Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/04/2024, 20:09
Static task
static1
Behavioral task
behavioral1
Sample
4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe
Resource
win10v2004-20240226-en
General
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Target
4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe
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Size
4.1MB
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MD5
3c241e5cc000d3a00c8ca3f500579bd6
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SHA1
31749bf7bb8802bbacaa47b60bfb7377820c7127
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SHA256
4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e
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SHA512
478a69efbc6c5fe914058dc0d7154fcf98274a8c2a97a7a9e9448fc843fed0da4940658e0cab6931423e1c55780cd5e5662daf6ef014d2f02884f6781ce65d50
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SSDEEP
98304:Db/DMr9zhhA/6kdXfrYp8ia1yEQL2NpP26oG9WRoP1Kue:PwrNhhArfryXaXE2NpPVoG9WRMpe
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2184-2-0x0000000005170000-0x0000000005A5B000-memory.dmp family_glupteba behavioral1/memory/2184-3-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/2184-56-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/2184-57-0x0000000005170000-0x0000000005A5B000-memory.dmp family_glupteba behavioral1/memory/4708-58-0x0000000004DC0000-0x00000000051BA000-memory.dmp family_glupteba behavioral1/memory/4708-59-0x00000000051C0000-0x0000000005AAB000-memory.dmp family_glupteba behavioral1/memory/4708-60-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/4708-137-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/4708-158-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-257-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-268-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-272-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-276-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-280-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-284-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-288-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-292-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-296-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-300-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/932-304-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5056 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 932 csrss.exe 3208 injector.exe 1216 windefender.exe 4036 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023206-261.dat upx behavioral1/memory/1216-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4036-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4036-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe File created C:\Windows\rss\csrss.exe 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.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 2464 sc.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 3740 schtasks.exe 4048 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.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\CA\CTLs 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\22\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1828 powershell.exe 1828 powershell.exe 2184 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 2184 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 2132 powershell.exe 2132 powershell.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 3788 powershell.exe 3788 powershell.exe 4996 powershell.exe 4996 powershell.exe 1072 powershell.exe 1072 powershell.exe 4280 powershell.exe 4280 powershell.exe 4908 powershell.exe 4908 powershell.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 932 csrss.exe 932 csrss.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 932 csrss.exe 932 csrss.exe 3208 injector.exe 3208 injector.exe 932 csrss.exe 932 csrss.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe 3208 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 2184 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Token: SeImpersonatePrivilege 2184 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 4908 powershell.exe Token: SeSystemEnvironmentPrivilege 932 csrss.exe Token: SeSecurityPrivilege 2464 sc.exe Token: SeSecurityPrivilege 2464 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2184 wrote to memory of 1828 2184 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 89 PID 2184 wrote to memory of 1828 2184 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 89 PID 2184 wrote to memory of 1828 2184 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 89 PID 4708 wrote to memory of 2132 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 117 PID 4708 wrote to memory of 2132 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 117 PID 4708 wrote to memory of 2132 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 117 PID 4708 wrote to memory of 3012 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 101 PID 4708 wrote to memory of 3012 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 101 PID 3012 wrote to memory of 5056 3012 cmd.exe 103 PID 3012 wrote to memory of 5056 3012 cmd.exe 103 PID 4708 wrote to memory of 3788 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 104 PID 4708 wrote to memory of 3788 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 104 PID 4708 wrote to memory of 3788 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 104 PID 4708 wrote to memory of 4996 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 106 PID 4708 wrote to memory of 4996 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 106 PID 4708 wrote to memory of 4996 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 106 PID 4708 wrote to memory of 932 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 108 PID 4708 wrote to memory of 932 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 108 PID 4708 wrote to memory of 932 4708 4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe 108 PID 932 wrote to memory of 1072 932 csrss.exe 110 PID 932 wrote to memory of 1072 932 csrss.exe 110 PID 932 wrote to memory of 1072 932 csrss.exe 110 PID 932 wrote to memory of 4280 932 csrss.exe 116 PID 932 wrote to memory of 4280 932 csrss.exe 116 PID 932 wrote to memory of 4280 932 csrss.exe 116 PID 932 wrote to memory of 4908 932 csrss.exe 118 PID 932 wrote to memory of 4908 932 csrss.exe 118 PID 932 wrote to memory of 4908 932 csrss.exe 118 PID 932 wrote to memory of 3208 932 csrss.exe 120 PID 932 wrote to memory of 3208 932 csrss.exe 120 PID 1216 wrote to memory of 2468 1216 windefender.exe 126 PID 1216 wrote to memory of 2468 1216 windefender.exe 126 PID 1216 wrote to memory of 2468 1216 windefender.exe 126 PID 2468 wrote to memory of 2464 2468 cmd.exe 127 PID 2468 wrote to memory of 2464 2468 cmd.exe 127 PID 2468 wrote to memory of 2464 2468 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\4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe"C:\Users\Admin\AppData\Local\Temp\4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1828
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C:\Users\Admin\AppData\Local\Temp\4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.exe"C:\Users\Admin\AppData\Local\Temp\4eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e.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:4708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132
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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:3012 -
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:5056
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3788
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4996
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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:932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1072
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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:3740
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2280
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2132
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908
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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:3208
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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:4048
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1216 -
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:2468 -
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:2464
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4036
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
MD5bec0fccf0b8ac1a990b553359e42d9f5
SHA1b5ab69ec70f3d956d8b66a9d930644432e5796bf
SHA25602c15e31ea6159143ed39abec49ada1375def22c69064084a7e4e90c64dce06c
SHA512e84112f9924d7129ed431b7ea5d0b05323f52354e1f0bcfec1ddb134c1a2266b4f58ff1f16f7fa8ce3f2897ad03b947f45859fafdad9512c74935f431fc5b14f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab8de9e65c7cb0bb6e914e0c3024ca6e
SHA15db018a5d6b798295feb96e5c82a5f470fec645e
SHA256b3ab86cdfd462e0cbe69917c9b5d56cd417e185f1282a3baf9276407a51599b9
SHA5127335d4f0f32e861b46d9ea2d8a10db30dd6266e772242889590e20a19595b52b6e4d2351ebc3d03e794354ba517a20a2df821a059736adda17325e6f5622d302
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b50269c3970aea06a18acd2e165c7134
SHA18c356145cb215ac3873c613b13bdffe320f67a6b
SHA25602ad7c2a8225d5dcdfe769f9355eb01d8d968317895c60454c7ce685bd16f1e6
SHA5121cc6c00be8cd2c1bdc788aef00e3642641327c8f0e658f375736c00914e73c2a5588821cb54c99deab837b8031ee6c239696e5354074c8d143c2fd33761d633a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a65e0871147152556480f00379008c8e
SHA1c260249f0cf4c629f8c6128f7ddfa63d675dd2d5
SHA256416aba2f370368e0c1137db32106db51d79a888e9bf23cc76bd9170e64774304
SHA512cb827f0334c60d97c0be569b9659962b6cf47150a49d9854f0d0c691b6c1171b3c1436fe58638de3947e1f74f609283af4392409bcfdf41aec928b58f5500e05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f861cf96ade332e88e86a1d1f6f04c8e
SHA16e4e588dcfac00892aa410c829a4c3cb8db903d5
SHA256e287c608e986e253ed4d515ad2c7edb16ec5de892a45ee9016366269c56e29ac
SHA51258a92a3d7b31723114e395ab9b2c2249ef743d313d1569cc92678f24ae97c82defdb820e8e18adc263c67ad8060b30c4ad5d116a4c5953177b0eac0e5753f9c1
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Filesize
4.1MB
MD53c241e5cc000d3a00c8ca3f500579bd6
SHA131749bf7bb8802bbacaa47b60bfb7377820c7127
SHA2564eb98f6791110f4da78a75dc7d52044026ff141fdd270f9f483487316796eb9e
SHA512478a69efbc6c5fe914058dc0d7154fcf98274a8c2a97a7a9e9448fc843fed0da4940658e0cab6931423e1c55780cd5e5662daf6ef014d2f02884f6781ce65d50
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec