Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 09:53
Static task
static1
Behavioral task
behavioral1
Sample
4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe
Resource
win10v2004-20240426-en
General
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Target
4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe
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Size
4.1MB
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MD5
4f190ad743b62026f93246a0fd077bc7
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SHA1
75df2c920194dc463f31d24b6b7604661488028a
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SHA256
4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba
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SHA512
db6be7250a2732c54b1b35138f72c86ea47b1aff2cefb865c11fad1f88370aa54163410edc27cd1f8d78decf181f325c43f23d2ab8fb15642e65a8689f141620
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SSDEEP
98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5a:8r7OagDbOPW/F2k5tRZaLrY
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4496-2-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/4496-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4496-107-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/4496-106-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2588-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3968 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2248 csrss.exe 2392 injector.exe 3208 windefender.exe 4584 windefender.exe -
resource yara_rule behavioral1/files/0x000d0000000233a2-221.dat upx behavioral1/memory/3208-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4584-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3208-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4584-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4584-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe File created C:\Windows\rss\csrss.exe 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.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 5100 sc.exe -
pid Process 3976 powershell.exe 5012 powershell.exe 3396 powershell.exe 4304 powershell.exe 1052 powershell.exe 4384 powershell.exe 4068 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 1716 schtasks.exe 4384 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,-572 = "China Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.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\TrustedPeople 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,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.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\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 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\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran 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" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1052 powershell.exe 1052 powershell.exe 4496 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 4496 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 4384 powershell.exe 4384 powershell.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 4068 powershell.exe 4068 powershell.exe 4068 powershell.exe 3976 powershell.exe 3976 powershell.exe 3976 powershell.exe 5012 powershell.exe 5012 powershell.exe 5012 powershell.exe 3396 powershell.exe 3396 powershell.exe 4304 powershell.exe 4304 powershell.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2248 csrss.exe 2248 csrss.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2248 csrss.exe 2248 csrss.exe 2392 injector.exe 2392 injector.exe 2248 csrss.exe 2248 csrss.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe 2392 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1052 powershell.exe Token: SeDebugPrivilege 4496 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Token: SeImpersonatePrivilege 4496 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe Token: SeDebugPrivilege 4384 powershell.exe Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 3976 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeSystemEnvironmentPrivilege 2248 csrss.exe Token: SeSecurityPrivilege 5100 sc.exe Token: SeSecurityPrivilege 5100 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4496 wrote to memory of 1052 4496 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 88 PID 4496 wrote to memory of 1052 4496 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 88 PID 4496 wrote to memory of 1052 4496 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 88 PID 2588 wrote to memory of 4384 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 96 PID 2588 wrote to memory of 4384 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 96 PID 2588 wrote to memory of 4384 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 96 PID 2588 wrote to memory of 3212 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 100 PID 2588 wrote to memory of 3212 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 100 PID 3212 wrote to memory of 3968 3212 cmd.exe 102 PID 3212 wrote to memory of 3968 3212 cmd.exe 102 PID 2588 wrote to memory of 4068 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 103 PID 2588 wrote to memory of 4068 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 103 PID 2588 wrote to memory of 4068 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 103 PID 2588 wrote to memory of 3976 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 105 PID 2588 wrote to memory of 3976 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 105 PID 2588 wrote to memory of 3976 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 105 PID 2588 wrote to memory of 2248 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 107 PID 2588 wrote to memory of 2248 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 107 PID 2588 wrote to memory of 2248 2588 4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe 107 PID 2248 wrote to memory of 5012 2248 csrss.exe 110 PID 2248 wrote to memory of 5012 2248 csrss.exe 110 PID 2248 wrote to memory of 5012 2248 csrss.exe 110 PID 2248 wrote to memory of 3396 2248 csrss.exe 117 PID 2248 wrote to memory of 3396 2248 csrss.exe 117 PID 2248 wrote to memory of 3396 2248 csrss.exe 117 PID 2248 wrote to memory of 4304 2248 csrss.exe 119 PID 2248 wrote to memory of 4304 2248 csrss.exe 119 PID 2248 wrote to memory of 4304 2248 csrss.exe 119 PID 2248 wrote to memory of 2392 2248 csrss.exe 121 PID 2248 wrote to memory of 2392 2248 csrss.exe 121 PID 3208 wrote to memory of 1680 3208 windefender.exe 127 PID 3208 wrote to memory of 1680 3208 windefender.exe 127 PID 3208 wrote to memory of 1680 3208 windefender.exe 127 PID 1680 wrote to memory of 5100 1680 cmd.exe 128 PID 1680 wrote to memory of 5100 1680 cmd.exe 128 PID 1680 wrote to memory of 5100 1680 cmd.exe 128 -
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\4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe"C:\Users\Admin\AppData\Local\Temp\4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1052
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C:\Users\Admin\AppData\Local\Temp\4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.exe"C:\Users\Admin\AppData\Local\Temp\4bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba.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:2588 -
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:4384
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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:3212 -
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:3968
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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:4068
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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:3976
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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:2248 -
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:5012
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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:1716
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1908
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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:3396
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304
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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:2392
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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:4384
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3208 -
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:1680 -
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:5100
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4584
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
MD53b5e97b5939a8058ffbe262df8561f94
SHA1cd878a682679f080ebd568d651f4bcc104a5a8f9
SHA256039c6349ae7df91bb51af39682adb0ff469236566771c3df95f4af209fb88bf6
SHA5127d98c680de15454b141ccbbe3fd2c64e7053ec6c7fbd2088023ad753e35a56b07244de814a577f448197e7d6a7fabc36318a4f5896f248059ac3adc96410bb1c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54ca29141d445211bdf08673ffac1bed1
SHA11a97f37317d21c37f993417347dbf7eae6ad908a
SHA256268b6c6094fd3e912deb6a5648d1c8bd8a6f908450ac5f55570c06e3d7f8e4ea
SHA512fc0ff4d7213aeb8ed12be38cf58cd388415b2f376a07a86f8ec377cc11e93c424c166722e7435cd16d81ef991aa7d80701cdfc8868f4370dfac2e2e48c3af65d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fc7c7edee40ec9407f5eb0226ea7d48
SHA177e902fb80cd10555bb025f753f8270b3c5ccf5f
SHA256940e75a3e991fbf23d680dbcb6ee4a82882f60051a05b2ce2fbc42551d360dd7
SHA512f6a1898cfa5b9dcf3775c06351711c1bb78368a5b2d8176a19476a3109c50a462039bdd953fc5745110738197c320b8f421fcb2d30d751837fa4a249d8ab96ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd84ec89600560cb2b2b4c5f17fed36a
SHA1cc56fb04fac4926bd1e8386e46afd70e505b9398
SHA256ebf1de9eff14428a4d373dc1ab886dddbdb984e5602be4ecaadae06f46320a58
SHA5125b4622a7e9082b2811016fd18b9603760f212f7e5451e7dbfb2f973846d32c2e8b5d56fe2fcd55f5c0ad127c347226588178abfb0b2cd763cc4c0eca2a94f07a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561ad9ce8962e7f2160dccafbfc8d2e05
SHA1e0166cc16677a1e615ebefa441074817ee43d85e
SHA256a2a44b895bfc45a3fb56c124588a539e7706623acc4e80c1f5d1af75253e5a83
SHA5129d352d5bd5374e188b718b4b21f45061c394db34e91c34f68bb9b31a09d1ed55d1b90b7ddba44f2b0197c4c11b9d1599cf2b5147952bbe3f60b3bc9cd58f6739
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Filesize
4.1MB
MD54f190ad743b62026f93246a0fd077bc7
SHA175df2c920194dc463f31d24b6b7604661488028a
SHA2564bf6453497ae708469692891f30e9d3ebca6b13068e741e9a782ae41ce15a9ba
SHA512db6be7250a2732c54b1b35138f72c86ea47b1aff2cefb865c11fad1f88370aa54163410edc27cd1f8d78decf181f325c43f23d2ab8fb15642e65a8689f141620
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec