Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 03:48
General
- Target 2026-08-20_4a21351c50ba5180c69010c847930ad2_coinminer_cryptolocker_elex.exe
- Size 46KB
- Sample260820-ecyswassdw
- SHA256 b95447e46ec92dcfe84983e05deffeb58771e3cdcce4fd5ea467cc971bf2a573
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- UPX dump on OEP (original entry point) 5 IoCs
- Executes dropped EXE 1 IoCs
- UPX packed file 5 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\2026-08-20_4a21351c50ba5180c69010c847930ad2_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_4a21351c50ba5180c69010c847930ad2_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/4380-19-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4380-21-0x0000000002290000-0x0000000002296000-memory.dmp
memory/4380-27-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4836-0-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4836-1-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4836-2-0x0000000002290000-0x0000000002296000-memory.dmp
memory/4836-3-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4836-4-0x00000000022C0000-0x00000000022C6000-memory.dmp