Analysis
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max time kernel
150s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:28
Static task
static1
Behavioral task
behavioral1
Sample
7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe
Resource
win10v2004-20240426-en
General
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Target
7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe
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Size
4.1MB
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MD5
738a7cf5365424eb5a521a12ec33567a
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SHA1
a0c66801c6fce6eb0527383b9836603ed905681b
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SHA256
7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8
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SHA512
26af352316ab61ad15c2a1bcd6d82cca6f38a29c8b830d13e61f31fa3fae0130834db458021497d2808deaa20cdb03d1db02edf2ac16befb079cf550d53fa2a3
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SSDEEP
98304:04ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNS:04G/GRAB9MdaGBolx/Wzuk
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4680-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/4680-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4680-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-99-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/4680-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-127-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-198-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-250-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4812-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4184 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4812 csrss.exe 3324 injector.exe 2176 windefender.exe 1976 windefender.exe -
resource yara_rule behavioral2/memory/2176-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002a9cf-210.dat upx behavioral2/memory/1976-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2176-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1976-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1976-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe File created C:\Windows\rss\csrss.exe 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.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 2100 sc.exe -
pid Process 1384 powershell.exe 3528 powershell.exe 1316 powershell.exe 5092 powershell.exe 2288 powershell.exe 1992 powershell.exe 4084 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 1680 schtasks.exe 4560 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4084 powershell.exe 4084 powershell.exe 4680 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4680 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 1384 powershell.exe 1384 powershell.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 3528 powershell.exe 3528 powershell.exe 1316 powershell.exe 1316 powershell.exe 5092 powershell.exe 5092 powershell.exe 2288 powershell.exe 2288 powershell.exe 1992 powershell.exe 1992 powershell.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 4812 csrss.exe 4812 csrss.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 4812 csrss.exe 4812 csrss.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 4812 csrss.exe 4812 csrss.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe 3324 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 4680 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Token: SeImpersonatePrivilege 4680 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 1316 powershell.exe Token: SeDebugPrivilege 5092 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 1992 powershell.exe Token: SeSystemEnvironmentPrivilege 4812 csrss.exe Token: SeSecurityPrivilege 2100 sc.exe Token: SeSecurityPrivilege 2100 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4680 wrote to memory of 4084 4680 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 81 PID 4680 wrote to memory of 4084 4680 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 81 PID 4680 wrote to memory of 4084 4680 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 81 PID 776 wrote to memory of 1384 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 86 PID 776 wrote to memory of 1384 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 86 PID 776 wrote to memory of 1384 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 86 PID 776 wrote to memory of 2076 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 88 PID 776 wrote to memory of 2076 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 88 PID 2076 wrote to memory of 4184 2076 cmd.exe 90 PID 2076 wrote to memory of 4184 2076 cmd.exe 90 PID 776 wrote to memory of 3528 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 91 PID 776 wrote to memory of 3528 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 91 PID 776 wrote to memory of 3528 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 91 PID 776 wrote to memory of 1316 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 93 PID 776 wrote to memory of 1316 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 93 PID 776 wrote to memory of 1316 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 93 PID 776 wrote to memory of 4812 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 95 PID 776 wrote to memory of 4812 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 95 PID 776 wrote to memory of 4812 776 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 95 PID 4812 wrote to memory of 5092 4812 csrss.exe 96 PID 4812 wrote to memory of 5092 4812 csrss.exe 96 PID 4812 wrote to memory of 5092 4812 csrss.exe 96 PID 4812 wrote to memory of 2288 4812 csrss.exe 102 PID 4812 wrote to memory of 2288 4812 csrss.exe 102 PID 4812 wrote to memory of 2288 4812 csrss.exe 102 PID 4812 wrote to memory of 1992 4812 csrss.exe 104 PID 4812 wrote to memory of 1992 4812 csrss.exe 104 PID 4812 wrote to memory of 1992 4812 csrss.exe 104 PID 4812 wrote to memory of 3324 4812 csrss.exe 106 PID 4812 wrote to memory of 3324 4812 csrss.exe 106 PID 2176 wrote to memory of 4652 2176 windefender.exe 112 PID 2176 wrote to memory of 4652 2176 windefender.exe 112 PID 2176 wrote to memory of 4652 2176 windefender.exe 112 PID 4652 wrote to memory of 2100 4652 cmd.exe 113 PID 4652 wrote to memory of 2100 4652 cmd.exe 113 PID 4652 wrote to memory of 2100 4652 cmd.exe 113 -
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\7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe"C:\Users\Admin\AppData\Local\Temp\7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4084
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C:\Users\Admin\AppData\Local\Temp\7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe"C:\Users\Admin\AppData\Local\Temp\7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.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:776 -
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:1384
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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:2076 -
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:4184
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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:3528
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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:1316
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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:4812 -
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:5092
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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:1680
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1988
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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:2288
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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:1992
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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:3324
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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:4560
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2176 -
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:4652 -
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:2100
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1976
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e52b668e8716cfd2b9980b742d3264b6
SHA1b5a9c925a716816c6b01a3924c4579c504a4e4d6
SHA25624814d27f5f2140fde81bb28bad54ad4fd750e57c14f8d3a9c32336637b6c541
SHA5126f9ca693307ae3fcc886e5d39f91b1c50ac8c4462d109d52537dbcd0425782fa93153475376b87d1bdaf711c173b50b784ed2b261d0d97f590e2c81612d86336
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b6c54b1950c9cf26d565b2dcb6622a5
SHA1e48b15bb59e8637c644e245bb37ef5f941a21ca8
SHA256137039c6eada744440f18dbe9e872c2b4e0d0e6f50b0534bc41bcf1e77429aa5
SHA5128da326c44457d72cd8902cfb9c867500619ed2d412e20141f3383c109f045e25b10a56d25e95e4e77b11572316e726730583a08898e2f83f7bc5686ca0f89dd6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5857d8f760131a96cd75c7952671fc54a
SHA1c13ac6c8551260b3266b38ca7b81a725df49960d
SHA256f4fd4aa8e7d23c5776680734a61a8debf8bc1e0b8b925b0ae676e4030bdb38fc
SHA5124ac8256428124e4da48d77bba97ba04c1011841a4f3ec5a2c4085e6ec79f6de7340526e896b1447417a395f2b0e8a798b37006c8448eedb90e3a35e7d31eb1e1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555383ced11b1f2dc00e1e6d411388899
SHA17b9097c8d5799228dd631ac2eaf3996effd73dc7
SHA25674fac4ae1455ac43ff4d997b5c1a10dbc605d4b6137be113b94604a2963e79c3
SHA512967c22b6f650b6c73ae43cd8d00e88e00db31c5a6cd3a9d4af308ba5093d1505390dd908125492b6e45c863bb2af9b817acbea45b30cfd6993c74ed4dd164e15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7b5397d251effe59e897d6badce064f
SHA1334db1f37e285476daad1e6a2f3ac5eddc97b74a
SHA2561d87b1bf9f617de1181825ebabfc6763b966f022411ca6921cfdd298368f6c76
SHA512b909b958dbb4715a71d85378c89a0c2b310a520fe173d13284b276c2cc3f866bf5fe2bb84a2ff02828a32a5a72a23588357b5fbc7ea42e7efcf1ed649ae48826
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Filesize
4.1MB
MD5738a7cf5365424eb5a521a12ec33567a
SHA1a0c66801c6fce6eb0527383b9836603ed905681b
SHA2567b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8
SHA51226af352316ab61ad15c2a1bcd6d82cca6f38a29c8b830d13e61f31fa3fae0130834db458021497d2808deaa20cdb03d1db02edf2ac16befb079cf550d53fa2a3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec