Analysis
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max time kernel
149s -
max time network
144s -
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 15:53
Static task
static1
Behavioral task
behavioral1
Sample
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe
Resource
win10v2004-20240412-en
General
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Target
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe
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Size
4.2MB
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MD5
80dcd002613d02cf485e511aa3cff427
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SHA1
dc10c38af729c9b18b5840a149c28e65fe8f49bf
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SHA256
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b
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SHA512
7fb5cd2886932cab4cf764bed7d3de6feabc434faf90a7d2e28dafb5e1034b546ddf7ba8a1998c7265eacb8b3d6d7ac02a4fe8ce038e3c1333d89337ae5388f1
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SSDEEP
98304:XoZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJe/:X3OuIEug7vwUGt7S+nKp
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/4900-2-0x0000000003F50000-0x000000000483B000-memory.dmp family_glupteba behavioral1/memory/4900-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4900-56-0x0000000003F50000-0x000000000483B000-memory.dmp family_glupteba behavioral1/memory/3460-57-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4900-61-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3460-121-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3460-133-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3460-157-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-257-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-284-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-287-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-290-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-293-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4516-296-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4504 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4516 csrss.exe 4620 injector.exe 2640 windefender.exe 4904 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2640-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4904-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4904-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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\"" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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 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:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe -
Drops file in Windows directory 4 IoCs
Processes:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe File created C:\Windows\rss\csrss.exe 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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 4960 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 4508 schtasks.exe 1756 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard 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\@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,-601 = "Taipei Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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 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,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exepowershell.exe9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4740 powershell.exe 4740 powershell.exe 4900 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 4900 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3036 powershell.exe 3036 powershell.exe 3036 powershell.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2228 powershell.exe 2228 powershell.exe 1892 powershell.exe 1892 powershell.exe 2324 powershell.exe 2324 powershell.exe 2020 powershell.exe 2020 powershell.exe 2712 powershell.exe 2712 powershell.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4516 csrss.exe 4516 csrss.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4516 csrss.exe 4516 csrss.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4516 csrss.exe 4516 csrss.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 4900 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Token: SeImpersonatePrivilege 4900 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 1892 powershell.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeSystemEnvironmentPrivilege 4516 csrss.exe Token: SeSecurityPrivilege 4960 sc.exe Token: SeSecurityPrivilege 4960 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4900 wrote to memory of 4740 4900 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 4900 wrote to memory of 4740 4900 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 4900 wrote to memory of 4740 4900 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 3036 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 3036 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 3036 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 4548 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe cmd.exe PID 3460 wrote to memory of 4548 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe cmd.exe PID 4548 wrote to memory of 4504 4548 cmd.exe netsh.exe PID 4548 wrote to memory of 4504 4548 cmd.exe netsh.exe PID 3460 wrote to memory of 2228 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 2228 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 2228 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 1892 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 1892 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 1892 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 3460 wrote to memory of 4516 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe csrss.exe PID 3460 wrote to memory of 4516 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe csrss.exe PID 3460 wrote to memory of 4516 3460 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe csrss.exe PID 4516 wrote to memory of 2324 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 2324 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 2324 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 2020 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 2020 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 2020 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 2712 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 2712 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 2712 4516 csrss.exe powershell.exe PID 4516 wrote to memory of 4620 4516 csrss.exe injector.exe PID 4516 wrote to memory of 4620 4516 csrss.exe injector.exe PID 2640 wrote to memory of 4232 2640 windefender.exe cmd.exe PID 2640 wrote to memory of 4232 2640 windefender.exe cmd.exe PID 2640 wrote to memory of 4232 2640 windefender.exe cmd.exe PID 4232 wrote to memory of 4960 4232 cmd.exe sc.exe PID 4232 wrote to memory of 4960 4232 cmd.exe sc.exe PID 4232 wrote to memory of 4960 4232 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\9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe"C:\Users\Admin\AppData\Local\Temp\9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4740
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C:\Users\Admin\AppData\Local\Temp\9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe"C:\Users\Admin\AppData\Local\Temp\9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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:3460 -
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:3036
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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:4548 -
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:4504
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892
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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:4516 -
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:2324
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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:4508
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4408
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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:2020
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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:2712
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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:4620
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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:1756
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2640 -
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:4232 -
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:4960
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4904
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
MD58385a3c522416ff0fb81e2d8b881d4b0
SHA18a42e2edf2222e8bd04bb8d4b3f16379d0ce2fb3
SHA256e9382a2d511f8ac85f803836a03b8843484fa6b5c0320851d745f6c8dedfb2ac
SHA512ced27608bbe23d4510a9e1b9540965706d3e43bd38899101a9cc96f58f6bc79a4cd21b809efd9dc675471467fe45100d75d8e2d9b0f725105af0be9cb2cb91eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524de4b9af2f918effac4cf4118b60b59
SHA1df446fb70b86c475e988302f5145239d2ef8ebcc
SHA2563769a5cd8724af84e3829fe7d0d7246909fc146e14a47ad41579d58022c4bd71
SHA512e88ddce3fcceca092463650a78b9b020b209ea439ea7e3fa1965eec2692451ffdc87ed1e78d3a30f445190baf6da6adebada9d528d4a38bfd8bf46997efb688e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c244f780c7286821d25b64334e0a5a2c
SHA19bdda06c771b894ccb3508dfd69f22515d4ebc0a
SHA256c4fbb16b2c343d8fb6ae16a7f06ff5590f47a4852c57265e4607b0ee33590a32
SHA51230cf831aecdb899b811873774aee0246d6563b0870342a292cdab04e50e5021a122d5b143f59c90c471c99706488b9916df1cf3755ef924c620f9c71c919783e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55bcbe2160d2b880b547f636c9a3b8a48
SHA137ac41021318320a6f19fc06783b1d429512a1c8
SHA2561f504d58048b3e862a6bde3e542162f03831b13c41bee72dd3aaaf340d96d831
SHA512435f1fbbd9e4815c59d1e1c977497945df543b0540d65ffb98e58899e2f8dd7f71a5d1ac7a6b560766fb6f37773c5e8f5a7323631b4899f55220684944d882f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb624a3337c212cd7cf1df1910a7c43e
SHA11438dca893dd5c8b0f84c31037025d04cb6824a9
SHA256872e856e1151ac623a0ce160f5aef619013b8084fa87f0b586b43e5b80783892
SHA512034ff5041087188cce3c4aceb1010768532ddc3617aac5887314a586e0338f1661bba5f08973816b085eaa38438a73b5d36fa1ac03598dd461501243253f672f
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Filesize
4.2MB
MD580dcd002613d02cf485e511aa3cff427
SHA1dc10c38af729c9b18b5840a149c28e65fe8f49bf
SHA2569fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b
SHA5127fb5cd2886932cab4cf764bed7d3de6feabc434faf90a7d2e28dafb5e1034b546ddf7ba8a1998c7265eacb8b3d6d7ac02a4fe8ce038e3c1333d89337ae5388f1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec