Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 behavioral1/memory/3700-2-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/3700-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3700-57-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/4848-132-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3700-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4984-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-250-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-253-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4984-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2460 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4984 csrss.exe 3616 injector.exe 3016 windefender.exe 3084 windefender.exe -
resource yara_rule behavioral1/memory/3016-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000a000000023378-222.dat upx behavioral1/memory/3084-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3016-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3084-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3084-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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 1880 sc.exe -
pid Process 4812 powershell.exe 4508 powershell.exe 4840 powershell.exe 2264 powershell.exe 1856 powershell.exe 3576 powershell.exe 1880 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 4612 schtasks.exe 1964 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,-241 = "Samoa Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic 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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-1832 = "Russia TZ 2 Standard 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,-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,-2511 = "Lord Howe Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.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,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-1822 = "Russia TZ 1 Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.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,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.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,-1912 = "Russia TZ 10 Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.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,-122 = "SA Pacific Standard Time" windefender.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,-2491 = "Aus Central W. Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1880 powershell.exe 1880 powershell.exe 3700 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 3700 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4812 powershell.exe 4812 powershell.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 4508 powershell.exe 4508 powershell.exe 4840 powershell.exe 4840 powershell.exe 2264 powershell.exe 2264 powershell.exe 1856 powershell.exe 1856 powershell.exe 3576 powershell.exe 3576 powershell.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 4984 csrss.exe 4984 csrss.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 4984 csrss.exe 4984 csrss.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 4984 csrss.exe 4984 csrss.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe 3616 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1880 powershell.exe Token: SeDebugPrivilege 3700 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Token: SeImpersonatePrivilege 3700 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeDebugPrivilege 4508 powershell.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 3576 powershell.exe Token: SeSystemEnvironmentPrivilege 4984 csrss.exe Token: SeSecurityPrivilege 1880 sc.exe Token: SeSecurityPrivilege 1880 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3700 wrote to memory of 1880 3700 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 127 PID 3700 wrote to memory of 1880 3700 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 127 PID 3700 wrote to memory of 1880 3700 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 127 PID 4848 wrote to memory of 4812 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 97 PID 4848 wrote to memory of 4812 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 97 PID 4848 wrote to memory of 4812 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 97 PID 4848 wrote to memory of 2920 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 99 PID 4848 wrote to memory of 2920 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 99 PID 2920 wrote to memory of 2460 2920 cmd.exe 101 PID 2920 wrote to memory of 2460 2920 cmd.exe 101 PID 4848 wrote to memory of 4508 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 102 PID 4848 wrote to memory of 4508 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 102 PID 4848 wrote to memory of 4508 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 102 PID 4848 wrote to memory of 4840 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 104 PID 4848 wrote to memory of 4840 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 104 PID 4848 wrote to memory of 4840 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 104 PID 4848 wrote to memory of 4984 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 106 PID 4848 wrote to memory of 4984 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 106 PID 4848 wrote to memory of 4984 4848 7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe 106 PID 4984 wrote to memory of 2264 4984 csrss.exe 107 PID 4984 wrote to memory of 2264 4984 csrss.exe 107 PID 4984 wrote to memory of 2264 4984 csrss.exe 107 PID 4984 wrote to memory of 1856 4984 csrss.exe 113 PID 4984 wrote to memory of 1856 4984 csrss.exe 113 PID 4984 wrote to memory of 1856 4984 csrss.exe 113 PID 4984 wrote to memory of 3576 4984 csrss.exe 115 PID 4984 wrote to memory of 3576 4984 csrss.exe 115 PID 4984 wrote to memory of 3576 4984 csrss.exe 115 PID 4984 wrote to memory of 3616 4984 csrss.exe 120 PID 4984 wrote to memory of 3616 4984 csrss.exe 120 PID 3016 wrote to memory of 4100 3016 windefender.exe 126 PID 3016 wrote to memory of 4100 3016 windefender.exe 126 PID 3016 wrote to memory of 4100 3016 windefender.exe 126 PID 4100 wrote to memory of 1880 4100 cmd.exe 127 PID 4100 wrote to memory of 1880 4100 cmd.exe 127 PID 4100 wrote to memory of 1880 4100 cmd.exe 127 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe"C:\Users\Admin\AppData\Local\Temp\7b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1880
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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:4848 -
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:4812
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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:2920 -
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:2460
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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:4508
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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:4840
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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:4984 -
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:2264
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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:4612
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3832
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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:1856
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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:3576
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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:3616
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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:1964
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3016 -
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:4100 -
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:1880
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3084
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
MD539fe7683eb51de88cc9075222bb0aaec
SHA14e6186c8ac350928dfb60bc52adf82b4c22459eb
SHA2564da082d6581096171355df4af513e45ed726dda46a4892520b925efe4383f19e
SHA512df6115eb2a5f76389010027e72e3b50c686507bddc1b18b5721d3f6dbf765e32f3dd226ebd4c69d3c75f3c52ff1dd46f354cf598c5c557f2e94bf26c0ff2ce8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5dea455aab2ab71c8ceb0e648dbf9e4
SHA1617b41aea1b485644234976ce12336e275d8baf3
SHA256cca9f6f5a8d72e5fd99809def3eac92249944374d694edf55e998839c8915a9b
SHA5120683dfcd5fb15762481849d6b49d0ff62df9d1320a62c1c963d4566e5f697131e7e2129ca05e7077db3d77b1b53ef236ad358adfc1de49b3cddcb09845b40793
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557585cce2d75748620d78c70092cb932
SHA1ce3254c0c0fb6f50f1a048756f2c50cc70b3e2d7
SHA256111881d302d68ace305e75fb0429b235b7b4be4f3bb7e8d83c4eb5f8ca2f3bf0
SHA512362263bc5d649a38a1681afe1f7597c422731321d2f1d14eed47d289a5380657a9fe06b086399274ab73d7e950f203a44f9f4c22dadde7dba2aa9e65d9ebfd81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a54ad09a3c15039df958dcdc978ce7b
SHA12da44baf6e99155d716030d88665b5bc7d51b6a4
SHA25661916ac1a18c1a6ca967014105ae37dc335d99b7711fe615700757608a9e9fb6
SHA512356d7b329d297a024ee0eafa42a42232bbd534068b05e4eb7706893d89e37aa168242615bfab59210b4deae6c8f496969873ee4c0413180df67971f37a2d7ddf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b4ceab09291e172303f2923f892ec64
SHA15284bf69944f39fe3838088c17d74d474fbb6a88
SHA2561b53faad2b7b1be5d52aa6f9092aa65c8126b7bf186ff829b860175dc757c5a9
SHA5127d4f31ce857f31cd7e56c4123715a69e1237c7d3a7e97b9e06b7c9d413e9fc3de9585bc34e2567099e48d12f6455cddc6ec2468d295c9a7f47bc85d857b978fa
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Filesize
4.1MB
MD5738a7cf5365424eb5a521a12ec33567a
SHA1a0c66801c6fce6eb0527383b9836603ed905681b
SHA2567b2b033d3a0d2777d7f8c4cb89a67daa5f95d316cdab57c817ff1b194a5c36d8
SHA51226af352316ab61ad15c2a1bcd6d82cca6f38a29c8b830d13e61f31fa3fae0130834db458021497d2808deaa20cdb03d1db02edf2ac16befb079cf550d53fa2a3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec