 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 97 PID 2452 wrote to memory of 4756 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 97 PID 2452 wrote to memory of 4756 2452 f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe 97 PID 4756 wrote to memory of 2176 4756 csrss.exe 98 PID 4756 wrote to memory of 2176 4756 csrss.exe 98 PID 4756 wrote to memory of 2176 4756 csrss.exe 98 PID 4756 wrote to memory of 912 4756 csrss.exe 103 PID 4756 wrote to memory of 912 4756 csrss.exe 103 PID 4756 wrote to memory of 912 4756 csrss.exe 103 PID 4756 wrote to memory of 5108 4756 csrss.exe 106 PID 4756 wrote to memory of 5108 4756 csrss.exe 106 PID 4756 wrote to memory of 5108 4756 csrss.exe 106 PID 4756 wrote to memory of 4572 4756 csrss.exe 108 PID 4756 wrote to memory of 4572 4756 csrss.exe 108 PID 1056 wrote to memory of 3288 1056 windefender.exe 114 PID 1056 wrote to memory of 3288 1056 windefender.exe 114 PID 1056 wrote to memory of 3288 1056 windefender.exe 114 PID 3288 wrote to memory of 5112 3288 cmd.exe 115 PID 3288 wrote to memory of 5112 3288 cmd.exe 115 PID 3288 wrote to memory of 5112 3288 cmd.exe 115 -
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\f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe"C:\Users\Admin\AppData\Local\Temp\f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4948
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C:\Users\Admin\AppData\Local\Temp\f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.exe"C:\Users\Admin\AppData\Local\Temp\f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64.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:2452 -
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:4664
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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:4144 -
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:2456
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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:4672
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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:3708
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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:4756 -
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:2176
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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:3908
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3420
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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:912
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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:5108
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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:4572
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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:244
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1056 -
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:3288 -
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:5112
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1552
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d6f22f761eddbd64cf32bde1a1f7ecd
SHA1d84271652e2caeaec7bd76ee0e8442e79965b475
SHA256699b1e70d7bba16e1127aaa7e8d53c263eded5fe12c9882a01c3c26bafb672b9
SHA51222883dfe4bb199c6a6426a8e35313488002601c3da3959e4a242656a2b3bb3160b069a88110862fa9cc772085d8199912cb277a9047b574a703982c09c8b62bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dea17ae71250e017dd072e548eb0e124
SHA10674f660c34a1949329c459b060ae3a03015b656
SHA25600e491751665ec274db91bc68bd5024d9a052a567be8b390ca3b7bdc169eb1af
SHA5122cd479dc7822c5e35b06df88cd726a191013a0ef916dcc72b81d9d960a71d7a3b3e2e419a54e4672c791db453f05a4c49e15a0313424bb3ed259dd6bc2aa6364
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c9cdcefe7d2c15f20367cb607f1ed45
SHA16f0c557c410cf3cafa5b33573fbdd56db09b30b4
SHA25606d1a4b74e32d097dbc0c5237cdd4c73dabad5d3617316df4dfc4c7bca425b9c
SHA512110ad84bbc3c5dafdda33c8201e547b04707702a0de8923c7dfb20904bc7ba993ea3f9bb6254b9df4822eb58b50f3834fee5748cbb43ce8f738d175d92a3048e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528930a7b9116ed8a8a83a42b1510629e
SHA1fe106a82470208529f086a4305c1c38391de83c5
SHA25647acc4df2e88cede08f3147c46dad4b2f121bb38844c47e11aceb6145f43317c
SHA51268cf33a91a54253df7f5fabdbbdfda9c7767a425d5d0699d1a2a73ac29389cce65abfebd469e1ef90448a86ee36f0e0a654943e0c96fbe6b311952da5bce3292
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc6d8262a9fc9bd8ba4401e25d9003f2
SHA1136067ff993914f0b934e646a6aec8957cdee17e
SHA256ae27c01d7370f4d1ef2146160a4d48a64967c24380c4c5441dc18fedb4d9401b
SHA512a86d5083b8675f11a5c0972f50d780b0bd904a0cfbda01796f61d7af78cf719fa29975a9458bd55789579020d2d9e5d2d0f2c1952a7a9d8a37b2de2d046ac66c
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Filesize
4.2MB
MD53659da1ddafd9a0e9815370308f7e4cf
SHA1fe40d45dad40839a077aff064721febfc8499eeb
SHA256f0f0929cc5945ccea5b2c2a3be9c30bd0129d46f78a782a70a04969ee4b51a64
SHA512de7d225ffb94f18af6a0603e83ed8db5315a2eda524d5b57494ca29e154cac6d483de8b32894881e7fb96d1b54f6443ca681a7f8d25ad3a3e615a06346626283
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec