Analysis
- max time kernel
148s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
28/07/2026, 23:22
General
- Target 2026-07-28_255b7117ead9ca91b65a0d979041e425_coinminer_cryptolocker_elex.exe
- Size 86KB
- Sample260728-3cyd4syfnc
- SHA256 7c60f39afb8d485ddcce81f783dff503bd58e1c21ea1f96273957dba0325a082
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 4 IoCs
- Custom signatureDetection of Cryptolocker Samples 4 IoCs
- Custom signatureUPX 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.
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_255b7117ead9ca91b65a0d979041e425_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_255b7117ead9ca91b65a0d979041e425_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/1140-23-0x00000000020B0000-0x00000000020B6000-memory.dmp
memory/1140-20-0x0000000002270000-0x0000000002276000-memory.dmp
memory/1140-29-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1308-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1308-1-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/1308-2-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/1308-3-0x00000000021E0000-0x00000000021E6000-memory.dmp
memory/1308-17-0x0000000000500000-0x000000000050F000-memory.dmp