Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:32
Static task
static1
Behavioral task
behavioral1
Sample
c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe
Resource
win10v2004-20240426-en
General
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Target
c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe
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Size
4.1MB
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MD5
6a50085628f850506bb7c9bd99d56fde
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SHA1
f2f955b9a6ae15bbe877ba9e4f321b862a5341f3
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SHA256
c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866
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SHA512
922fd9e3c2c4a188be6950d4ba2e8f79a3fdac732f71b51031d097bae610838bffc4fb1f09f3c4aef89e08071e724536ee06bc1f4547ca84eb47f9ec9b7e68a3
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SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNj:E4G/GRAB9MdaGBolx/WzuZ
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4172-2-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral2/memory/4172-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4172-39-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4172-50-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral2/memory/3852-71-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4172-93-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-121-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-196-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-206-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-208-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-212-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3164-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2144 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3164 csrss.exe 844 injector.exe 4952 windefender.exe 1172 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa2f-200.dat upx behavioral2/memory/4952-201-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4952-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1172-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1172-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1172-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe File created C:\Windows\rss\csrss.exe c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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 3340 sc.exe -
pid Process 1540 powershell.exe 3128 powershell.exe 4136 powershell.exe 1832 powershell.exe 3100 powershell.exe 5000 powershell.exe 784 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1748 1832 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2940 schtasks.exe 1924 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,-731 = "Fiji Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\Root powershell.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,-211 = "Pacific Daylight 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" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1832 powershell.exe 1832 powershell.exe 4172 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 4172 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3100 powershell.exe 3100 powershell.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 5000 powershell.exe 5000 powershell.exe 784 powershell.exe 784 powershell.exe 1540 powershell.exe 1540 powershell.exe 3128 powershell.exe 3128 powershell.exe 4136 powershell.exe 4136 powershell.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 3164 csrss.exe 3164 csrss.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 3164 csrss.exe 3164 csrss.exe 844 injector.exe 844 injector.exe 3164 csrss.exe 3164 csrss.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe 844 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 4172 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Token: SeImpersonatePrivilege 4172 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 784 powershell.exe Token: SeDebugPrivilege 1540 powershell.exe Token: SeDebugPrivilege 3128 powershell.exe Token: SeDebugPrivilege 4136 powershell.exe Token: SeSystemEnvironmentPrivilege 3164 csrss.exe Token: SeSecurityPrivilege 3340 sc.exe Token: SeSecurityPrivilege 3340 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4172 wrote to memory of 1832 4172 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 79 PID 4172 wrote to memory of 1832 4172 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 79 PID 4172 wrote to memory of 1832 4172 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 79 PID 3852 wrote to memory of 3100 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 87 PID 3852 wrote to memory of 3100 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 87 PID 3852 wrote to memory of 3100 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 87 PID 3852 wrote to memory of 4520 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 89 PID 3852 wrote to memory of 4520 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 89 PID 4520 wrote to memory of 2144 4520 cmd.exe 91 PID 4520 wrote to memory of 2144 4520 cmd.exe 91 PID 3852 wrote to memory of 5000 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 92 PID 3852 wrote to memory of 5000 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 92 PID 3852 wrote to memory of 5000 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 92 PID 3852 wrote to memory of 784 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 94 PID 3852 wrote to memory of 784 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 94 PID 3852 wrote to memory of 784 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 94 PID 3852 wrote to memory of 3164 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 96 PID 3852 wrote to memory of 3164 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 96 PID 3852 wrote to memory of 3164 3852 c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe 96 PID 3164 wrote to memory of 1540 3164 csrss.exe 97 PID 3164 wrote to memory of 1540 3164 csrss.exe 97 PID 3164 wrote to memory of 1540 3164 csrss.exe 97 PID 3164 wrote to memory of 3128 3164 csrss.exe 102 PID 3164 wrote to memory of 3128 3164 csrss.exe 102 PID 3164 wrote to memory of 3128 3164 csrss.exe 102 PID 3164 wrote to memory of 4136 3164 csrss.exe 105 PID 3164 wrote to memory of 4136 3164 csrss.exe 105 PID 3164 wrote to memory of 4136 3164 csrss.exe 105 PID 3164 wrote to memory of 844 3164 csrss.exe 107 PID 3164 wrote to memory of 844 3164 csrss.exe 107 PID 4952 wrote to memory of 3612 4952 windefender.exe 113 PID 4952 wrote to memory of 3612 4952 windefender.exe 113 PID 4952 wrote to memory of 3612 4952 windefender.exe 113 PID 3612 wrote to memory of 3340 3612 cmd.exe 114 PID 3612 wrote to memory of 3340 3612 cmd.exe 114 PID 3612 wrote to memory of 3340 3612 cmd.exe 114 -
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\c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe"C:\Users\Admin\AppData\Local\Temp\c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4172 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 25043⤵
- Program crash
PID:1748
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C:\Users\Admin\AppData\Local\Temp\c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.exe"C:\Users\Admin\AppData\Local\Temp\c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866.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:3852 -
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:3100
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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:4520 -
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:2144
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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:5000
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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:784
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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:3164 -
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:1540
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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:2940
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3752
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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:3128
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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:4136
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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:844
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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:1924
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4952 -
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:3612 -
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:3340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1832 -ip 18321⤵PID:4336
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1172
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
MD589d9debc8c3a22d064bd94f1a8e4834b
SHA1a5b5bfe9cc4ef6d8da1dc840a9ad3a4a9908086c
SHA2567f2dcd6bd4ac98cd752c4b4596d20990dea10c64e9d56b2e7b17c5dc8eda8e88
SHA512cb9c976c0726bb16e8be4de12edde2729bcc60e77afc8cfca37b4a846b58f965ee9e5350ac474f03f5070d6b3c49b7c9b0a28559707f83a5bf712834548c683f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5926a358a6f307e679a78df262f0977d5
SHA165adb3bee699b24f1fcbd17ce0e9a25c38267daa
SHA2567b6f468170ed9aba7686dc5b31221a65629a69dc064e6a5696ac7fa746513ff9
SHA512c1b78e741aa9262746ededfe55cad5924c20c782c7310a8d7d7cc4029259f7ad7d9081ceeaa7e9fdbc87412f729688229d85ea4c6c7c7be82750eaa9c6254884
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd9683cffb32c6f2c27628d10bd522b1
SHA177342250187392dab56c585db89962a53a231df0
SHA256852ec7320192ac2b319a7f44caa2220735c284c766210f8017251512b2c08692
SHA51219d6c95a7b3a4f5d94e8ee897d75a33d431f388d9f3710aea8e05ae165de8188269530bbb74aa999fc994c9294df935401d6504a3ce1cba28fd5b6fb7319f5e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e944929be0295aa958a3a500ba279e1
SHA16e0bb50c160faf29047493566b922b46a598fae4
SHA256c15ba624e455a92f35eef4f073401bfb8ca98369483f7c63f7c9e81bd7483de7
SHA512433faee37835d55962472f7191ec180c4553569c22348ce9c314feecef6bd15d631056e98d4c5bf402645ab3ab8ff59e0f24ac5f6d294253509f6aa23feac134
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5091fba4d5081237674ac8cbdf897357f
SHA1b6bb2d11fbedc1c13984f2a62d7c19a88d17139b
SHA256b1db6d712af11ded6176548dce5f401251086a2cb51bc57bddc12d9658523d99
SHA512c91efb4e82fa2e039dc7332c0c2c16a8258200a57e0405a67e8feb7583272dad3ed1e6f45df12e4948a2702a8704fb459f23e480d8e9d87901d25f411644fd38
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Filesize
4.1MB
MD56a50085628f850506bb7c9bd99d56fde
SHA1f2f955b9a6ae15bbe877ba9e4f321b862a5341f3
SHA256c2710b40e096e605d9952e9f829b539eb1e53f5415f92b194d4b5407af7b5866
SHA512922fd9e3c2c4a188be6950d4ba2e8f79a3fdac732f71b51031d097bae610838bffc4fb1f09f3c4aef89e08071e724536ee06bc1f4547ca84eb47f9ec9b7e68a3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec