Analysis
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max time kernel
146s -
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
19-05-2024 21:45
Static task
static1
Behavioral task
behavioral1
Sample
1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe
Resource
win10v2004-20240426-en
General
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Target
1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe
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Size
4.1MB
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MD5
337fa923721f2a6d12ec862c8f5fedfd
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SHA1
470d23a67f4ea4e8bcdeb3192687e02b0693c429
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SHA256
1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0
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SHA512
71bb9ed046a4efdb429b8756c527fd2f3e15e0352eaf0efc63513f4e718e321093e8e695a1d86f52de9a86d0aefea5d824ad73588b55c6a690d7e0b1bad106b1
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SSDEEP
98304:kX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rl:kXPWAwQyCdJYw8Kggl
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4964-2-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/4964-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-125-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4964-156-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/1720-155-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4964-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1904-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-261-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-265-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1904-269-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3600 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1904 csrss.exe 3624 injector.exe 3212 windefender.exe 2888 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000800000002341b-218.dat upx behavioral1/memory/3212-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2888-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3212-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2888-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2888-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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.
Processes:
1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe -
Drops file in Windows directory 4 IoCs
Processes:
1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe File created C:\Windows\rss\csrss.exe 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.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.
Processes:
sc.exepid Process 3724 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1504 powershell.exe 2136 powershell.exe 1000 powershell.exe 1208 powershell.exe 4980 powershell.exe 2164 powershell.exe 4392 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4400 schtasks.exe 2660 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exepowershell.exepowershell.exepowershell.exepowershell.exe1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.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\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.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,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.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,-92 = "Pacific SA Standard 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,-491 = "India Daylight Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan 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" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exepowershell.exe1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4392 powershell.exe 4392 powershell.exe 4964 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 4964 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1504 powershell.exe 1504 powershell.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 2136 powershell.exe 2136 powershell.exe 1000 powershell.exe 1000 powershell.exe 1208 powershell.exe 1208 powershell.exe 4980 powershell.exe 4980 powershell.exe 2164 powershell.exe 2164 powershell.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 1904 csrss.exe 1904 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 1904 csrss.exe 1904 csrss.exe 3624 injector.exe 3624 injector.exe 1904 csrss.exe 1904 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4392 powershell.exe Token: SeDebugPrivilege 4964 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Token: SeImpersonatePrivilege 4964 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeDebugPrivilege 1000 powershell.exe Token: SeDebugPrivilege 1208 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeSystemEnvironmentPrivilege 1904 csrss.exe Token: SeSecurityPrivilege 3724 sc.exe Token: SeSecurityPrivilege 3724 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4964 wrote to memory of 4392 4964 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 84 PID 4964 wrote to memory of 4392 4964 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 84 PID 4964 wrote to memory of 4392 4964 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 84 PID 1720 wrote to memory of 1504 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 91 PID 1720 wrote to memory of 1504 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 91 PID 1720 wrote to memory of 1504 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 91 PID 1720 wrote to memory of 1780 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 93 PID 1720 wrote to memory of 1780 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 93 PID 1780 wrote to memory of 3600 1780 cmd.exe 96 PID 1780 wrote to memory of 3600 1780 cmd.exe 96 PID 1720 wrote to memory of 2136 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 98 PID 1720 wrote to memory of 2136 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 98 PID 1720 wrote to memory of 2136 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 98 PID 1720 wrote to memory of 1000 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 101 PID 1720 wrote to memory of 1000 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 101 PID 1720 wrote to memory of 1000 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 101 PID 1720 wrote to memory of 1904 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 105 PID 1720 wrote to memory of 1904 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 105 PID 1720 wrote to memory of 1904 1720 1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe 105 PID 1904 wrote to memory of 1208 1904 csrss.exe 106 PID 1904 wrote to memory of 1208 1904 csrss.exe 106 PID 1904 wrote to memory of 1208 1904 csrss.exe 106 PID 1904 wrote to memory of 4980 1904 csrss.exe 112 PID 1904 wrote to memory of 4980 1904 csrss.exe 112 PID 1904 wrote to memory of 4980 1904 csrss.exe 112 PID 1904 wrote to memory of 2164 1904 csrss.exe 114 PID 1904 wrote to memory of 2164 1904 csrss.exe 114 PID 1904 wrote to memory of 2164 1904 csrss.exe 114 PID 1904 wrote to memory of 3624 1904 csrss.exe 116 PID 1904 wrote to memory of 3624 1904 csrss.exe 116 PID 3212 wrote to memory of 4940 3212 windefender.exe 122 PID 3212 wrote to memory of 4940 3212 windefender.exe 122 PID 3212 wrote to memory of 4940 3212 windefender.exe 122 PID 4940 wrote to memory of 3724 4940 cmd.exe 123 PID 4940 wrote to memory of 3724 4940 cmd.exe 123 PID 4940 wrote to memory of 3724 4940 cmd.exe 123 -
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\1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe"C:\Users\Admin\AppData\Local\Temp\1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4392
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C:\Users\Admin\AppData\Local\Temp\1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.exe"C:\Users\Admin\AppData\Local\Temp\1790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0.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:1720 -
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:1504
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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:1780 -
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:3600
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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:2136
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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:1000
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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:1904 -
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:1208
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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:4400
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2004
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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:4980
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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:2164
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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:3624
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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:2660
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3212 -
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:4940 -
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:3724
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2888
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
MD54683a56e5a0e95d44ec77102a929d773
SHA1f23dc524c543065aafca3132e63ead0adcd77a3c
SHA25685865e82654358d72b15c374a8c107084e9ed5282f6bfbcf8702e048579727d8
SHA5121e1affd311d90eb41730a859d0dec961fae8b7d8b9f3ee9d313878b1c6d3a116164211d5a80e94ec0b584d04ff23f0c92ef57863230bb553e530111cd7a78691
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e6e488ea9d3aaa8ab993346b5a27ce4
SHA1d0c63a201293459d1f72006a4d25f71ce1df96f8
SHA25605660edcc00fa26cd0d87502ed4e130d10ceb989c77196c73a3c5f72251aa389
SHA512ccb50a6e6c8c5900da8421445e9fa9ff9f7b4cef35ba24296feb7cf12d8704e5b090993ed563c9dd9e28a1ef71ce5f2a94116730b8f70293c239740ae62cf3a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c1678618f93c5ec68acbb8d922bdd79
SHA11a0c1e8f4475c7deaedad2247838cfe8be1aca2f
SHA25651de190a928d702829a3da15882f4e1ac763cb1c89612ae48e4dd46073e0ae79
SHA51298a531b302ede54aca532954dda4872932f3df13f9ee01174af593d10a6e3cc9c48e8bfeab5546381d815c37bda1ff957662d7f5043c6eb9d99eb324a36a852b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562bcc9d0d2c0aebf641b11cdab876fe6
SHA11a0ace47e10e4ed3ac4e458f69effb12704c5708
SHA256095c2a6dea826c04f7111dbfef6d21a1b009cef139f820bd67b48d823a78326c
SHA512975b7d3561af7f5a8a8206a2cec02898278e71425457cea47693fa3184511810c585f9b1848076355e8c9504184b5ca133a60df106ef851f078bee5c8d3f39a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59304c37eba95ebfbc464fa1a379bf897
SHA13c887cdfe8e390630883f4ec20204cbccb8d86e8
SHA256c2bc3ae790165b44586f900e03c086b4227c18b0ebcce1c941913bd5e1bbad57
SHA5127b2a39eed8fce24efd24ef2f1dd9e6024a35cd29ba998ad19a56a24504469d6b0760d386b81caab54af71b682d3afbac3807bb3a406824d06ebf33e3ec4b35ef
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Filesize
4.1MB
MD5337fa923721f2a6d12ec862c8f5fedfd
SHA1470d23a67f4ea4e8bcdeb3192687e02b0693c429
SHA2561790074bba29046409ce336290e4a430303a363ebe1e371f39c4e14c7041daf0
SHA51271bb9ed046a4efdb429b8756c527fd2f3e15e0352eaf0efc63513f4e718e321093e8e695a1d86f52de9a86d0aefea5d824ad73588b55c6a690d7e0b1bad106b1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec