Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
12/08/2026, 03:45
General
- Target 2026-08-12_28de1df437f27c79fd7e9b6f51d1b321_elex_upatre_wannacry.exe
- Size 24KB
- Sample260812-ea935ayaja
- SHA256 dc23464184413b05be9fc551fd3fe4d6df7599e468729758dd2a97fd6c1a3291
Score
9/10
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 4 IoCs
- Executes dropped EXE 1 IoCs
- UPX packed file 4 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).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-12_28de1df437f27c79fd7e9b6f51d1b321_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-12_28de1df437f27c79fd7e9b6f51d1b321_elex_upatre_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\wujek.exe"C:\Users\Admin\AppData\Local\Temp\wujek.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
wujek.exe
memory/1288-12-0x0000000000400000-0x000000000040C000-memory.dmp
memory/5024-0-0x0000000000400000-0x000000000040C000-memory.dmp
memory/5024-1-0x0000000000403000-0x0000000000404000-memory.dmp
memory/5024-11-0x0000000000400000-0x000000000040C000-memory.dmp