Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
14-05-2024 00:56
Static task
static1
Behavioral task
behavioral1
Sample
647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe
Resource
win10v2004-20240226-en
General
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Target
647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe
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Size
4.1MB
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MD5
2af5ceffa3035e5e8910c4fdcfd3ab83
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SHA1
a49b2810d1451c252dc38ccb63a3ec31501948fe
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SHA256
647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58
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SHA512
53449df9f1f971a13c427c3c7e31fc3315ca2d1a23124fe42ca11d53ebdfa46d49972ae8b43987f44c06c3d4fbc434bc6fefb2976ec42376d08196bfd26143e0
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SSDEEP
98304:EFETef+mmkxaPY+QSMo7d4VmoteWoCPtlnvHUEaCydSL:EFGef+mhxag+rMGd4V3tmut57tL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2884-2-0x0000000004DF0000-0x00000000056DB000-memory.dmp family_glupteba behavioral2/memory/2884-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2884-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2884-53-0x0000000004DF0000-0x00000000056DB000-memory.dmp family_glupteba behavioral2/memory/2884-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2884-75-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/820-76-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/820-130-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-153-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-208-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-220-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-224-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-236-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-240-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-244-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4640-247-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2764 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4640 csrss.exe 4760 injector.exe 1848 windefender.exe 4860 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab24-212.dat upx behavioral2/memory/1848-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4860-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1848-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4860-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4860-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process 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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe File created C:\Windows\rss\csrss.exe 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.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.
pid Process 3940 sc.exe -
pid Process 1736 powershell.exe 4320 powershell.exe 2276 powershell.exe 4288 powershell.exe 5016 powershell.exe 1864 powershell.exe 972 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 672 schtasks.exe 4220 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.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,-151 = "Central America Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5016 powershell.exe 5016 powershell.exe 2884 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 2884 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 1864 powershell.exe 1864 powershell.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 972 powershell.exe 972 powershell.exe 1736 powershell.exe 1736 powershell.exe 4320 powershell.exe 4320 powershell.exe 2276 powershell.exe 2276 powershell.exe 4288 powershell.exe 4288 powershell.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4640 csrss.exe 4760 injector.exe 4640 csrss.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4640 csrss.exe 4640 csrss.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4640 csrss.exe 4640 csrss.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 2884 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Token: SeImpersonatePrivilege 2884 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 972 powershell.exe Token: SeDebugPrivilege 1736 powershell.exe Token: SeDebugPrivilege 4320 powershell.exe Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 4288 powershell.exe Token: SeSystemEnvironmentPrivilege 4640 csrss.exe Token: SeSecurityPrivilege 3940 sc.exe Token: SeSecurityPrivilege 3940 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2884 wrote to memory of 5016 2884 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 82 PID 2884 wrote to memory of 5016 2884 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 82 PID 2884 wrote to memory of 5016 2884 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 82 PID 820 wrote to memory of 1864 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 87 PID 820 wrote to memory of 1864 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 87 PID 820 wrote to memory of 1864 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 87 PID 820 wrote to memory of 3920 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 89 PID 820 wrote to memory of 3920 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 89 PID 3920 wrote to memory of 2764 3920 cmd.exe 91 PID 3920 wrote to memory of 2764 3920 cmd.exe 91 PID 820 wrote to memory of 972 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 92 PID 820 wrote to memory of 972 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 92 PID 820 wrote to memory of 972 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 92 PID 820 wrote to memory of 1736 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 94 PID 820 wrote to memory of 1736 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 94 PID 820 wrote to memory of 1736 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 94 PID 820 wrote to memory of 4640 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 96 PID 820 wrote to memory of 4640 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 96 PID 820 wrote to memory of 4640 820 647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe 96 PID 4640 wrote to memory of 4320 4640 csrss.exe 97 PID 4640 wrote to memory of 4320 4640 csrss.exe 97 PID 4640 wrote to memory of 4320 4640 csrss.exe 97 PID 4640 wrote to memory of 2276 4640 csrss.exe 103 PID 4640 wrote to memory of 2276 4640 csrss.exe 103 PID 4640 wrote to memory of 2276 4640 csrss.exe 103 PID 4640 wrote to memory of 4288 4640 csrss.exe 105 PID 4640 wrote to memory of 4288 4640 csrss.exe 105 PID 4640 wrote to memory of 4288 4640 csrss.exe 105 PID 4640 wrote to memory of 4760 4640 csrss.exe 107 PID 4640 wrote to memory of 4760 4640 csrss.exe 107 PID 1848 wrote to memory of 2520 1848 windefender.exe 113 PID 1848 wrote to memory of 2520 1848 windefender.exe 113 PID 1848 wrote to memory of 2520 1848 windefender.exe 113 PID 2520 wrote to memory of 3940 2520 cmd.exe 114 PID 2520 wrote to memory of 3940 2520 cmd.exe 114 PID 2520 wrote to memory of 3940 2520 cmd.exe 114 -
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\647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe"C:\Users\Admin\AppData\Local\Temp\647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5016
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C:\Users\Admin\AppData\Local\Temp\647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.exe"C:\Users\Admin\AppData\Local\Temp\647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58.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:820 -
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:1864
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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:3920 -
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:2764
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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:972
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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:1736
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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:4640 -
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:4320
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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:672
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3256
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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:2276
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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:4288
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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:4760
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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:4220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1848 -
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:2520 -
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:3940
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4860
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f93f3cb26f3a3c27df1c67d42bd698a
SHA1c1111ede8a5d6739e508353ed78edcde58348898
SHA2560d78f8853d983dba194a86752c81be5564f389007348658ba210c1111e12f2c8
SHA512589dc4a83f0397bcb2f058175dae39dfa95774f50cb5f1d22ec6e81ed52d37f59825282a3d2d5479bb7d45de37a17425e489e6bcb4559cce88d4b6dffb5cd7c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5060335586a47e0464f6b665089341a5c
SHA178c18c96c9eb6ef286ba6bebbd65311032ba3c74
SHA25623f43866f25549c55119f2f7f7abe95fd4174401c1421169bb1dd677c3950a9a
SHA512ac87253b9c4238d9afb1e84b954a87276fb399ebed674377e5ddfe7ef4331d492c5e9193be6a3f40a13d5b2d9163c8af565a7d0fc9e9b3638b76a79698420c6b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dde55942ea08e3d222d0f10b5494a4d5
SHA1754cf5807f3deb0ec9bc20c47ba2800400e484e9
SHA25695caebd48cfa7a4c055edb4a73dc3a9b865f8dd92f4e2328c53fd84c74e61f6b
SHA512c6079bb03b6f21b62c71bdfc6f515e43841f15c8af328050f9d5520d48e47248569518851414739883ae3a81915ddedfc8ef0bda241ea12dbb814a2a83f8a8ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b1564820edf1633d333a40be49b5c33b
SHA10a64aeac4fe76f51c7609248ffa5d4af6a15b4f6
SHA256095195e8fd2ec53c378c49673d95e345353395e195d896d46c617e51d8bd091d
SHA512e4b20d6f3c0f103865c516018aa06f5b76e0f22400c6141acee6b66bc2dce9bd88506b9e13840d0ae5bfc7d45ea57a638d5ffaf939d1ba66023ad046f7bf4bce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536fe2d64f4a351faf33e5b4bcb20bea1
SHA1a981c7b76781a8b7329ec71fe5c22b8bf82266fd
SHA256f76bc11585d0ae40f7cb32749cba4707ad99d144d3f5e9f31b5cb9e332b9f725
SHA512bd8549f329842afdb1cc7e7b807ace52612728b1d628e40be8c90964bed7bcbd1715e3873f5017d4a88cd471c56df7cddf1861b7a6cfc1ac0cc46527538006d6
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Filesize
4.1MB
MD52af5ceffa3035e5e8910c4fdcfd3ab83
SHA1a49b2810d1451c252dc38ccb63a3ec31501948fe
SHA256647f2ccbb1b8b9809ba8149ab3c7acf70cddb752ab6a4dc86eb5515bddb0cd58
SHA51253449df9f1f971a13c427c3c7e31fc3315ca2d1a23124fe42ca11d53ebdfa46d49972ae8b43987f44c06c3d4fbc434bc6fefb2976ec42376d08196bfd26143e0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec