Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/08/2026, 21:10
General
- Target _28464Valid-9157341072_ECJOSXInstZGQB.vbs
- Size 4.4MB
- Sample260804-zz4mvsha64
- SHA256 a1e5ce2db11d6a6b14026b20660743950ae34ef5ded597e501918dafaf068b10
Score
9/10
Malware Config
Signatures
- Enumerates VirtualBox registry keys 2 TTPs 2 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_28464Valid-9157341072_ECJOSXInstZGQB.vbs"1⤵
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
-
C:\Users\Public\PPX1pr8uPxfoY8j$4_.exe"C:\Users\Public\PPX1pr8uPxfoY8j$4_.exe"2⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
PPX1pr8uPxfoY8j$4_.zip
memory/2296-33-0x0000000000380000-0x0000000005BB8000-memory.dmp
memory/2296-36-0x0000000000380000-0x0000000005BB8000-memory.dmp
memory/2296-38-0x0000000000380000-0x0000000005BB8000-memory.dmp
memory/2296-40-0x0000000000380000-0x0000000005BB8000-memory.dmp
memory/2296-42-0x0000000000380000-0x0000000005BB8000-memory.dmp
memory/2296-43-0x0000000000380000-0x0000000005BB8000-memory.dmp