Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:23
Static task
static1
Behavioral task
behavioral1
Sample
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe
Resource
win10v2004-20240426-en
General
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Target
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe
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Size
4.1MB
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MD5
7c47f4ff30781e6936359f06900fef5a
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SHA1
c51f6e7daadfca18ba49c02a27348ee429ac59cf
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SHA256
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477
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SHA512
601431e0f5ac03dc1bec29815566247ce47745987a8b443ab85f1b926e36917624b1ee8a1bc3ced0420af301524d0c316b8d530574d363973c9ae0b4c9bf7785
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SSDEEP
98304:JvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1Z:JvHfb2IifudqhIuUHwAjW+H
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3240-2-0x0000000004890000-0x000000000517B000-memory.dmp family_glupteba behavioral1/memory/3240-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3240-157-0x0000000004890000-0x000000000517B000-memory.dmp family_glupteba behavioral1/memory/3240-155-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4884-186-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3240-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2152-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-259-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-264-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-268-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2152-272-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1380 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2152 csrss.exe 4472 injector.exe 4836 windefender.exe 436 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023416-220.dat upx behavioral1/memory/4836-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/436-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4836-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/436-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/436-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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 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.
Processes:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe -
Drops file in Windows directory 4 IoCs
Processes:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe File created C:\Windows\rss\csrss.exe 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.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 4872 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 5076 powershell.exe 4576 powershell.exe 4548 powershell.exe 3144 powershell.exe 1444 powershell.exe 620 powershell.exe 3248 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 2260 schtasks.exe 4628 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exepowershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.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\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.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 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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard 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,-152 = "Central America Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 620 powershell.exe 620 powershell.exe 3240 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 3240 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 3248 powershell.exe 3248 powershell.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 5076 powershell.exe 5076 powershell.exe 4576 powershell.exe 4576 powershell.exe 4548 powershell.exe 4548 powershell.exe 4548 powershell.exe 3144 powershell.exe 3144 powershell.exe 1444 powershell.exe 1444 powershell.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 2152 csrss.exe 2152 csrss.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 2152 csrss.exe 2152 csrss.exe 4472 injector.exe 4472 injector.exe 2152 csrss.exe 2152 csrss.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 620 powershell.exe Token: SeDebugPrivilege 3240 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Token: SeImpersonatePrivilege 3240 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeSystemEnvironmentPrivilege 2152 csrss.exe Token: SeSecurityPrivilege 4872 sc.exe Token: SeSecurityPrivilege 4872 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3240 wrote to memory of 620 3240 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 84 PID 3240 wrote to memory of 620 3240 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 84 PID 3240 wrote to memory of 620 3240 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 84 PID 4884 wrote to memory of 3248 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 93 PID 4884 wrote to memory of 3248 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 93 PID 4884 wrote to memory of 3248 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 93 PID 4884 wrote to memory of 2800 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 99 PID 4884 wrote to memory of 2800 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 99 PID 2800 wrote to memory of 1380 2800 cmd.exe 101 PID 2800 wrote to memory of 1380 2800 cmd.exe 101 PID 4884 wrote to memory of 5076 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 102 PID 4884 wrote to memory of 5076 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 102 PID 4884 wrote to memory of 5076 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 102 PID 4884 wrote to memory of 4576 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 106 PID 4884 wrote to memory of 4576 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 106 PID 4884 wrote to memory of 4576 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 106 PID 4884 wrote to memory of 2152 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 108 PID 4884 wrote to memory of 2152 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 108 PID 4884 wrote to memory of 2152 4884 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 108 PID 2152 wrote to memory of 4548 2152 csrss.exe 109 PID 2152 wrote to memory of 4548 2152 csrss.exe 109 PID 2152 wrote to memory of 4548 2152 csrss.exe 109 PID 2152 wrote to memory of 3144 2152 csrss.exe 115 PID 2152 wrote to memory of 3144 2152 csrss.exe 115 PID 2152 wrote to memory of 3144 2152 csrss.exe 115 PID 2152 wrote to memory of 1444 2152 csrss.exe 117 PID 2152 wrote to memory of 1444 2152 csrss.exe 117 PID 2152 wrote to memory of 1444 2152 csrss.exe 117 PID 2152 wrote to memory of 4472 2152 csrss.exe 119 PID 2152 wrote to memory of 4472 2152 csrss.exe 119 PID 4836 wrote to memory of 2512 4836 windefender.exe 125 PID 4836 wrote to memory of 2512 4836 windefender.exe 125 PID 4836 wrote to memory of 2512 4836 windefender.exe 125 PID 2512 wrote to memory of 4872 2512 cmd.exe 126 PID 2512 wrote to memory of 4872 2512 cmd.exe 126 PID 2512 wrote to memory of 4872 2512 cmd.exe 126 -
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\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe"C:\Users\Admin\AppData\Local\Temp\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:620
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C:\Users\Admin\AppData\Local\Temp\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe"C:\Users\Admin\AppData\Local\Temp\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.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:4884 -
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:3248
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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:2800 -
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:1380
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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:5076
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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:4576
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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:2152 -
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:4548
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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:2260
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5020
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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:3144
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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:1444
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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:4472
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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:4628
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4836 -
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:2512 -
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:4872
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:436
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524aa436a40747d5b58a058efee5a9659
SHA170900e5db5aa463d846e60296a8c9f8670ac938a
SHA25630761c128d2ad3a74a0f0077227f971fe24a0e64dbfccf3ae137326fc8631635
SHA512933f65f673f518a67867d68565348580afbbdc812aa33e668d966b5388cf925e4c960b19e6810a037ff64db990ec0b4add7f9cdf1918c84d87a15b23c4f95dca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bea6828b9062b71be7cb3ea3bff4f6d
SHA11619273155a567f4c9a7b4b7df3822c63c4ac75d
SHA2569e26334160234ce43508c11c7e2b5055a73f2ab7605be714ae1d33c8cbef064f
SHA512125dbf9dda4701dc5b955765e5c250cf3dcc1ecf75b879eb4e799f7d76935b07254d401cb55bd85d301d1b79d83b62307a9a37be7df9f59c74792636cc4545bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d43a8197acdbd51542d3865f404827c6
SHA1cdaa97bbe598b3c07db151f77af5da49787160ad
SHA25609f29ef278e5a812df6fc378c0d56bcc5b7fb995a55e2a55784e77648b7b335f
SHA512405c7b9cccf1dc1ea4e2d0ac73078ae140dad0d63cbf3eda5d948695ede621b7a9ac3f014b967659d21f8f293f1185b2ea35e8b76b4e5d66e487620d98204f80
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580b042c495e6683562a9abe614553101
SHA1d9d9cc1e33fee3c672a7e82e13fd2ee7ee5731e0
SHA256ba5606a069f4353489c6bfecb0e7081da51f7ee8d1ff2c5d0de095b92d384623
SHA512b9aa046b53fc1da3600cfb54db9bb0bfae7dacd650686e7a846de0602866e8821113e0e10899637085fae8950d5e00aa01b34dc42c3853c3c9724634d64aea62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5644928fc7fc92d9ddecbb9d4edb72f23
SHA1725f576d068f0b77cf63d351f7dfa4af3338b4ce
SHA256a63fb9f454686bb119fa448c23b3f00a99c5871a3c08487ccb82aaaaa807c0f5
SHA51296bdfb6682909a3c56ef0ee2770c1b30b66c9aa497a0429feed6d093dbc6f0a3b4538e1e0ae796aeb81e2a58e276e36dd2fe67567aae31545142d23868c4ae42
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Filesize
4.1MB
MD57c47f4ff30781e6936359f06900fef5a
SHA1c51f6e7daadfca18ba49c02a27348ee429ac59cf
SHA2562c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477
SHA512601431e0f5ac03dc1bec29815566247ce47745987a8b443ab85f1b926e36917624b1ee8a1bc3ced0420af301524d0c316b8d530574d363973c9ae0b4c9bf7785
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec