Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
09/05/2026, 09:28
General
- Target 2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe
- Size 57KB
- Sample260509-lfe89sd12s
- SHA256 191877b435938120595bcced7e063d35007b1312befe76feddb6ff98ad0b25f3
Score
9/10
Malware Config
Signatures
- Custom signatureDetects executables built or packed with MPress PE compressor 4 IoCs
- Executes dropped EXE 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 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\2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\btkba.exe"C:\Users\Admin\AppData\Local\Temp\btkba.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
btkba.exe
memory/1104-14-0x00000000021E0000-0x0000000002244000-memory.dmp
memory/1104-15-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4864-0-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4864-13-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4864-12-0x00000000022D0000-0x0000000002334000-memory.dmp