Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:35
Static task
static1
Behavioral task
behavioral1
Sample
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe
Resource
win7-20240221-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 behavioral2/memory/3336-2-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral2/memory/3336-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3336-77-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3336-95-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral2/memory/1932-135-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3336-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2028-259-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 384 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2028 csrss.exe 4872 injector.exe 620 windefender.exe 748 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000800000002343a-220.dat upx behavioral2/memory/620-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/748-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/620-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/748-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/748-236-0x0000000000400000-0x00000000008DF000-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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.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 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 3064 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2096 powershell.exe 3188 powershell.exe 1552 powershell.exe 984 powershell.exe 1800 powershell.exe 312 powershell.exe 3988 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 1596 schtasks.exe 5068 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\@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,-962 = "Paraguay Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.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\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.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,-2322 = "Sakhalin Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-652 = "AUS Central Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 984 powershell.exe 984 powershell.exe 3336 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 3336 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1800 powershell.exe 1800 powershell.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 312 powershell.exe 312 powershell.exe 3988 powershell.exe 3988 powershell.exe 2096 powershell.exe 2096 powershell.exe 3188 powershell.exe 3188 powershell.exe 1552 powershell.exe 1552 powershell.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 2028 csrss.exe 2028 csrss.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 2028 csrss.exe 2028 csrss.exe 4872 injector.exe 4872 injector.exe 2028 csrss.exe 2028 csrss.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 984 powershell.exe Token: SeDebugPrivilege 3336 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Token: SeImpersonatePrivilege 3336 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Token: SeDebugPrivilege 1800 powershell.exe Token: SeDebugPrivilege 312 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 2096 powershell.exe Token: SeDebugPrivilege 3188 powershell.exe Token: SeDebugPrivilege 1552 powershell.exe Token: SeSystemEnvironmentPrivilege 2028 csrss.exe Token: SeSecurityPrivilege 3064 sc.exe Token: SeSecurityPrivilege 3064 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3336 wrote to memory of 984 3336 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 85 PID 3336 wrote to memory of 984 3336 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 85 PID 3336 wrote to memory of 984 3336 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 85 PID 1932 wrote to memory of 1800 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 94 PID 1932 wrote to memory of 1800 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 94 PID 1932 wrote to memory of 1800 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 94 PID 1932 wrote to memory of 2664 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 98 PID 1932 wrote to memory of 2664 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 98 PID 2664 wrote to memory of 384 2664 cmd.exe 100 PID 2664 wrote to memory of 384 2664 cmd.exe 100 PID 1932 wrote to memory of 312 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 101 PID 1932 wrote to memory of 312 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 101 PID 1932 wrote to memory of 312 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 101 PID 1932 wrote to memory of 3988 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 103 PID 1932 wrote to memory of 3988 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 103 PID 1932 wrote to memory of 3988 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 103 PID 1932 wrote to memory of 2028 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 105 PID 1932 wrote to memory of 2028 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 105 PID 1932 wrote to memory of 2028 1932 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 105 PID 2028 wrote to memory of 2096 2028 csrss.exe 106 PID 2028 wrote to memory of 2096 2028 csrss.exe 106 PID 2028 wrote to memory of 2096 2028 csrss.exe 106 PID 2028 wrote to memory of 3188 2028 csrss.exe 112 PID 2028 wrote to memory of 3188 2028 csrss.exe 112 PID 2028 wrote to memory of 3188 2028 csrss.exe 112 PID 2028 wrote to memory of 1552 2028 csrss.exe 114 PID 2028 wrote to memory of 1552 2028 csrss.exe 114 PID 2028 wrote to memory of 1552 2028 csrss.exe 114 PID 2028 wrote to memory of 4872 2028 csrss.exe 116 PID 2028 wrote to memory of 4872 2028 csrss.exe 116 PID 620 wrote to memory of 4892 620 windefender.exe 124 PID 620 wrote to memory of 4892 620 windefender.exe 124 PID 620 wrote to memory of 4892 620 windefender.exe 124 PID 4892 wrote to memory of 3064 4892 cmd.exe 125 PID 4892 wrote to memory of 3064 4892 cmd.exe 125 PID 4892 wrote to memory of 3064 4892 cmd.exe 125 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe"C:\Users\Admin\AppData\Local\Temp\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3336 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:984
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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:1932 -
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:1800
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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:2664 -
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:384
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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:312
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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:3988
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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:2028 -
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:2096
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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:1596
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2300
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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:3188
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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:1552
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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:4872
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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:5068
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:620 -
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:4892 -
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:3064
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:748
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
MD5ca0cfe02b0ddc25ba087e2223102ee31
SHA1b89e03d5541eec125863a79e9f359b93db647ebd
SHA256fd0fe377b478ee84e73212d716363f7699dfed16a23c80c5e1193b4e961bb302
SHA5122c37f9ff5f04ac18f7cf4a979ebd90f8745cbc314bccc1a94aeece31892bc36be98a4c9dbee60da63617fd26244cb82205d1792f074f2e3428673f33376f6e97
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50675069b1aa441e72a89864550259291
SHA192eae376b56d4f05bfba2d34fa58a31cc94ef436
SHA256ba83cee2269f4ab506a067351cbf9c6c8b3f806af12d9fbc82e8e00cd07dfb3f
SHA512c0009f5451a91efbc4189bf1961e9460776d868e8f91921df5ed4702c4974995707e196be17b7285fdbd1e7c7f5268d3f7acae5b5c517fa26271d5214ed6994b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c5103ea5fba13897179d5877145dee9d
SHA16bf8f1cf5594c13010c18f4fda442c519b62bd56
SHA25624fd46bb204d4852088d546fbae94ec1d5b1d9e67dd8bbb60d52b46c852ce0f8
SHA512f706b5d8b503ec5581ea6288db941645a9f3a9c78bb446bf34211e9f9b81fee0802707e9671ff5ef1145c48302e9c1898d2abd4397fc8260e5b7a6752e474890
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53278d5c6e14eb218d7c8d6c5ffdc3787
SHA15f41b56a1ffa157364eaee062b9e63d7129660a6
SHA256105eb3be60fc466f4cc6e8a11f08c55f2e76c28705306caa09f8377d0dd179f0
SHA512093fa0fc0564de87e44a35e3739e6567a201991879181af86baed223b9ecdbbe594791e10b9ec3691e49d21a1911eb41cf7554861473fc50dc3594fe913731e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57078c97c1857b31a78550c40f0704a00
SHA1886ac192bb9acf786c8dab5d707ec9cc71c93e69
SHA2565411d70884910b6b21e39d4cdd1fedbd022287605333e1f24f1fb45fb3c896b9
SHA512d95ccc47cc56f940e9f44a1c3fd915c09b8348437f1a29a5cbca3c5f6ce7a907fe740e1c39c8e3d4c8943d8f3a91e9ceb2c709a76529c37a7efa5adb090ca332
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Filesize
4.1MB
MD57c47f4ff30781e6936359f06900fef5a
SHA1c51f6e7daadfca18ba49c02a27348ee429ac59cf
SHA2562c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477
SHA512601431e0f5ac03dc1bec29815566247ce47745987a8b443ab85f1b926e36917624b1ee8a1bc3ced0420af301524d0c316b8d530574d363973c9ae0b4c9bf7785
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec