Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
22/03/2025, 10:37
Behavioral task
behavioral1
Sample
2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
Resource
win10v2004-20250313-en
General
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Target
2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
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Size
9.1MB
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MD5
74ea3528711206c313711f523311365b
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SHA1
4c8246ee00627b5387b7220d4e5a9c84b3caf65f
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SHA256
d787ebd2a6568778e6715f1cd0f28ef46dd5f2e81ecd67347ab4f667d12605a1
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SHA512
e34bcdb5b7e8417559204c276dcec1b6c748f6507e0601d643b0bb2132a547064b8d775acbf3e011e2866e911130c718241c19b49cafb0fdbc11560951aa6da3
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SSDEEP
98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6j:sxEvYjVzANihwN4
Malware Config
Signatures
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Glupteba family
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Glupteba payload 1 IoCs
resource yara_rule behavioral2/files/0x00090000000242b5-128.dat family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3312 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1264 csrss.exe 4788 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2025-03-22_74ea3528711206c313711f523311365b_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 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe File created C:\Windows\rss\csrss.exe 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe -
pid Process 528 powershell.exe 2576 powershell.exe 5720 powershell.exe 5232 powershell.exe 5320 powershell.exe 1232 powershell.exe 1564 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 value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \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 2025-03-22_74ea3528711206c313711f523311365b_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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.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 -
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,-1021 = "Bangladesh Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-384 = "Namibia Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-449 = "Azerbaijan Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-172 = "Central Standard Time (Mexico)" 2025-03-22_74ea3528711206c313711f523311365b_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,-252 = "Dateline Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-2322 = "Sakhalin Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-1411 = "Syria Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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,-105 = "Central Brazilian Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-2772 = "Omsk Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-401 = "Arabic Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-2492 = "Aus Central W. Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-2062 = "North Korea Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-1042 = "Ulaanbaatar Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.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,-171 = "Central Daylight Time (Mexico)" 2025-03-22_74ea3528711206c313711f523311365b_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" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_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\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-2321 = "Sakhalin Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-2391 = "Aleutian Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-2162 = "Altai Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-2432 = "Cuba Standard Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-341 = "Egypt Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_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,-71 = "Newfoundland Daylight Time" 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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 4076 schtasks.exe 5296 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1564 powershell.exe 1564 powershell.exe 2992 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2992 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 528 powershell.exe 528 powershell.exe 528 powershell.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2576 powershell.exe 2576 powershell.exe 5720 powershell.exe 5720 powershell.exe 5232 powershell.exe 5232 powershell.exe 5232 powershell.exe 5320 powershell.exe 5320 powershell.exe 1232 powershell.exe 1232 powershell.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 1264 csrss.exe 1264 csrss.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 1264 csrss.exe 1264 csrss.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1564 powershell.exe Token: SeDebugPrivilege 2992 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Token: SeImpersonatePrivilege 2992 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Token: SeDebugPrivilege 528 powershell.exe Token: SeDebugPrivilege 2576 powershell.exe Token: SeDebugPrivilege 5720 powershell.exe Token: SeDebugPrivilege 5232 powershell.exe Token: SeDebugPrivilege 5320 powershell.exe Token: SeDebugPrivilege 1232 powershell.exe Token: SeSystemEnvironmentPrivilege 1264 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2992 wrote to memory of 1564 2992 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 89 PID 2992 wrote to memory of 1564 2992 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 89 PID 2992 wrote to memory of 1564 2992 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 89 PID 1780 wrote to memory of 528 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 102 PID 1780 wrote to memory of 528 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 102 PID 1780 wrote to memory of 528 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 102 PID 1780 wrote to memory of 5880 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 105 PID 1780 wrote to memory of 5880 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 105 PID 5880 wrote to memory of 3312 5880 cmd.exe 107 PID 5880 wrote to memory of 3312 5880 cmd.exe 107 PID 1780 wrote to memory of 2576 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 108 PID 1780 wrote to memory of 2576 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 108 PID 1780 wrote to memory of 2576 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 108 PID 1780 wrote to memory of 5720 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 110 PID 1780 wrote to memory of 5720 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 110 PID 1780 wrote to memory of 5720 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 110 PID 1780 wrote to memory of 1264 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 113 PID 1780 wrote to memory of 1264 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 113 PID 1780 wrote to memory of 1264 1780 2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 113 PID 1264 wrote to memory of 5232 1264 csrss.exe 114 PID 1264 wrote to memory of 5232 1264 csrss.exe 114 PID 1264 wrote to memory of 5232 1264 csrss.exe 114 PID 1264 wrote to memory of 5320 1264 csrss.exe 120 PID 1264 wrote to memory of 5320 1264 csrss.exe 120 PID 1264 wrote to memory of 5320 1264 csrss.exe 120 PID 1264 wrote to memory of 1232 1264 csrss.exe 122 PID 1264 wrote to memory of 1232 1264 csrss.exe 122 PID 1264 wrote to memory of 1232 1264 csrss.exe 122 PID 1264 wrote to memory of 4788 1264 csrss.exe 124 PID 1264 wrote to memory of 4788 1264 csrss.exe 124 -
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\2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-22_74ea3528711206c313711f523311365b_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:2992 -
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:1564
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C:\Users\Admin\AppData\Local\Temp\2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-22_74ea3528711206c313711f523311365b_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:1780 -
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:528
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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:5880 -
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:3312
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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:2576
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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:5720
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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:1264 -
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:5232
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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:4076
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4752
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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:5320
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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:1232
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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:4788
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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:5296
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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
MD50d3b3785ad3fce700e85494e8251e3bf
SHA15b322867152987ea09f2fb132dd792e639db89d3
SHA256067e95d1329a82de80b6c28e8b24801d0f72975b6c0e788949200ed018325da5
SHA51263aeeba68a20107ba74b4e577234570c425979bc96e06381309d41115f439c028eb5ffa2f498e23060d1a75e40916ccf7af02d54b08c2263bb5870bf01267fca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c142524f1f25ac13ec2feb2cf940210
SHA1c65352fcb262b0ef3e3e6ec86d76928eb95f05f6
SHA256bdcdc11dbd330035049e8342024f678f81b9765ac1e1738a509000b8e96e9fa8
SHA512a189c4313c228f8dbf0ce3f18948a8dbdeb656a6eefba72ef401af8c94a84752f1ace0e3d8b425040ea7dc948a2360e308a9e62bf732208602594784c1e153e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3965655d1c587a682c21f46c462c9cd
SHA1297396112495107a68c7ecb6b9c7d246b8f0ba80
SHA256435f18ed3ce17551bddc7688de521e5484e4a6ce24bfca4e6a2f6588e9fec007
SHA512dba0b9a33e45e148831c2fef3c91af0ab30ad601621f025eebb7ab3f6ba75b5cc1dca396048657c7af55805cbf239c39f98a387af0cc3b34321862a492363751
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7fdfe34b2eef14d47ab4c454b6b74ff
SHA19139f365cafffdbd4484fe6b467cc1787265e3d9
SHA256f60844abb648902c0f3ed88078e34a3361bfe0c2654ec1016d4e50bae51857c4
SHA51256a6b9a21de1e48ce827ab64990de0a674237b22ff3fe9e0c8c88ee46c2b9865b0b05aa22b1a3303f35d1aadaefafd8950ff14500343ee226567748cb65249e1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5186624028d96a9f2017c27ccc14343ef
SHA16995b11f187fa5bfcaa7b12f18527799461964a4
SHA256c5e91a7da2d25e90b2292a6769a989949ccad596b55a206c015923e4f445357b
SHA512d818026816e81f17bae8fb68a102febd7fb537223effb99ca00175c88f8d2eab3c6375b03bf15fc746bf784698c2871825cf32fd2492e1262dbf36ec870e1903
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Filesize
9.1MB
MD574ea3528711206c313711f523311365b
SHA14c8246ee00627b5387b7220d4e5a9c84b3caf65f
SHA256d787ebd2a6568778e6715f1cd0f28ef46dd5f2e81ecd67347ab4f667d12605a1
SHA512e34bcdb5b7e8417559204c276dcec1b6c748f6507e0601d643b0bb2132a547064b8d775acbf3e011e2866e911130c718241c19b49cafb0fdbc11560951aa6da3