Analysis Overview
SHA256
56f44437618196097836457153108f24370c94cad2f078076e96221797ddff10
Threat Level: Known bad
The file GrabberBuilder.exe was found to be: Known bad.
Malicious Activity Summary
SectopRAT
SectopRAT payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Themida packer
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
System Location Discovery: System Language Discovery
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-06 11:50
Signatures
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-06 11:50
Reported
2024-10-06 11:51
Platform
win11-20240802-en
Max time kernel
31s
Max time network
32s
Command Line
Signatures
SectopRAT
SectopRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31135780" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy\HomepagesUpgradeVersion = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "2787366272" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000_Classes\Local Settings\MuiCache | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe
"C:\Users\Admin\AppData\Local\Temp\GrabberBuilder.exe"
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\SubmitApprove.gif
Network
| Country | Destination | Domain | Proto |
| GB | 51.89.201.41:29254 | tcp | |
| GB | 92.123.128.182:443 | tcp | |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| GB | 92.123.128.176:443 | r.bing.com | tcp |
| US | 20.189.173.27:443 | browser.pipe.aria.microsoft.com | tcp |
| GB | 51.89.201.41:29254 | tcp |
Files
memory/2088-0-0x0000000000400000-0x0000000000D28000-memory.dmp
memory/2088-1-0x0000000076726000-0x0000000076727000-memory.dmp
memory/2088-3-0x0000000076710000-0x0000000076800000-memory.dmp
memory/2088-2-0x0000000076710000-0x0000000076800000-memory.dmp
memory/2088-4-0x0000000076710000-0x0000000076800000-memory.dmp
memory/2088-6-0x0000000000400000-0x0000000000D28000-memory.dmp
memory/2088-7-0x0000000000400000-0x0000000000D28000-memory.dmp
memory/2088-8-0x0000000005440000-0x0000000005A58000-memory.dmp
memory/2088-9-0x0000000003150000-0x0000000003162000-memory.dmp
memory/2088-10-0x0000000003170000-0x00000000031AC000-memory.dmp
memory/2088-11-0x00000000031D0000-0x000000000321C000-memory.dmp
memory/2088-12-0x0000000005B90000-0x0000000005C9A000-memory.dmp
memory/2088-13-0x0000000000400000-0x0000000000D28000-memory.dmp
memory/2088-14-0x0000000076726000-0x0000000076727000-memory.dmp
memory/2088-15-0x0000000076710000-0x0000000076800000-memory.dmp
memory/2088-16-0x0000000076710000-0x0000000076800000-memory.dmp
memory/2088-18-0x0000000076710000-0x0000000076800000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
| MD5 | cd6829f53a60318a54648f4ff9d694c2 |
| SHA1 | eda672c23f219a9cdbe740079412f5fbe04a157d |
| SHA256 | 5410184dfd5ef071de14c78cc7e9488049a85e313a3454250d53e974251ac906 |
| SHA512 | 25a54ac013419868211b704a9b1f4cbc7c0a5b1a0e10cec09cd8eee3fbde7497e36c8e35f0506622eb9a47939c2c6b9590bf9bbf8d43508be13d7f85f7838ec9 |