Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:24
Static task
static1
Behavioral task
behavioral1
Sample
64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe
Resource
win10v2004-20240508-en
General
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Target
64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe
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Size
4.1MB
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MD5
51638aaa58158dd58d2d49d4e140ed20
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SHA1
41beaf282684d291561c96a0ab7dfa051da3f48b
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SHA256
64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5
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SHA512
760e6511cd0d87e3c2dbf4cab5d919f33c6dccb019b2d59d334f73a496268b0970c5e576613f71a1efde3f13d236582e8cb696930626b1f92cd72667e3b737c3
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SSDEEP
98304:BvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1A:BvHfb2IifudqhIuUHwAjW+S
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4248-2-0x00000000047F0000-0x00000000050DB000-memory.dmp family_glupteba behavioral1/memory/4248-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4248-78-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4248-105-0x00000000047F0000-0x00000000050DB000-memory.dmp family_glupteba behavioral1/memory/4248-169-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1588-168-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-263-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-266-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3468-272-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4556 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3468 csrss.exe 3132 injector.exe 1412 windefender.exe 4568 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000233ef-220.dat upx behavioral1/memory/1412-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4568-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1412-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4568-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4568-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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:
64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe -
Drops file in Windows directory 4 IoCs
Processes:
64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe File created C:\Windows\rss\csrss.exe 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.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 3688 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2368 powershell.exe 4792 powershell.exe 1508 powershell.exe 5028 powershell.exe 3232 powershell.exe 804 powershell.exe 2652 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 1180 schtasks.exe 1556 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.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,-371 = "Jerusalem Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.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\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exepowershell.exe64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2368 powershell.exe 2368 powershell.exe 4248 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 4248 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 4792 powershell.exe 4792 powershell.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 1508 powershell.exe 1508 powershell.exe 5028 powershell.exe 5028 powershell.exe 3232 powershell.exe 3232 powershell.exe 804 powershell.exe 804 powershell.exe 2652 powershell.exe 2652 powershell.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3468 csrss.exe 3468 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3468 csrss.exe 3468 csrss.exe 3132 injector.exe 3132 injector.exe 3468 csrss.exe 3468 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 4248 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Token: SeImpersonatePrivilege 4248 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 804 powershell.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeSystemEnvironmentPrivilege 3468 csrss.exe Token: SeSecurityPrivilege 3688 sc.exe Token: SeSecurityPrivilege 3688 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4248 wrote to memory of 2368 4248 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 83 PID 4248 wrote to memory of 2368 4248 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 83 PID 4248 wrote to memory of 2368 4248 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 83 PID 1588 wrote to memory of 4792 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 94 PID 1588 wrote to memory of 4792 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 94 PID 1588 wrote to memory of 4792 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 94 PID 1588 wrote to memory of 2984 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 97 PID 1588 wrote to memory of 2984 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 97 PID 2984 wrote to memory of 4556 2984 cmd.exe 100 PID 2984 wrote to memory of 4556 2984 cmd.exe 100 PID 1588 wrote to memory of 1508 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 101 PID 1588 wrote to memory of 1508 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 101 PID 1588 wrote to memory of 1508 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 101 PID 1588 wrote to memory of 5028 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 103 PID 1588 wrote to memory of 5028 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 103 PID 1588 wrote to memory of 5028 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 103 PID 1588 wrote to memory of 3468 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 105 PID 1588 wrote to memory of 3468 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 105 PID 1588 wrote to memory of 3468 1588 64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe 105 PID 3468 wrote to memory of 3232 3468 csrss.exe 106 PID 3468 wrote to memory of 3232 3468 csrss.exe 106 PID 3468 wrote to memory of 3232 3468 csrss.exe 106 PID 3468 wrote to memory of 804 3468 csrss.exe 111 PID 3468 wrote to memory of 804 3468 csrss.exe 111 PID 3468 wrote to memory of 804 3468 csrss.exe 111 PID 3468 wrote to memory of 2652 3468 csrss.exe 114 PID 3468 wrote to memory of 2652 3468 csrss.exe 114 PID 3468 wrote to memory of 2652 3468 csrss.exe 114 PID 3468 wrote to memory of 3132 3468 csrss.exe 116 PID 3468 wrote to memory of 3132 3468 csrss.exe 116 PID 1412 wrote to memory of 5028 1412 windefender.exe 123 PID 1412 wrote to memory of 5028 1412 windefender.exe 123 PID 1412 wrote to memory of 5028 1412 windefender.exe 123 PID 5028 wrote to memory of 3688 5028 cmd.exe 124 PID 5028 wrote to memory of 3688 5028 cmd.exe 124 PID 5028 wrote to memory of 3688 5028 cmd.exe 124 -
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\64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe"C:\Users\Admin\AppData\Local\Temp\64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368
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C:\Users\Admin\AppData\Local\Temp\64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.exe"C:\Users\Admin\AppData\Local\Temp\64421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5.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:1588 -
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:4792
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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:2984 -
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:4556
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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:1508
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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:5028
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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:3468 -
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:3232
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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:1180
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3324
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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:804
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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:2652
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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:3132
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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:1556
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1412 -
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:5028 -
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:3688
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4568
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
MD50e00d7edc4b15b7b9ac01102db00bf51
SHA161fe7421ee63f483d084ffdf00ce4ccefcfea0d4
SHA2568d20265eb7b3a389a2a45fb258d054608cab4500d05a713f75ac840d39e342dc
SHA5123a968c2c2aae47dbd5eabb3feaaa7031ffbcca6197e8ab5630b74606e6fb4e5385993f52d2154d7af5bea8c552b1d77d4a5b1ede5a843f01d83b6067ab6a769e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56502496c2a3569ed6c7496c5fe783cb4
SHA1b698b2ac9496c0cc98f95ef00ca520138651d30e
SHA2564fe6cf2c81271e08d8c1892866f82cb30123796a34070b32a7b66cab71fb1e9f
SHA5129f08005831f9a14c64aeb87d0a5449ccae4ac8d1640063dc0b62ddd42b60b6f1d43597aa164f124e6bcfdb171b4bc5bf817a758acf275518ec6e2fa27531b9aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8f7149c01cecc6c9c8326e8eff152af
SHA166c7411f51a7cb06a9d10fdb954fcad309179863
SHA2567be2f23567f07c84c3dd2b1a739424c7a2b4860d4af4668e92a44d1532558c8a
SHA512a04b8795de9830f50911b532dedf2faa152f2f095da8056be95766823f2db3e520a5b1b6349dcb44806bb4e00718edca8dc878854a3256885162686df8295fa6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee22bdaaf6db4c157a8f536d560fdf29
SHA12f582e4879a6afd2c94cae248c77c02da9ed0bc7
SHA2568ac8ae578e7e691851abf86962157aeb3c799dd50f006ae99c9148f24f886b85
SHA512e297150faef004cc08ae0767927b9306220ec26af540651c0908483ca3db8bee01ec6a6d314afac20fbb2aa56e5f272290679fa2ac064b22900859add46757ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555b74057fe18986beee2cb45fb70bd03
SHA1cddb5a250ee59ef84492b2df3c3763ff66ccf727
SHA256425317039c3d0170458a24f29609951ab14475b96b21093f937d1a0694109fbf
SHA51220b18a4638f9bed3020dd966f2ba8b1d4c220ee07cacc35d89cb9a87369b3b4c298dd8d6d9397d8330a31f950fd6e5625d70fd4a369abd26168e7aa7251a3275
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Filesize
4.1MB
MD551638aaa58158dd58d2d49d4e140ed20
SHA141beaf282684d291561c96a0ab7dfa051da3f48b
SHA25664421518b12f58757d77928f05284730d5ed451ad19e21cc01c32c69511aa2a5
SHA512760e6511cd0d87e3c2dbf4cab5d919f33c6dccb019b2d59d334f73a496268b0970c5e576613f71a1efde3f13d236582e8cb696930626b1f92cd72667e3b737c3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec