Analysis
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max time kernel
149s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 09:44
Static task
static1
Behavioral task
behavioral1
Sample
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe
Resource
win10v2004-20240508-en
General
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Target
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe
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Size
4.1MB
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MD5
ade05b63b500bf30521e60b42e391e81
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SHA1
204b3c3caa4d8c98fd93c4e76e61fb7c1bb53b3c
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SHA256
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673
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SHA512
07fd4ec3ffa6033b93940c587fa735786e88a0910618c82b5f2c4238f5499b61b406a2e6065d13c0aeef7c060ad662a7c72d484b34e644124f1ee8db7337ef5b
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SSDEEP
98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5U:8r7OagDbOPW/F2k5tRZaLrm
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/4856-2-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/4856-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3844-58-0x0000000002D20000-0x000000000360B000-memory.dmp family_glupteba behavioral1/memory/4856-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3844-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3844-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3308 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1636 csrss.exe 3328 injector.exe 3000 windefender.exe 396 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023442-220.dat upx behavioral1/memory/3000-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/396-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3000-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/396-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/396-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe -
Drops file in Windows directory 4 IoCs
Processes:
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe File created C:\Windows\rss\csrss.exe 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.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.
Processes:
sc.exepid Process 2076 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 968 powershell.exe 3368 powershell.exe 2232 powershell.exe 4676 powershell.exe 4880 powershell.exe 2016 powershell.exe 832 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 5076 schtasks.exe 868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.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\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exepowershell.exe4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 968 powershell.exe 968 powershell.exe 4856 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 4856 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3368 powershell.exe 3368 powershell.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 2232 powershell.exe 2232 powershell.exe 4676 powershell.exe 4676 powershell.exe 4880 powershell.exe 4880 powershell.exe 2016 powershell.exe 2016 powershell.exe 832 powershell.exe 832 powershell.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 1636 csrss.exe 1636 csrss.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 1636 csrss.exe 1636 csrss.exe 3328 injector.exe 3328 injector.exe 1636 csrss.exe 1636 csrss.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe 3328 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 968 powershell.exe Token: SeDebugPrivilege 4856 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Token: SeImpersonatePrivilege 4856 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 2016 powershell.exe Token: SeDebugPrivilege 832 powershell.exe Token: SeSystemEnvironmentPrivilege 1636 csrss.exe Token: SeSecurityPrivilege 2076 sc.exe Token: SeSecurityPrivilege 2076 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4856 wrote to memory of 968 4856 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 86 PID 4856 wrote to memory of 968 4856 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 86 PID 4856 wrote to memory of 968 4856 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 86 PID 3844 wrote to memory of 3368 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 97 PID 3844 wrote to memory of 3368 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 97 PID 3844 wrote to memory of 3368 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 97 PID 3844 wrote to memory of 2088 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 101 PID 3844 wrote to memory of 2088 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 101 PID 2088 wrote to memory of 3308 2088 cmd.exe 103 PID 2088 wrote to memory of 3308 2088 cmd.exe 103 PID 3844 wrote to memory of 2232 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 104 PID 3844 wrote to memory of 2232 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 104 PID 3844 wrote to memory of 2232 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 104 PID 3844 wrote to memory of 4676 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 106 PID 3844 wrote to memory of 4676 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 106 PID 3844 wrote to memory of 4676 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 106 PID 3844 wrote to memory of 1636 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 108 PID 3844 wrote to memory of 1636 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 108 PID 3844 wrote to memory of 1636 3844 4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe 108 PID 1636 wrote to memory of 4880 1636 csrss.exe 109 PID 1636 wrote to memory of 4880 1636 csrss.exe 109 PID 1636 wrote to memory of 4880 1636 csrss.exe 109 PID 1636 wrote to memory of 2016 1636 csrss.exe 115 PID 1636 wrote to memory of 2016 1636 csrss.exe 115 PID 1636 wrote to memory of 2016 1636 csrss.exe 115 PID 1636 wrote to memory of 832 1636 csrss.exe 117 PID 1636 wrote to memory of 832 1636 csrss.exe 117 PID 1636 wrote to memory of 832 1636 csrss.exe 117 PID 1636 wrote to memory of 3328 1636 csrss.exe 120 PID 1636 wrote to memory of 3328 1636 csrss.exe 120 PID 3000 wrote to memory of 3304 3000 windefender.exe 127 PID 3000 wrote to memory of 3304 3000 windefender.exe 127 PID 3000 wrote to memory of 3304 3000 windefender.exe 127 PID 3304 wrote to memory of 2076 3304 cmd.exe 128 PID 3304 wrote to memory of 2076 3304 cmd.exe 128 PID 3304 wrote to memory of 2076 3304 cmd.exe 128 -
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\4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe"C:\Users\Admin\AppData\Local\Temp\4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:968
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C:\Users\Admin\AppData\Local\Temp\4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.exe"C:\Users\Admin\AppData\Local\Temp\4bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673.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:3844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3368
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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:2088 -
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:3308
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2232
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4676
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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:1636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880
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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:868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:212
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2016
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:832
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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:3328
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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:5076
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3000 -
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:3304 -
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:2076
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:396
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
MD570f8b80caad0e80e6aef5300fbd3f38c
SHA12f067dce16b6541e09dc499cc7965e4dd69c1048
SHA256cc287329a524936c40928ef5cba96ef9d8d1af13dfd1ef647b6b1804ab8fe6a8
SHA5129c474f81350d58fce59ffb20e4f0d7994b25067b1e7ffd918c596dba9b3016b4e608b509bc89be4892c06c83f281e70c56ff4820671e8770f462ba74cf54a668
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6d81e38c61d17d06dd0a65544ab4b94
SHA1e552989139ec538a5b64a6539abe784c5b7065af
SHA256d3c15f867753dc2b40c47af63d36706df6da0f26dab17dc15911a5ff76842d98
SHA512c5219bdc384e469eb8deb7cfea2dd8e31ff59c081c55e87b3e1813f0f63605a0e704cd568314314fd3d716eb066977a855083f21b97db4e08836c3e4a0a2de04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ec3e1527741ed66424f37566db2f23d
SHA135fc753974b94165ebee5d7f19924d02840f79ec
SHA2568127ae29b228c3e4a04a7b31c59f9421a959fcb35326093f8250c0d668e6c667
SHA5123a8c624daaa68533c0b816bd7e19ac960ae5f9a65ab5cdc1e76bfb426f8a7f7d1ed8d4b0e77fdbcbead2e6f9997b9ce217e73f8be55374b0015a99470202164d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e08e3a46e51d93b1eb69c7071ae76cf
SHA1279670fa878f2619f7366f83309008e0288f5d01
SHA256a4bb1ebc9bfd74517341139d53ae7ff5d3f759d84f1a7cb56b77f66d4a913456
SHA5126184ce924bafd9e50d3e748db270d37dcf1f855239f47b9bd737b20a1e1877d23294aaaca6f9624417d515e64d4a66c1227fba0a98ee2f829a09c93394fabf1d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd3a11a69d94b9b1da54cb302799c1bf
SHA12a2821f9cd5e80e217898d71cc34b8d126ad01cb
SHA256ca9eaa08b88b5bfc6bcd125bb21604c11d11463709fe83abd4d9c17f2fec62b4
SHA5128e2f00bfe7949b6b47eee496d9b9ad12c8e0428fcff79ce48c9af3b0908229af8c933640be65288e67a1d46ae5fa4203e8669518ea5675e8888895537c1f9c22
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Filesize
4.1MB
MD5ade05b63b500bf30521e60b42e391e81
SHA1204b3c3caa4d8c98fd93c4e76e61fb7c1bb53b3c
SHA2564bb24085d8af36d0914bf5124dc5733cec6604941ae13e096f94633985709673
SHA51207fd4ec3ffa6033b93940c587fa735786e88a0910618c82b5f2c4238f5499b61b406a2e6065d13c0aeef7c060ad662a7c72d484b34e644124f1ee8db7337ef5b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec