Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
21/03/2025, 19:27
Behavioral task
behavioral1
Sample
2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
Resource
win10v2004-20250314-en
General
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Target
2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
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Size
9.1MB
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MD5
7b47039f00f36085670862083e85add0
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SHA1
ceae93e8e3cdf8e32158e362f54faaf4596c76d0
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SHA256
7bae35b6fa35180dc42458a694ad1fc142b6d970bb4b927999b848aa83e7c9fe
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SHA512
6257a31c1a5c92b9e141e5146537ffecdb90cc4a27d900a031073abe0a24b39b301556102dd551c83f36c8079536b0825842ea74ce285106b49bef3346e7a95a
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SSDEEP
98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6t:sxEvYjVzANihwNm
Malware Config
Signatures
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Glupteba family
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Glupteba payload 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023f8f-129.dat family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 732 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4412 csrss.exe 3740 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Set value (str) \REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\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 2025-03-21_7b47039f00f36085670862083e85add0_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 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe File created C:\Windows\rss\csrss.exe 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe -
pid Process 4592 powershell.exe 4276 powershell.exe 1324 powershell.exe 4584 powershell.exe 4856 powershell.exe 5112 powershell.exe 4976 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 queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \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 2025-03-21_7b47039f00f36085670862083e85add0_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 2025-03-21_7b47039f00f36085670862083e85add0_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 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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-214 = "Pacific Daylight Time (Mexico)" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-2162 = "Altai Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-451 = "Caucasus Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-3051 = "Qyzylorda Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-11 = "Azores Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-342 = "Egypt Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-571 = "China Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.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,-2752 = "Tomsk Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-334 = "Jordan Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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" 2025-03-21_7b47039f00f36085670862083e85add0_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,-2412 = "Marquesas Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-462 = "Afghanistan Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-2041 = "Eastern Daylight Time (Mexico)" 2025-03-21_7b47039f00f36085670862083e85add0_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,-2511 = "Lord Howe Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.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,-292 = "Central European Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-911 = "Mauritius Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-302 = "Romance Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-2452 = "Saint Pierre Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-241 = "Samoa Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-931 = "Coordinated Universal Time" 2025-03-21_7b47039f00f36085670862083e85add0_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\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-72 = "Newfoundland Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-752 = "Tonga Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-2591 = "Tocantins Daylight Time" 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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" 2025-03-21_7b47039f00f36085670862083e85add0_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,-52 = "Greenland Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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,-1822 = "Russia TZ 1 Standard Time" 2025-03-21_7b47039f00f36085670862083e85add0_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 632 schtasks.exe 4312 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1324 powershell.exe 1324 powershell.exe 1364 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 1364 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 4584 powershell.exe 4584 powershell.exe 4584 powershell.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 4856 powershell.exe 4856 powershell.exe 4856 powershell.exe 5112 powershell.exe 5112 powershell.exe 5112 powershell.exe 4976 powershell.exe 4976 powershell.exe 4976 powershell.exe 4592 powershell.exe 4592 powershell.exe 4276 powershell.exe 4276 powershell.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 4412 csrss.exe 4412 csrss.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 4412 csrss.exe 4412 csrss.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe 3740 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 1364 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Token: SeImpersonatePrivilege 1364 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe Token: SeDebugPrivilege 4584 powershell.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 4592 powershell.exe Token: SeDebugPrivilege 4276 powershell.exe Token: SeSystemEnvironmentPrivilege 4412 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1364 wrote to memory of 1324 1364 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 89 PID 1364 wrote to memory of 1324 1364 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 89 PID 1364 wrote to memory of 1324 1364 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 89 PID 2320 wrote to memory of 4584 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 98 PID 2320 wrote to memory of 4584 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 98 PID 2320 wrote to memory of 4584 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 98 PID 2320 wrote to memory of 4668 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 101 PID 2320 wrote to memory of 4668 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 101 PID 4668 wrote to memory of 732 4668 cmd.exe 103 PID 4668 wrote to memory of 732 4668 cmd.exe 103 PID 2320 wrote to memory of 4856 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 104 PID 2320 wrote to memory of 4856 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 104 PID 2320 wrote to memory of 4856 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 104 PID 2320 wrote to memory of 5112 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 106 PID 2320 wrote to memory of 5112 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 106 PID 2320 wrote to memory of 5112 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 106 PID 2320 wrote to memory of 4412 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 109 PID 2320 wrote to memory of 4412 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 109 PID 2320 wrote to memory of 4412 2320 2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe 109 PID 4412 wrote to memory of 4976 4412 csrss.exe 110 PID 4412 wrote to memory of 4976 4412 csrss.exe 110 PID 4412 wrote to memory of 4976 4412 csrss.exe 110 PID 4412 wrote to memory of 4592 4412 csrss.exe 115 PID 4412 wrote to memory of 4592 4412 csrss.exe 115 PID 4412 wrote to memory of 4592 4412 csrss.exe 115 PID 4412 wrote to memory of 4276 4412 csrss.exe 118 PID 4412 wrote to memory of 4276 4412 csrss.exe 118 PID 4412 wrote to memory of 4276 4412 csrss.exe 118 PID 4412 wrote to memory of 3740 4412 csrss.exe 120 PID 4412 wrote to memory of 3740 4412 csrss.exe 120 -
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\2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-21_7b47039f00f36085670862083e85add0_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:1364 -
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:1324
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C:\Users\Admin\AppData\Local\Temp\2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-21_7b47039f00f36085670862083e85add0_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:2320 -
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:4584
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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:4668 -
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:732
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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:4856
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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:5112
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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:4412 -
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:4976
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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:632
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4208
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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:4592
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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:4276
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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:3740
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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:4312
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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
MD503ad34b254bbc091a95162bbdb009923
SHA1613b89f7575ae71ae0a3c4d01e0efea204944276
SHA25612d7a6dddee45163a9b308bd4ceba81e37a863cfabcfa1132487dbb4e6eda750
SHA512f90103b27d450a1f567dcd30fee74fe13c3f3eda5b764b97f82a7dc7cc30d506d06b021c2beb3b37e7d96cd1a003751e11537c35f82d3d4b9b48aa128a2c7c26
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd68f3522b4da76923440ce51718f947
SHA176b59df6924b61a93ed2c1bb44dfaa68ceefc4b2
SHA2567d1043c845b638dc0b217b0c5c66653c9a3c8fc861f3e9574288393d8b0e3b7b
SHA512b8a78805dc648574ed3bbd56c41fc85f6c5e3eeb745237584cefe64566bb771d0715440b051b4a6155c3f4126ca49adc0b075ad22041fc0fe9b7daa001fe11cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5614347b9728c1ff9dc4b0ba885b5b8e4
SHA105530bcd5232f94462da4c78384748dbf74c7954
SHA256c8dfcda5b96186c39ad6ef850b0d4b41c74d096c9125353ca57aba0d6c6205df
SHA512b842954a469f0e5b6897871d1c0a823e1b5d430ebbcd56c63fd2c41a30e9ff0a571a2bf92dc254001741e7693571e6f551814d97a3f78a25244fb0cdbe12688c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52193d1c2eaf525a8b98b6c86b1c16f1d
SHA117d6154ee38744cc30aedd925edaacf9d0fbc8f9
SHA256df2854eb265172ce36985e2b17dc8da8134b191f06b4e43f14eb8b71ab9000d9
SHA51288d38c1866f34e12ae6cd73773d8a73f6b38ffaea0e0adef59fb8f62414f31d04e2dde4ca52b5ccdd5c513ff67709e65be8a5e9ef7a774d38c80a8f65be104a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f19477b20954107597c3eeab3356c3a6
SHA17ec760940118b6d36595aa6f721685b6075b4ea1
SHA2567dca92e3dc366b946fe58c5a297a774b87f828ca743b49fe12e9ab939970bc08
SHA5122122f88a3a1be3842923908fbb145a043362281720ea34bacebfcccd1ef8ceb1e1e12fe968565a416cacbfb3e1389af27bde9aa2a52f1749e8592b09c187590d
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Filesize
9.1MB
MD57b47039f00f36085670862083e85add0
SHA1ceae93e8e3cdf8e32158e362f54faaf4596c76d0
SHA2567bae35b6fa35180dc42458a694ad1fc142b6d970bb4b927999b848aa83e7c9fe
SHA5126257a31c1a5c92b9e141e5146537ffecdb90cc4a27d900a031073abe0a24b39b301556102dd551c83f36c8079536b0825842ea74ce285106b49bef3346e7a95a