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Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2024, 10:02
Behavioral task
behavioral1
Sample
2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe
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Size
9.1MB
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MD5
7d31b20c88ee1938102f889b63f4105b
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SHA1
1bbad6d8ee432927a6ae5e300a9d5a70bbe03fad
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SHA256
f007f850a708b041bf4b8d6d97c59a004b57232d3642d9292cb349abb183dc5f
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SHA512
d854b299772ab46cd677e6814a84711e8c2e447963e61a31cfe188995c7fd84f756ab0fec0b298e314a7f139e790c56bd5418a98737c84978cbc530e4c457789
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SSDEEP
98304:GHxMZDJ1TRpxYVX9u2IazANfQhZytTD5iqE:sxEvYjVzANIhwN
Malware Config
Signatures
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Glupteba payload 1 IoCs
resource yara_rule behavioral2/files/0x000800000002343b-127.dat family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4300 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1064 csrss.exe 3988 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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 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 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 -
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 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe File created C:\Windows\rss\csrss.exe 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe -
pid Process 4884 powershell.exe 3508 powershell.exe 4560 powershell.exe 4000 powershell.exe 1168 powershell.exe 2184 powershell.exe 4964 powershell.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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,-381 = "South Africa Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.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\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2904 schtasks.exe 4768 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4560 powershell.exe 4560 powershell.exe 5056 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 5056 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 4000 powershell.exe 4000 powershell.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 1168 powershell.exe 1168 powershell.exe 2184 powershell.exe 2184 powershell.exe 4964 powershell.exe 4964 powershell.exe 4884 powershell.exe 4884 powershell.exe 3508 powershell.exe 3508 powershell.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 1064 csrss.exe 1064 csrss.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 1064 csrss.exe 1064 csrss.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4560 powershell.exe Token: SeDebugPrivilege 5056 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Token: SeImpersonatePrivilege 5056 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe Token: SeDebugPrivilege 4000 powershell.exe Token: SeDebugPrivilege 1168 powershell.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeDebugPrivilege 3508 powershell.exe Token: SeSystemEnvironmentPrivilege 1064 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 5056 wrote to memory of 4560 5056 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 83 PID 5056 wrote to memory of 4560 5056 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 83 PID 5056 wrote to memory of 4560 5056 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 83 PID 3720 wrote to memory of 4000 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 88 PID 3720 wrote to memory of 4000 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 88 PID 3720 wrote to memory of 4000 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 88 PID 3720 wrote to memory of 3784 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 90 PID 3720 wrote to memory of 3784 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 90 PID 3784 wrote to memory of 4300 3784 cmd.exe 92 PID 3784 wrote to memory of 4300 3784 cmd.exe 92 PID 3720 wrote to memory of 1168 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 93 PID 3720 wrote to memory of 1168 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 93 PID 3720 wrote to memory of 1168 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 93 PID 3720 wrote to memory of 2184 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 95 PID 3720 wrote to memory of 2184 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 95 PID 3720 wrote to memory of 2184 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 95 PID 3720 wrote to memory of 1064 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 97 PID 3720 wrote to memory of 1064 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 97 PID 3720 wrote to memory of 1064 3720 2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe 97 PID 1064 wrote to memory of 4964 1064 csrss.exe 100 PID 1064 wrote to memory of 4964 1064 csrss.exe 100 PID 1064 wrote to memory of 4964 1064 csrss.exe 100 PID 1064 wrote to memory of 4884 1064 csrss.exe 106 PID 1064 wrote to memory of 4884 1064 csrss.exe 106 PID 1064 wrote to memory of 4884 1064 csrss.exe 106 PID 1064 wrote to memory of 3508 1064 csrss.exe 111 PID 1064 wrote to memory of 3508 1064 csrss.exe 111 PID 1064 wrote to memory of 3508 1064 csrss.exe 111 PID 1064 wrote to memory of 3988 1064 csrss.exe 113 PID 1064 wrote to memory of 3988 1064 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\2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4560
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C:\Users\Admin\AppData\Local\Temp\2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-03_7d31b20c88ee1938102f889b63f4105b_poet-rat_snatch.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4000
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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:3784 -
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
- Event Triggered Execution: Netsh Helper DLL
PID:4300
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184
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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.
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4964
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:2904
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4432
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4884
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3508
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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:3988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:4768
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
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
MD559dee77bd981d43ff929ea0062811eaa
SHA151c4ec0b05ebc42aeab02d410d9c3834f4a2346b
SHA256800a2732baa5a2eb57cce166ff980ac6f9fbdf9952a3c7bc99f33db59cb75190
SHA5127381c7f64b5b31ac5047201c99f271dabd0c5bb2d6a7a63813128246b6f0930d96b7dafb2adf189d3bccde1a6679501d52d9ae3e568b177f459437c21364291d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547576fd652717c8f0e90c561c27b8404
SHA19725d3f09a320b0e9bc7615f6fd1af700edfc094
SHA25685344a75596da7f949f35b4417237ab799586ee30bd8c5d5c13d2ace7a2ccb74
SHA5120f74e78f5034ded1aff0b52f5771ffa4a18ed1642a72f49c06e9010dceb70741ad2eb67ab6f4f287e9c77f145c89bdea3dfc827f21f5b8732d499ae6128b1809
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a17e01068265dba00634d755fcc9f837
SHA189ebd7ede8d25c388158c1b794914ae0baa7fd53
SHA256fea10f4d1fddca188a24f1246f0626e5977429fddbc4f5cf5274bf347e838462
SHA512871a3e51ed3faec58581238dc1d422fa3e153aabf48ebebc8a9728352691444103387c9c4f847f211b3a2a6be4ee57298821151c56abddc874efe968c465d5dd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b4e1e3ed500f6ab5e99b3b76d9d5eb7
SHA11b5fe4f847fcec890670a416e525460b30ff759d
SHA256a3ddc6c1d3e3fec326d7cc6166bde25bc351646af84da2ec7f56f5d3c001a176
SHA512ebaec8749b51bff958182283dc5907eb1d14545bfbce5e3b3401e79861df7cfc667e9e3fe5c301012d1ef6382e74d007fc082d1209b55475f191e700e2fba115
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55629691014ff8c26ae15606aa6162852
SHA1c66d3c8cf13cc3f569614f1d68d644ab00f1e159
SHA2564b2747daeb230016890a5fd572525c42a617dac260a49ed8c588d3219f348ead
SHA512c71b6dc2e839cd22fc8827fd6ac8751f9680404813eec1cc28e0acc51e062fb4ffca073fe8ff38086688ab471cfc5e22c02b84d1aeac2e78aa0ab6c6354d4edf
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Filesize
9.1MB
MD57d31b20c88ee1938102f889b63f4105b
SHA11bbad6d8ee432927a6ae5e300a9d5a70bbe03fad
SHA256f007f850a708b041bf4b8d6d97c59a004b57232d3642d9292cb349abb183dc5f
SHA512d854b299772ab46cd677e6814a84711e8c2e447963e61a31cfe188995c7fd84f756ab0fec0b298e314a7f139e790c56bd5418a98737c84978cbc530e4c457789