Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
14/10/2026, 13:08
General
- Target jaffacakes118_Worm.Win32.VBNA.b.exe
- Size 196KB
- Sample261014-qde8psdv7v
- SHA256 0294066657a09bdb419d6702168289115003691d4c64faf651b1f0a6f5e6618b
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 2 IoCs
- 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies data under HKEY_USERS 2 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.VBNA.b.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.VBNA.b.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\ashadowit.exeC:\Windows\ashadowit.exe 12⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\ashadowit.exeASHADOWIT.EXE1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
ashadowit.exe
memory/1196-0-0x0000000000400000-0x0000000000433000-memory.dmp
memory/1196-13-0x0000000000400000-0x0000000000433000-memory.dmp
memory/3224-17-0x0000000000400000-0x0000000000433000-memory.dmp
memory/4140-18-0x0000000000400000-0x0000000000433000-memory.dmp