Analysis
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max time kernel
150s -
max time network
152s -
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 11:14
Static task
static1
Behavioral task
behavioral1
Sample
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe
Resource
win10v2004-20240508-en
General
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Target
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe
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Size
4.1MB
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MD5
fb2e39a18034b445e399231ee30e2975
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SHA1
049da88aa893e985cc5641c4c214189f0ab407f4
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SHA256
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc
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SHA512
6b57c8b90187f1a3cc8ea0fde900420de8a574ee75160f25914d1bbf5dcd17e33a54bf73423d6309d5758f9c4d3c87cf76951f1fe7c66935684dba78be0a7c13
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SSDEEP
98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2g:1H+PiSfw6Rz4ejOEAZ44S5J5ww2g
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4272-2-0x0000000004430000-0x0000000004D1B000-memory.dmp family_glupteba behavioral1/memory/4272-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4272-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4272-57-0x0000000004430000-0x0000000004D1B000-memory.dmp family_glupteba behavioral1/memory/4272-54-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4436-134-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2008-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2848 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2008 csrss.exe 4648 injector.exe 4364 windefender.exe 5000 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000800000002342f-222.dat upx behavioral1/memory/4364-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5000-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4364-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5000-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5000-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe -
Drops file in Windows directory 4 IoCs
Processes:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe File created C:\Windows\rss\csrss.exe 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.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 1988 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2232 powershell.exe 4104 powershell.exe 3100 powershell.exe 408 powershell.exe 1580 powershell.exe 2884 powershell.exe 3916 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 396 schtasks.exe 2652 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America 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,-151 = "Central America Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1580 powershell.exe 1580 powershell.exe 4272 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4272 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 2884 powershell.exe 2884 powershell.exe 2884 powershell.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3916 powershell.exe 3916 powershell.exe 2232 powershell.exe 2232 powershell.exe 4104 powershell.exe 4104 powershell.exe 3100 powershell.exe 3100 powershell.exe 408 powershell.exe 408 powershell.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 2008 csrss.exe 2008 csrss.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 2008 csrss.exe 2008 csrss.exe 4648 injector.exe 4648 injector.exe 2008 csrss.exe 2008 csrss.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1580 powershell.exe Token: SeDebugPrivilege 4272 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Token: SeImpersonatePrivilege 4272 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 4104 powershell.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 408 powershell.exe Token: SeSystemEnvironmentPrivilege 2008 csrss.exe Token: SeSecurityPrivilege 1988 sc.exe Token: SeSecurityPrivilege 1988 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4272 wrote to memory of 1580 4272 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 84 PID 4272 wrote to memory of 1580 4272 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 84 PID 4272 wrote to memory of 1580 4272 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 84 PID 4436 wrote to memory of 2884 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 97 PID 4436 wrote to memory of 2884 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 97 PID 4436 wrote to memory of 2884 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 97 PID 4436 wrote to memory of 3380 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 100 PID 4436 wrote to memory of 3380 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 100 PID 3380 wrote to memory of 2848 3380 cmd.exe 102 PID 3380 wrote to memory of 2848 3380 cmd.exe 102 PID 4436 wrote to memory of 3916 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 104 PID 4436 wrote to memory of 3916 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 104 PID 4436 wrote to memory of 3916 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 104 PID 4436 wrote to memory of 2232 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 106 PID 4436 wrote to memory of 2232 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 106 PID 4436 wrote to memory of 2232 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 106 PID 4436 wrote to memory of 2008 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 108 PID 4436 wrote to memory of 2008 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 108 PID 4436 wrote to memory of 2008 4436 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 108 PID 2008 wrote to memory of 4104 2008 csrss.exe 109 PID 2008 wrote to memory of 4104 2008 csrss.exe 109 PID 2008 wrote to memory of 4104 2008 csrss.exe 109 PID 2008 wrote to memory of 3100 2008 csrss.exe 114 PID 2008 wrote to memory of 3100 2008 csrss.exe 114 PID 2008 wrote to memory of 3100 2008 csrss.exe 114 PID 2008 wrote to memory of 408 2008 csrss.exe 117 PID 2008 wrote to memory of 408 2008 csrss.exe 117 PID 2008 wrote to memory of 408 2008 csrss.exe 117 PID 2008 wrote to memory of 4648 2008 csrss.exe 119 PID 2008 wrote to memory of 4648 2008 csrss.exe 119 PID 4364 wrote to memory of 4592 4364 windefender.exe 126 PID 4364 wrote to memory of 4592 4364 windefender.exe 126 PID 4364 wrote to memory of 4592 4364 windefender.exe 126 PID 4592 wrote to memory of 1988 4592 cmd.exe 127 PID 4592 wrote to memory of 1988 4592 cmd.exe 127 PID 4592 wrote to memory of 1988 4592 cmd.exe 127 -
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\759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe"C:\Users\Admin\AppData\Local\Temp\759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1580
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C:\Users\Admin\AppData\Local\Temp\759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe"C:\Users\Admin\AppData\Local\Temp\759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.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:4436 -
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:2884
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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:3380 -
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:2848
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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:3916
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2232
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C:\Windows\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:2008 -
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:4104
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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:396
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3464
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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:3100
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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:408
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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:4648
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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:2652
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4364 -
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:4592 -
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:1988
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5000
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
MD54ffd3dc3a27ad172ac5478e0fee9dc14
SHA114f80eaea00f9fbf60d2349432e022f7441350dd
SHA256a7aa1481ce47b3178a51a9bfdde10cbce1a6b1646372b365b8c23ce8b71baca8
SHA51297d1f5333bf44144737a362e48f1e8d9030ce0318d8b2ff6dc233d3c7753926b542eb764abee9fe1eaec67df737dd155a3dbec3d8c0c4964976ca2b262457c15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50105ecf0b8cf8cc70ee3b7084565ca3f
SHA11ad12490520658bafb3b461aa2683580a34f9b2b
SHA256223052b738a98e3ba8c880eac56da3fad3bcc1e49d78e81e114d3c8da03b6fcd
SHA512d1c5aa5aa72ca3ea4c83aa1971dcfe481acf7d7f4649ff6a6faf441164a98a02be2154b3a1fd2c4f8f3673878e108475c8a0341594b8a5549f0be99a9b52e60a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52df5bc8d6801ea57dcc146a885d7f97f
SHA1a6ab7745e339dfea0ba0b07b30e890ba1c77d922
SHA2568e8aee563915bbbee0671244cbbed2fe5260e49e0aa9d4af131a26adc8dbda48
SHA512a41b46be53af08d8c953e0e1dbe40c3e7ac5edd82abd25d8a68cba3ba94f0779f53bc00642b6c50973b3c1017faf45973af0e9a940947d6befe7e5055b7b6922
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d3b6e89db3a5994af19da8b3d57a52c
SHA13dc6725e3b342b63efdc5f5fc18622908ec28b64
SHA2564f4bb1f93370acf67971fe9184b6e0df83b3c67f60c645d1ec5a821e11982d42
SHA5123430a74b327e55dc406fc9fb148ae832ad87ebc4e7eb0dbd0e34d396c1bd6e56e10e486fe2e6f9ddaff1ffbb9f63cff562dfa87beea1f8eab7c086926ef4c3fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f5b7d096f5b03fdda0fc4e37eca2cf1
SHA12941cb5609b14286aeb4f15ec35633b316f2e6fc
SHA25644f86251d6b538fe585d2e1b8442a06b5f55d99ee0a063ec4fbcc0644751e299
SHA512fdcc6c6b3b258f45f72aa5afb63d49842488793fbc6c7ab7a66732e8bd23438ac0a790f47e7ad5f942a6db0f33839e63851c0a337c1396517c06946d91281838
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Filesize
4.1MB
MD5fb2e39a18034b445e399231ee30e2975
SHA1049da88aa893e985cc5641c4c214189f0ab407f4
SHA256759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc
SHA5126b57c8b90187f1a3cc8ea0fde900420de8a574ee75160f25914d1bbf5dcd17e33a54bf73423d6309d5758f9c4d3c87cf76951f1fe7c66935684dba78be0a7c13
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec