Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 22:44
Static task
static1
Behavioral task
behavioral1
Sample
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe
Resource
win10v2004-20240412-en
General
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Target
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe
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Size
4.2MB
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MD5
29f5b3dbfec146e667a0706d36251069
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SHA1
a062eb876d339b850714792eed620c53354daeab
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SHA256
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3
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SHA512
887243d23c42d45a7620587c76359121e0f8a99169b66d4e14eb7c68b70c14866ffae0d713fcb4ee6a7fc8cf3f2baad9b8bef0345dcdddb236ec574fdcdebbf3
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SSDEEP
98304:3/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGa:PdVQtLoTZDg5GO9BqlcS
Malware Config
Signatures
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Glupteba payload 21 IoCs
Processes:
resource yara_rule behavioral1/memory/3716-2-0x0000000004120000-0x0000000004A0B000-memory.dmp family_glupteba behavioral1/memory/3716-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3716-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1976-58-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/3716-59-0x0000000004120000-0x0000000004A0B000-memory.dmp family_glupteba behavioral1/memory/1976-60-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1976-134-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1976-155-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-283-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-287-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4376-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1268 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4376 csrss.exe 1892 injector.exe 5056 windefender.exe 4644 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/5056-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4644-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4644-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4644-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 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 -
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:
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe -
Drops file in Windows directory 4 IoCs
Processes:
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.execsrss.exedescription ioc process File opened for modification C:\Windows\rss e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe File created C:\Windows\rss\csrss.exe e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.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 1804 sc.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 5032 schtasks.exe 1180 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.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\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exepowershell.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2980 powershell.exe 2980 powershell.exe 3716 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 3716 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 4884 powershell.exe 4884 powershell.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe 5016 powershell.exe 5016 powershell.exe 3200 powershell.exe 3200 powershell.exe 3200 powershell.exe 2368 powershell.exe 2368 powershell.exe 2368 powershell.exe 1620 powershell.exe 1620 powershell.exe 1620 powershell.exe 4616 powershell.exe 4616 powershell.exe 4616 powershell.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 4376 csrss.exe 4376 csrss.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 4376 csrss.exe 4376 csrss.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 4376 csrss.exe 4376 csrss.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe 1892 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 3716 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Token: SeImpersonatePrivilege 3716 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeSystemEnvironmentPrivilege 4376 csrss.exe Token: SeSecurityPrivilege 1804 sc.exe Token: SeSecurityPrivilege 1804 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exee8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3716 wrote to memory of 2980 3716 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 3716 wrote to memory of 2980 3716 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 3716 wrote to memory of 2980 3716 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 4884 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 4884 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 4884 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 2332 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe cmd.exe PID 1976 wrote to memory of 2332 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe cmd.exe PID 2332 wrote to memory of 1268 2332 cmd.exe netsh.exe PID 2332 wrote to memory of 1268 2332 cmd.exe netsh.exe PID 1976 wrote to memory of 5016 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 5016 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 5016 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 3200 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 3200 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 3200 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe powershell.exe PID 1976 wrote to memory of 4376 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe csrss.exe PID 1976 wrote to memory of 4376 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe csrss.exe PID 1976 wrote to memory of 4376 1976 e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe csrss.exe PID 4376 wrote to memory of 2368 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 2368 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 2368 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 1620 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 1620 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 1620 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 4616 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 4616 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 4616 4376 csrss.exe powershell.exe PID 4376 wrote to memory of 1892 4376 csrss.exe injector.exe PID 4376 wrote to memory of 1892 4376 csrss.exe injector.exe PID 5056 wrote to memory of 2084 5056 windefender.exe cmd.exe PID 5056 wrote to memory of 2084 5056 windefender.exe cmd.exe PID 5056 wrote to memory of 2084 5056 windefender.exe cmd.exe PID 2084 wrote to memory of 1804 2084 cmd.exe sc.exe PID 2084 wrote to memory of 1804 2084 cmd.exe sc.exe PID 2084 wrote to memory of 1804 2084 cmd.exe sc.exe -
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\e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe"C:\Users\Admin\AppData\Local\Temp\e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980 -
C:\Users\Admin\AppData\Local\Temp\e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.exe"C:\Users\Admin\AppData\Local\Temp\e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3.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:1976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4884 -
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:2332 -
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:1268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5016 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3200 -
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:4376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5032 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4528
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4616 -
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:1892 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1180 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5056 -
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:2084 -
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:1804
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4644
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
MD51628b78d4ef8131efe3089aaefda5c74
SHA13d74911d0535a641667448eeb20aea38987425ec
SHA256a0aaed0dcb0a8e0e569e6b626bc29211143b16d476e9c51920ea635a9865448d
SHA512eb2a8beb4eb2f4a733daca4427b5a477bbd18c5edf8750e77a718c02ac338fee35613dfb82f7dfe77bbc8ceeef85e3159abb4bbd6cf7eba4e55d94865946d848
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a7e235cacb452fdeff6611b93a1c170
SHA1b2e7dd75fc0202ffce79d9ccf4de6dcb4edc1b82
SHA256aa8af4e5951af03422ebd20d140fe3782c1629767eaf65c4dcec962fdc4e359f
SHA512001e369dfb3abaf447a47297b2a2bb67ff61a5dabf40a3959f769e8ee4f146ddf647fd21b19f611d145a2ae6111d90256af3655fb471e87c172fce58065aaa7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8f0c1f1e2ae8f605a29ace26834df0e
SHA193dec7bdb5edc9fbc1021be25614dda810b69456
SHA2568871b4389561cbed4e7a9d9eb121c91b17a6c9228103f3368215cc69b870c8fc
SHA512b698ad80192f99f321ba55ba1afeb359bdab66171b765dc7f00baa805686ea80cd57777ff596f51d1cc20afdf93a61f829bc83516126aacac2edbdb4b968a319
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f5eba9552bfb64bb7225e1a35d43aba
SHA1b03996075d17083b77fec832ea739975e9526d0b
SHA2560e4d1066a85317e40ca5cce8e6bd2f168322b2740e80a020a4d8eb110abc5fdb
SHA51287c1b7649e5d0e293210bcf78fd7f8e6db6e19fb838d6cdcc35e825080e9d7a5c9ad65ae504d82dc7aa682359c567b6a6fc964362a228af3abc8540d5973c055
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ec1cfab713067243532b9b8e0955ab5
SHA1dd374067999fe89674af806937accf766e8bad0a
SHA2568de79ae3097c5b89236dab639d7048b02e1575c450cd1e9dc4d4fbecc103f83f
SHA512429a37315a5458e00cd037df1527bec1cecdc9eaca76c5a99307b9b97c4f1720e73818ebff6ba881981f4854f0e8165d829b6e4bf6f5594e31787e08e5d87932
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Filesize
4.2MB
MD529f5b3dbfec146e667a0706d36251069
SHA1a062eb876d339b850714792eed620c53354daeab
SHA256e8f8d26d2f48ed0cf31d557901ca3c27c304e6364649f4daec2dcc7e796a46b3
SHA512887243d23c42d45a7620587c76359121e0f8a99169b66d4e14eb7c68b70c14866ffae0d713fcb4ee6a7fc8cf3f2baad9b8bef0345dcdddb236ec574fdcdebbf3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec