Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
24/07/2026, 08:51
General
- Target 2026-07-24_cf4f0c678bf104715e64bd51ed3ee804_coinminer_cryptolocker_elex.exe
- Size 71KB
- Sample260724-kseylavyft
- SHA256 7e992f2c696bbd07611125156edccf86da859524638c5d2c597cd76eec145acc
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 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.
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-24_cf4f0c678bf104715e64bd51ed3ee804_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-24_cf4f0c678bf104715e64bd51ed3ee804_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies system certificate store
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
asih.exe
memory/616-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/616-1-0x0000000000504000-0x0000000000505000-memory.dmp
memory/616-2-0x00000000021B0000-0x00000000021B6000-memory.dmp
memory/616-3-0x0000000000500000-0x0000000000510000-memory.dmp
memory/616-4-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/4676-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4676-27-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4676-21-0x0000000002160000-0x0000000002166000-memory.dmp