Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
26/04/2024, 23:30
Static task
static1
Behavioral task
behavioral1
Sample
a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe
Resource
win10v2004-20240419-en
General
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Target
a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe
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Size
4.2MB
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MD5
ba6a1e5da1e8dffa9ce0e17aa5ef1acc
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SHA1
562e17a3b8ac1d793d2181371d7c93b1ca3505ee
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SHA256
a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7
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SHA512
950bba1578613b460c03d404a4b6beeef24df413faa910dda6fbec4805ead55b66d0ab2d1742e1bb861a61e3c36c087321eaa29fc113a7e1a3ccb2cab8462c78
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SSDEEP
98304:uNqkCei/RpwTNwvC/d0zkTzoLKVJHo/KUEsELUhP0F0GS:uueAwA5oTznVGKlAco
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1592-2-0x0000000006480000-0x0000000006D6B000-memory.dmp family_glupteba behavioral1/memory/1592-3-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1592-77-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1592-127-0x0000000006480000-0x0000000006D6B000-memory.dmp family_glupteba behavioral1/memory/2920-125-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2920-157-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-159-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-212-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-220-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-223-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-226-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-229-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-231-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-235-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-238-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-241-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-244-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2780-246-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 944 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2780 csrss.exe 4364 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\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 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 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 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe File created C:\Windows\rss\csrss.exe a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.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 1012 schtasks.exe 4272 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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,-1721 = "Libya Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.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\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3752 powershell.exe 3752 powershell.exe 1592 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 1592 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 1388 powershell.exe 1388 powershell.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 3732 powershell.exe 3732 powershell.exe 2108 powershell.exe 2108 powershell.exe 400 powershell.exe 400 powershell.exe 4556 powershell.exe 4556 powershell.exe 3172 powershell.exe 3172 powershell.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 2780 csrss.exe 2780 csrss.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 2780 csrss.exe 2780 csrss.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe 4364 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3752 powershell.exe Token: SeDebugPrivilege 1592 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Token: SeImpersonatePrivilege 1592 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeDebugPrivilege 2108 powershell.exe Token: SeDebugPrivilege 400 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 3172 powershell.exe Token: SeSystemEnvironmentPrivilege 2780 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1592 wrote to memory of 3752 1592 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 86 PID 1592 wrote to memory of 3752 1592 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 86 PID 1592 wrote to memory of 3752 1592 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 86 PID 2920 wrote to memory of 1388 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 92 PID 2920 wrote to memory of 1388 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 92 PID 2920 wrote to memory of 1388 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 92 PID 2920 wrote to memory of 1100 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 94 PID 2920 wrote to memory of 1100 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 94 PID 1100 wrote to memory of 944 1100 cmd.exe 96 PID 1100 wrote to memory of 944 1100 cmd.exe 96 PID 2920 wrote to memory of 3732 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 97 PID 2920 wrote to memory of 3732 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 97 PID 2920 wrote to memory of 3732 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 97 PID 2920 wrote to memory of 2108 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 99 PID 2920 wrote to memory of 2108 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 99 PID 2920 wrote to memory of 2108 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 99 PID 2920 wrote to memory of 2780 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 101 PID 2920 wrote to memory of 2780 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 101 PID 2920 wrote to memory of 2780 2920 a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe 101 PID 2780 wrote to memory of 400 2780 csrss.exe 102 PID 2780 wrote to memory of 400 2780 csrss.exe 102 PID 2780 wrote to memory of 400 2780 csrss.exe 102 PID 2780 wrote to memory of 4556 2780 csrss.exe 109 PID 2780 wrote to memory of 4556 2780 csrss.exe 109 PID 2780 wrote to memory of 4556 2780 csrss.exe 109 PID 2780 wrote to memory of 3172 2780 csrss.exe 111 PID 2780 wrote to memory of 3172 2780 csrss.exe 111 PID 2780 wrote to memory of 3172 2780 csrss.exe 111 PID 2780 wrote to memory of 4364 2780 csrss.exe 113 PID 2780 wrote to memory of 4364 2780 csrss.exe 113 -
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\a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe"C:\Users\Admin\AppData\Local\Temp\a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3752
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C:\Users\Admin\AppData\Local\Temp\a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.exe"C:\Users\Admin\AppData\Local\Temp\a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7.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:2920 -
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:1388
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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:1100 -
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:944
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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:3732
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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:2108
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780 -
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:400
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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:1012
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2660
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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:4556
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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:3172
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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:4364
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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:4272
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c50885ecaf72bda73c379a691ac60aa3
SHA14530f017c24d29d54c003d8d7e0f07ccbf5747fa
SHA25678fa2b61d9e64cdb57369bb2775d4c7c05681d555d1712597f1198338b5cba7e
SHA51290d8629e38376d66ba8063a6fc63441d54728d4c9c0c77063df507303c67a5376bbb0dea4be647f3e93509426608826f8229e61f0294f5fb75e2fe2e7ec546f5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD593aed7de9a3d6c9e056073bd4f2c3e8a
SHA16a5a50a2ba4b02e3339101dff6910c2059c0dae9
SHA2569c58d0b5a39fac718bdf0ade2486400ec6f1aef5808943cbd4e50bc8fe827118
SHA5121eef1af8d2d5a051f6e5b856b7bc0e43520eac077614c6a0c0f3c58ca0d8538c78ad8acdbd8648354626b5eae0bf75117331007b8303cfb454abd8a31b4d0f7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb9abc6520840062ca0bb3b0984e14ee
SHA1cbf8842fe9a3d0500ac95c7784c568e74be14852
SHA2567bd8a274272db99ecc2fa5e68e1b3a7da7e432e41df1374ad61e3a9d5e8b14da
SHA5121627cd7ce4c2965fa40f982c919e0c0229e1fd5bfd5d4458b73c8c96efa1edd38ba549bbdda6d016d7b2caf0de80e09d8566255dfc62047dac83278209c28912
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5200eedf8a2cd8d48dce84a2997729ea8
SHA1df37c74aee0a0fc19c58fa94a9831dd7ce0ae013
SHA256e53d134616209d0584338b18999de7761f3c20e45ccc00c227e3069ccf5089ca
SHA512f9059642c0acfe9e84b8e0dfe03b7128e4c66c5e8cf3d34bff7f53cb455ed48a13db27c8eeaf30282e337437743270acf0ff3bc741633017a62631f8509288de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a999ed430e2d7d886c2a227063c97c8
SHA1c6000ba73a8cd91304690273f0bdce6d412d55df
SHA256fe30f3567364fec9067d401c1d93db61781ac1f537b9bf3278fa7439ddc12c82
SHA5127f498f8d4e9655fdc398c11f5eeca1c14d383875c8ecedbe87f8ac8b6c0034ade31ef3b855f9d4dd393f89804c8e440919a2ed76b05efae9452f6cee898fc9e7
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Filesize
4.2MB
MD5ba6a1e5da1e8dffa9ce0e17aa5ef1acc
SHA1562e17a3b8ac1d793d2181371d7c93b1ca3505ee
SHA256a9941174e6ef9377f35fc59067a11b68347774d10320e4fd98a4232b626b2cf7
SHA512950bba1578613b460c03d404a4b6beeef24df413faa910dda6fbec4805ead55b66d0ab2d1742e1bb861a61e3c36c087321eaa29fc113a7e1a3ccb2cab8462c78