Analysis
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max time kernel
130s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:15
Static task
static1
Behavioral task
behavioral1
Sample
2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe
Resource
win10v2004-20240226-en
General
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Target
2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe
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Size
4.1MB
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MD5
e4567e39bc798306ba18e6ce707219d2
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SHA1
b6739d7c74dcdbb951c4316cc764857563c84258
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SHA256
2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f
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SHA512
c7d0339a92438b0e7472d54881a85b533a3adbee7c59f4a31c43228a6dce012ccedaa2fa5f7cca66cf7440b28dd001750d74bd552a5124cb94856c8bf88ba1ce
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SSDEEP
98304:3hzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvX:Rz9CiccJ0CpfGcGG1DfLZ
Malware Config
Signatures
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Glupteba payload 13 IoCs
resource yara_rule behavioral1/memory/4504-2-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral1/memory/4504-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4504-29-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4504-57-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral1/memory/4504-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4504-58-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5108-84-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5108-135-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5108-140-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2516-157-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2516-209-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2516-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2516-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4484 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2516 csrss.exe -
resource yara_rule behavioral1/files/0x0004000000000733-231.dat upx behavioral1/memory/3988-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4484-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3988-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4484-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.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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Drops file in System32 directory 6 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 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 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe File created C:\Windows\rss\csrss.exe 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5092 sc.exe -
pid Process 2572 powershell.exe 4640 powershell.exe 4512 powershell.exe 2548 powershell.exe 2040 powershell.exe 3832 powershell.exe 932 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3500 schtasks.exe 5024 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 4640 powershell.exe 4640 powershell.exe 4640 powershell.exe 4504 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4504 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4512 powershell.exe 4512 powershell.exe 4512 powershell.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 2548 powershell.exe 2548 powershell.exe 2548 powershell.exe 2040 powershell.exe 2040 powershell.exe 2040 powershell.exe 3832 powershell.exe 3832 powershell.exe 932 powershell.exe 932 powershell.exe 2572 powershell.exe 2572 powershell.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 4504 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Token: SeImpersonatePrivilege 4504 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 2548 powershell.exe Token: SeDebugPrivilege 2040 powershell.exe Token: SeDebugPrivilege 3832 powershell.exe Token: SeDebugPrivilege 932 powershell.exe Token: SeDebugPrivilege 2572 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4504 wrote to memory of 4640 4504 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 98 PID 4504 wrote to memory of 4640 4504 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 98 PID 4504 wrote to memory of 4640 4504 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 98 PID 5108 wrote to memory of 4512 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 104 PID 5108 wrote to memory of 4512 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 104 PID 5108 wrote to memory of 4512 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 104 PID 5108 wrote to memory of 4272 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 106 PID 5108 wrote to memory of 4272 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 106 PID 4272 wrote to memory of 4484 4272 cmd.exe 108 PID 4272 wrote to memory of 4484 4272 cmd.exe 108 PID 5108 wrote to memory of 2548 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 109 PID 5108 wrote to memory of 2548 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 109 PID 5108 wrote to memory of 2548 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 109 PID 5108 wrote to memory of 2040 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 111 PID 5108 wrote to memory of 2040 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 111 PID 5108 wrote to memory of 2040 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 111 PID 5108 wrote to memory of 2516 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 113 PID 5108 wrote to memory of 2516 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 113 PID 5108 wrote to memory of 2516 5108 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 113 PID 2516 wrote to memory of 3832 2516 csrss.exe 114 PID 2516 wrote to memory of 3832 2516 csrss.exe 114 PID 2516 wrote to memory of 3832 2516 csrss.exe 114 PID 2516 wrote to memory of 932 2516 csrss.exe 120 PID 2516 wrote to memory of 932 2516 csrss.exe 120 PID 2516 wrote to memory of 932 2516 csrss.exe 120 PID 2516 wrote to memory of 2572 2516 csrss.exe 122 PID 2516 wrote to memory of 2572 2516 csrss.exe 122 PID 2516 wrote to memory of 2572 2516 csrss.exe 122 -
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\2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe"C:\Users\Admin\AppData\Local\Temp\2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640
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C:\Users\Admin\AppData\Local\Temp\2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe"C:\Users\Admin\AppData\Local\Temp\2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.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:5108 -
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:4512
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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:4272 -
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:4484
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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:2548
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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:2040
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2516 -
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:3832
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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:3500
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2884
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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:932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2572
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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⤵PID:3780
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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:5024
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:3988
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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⤵PID:2000
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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
PID:5092
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:81⤵PID:4696
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:4484
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d1c9686c4d2a1fa9c3d009e329bb679a
SHA1890dcc103bbf48f37f5bd8c2cb6f741492d9a4b0
SHA256b21f23507da999c9f6ce6c7b3a408aa49c1fdace6a5d68569dee8da43ad83942
SHA512d9c9ffc2458c872faa771c9e894fe46f5354a50bb1e76e48a55e9e0b4a2eefe741bcc31fe9b277808745a255b98f49dce512848254979e7cce118c5a8d3d8676
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f887a6171bc46c22856c71d9e50e1748
SHA1a1143a9f028deeb2e4791b20729764fc376ec885
SHA256ea0e46e84e849c8beb28560f43085fb20a4ba44c53c104d51214942b9f5bb0b9
SHA512d0e2410f347833201d1e3542e7e3eacfbd500f14c687cec5a229e4cd2fee083df5ef156529aaf71db7bffc8fcd679d0ab631b8dbc2158f63b30c6910a705a97e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD525f6681d8fd9cdd7a3d11d415d903742
SHA159e40df6fd19e81d2231ef53813efec601013178
SHA256e8414ec14ff1a3f69ecb94402fc77199f4a4b516f18cd71b0dbcb7d8fd3cfdf8
SHA512b0c5edc6f30875158e63bb199f729b1125b6c7ef2ce3e2c61a60bf6a6c567752e4c4bf364753196821b4253e2851f53042abbc19b5a06d64e392a1d03cd48273
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3bbaa7c7d276895b40133182aac21dd
SHA17307497da6a490afdeaeef78970a38b77bf07280
SHA256106d1a0924d7db3a30617c4796f52038caf0950d3a783434c18eb62b66b57ffb
SHA5126987566742d20c02381bf19a655b8a6f817f8af88fea96ed0ae4967db4d707735e594324a654a64ac8871e23f578f35ba6f52f098eba7fcc0cf59a9938a46566
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5737a8bd5f2b140ace7436d44496510d8
SHA17e845b80bae407e60cd0d48685b7a372e91adf15
SHA25675497810ce1546c0f63b3ffe486eb1b7d6bab4aba0cf890f67b71ba92950e6af
SHA5120e6a1385bfb5f70ff421525abce410e7a47ec0e693f6af3cccdf5af9949b6d1d37aac8455fea7a57a96cdd0ea4e0e580e284a536600a04003e8f3264cbb01e8e
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Filesize
4.1MB
MD5e4567e39bc798306ba18e6ce707219d2
SHA1b6739d7c74dcdbb951c4316cc764857563c84258
SHA2562ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f
SHA512c7d0339a92438b0e7472d54881a85b533a3adbee7c59f4a31c43228a6dce012ccedaa2fa5f7cca66cf7440b28dd001750d74bd552a5124cb94856c8bf88ba1ce
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec