Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 23:25
General
- Target 2026-08-20_c2a92c34a85609294225bf39f17cb791_coinminer_elex_wannacry.exe
- Size 377KB
- Sample260820-3ed39agc67
- SHA256 c893a37995c4876f37f0544910e5f5b7d3e47ea5a09b533c36fc6a1b8baff6fc
Score
10/10
Malware Config
Signatures
- Family: Cosmu
Cosmu is a Windows worm written in C++.
- Detects Cosmu payload 2 IoCs
Cosmu is a worm written in C++.
- UPX dump on OEP (original entry point) 2 IoCs
- Executes dropped EXE 1 IoCs
- Drops file in System32 directory 2 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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\2026-08-20_c2a92c34a85609294225bf39f17cb791_coinminer_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_c2a92c34a85609294225bf39f17cb791_coinminer_elex_wannacry.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\_AcroBroker.exe"_AcroBroker.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
_AcroBroker.exe
memory/5692-0-0x0000000000400000-0x000000000040B000-memory.dmp
memory/5692-10-0x0000000000400000-0x000000000040B000-memory.dmp