Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
31/07/2026, 08:59
General
- Target 2026-07-31_c70fc671dc1e2b2552ca871aa139ba09_coinminer_cryptolocker_elex.exe
- Size 26KB
- Sample260731-kxt83syfkc
- SHA256 52d7bd85394726e15ab20c90429bf0c3c599fba19dc5e7ee036f29c9c60c6e3a
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- 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\2026-07-31_c70fc671dc1e2b2552ca871aa139ba09_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_c70fc671dc1e2b2552ca871aa139ba09_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/1540-21-0x0000000002260000-0x0000000002266000-memory.dmp
memory/1540-22-0x00000000022A0000-0x00000000022A6000-memory.dmp
memory/1540-28-0x0000000008000000-0x000000000800E000-memory.dmp
memory/5672-0-0x0000000008000000-0x000000000800E000-memory.dmp
memory/5672-1-0x00000000022C0000-0x00000000022C6000-memory.dmp
memory/5672-2-0x00000000022C0000-0x00000000022C6000-memory.dmp
memory/5672-3-0x0000000002400000-0x0000000002406000-memory.dmp
memory/5672-19-0x0000000008000000-0x000000000800E000-memory.dmp