Analysis
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max time kernel
150s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
17/03/2025, 06:22
Behavioral task
behavioral1
Sample
2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
Resource
win10v2004-20250314-en
General
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Target
2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
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Size
9.1MB
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MD5
14d96020f09e260cd4ef90c61809fef6
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SHA1
7e25ab882091ab9846ee77f4f2f4bf2a937c811e
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SHA256
efbfc23a80634c5abcc19f9314d0afa14213e53ed909bec5aef45de667845e06
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SHA512
7f9741f85a8cae2d6ef7cd27c2d96d671ac27be4d90505ed253196eac4d74f4f7aea840372b94662ef49d117148e91556d3c9bb7ef301e11d7793344d4a3ec7d
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SSDEEP
98304:GHxMZDJ1TRpxYVX9u2IazANfKhZytTD5iqU:sxEvYjVzANyhwN
Malware Config
Signatures
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Glupteba family
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Glupteba payload 1 IoCs
resource yara_rule behavioral2/files/0x000b000000024290-125.dat family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3112 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3220 csrss.exe 5100 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe File created C:\Windows\rss\csrss.exe 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe -
pid Process 1376 powershell.exe 1848 powershell.exe 2504 powershell.exe 1568 powershell.exe 5852 powershell.exe 2044 powershell.exe 4028 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 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 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_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 1176 schtasks.exe 3104 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2044 powershell.exe 2044 powershell.exe 5772 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 5772 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 4028 powershell.exe 4028 powershell.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1376 powershell.exe 1376 powershell.exe 1848 powershell.exe 1848 powershell.exe 2504 powershell.exe 2504 powershell.exe 1568 powershell.exe 1568 powershell.exe 5852 powershell.exe 5852 powershell.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 3220 csrss.exe 3220 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 3220 csrss.exe 3220 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 5772 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Token: SeImpersonatePrivilege 5772 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 1848 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 5852 powershell.exe Token: SeSystemEnvironmentPrivilege 3220 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 5772 wrote to memory of 2044 5772 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 90 PID 5772 wrote to memory of 2044 5772 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 90 PID 5772 wrote to memory of 2044 5772 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 90 PID 2404 wrote to memory of 4028 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 95 PID 2404 wrote to memory of 4028 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 95 PID 2404 wrote to memory of 4028 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 95 PID 2404 wrote to memory of 4940 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 97 PID 2404 wrote to memory of 4940 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 97 PID 4940 wrote to memory of 3112 4940 cmd.exe 99 PID 4940 wrote to memory of 3112 4940 cmd.exe 99 PID 2404 wrote to memory of 1376 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 100 PID 2404 wrote to memory of 1376 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 100 PID 2404 wrote to memory of 1376 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 100 PID 2404 wrote to memory of 1848 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 102 PID 2404 wrote to memory of 1848 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 102 PID 2404 wrote to memory of 1848 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 102 PID 2404 wrote to memory of 3220 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 104 PID 2404 wrote to memory of 3220 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 104 PID 2404 wrote to memory of 3220 2404 2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 104 PID 3220 wrote to memory of 2504 3220 csrss.exe 105 PID 3220 wrote to memory of 2504 3220 csrss.exe 105 PID 3220 wrote to memory of 2504 3220 csrss.exe 105 PID 3220 wrote to memory of 1568 3220 csrss.exe 110 PID 3220 wrote to memory of 1568 3220 csrss.exe 110 PID 3220 wrote to memory of 1568 3220 csrss.exe 110 PID 3220 wrote to memory of 5852 3220 csrss.exe 113 PID 3220 wrote to memory of 5852 3220 csrss.exe 113 PID 3220 wrote to memory of 5852 3220 csrss.exe 113 PID 3220 wrote to memory of 5100 3220 csrss.exe 115 PID 3220 wrote to memory of 5100 3220 csrss.exe 115 -
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\2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5772 -
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:2044
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C:\Users\Admin\AppData\Local\Temp\2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-17_14d96020f09e260cd4ef90c61809fef6_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_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:2404 -
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:4028
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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:4940 -
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:3112
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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:1376
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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:1848
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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:3220 -
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:2504
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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:1176
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2664
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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:1568
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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:5852
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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:5100
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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:3104
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ee8d1c5d0120b80b32ca9e39fda6de1
SHA1f3f4e8c9bd7bc35001096eb1a228552175891034
SHA2564e6f624b4481745258d5926d68a4609c7deb30c8a385828f17fd1fc873689a5a
SHA512eac9a8f6f0df4d08535201b58e8ba2adaa07014659aec039888efaa4d52ca5367675d3a3989964f66c8f8b1273670ff4c845891135e5e596d126a3cc1691afb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5089cf8287e3c13d31b43947ab39a5818
SHA1cb3e122e10e30d787e3e64a5ee3efe31332050ac
SHA25696070a9538c975046e07beea2021dc47beed6a3567c66e7a300cfca5a4918d69
SHA5120fcdb5c31713419d88e9d40c77d7a59b6f52e387da3bad2f683b295a5a1a03b37e71a9a5f6311e38f0d5b123362fb035d2b624113912564bec5ee4f457f3cf1d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566c4ee16c8cfc22c6544e77639d81f9b
SHA13767befbd3c4088d829b522b07445fba585dc1d7
SHA256893a4d0bd2e22b847d661d7016e45b99266470aa3f33bfea000b9257c52601e6
SHA51263aeb2ee6d901fc0094898eb2ec2958a1498d922c8393cafe5d024f1b5ed46e9fc65e9c1a0b52ebfb310b54420b72ac21d8bfc3aaab0ae0233fdf904752206b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5658984fae241e928577b5c67b5cd4da8
SHA14bdca626749465aef24d45a97f6260a23b1529b1
SHA2560ec4f54387d3c601977e64961f72e6839598cb513f7a28bcdfa6f74e3ae0ac61
SHA512db11ff7c0f8c886aa31917bf439a5887a9b26806a7db9bd5469ce56084a9eecea143c9945074a08a39e11653c1f9afa831c8590066c19f45872045872bd4729d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54ee83def2dfaeb17cd8fd66ec83b818c
SHA1494282ec4361e7d826c09f26149e6cd3e9ae81ca
SHA256521f6b29866738004815802be4b79ba64e061e1727210aff664c24e08f04b953
SHA512bc76acabe9eb511482b4419f1ebde35368ce8f7635fb01f7417d64709ab1269d9caa3588c7af38aff8f08da59f2987a0963f555fd824b9291f099c2be0b6a531
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Filesize
9.1MB
MD514d96020f09e260cd4ef90c61809fef6
SHA17e25ab882091ab9846ee77f4f2f4bf2a937c811e
SHA256efbfc23a80634c5abcc19f9314d0afa14213e53ed909bec5aef45de667845e06
SHA5127f9741f85a8cae2d6ef7cd27c2d96d671ac27be4d90505ed253196eac4d74f4f7aea840372b94662ef49d117148e91556d3c9bb7ef301e11d7793344d4a3ec7d