Analysis
- max time kernel
134s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
06/08/2026, 18:25
General
- Target msedge.exe
- Size 1.1MB
- Sample260806-w2nsmsgp2v
- SHA256 2b2cf3626f4d79fa2b10001f024b86677c63e2381f0923331924d26b1ee676ba
Malware Config
Signatures
- Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
- Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- AutoIT Executable 16 IoCs
AutoIT scripts compiled to PE executables.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- UPX packed file 19 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- NTFS ADS 3 IoCs
- Runs .reg file with regedit 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\msedge.exe"C:\Users\Admin\AppData\Local\Temp\msedge.exe"1⤵
- Creates a file in the Startup directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regedit.exe"regedit.exe" "C:\Users\Admin\AppData\Local\Temp\GBUWXP.reg"2⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Modifies Windows Defender Real-time Protection settings
- System Location Discovery: System Language Discovery
- Runs .reg file with regedit
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /tn YWRRFR.exe /tr C:\Users\Admin\AppData\Roaming\Windata\Microsoft Edge.exe /sc minute /mo 12⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn YWRRFR.exe /tr C:\Users\Admin\AppData\Roaming\Windata\Microsoft Edge.exe /sc minute /mo 13⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SysWOW64\WSCript.exeWSCript C:\Users\Admin\AppData\Local\Temp\YWRRFR.vbs2⤵
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
-
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C:\Users\Admin\AppData\Roaming\Windata\Microsoft Edge.exe"C:\Users\Admin\AppData\Roaming\Windata\Microsoft Edge.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
GBUWXP.reg
YWRRFR.vbs
Microsoft Edge.exe
memory/936-31-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-28-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-36-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-21-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-22-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-23-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-24-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-25-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-26-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-35-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-29-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-30-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-0-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-32-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-33-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/936-34-0x0000000000250000-0x00000000004A4000-memory.dmp
memory/5996-17-0x0000000000BA0000-0x0000000000DF4000-memory.dmp
memory/5996-19-0x0000000000BA0000-0x0000000000DF4000-memory.dmp