Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/08/2026, 11:34
General
- Target 2026-08-03_6810a01b5bebc44f698d6450ac770134_coinminer_cryptolocker_elex.exe
- Size 49KB
- Sample260804-npnywadn71
- SHA256 1ff156df962b1d4b5cc2faf655ac52814ae2a1e9e5a3159bbc774d47e290afa2
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 IoCs
- UPX dump on OEP (original entry point) 4 IoCs
- Checks computer location settings 2 TTPs 2 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_6810a01b5bebc44f698d6450ac770134_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_6810a01b5bebc44f698d6450ac770134_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\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
asih.exe
memory/3432-20-0x0000000000690000-0x0000000000696000-memory.dmp
memory/3432-19-0x0000000000660000-0x0000000000666000-memory.dmp
memory/3432-26-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4408-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4408-1-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/4408-2-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/4408-3-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/4408-17-0x0000000000500000-0x000000000050F000-memory.dmp