Analysis
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max time kernel
83s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23-04-2024 17:45
Static task
static1
Behavioral task
behavioral1
Sample
a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe
Resource
win10v2004-20240412-en
General
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Target
a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe
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Size
4.2MB
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MD5
da6c75a59391e9a274a2081f8b6dde39
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SHA1
124ba045535a00b3e15a655990246bc29b0c189d
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SHA256
a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0
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SHA512
429b238c46494617d44edfa6a218f06890b4266bcc30ca37fbc470c59136de43e81df2334b4d3dbf188ff65bd7a37fbef8313c1fa47cf9420f42f1cd6a802f3c
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SSDEEP
98304:9jZ0w3JCpg65gxtzIPECtbDHCGHQv1+jWp0itpTHKkwvKchVEkED:noB5gcPNN+GC1+jc0itcvKKK
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/3268-2-0x0000000006660000-0x0000000006F4B000-memory.dmp family_glupteba behavioral1/memory/3268-81-0x0000000006660000-0x0000000006F4B000-memory.dmp family_glupteba behavioral1/memory/3268-103-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4640-167-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-252-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-255-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-258-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-268-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-272-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-276-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-280-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-284-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-288-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-292-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-296-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/3756-300-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1320 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3756 csrss.exe 3284 injector.exe 552 windefender.exe 2700 windefender.exe -
resource yara_rule behavioral1/files/0x000300000001e5bb-261.dat upx behavioral1/memory/552-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2700-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2700-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\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\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 File created 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 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe File created C:\Windows\rss\csrss.exe a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.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 2884 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 3480 schtasks.exe 4896 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1840 powershell.exe 1840 powershell.exe 3268 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 3268 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4328 powershell.exe 4328 powershell.exe 4328 powershell.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 856 powershell.exe 856 powershell.exe 856 powershell.exe 3768 powershell.exe 3768 powershell.exe 3768 powershell.exe 4688 powershell.exe 4688 powershell.exe 4688 powershell.exe 1996 powershell.exe 1996 powershell.exe 1996 powershell.exe 3940 powershell.exe 3940 powershell.exe 3940 powershell.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3756 csrss.exe 3756 csrss.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3756 csrss.exe 3756 csrss.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 3268 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Token: SeImpersonatePrivilege 3268 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe Token: SeDebugPrivilege 4328 powershell.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 3768 powershell.exe Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeSystemEnvironmentPrivilege 3756 csrss.exe Token: SeSecurityPrivilege 2884 sc.exe Token: SeSecurityPrivilege 2884 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3268 wrote to memory of 1840 3268 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 87 PID 3268 wrote to memory of 1840 3268 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 87 PID 3268 wrote to memory of 1840 3268 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 87 PID 4640 wrote to memory of 4328 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 97 PID 4640 wrote to memory of 4328 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 97 PID 4640 wrote to memory of 4328 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 97 PID 4640 wrote to memory of 1900 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 101 PID 4640 wrote to memory of 1900 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 101 PID 1900 wrote to memory of 1320 1900 cmd.exe 103 PID 1900 wrote to memory of 1320 1900 cmd.exe 103 PID 4640 wrote to memory of 856 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 107 PID 4640 wrote to memory of 856 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 107 PID 4640 wrote to memory of 856 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 107 PID 4640 wrote to memory of 3768 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 110 PID 4640 wrote to memory of 3768 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 110 PID 4640 wrote to memory of 3768 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 110 PID 4640 wrote to memory of 3756 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 112 PID 4640 wrote to memory of 3756 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 112 PID 4640 wrote to memory of 3756 4640 a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe 112 PID 3756 wrote to memory of 4688 3756 csrss.exe 113 PID 3756 wrote to memory of 4688 3756 csrss.exe 113 PID 3756 wrote to memory of 4688 3756 csrss.exe 113 PID 3756 wrote to memory of 1996 3756 csrss.exe 119 PID 3756 wrote to memory of 1996 3756 csrss.exe 119 PID 3756 wrote to memory of 1996 3756 csrss.exe 119 PID 3756 wrote to memory of 3940 3756 csrss.exe 121 PID 3756 wrote to memory of 3940 3756 csrss.exe 121 PID 3756 wrote to memory of 3940 3756 csrss.exe 121 PID 3756 wrote to memory of 3284 3756 csrss.exe 123 PID 3756 wrote to memory of 3284 3756 csrss.exe 123 PID 552 wrote to memory of 4824 552 windefender.exe 132 PID 552 wrote to memory of 4824 552 windefender.exe 132 PID 552 wrote to memory of 4824 552 windefender.exe 132 PID 4824 wrote to memory of 2884 4824 cmd.exe 133 PID 4824 wrote to memory of 2884 4824 cmd.exe 133 PID 4824 wrote to memory of 2884 4824 cmd.exe 133 -
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\a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe"C:\Users\Admin\AppData\Local\Temp\a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840
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C:\Users\Admin\AppData\Local\Temp\a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.exe"C:\Users\Admin\AppData\Local\Temp\a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0.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:4640 -
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:4328
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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:1900 -
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:1320
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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:856
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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:3768
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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:3756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4688
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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:3480
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4884
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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:1996
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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:3940
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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:3284
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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:4896
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:552 -
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:4824 -
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:2884
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2700
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c1818e9112988e59a99f90d56380cc0
SHA1a3f910249c3c8223da1f4f57a6038c57b198f11b
SHA2568cf8a87603114da1e72ef3eabc9d75690290cfd4cbc4d5d7d0cf7dc41854a3f5
SHA512da29624e918cad4054ea2d34d23b5d40f928119f74318875d417721ee16cdc858a9f88b50766cc909df00d76baaccff538e3a2aebf4b506da1434a473a8c6eca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c9e4ae869e593b9d8e04c3d403e9f92
SHA1ad80eafdf6335136157588ddebdff56007267873
SHA25650c44218f56843f652df868a0aac479788f8a456160780f17c4836d640a2537f
SHA51254a27d8b41e8bfe6f38f3bcad135512bca8e07e66d76884ceab324ab7de3ccb2725b0f4a44ca084623edd5ef3799ca72fceb02e4ef8358ef5236c4313cd024e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bfdb6cebb9eaacf2117062c1254eef23
SHA147452da2c502b313227a92b2e309c8058506d786
SHA25662aee45857d9db21559de77703282688b318fe580f93209829d4a36cb05b8204
SHA51274a631d1a19f3c53158edd40612b9b808d23a0301e8f9ffc1f38139691202634d755608d31b00821a60b3a4f19d8295575ec569f44f9ca3e2ffaae993eb0fa01
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9d85579ed58158c5beaf378f11a672c
SHA1ee1bc76babd585396235eb2d43d96f1c88c32ccb
SHA2560097e9bd5a727ef20aadf76071ca2f0c28c037fb8fdff0e7e7eed5764b88b91d
SHA51203802d4ae9cf77f908878147b130aa29bff6cda528e6a1dc4766344981f927a5a533a263996eb5a6e717f7c5e9bd19cdc0909f227fcbef7d901202cdc2e620df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a45d1f05c8c1b30f6d1e66a4bcab917
SHA17ee2b53a0b09402614f1cdada2ebdfc4ee277020
SHA256529a2be40a68632f57c139d4cc96c8f05c556850d7ed628b816b78bd1a80fc4d
SHA512db2b939b9d35d7271104c2a86567393a25e1edead891dffc30f4e05ba8c2fe91ae78e085803014fe66922f51e2d9f77604fdcf8cdbe9f096e6b20562bdd73c9f
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Filesize
4.2MB
MD5da6c75a59391e9a274a2081f8b6dde39
SHA1124ba045535a00b3e15a655990246bc29b0c189d
SHA256a95d2fe89e2a468839ed02516163748706babe874e00c16cb63a795aa82dbbb0
SHA512429b238c46494617d44edfa6a218f06890b4266bcc30ca37fbc470c59136de43e81df2334b4d3dbf188ff65bd7a37fbef8313c1fa47cf9420f42f1cd6a802f3c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec