Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
28/08/2026, 05:56
General
- Target 2026-08-28_f709d3168a11794524be5a212d02e924_elex_upatre_wannacry.exe
- Size 25KB
- Sample260828-gm8f6stdkf
- SHA256 eb9dff4f35445b5954b2697440448b3c97900e5675a58fd94864ed106869200a
Score
9/10
Malware Config
Signatures
- UPX 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\2026-08-28_f709d3168a11794524be5a212d02e924_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-28_f709d3168a11794524be5a212d02e924_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/4936-0-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4936-1-0x0000000000403000-0x0000000000404000-memory.dmp
memory/4936-11-0x0000000000400000-0x000000000040C000-memory.dmp
memory/5164-12-0x0000000000400000-0x000000000040C000-memory.dmp