Analysis
- max time kernel
898s - max time network
449s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
- submitted
20/10/2026, 18:40
General
- Target PrismLauncher-Windows-MSVC-Setup-9.4.exe
- Size 21.3MB
- Sample261020-xbebysvz6p
- SHA256 15f8c7dc20bc98e803270c21125ac3f8178fbabae7bdf142c5c2f5596802342d
Malware Config
Signatures
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 15 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs
When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Kills process with taskkill 1 IoCs
- Modifies registry class 12 IoCs
- NTFS ADS 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of AdjustPrivilegeToken 12 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\PrismLauncher-Windows-MSVC-Setup-9.4.exe"C:\Users\Admin\AppData\Local\Temp\PrismLauncher-Windows-MSVC-Setup-9.4.exe"1⤵
- Loads dropped DLL
- Subvert Trust Controls: Mark-of-the-Web Bypass
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- NTFS ADS
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\TaskKill.exeTaskKill /IM prismlauncher.exe /F2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Programs\PrismLauncher\vc_redist\vc_redist.x64.exeC:\Users\Admin\AppData\Local\Programs\PrismLauncher\vc_redist\vc_redist.x64.exe /install /passive /norestart2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\Temp\{8952C014-D496-48EF-BE1F-318E861F5CDD}\.cr\vc_redist.x64.exe"C:\Windows\Temp\{8952C014-D496-48EF-BE1F-318E861F5CDD}\.cr\vc_redist.x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Programs\PrismLauncher\vc_redist\vc_redist.x64.exe" -burn.filehandle.attached=748 -burn.filehandle.self=756 /install /passive /norestart3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\Temp\{59AE178A-E75A-4C8F-9312-D7D12E441BF0}\.be\VC_redist.x64.exe"C:\Windows\Temp\{59AE178A-E75A-4C8F-9312-D7D12E441BF0}\.be\VC_redist.x64.exe" -q -burn.elevated BurnPipe.{CB2E3282-D3FE-4D63-B3F0-05A674E5EDED} {74FBA600-1130-4606-AAF6-5329D4673520} 48764⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
-
C:\Users\Admin\AppData\Local\Programs\PrismLauncher\prismlauncher.exe"C:\Users\Admin\AppData\Local\Programs\PrismLauncher\prismlauncher.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: AddClipboardFormatListener
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:21⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Qt6Core.dll
Qt6Core5Compat.dll
Qt6Gui.dll
Qt6Network.dll
Qt6NetworkAuth.dll
Qt6Widgets.dll
Qt6Xml.dll
qdirect2d.dll
qwindows.dll
prismlauncher.exe
qt.conf
qtlogging.ini
qmodernwindowsstyle.dll
vc_redist.x64.exe
NScurl.dll
System.dll
modern-wizard.bmp
nsDialogs.dll
nsExec.dll
logo.png
wixstdba.dll
vc_redist.x64.exe
memory/4080-84-0x0000000072FE0000-0x00000000735F0000-memory.dmp
memory/4080-148-0x0000000072FE0000-0x00000000735F0000-memory.dmp
memory/4896-186-0x000001CC6C660000-0x000001CC6CF40000-memory.dmp
memory/4896-171-0x00007FFEB9DF0000-0x00007FFEBA426000-memory.dmp
memory/4896-172-0x00007FF7A8290000-0x00007FF7A8CB5000-memory.dmp