Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
03/08/2026, 09:10
General
- Target 2026-08-03_72c85809ef7608ee55b8961c68e929f0_coinminer_cryptolocker_elex.exe
- Size 36KB
- Sample260803-k49x4sfl21
- SHA256 eef515c9c56946ededa5465a8a5fa23add873cd321cadc9d705f7e25b3896e25
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- UPX dump on OEP (original entry point) 4 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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\2026-08-03_72c85809ef7608ee55b8961c68e929f0_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_72c85809ef7608ee55b8961c68e929f0_coinminer_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
lossy.exe
memory/3920-20-0x0000000002030000-0x0000000002036000-memory.dmp
memory/3920-21-0x0000000002050000-0x0000000002056000-memory.dmp
memory/3920-27-0x0000000008000000-0x000000000800E000-memory.dmp
memory/4448-0-0x0000000008000000-0x000000000800E000-memory.dmp
memory/4448-1-0x0000000002040000-0x0000000002046000-memory.dmp
memory/4448-2-0x0000000002040000-0x0000000002046000-memory.dmp
memory/4448-3-0x0000000002060000-0x0000000002066000-memory.dmp
memory/4448-18-0x0000000008000000-0x000000000800E000-memory.dmp