Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe
Resource
win10v2004-20240412-en
General
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Target
9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe
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Size
4.2MB
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MD5
440ab6c0baccb5e35e1dfb0582894bd8
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SHA1
4df5ce6c39ae9751e02b989d293af988ef283882
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SHA256
9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73
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SHA512
ed27269a8e47783ff9f79258bb9177a054f3ba33f751017752abf50a5ac1864aea221406f12788b2a7de8ac18d25df5a096d9f79b61968f8ccd92e8a24f23e75
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGC:XdVQtLoTZDg5GO9Bqlca
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3924-2-0x0000000004250000-0x0000000004B3B000-memory.dmp family_glupteba behavioral2/memory/3924-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3924-49-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3924-52-0x0000000004250000-0x0000000004B3B000-memory.dmp family_glupteba behavioral2/memory/784-53-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/784-113-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/784-114-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/784-145-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-242-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2436-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3632 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2436 csrss.exe 4880 injector.exe 3632 windefender.exe 4540 windefender.exe -
resource yara_rule behavioral2/files/0x000100000002a9d1-246.dat upx behavioral2/memory/3632-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe File created C:\Windows\rss\csrss.exe 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.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 4684 sc.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 4192 schtasks.exe 4564 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.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\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.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\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.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\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4464 powershell.exe 4464 powershell.exe 3924 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 3924 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 3836 powershell.exe 3836 powershell.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 780 powershell.exe 780 powershell.exe 2188 powershell.exe 2188 powershell.exe 2196 powershell.exe 2196 powershell.exe 3332 powershell.exe 3332 powershell.exe 2760 powershell.exe 2760 powershell.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 2436 csrss.exe 2436 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 2436 csrss.exe 2436 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 2436 csrss.exe 2436 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4464 powershell.exe Token: SeDebugPrivilege 3924 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Token: SeImpersonatePrivilege 3924 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 2188 powershell.exe Token: SeDebugPrivilege 2196 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 2760 powershell.exe Token: SeSystemEnvironmentPrivilege 2436 csrss.exe Token: SeSecurityPrivilege 4684 sc.exe Token: SeSecurityPrivilege 4684 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3924 wrote to memory of 4464 3924 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 79 PID 3924 wrote to memory of 4464 3924 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 79 PID 3924 wrote to memory of 4464 3924 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 79 PID 784 wrote to memory of 3836 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 84 PID 784 wrote to memory of 3836 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 84 PID 784 wrote to memory of 3836 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 84 PID 784 wrote to memory of 2068 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 86 PID 784 wrote to memory of 2068 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 86 PID 2068 wrote to memory of 3632 2068 cmd.exe 88 PID 2068 wrote to memory of 3632 2068 cmd.exe 88 PID 784 wrote to memory of 780 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 89 PID 784 wrote to memory of 780 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 89 PID 784 wrote to memory of 780 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 89 PID 784 wrote to memory of 2188 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 91 PID 784 wrote to memory of 2188 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 91 PID 784 wrote to memory of 2188 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 91 PID 784 wrote to memory of 2436 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 93 PID 784 wrote to memory of 2436 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 93 PID 784 wrote to memory of 2436 784 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 93 PID 2436 wrote to memory of 2196 2436 csrss.exe 94 PID 2436 wrote to memory of 2196 2436 csrss.exe 94 PID 2436 wrote to memory of 2196 2436 csrss.exe 94 PID 2436 wrote to memory of 3332 2436 csrss.exe 100 PID 2436 wrote to memory of 3332 2436 csrss.exe 100 PID 2436 wrote to memory of 3332 2436 csrss.exe 100 PID 2436 wrote to memory of 2760 2436 csrss.exe 102 PID 2436 wrote to memory of 2760 2436 csrss.exe 102 PID 2436 wrote to memory of 2760 2436 csrss.exe 102 PID 2436 wrote to memory of 4880 2436 csrss.exe 104 PID 2436 wrote to memory of 4880 2436 csrss.exe 104 PID 3632 wrote to memory of 4360 3632 windefender.exe 110 PID 3632 wrote to memory of 4360 3632 windefender.exe 110 PID 3632 wrote to memory of 4360 3632 windefender.exe 110 PID 4360 wrote to memory of 4684 4360 cmd.exe 111 PID 4360 wrote to memory of 4684 4360 cmd.exe 111 PID 4360 wrote to memory of 4684 4360 cmd.exe 111 -
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\9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe"C:\Users\Admin\AppData\Local\Temp\9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4464
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C:\Users\Admin\AppData\Local\Temp\9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe"C:\Users\Admin\AppData\Local\Temp\9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.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:784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
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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:2068 -
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:3632
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:780
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2188
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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:2436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2196
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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:4192
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4304
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3332
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2760
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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:4880
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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:4564
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3632 -
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:4360 -
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:4684
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4540
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f17ffa702f3eca999c2aa4539132372
SHA18b16866c806149c301b4efdc2d8a1d64036ff814
SHA2562e488ff3fb687cddce650d965d9507e0c34f5ace7d62e7a5c0f6504eec4efd56
SHA5123967ee380ddd72ed6b5dcc5f84052295d8535b838e9a437ea5d96891dfe1183f42b0f4bca155ce039a004af29acf1368963d558b8764e4938de87ac0574c6bf8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d994bad554736f39ed360f41e76bf2f
SHA197b4dcb3946a31145e89310c53daf8257c093562
SHA2563e24b314bc28e9e92913c28e2978c989d71c5c1397bdf6336542c12b6d64eba1
SHA51293274fcdf3c4228fa28a04b7bfe7395c69e474c8f0087c2433e87f0aab8144df7ee60ac15af375fc33b18f5aa5c12a7175132c0dc1433c335b6ebf857a71a6c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5228635671ae047330ad0793ec59251d6
SHA11337f1db9d6003bd289c4e888caa853e14a612cd
SHA256df6a17d50a823689ae7b7da3cbb9089eee141a2ab393cd7eb5c57ed69489fb1a
SHA5125c69ee55910aca08de12092f6b7fdd4181f98300ea3b805a365970199229c28ffd5f850233e3d5922019f26fc1198dbe372ece1c02102bfd7e009e2e5b2805cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579c0c379340257a62153c8e363c1e16b
SHA15a0e080e2d3441abf399cb904d2625378867ee00
SHA25647cedad0ac8078d1e850944c1ee0823fb27e09729f28a57f17cf77d3c1699ef9
SHA512cd1bc2d040370a362860acb63b0ca2b51e491230976eb9a271f7069c38d223ee4a142e2f5da7265ec82c0ca235b2b7a4e7ea22a85e33428b75d8e5f47a44bf61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58628ec8132915444105d1a097a392b63
SHA19f026531c7fae163b87381dc30472ce6cc82e2b6
SHA256b10b9a1caef2c361ad5b1a501f45ea70024de92ea7934d1ed9cb6a2d1ada1348
SHA5121adfc67cfb1ce9eb8910ee2c6d83259fa71d20c161e9a3b47dc43e7dbe5e6f6bed8022a5db74069d5f2061f59d237e0a2ddfa15ad4108031c0e8352a0d765b42
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Filesize
4.2MB
MD5440ab6c0baccb5e35e1dfb0582894bd8
SHA14df5ce6c39ae9751e02b989d293af988ef283882
SHA2569136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73
SHA512ed27269a8e47783ff9f79258bb9177a054f3ba33f751017752abf50a5ac1864aea221406f12788b2a7de8ac18d25df5a096d9f79b61968f8ccd92e8a24f23e75
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec