Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/05/2026, 07:35
General
- Target 2026-05-05_3c05cc9693a05ca667dca78fe235282d_coinminer_cryptolocker_elex.exe
- Size 67KB
- Sample260505-jer6bsev7m
- SHA256 a57bd0a9bafd3f882c58838c3faef60dba99093926da227e9f72bff0d9f1b0f3
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 5 IoCs
- UPX dump on OEP (original entry point) 5 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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\2026-05-05_3c05cc9693a05ca667dca78fe235282d_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_3c05cc9693a05ca667dca78fe235282d_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⤵
- 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/904-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/904-1-0x0000000000504000-0x0000000000505000-memory.dmp
memory/904-2-0x0000000000550000-0x0000000000556000-memory.dmp
memory/904-3-0x0000000000500000-0x0000000000510000-memory.dmp
memory/904-4-0x0000000000570000-0x0000000000576000-memory.dmp
memory/904-18-0x00000000023A0000-0x00000000023DB000-memory.dmp
memory/3380-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3380-21-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3380-22-0x00000000005B0000-0x00000000005B6000-memory.dmp