Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/05/2026, 08:28
General
- Target 2026-05-05_2661f25a3b69c46d898921e5effa1d78_coinminer_cryptolocker_elex.exe
- Size 66KB
- Sample260505-kdc6fsbv2v
- SHA256 d5849210b297c6189716f5f9de5e819d19957f58073a911aef90bc7e783f7a13
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
- 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\2026-05-05_2661f25a3b69c46d898921e5effa1d78_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_2661f25a3b69c46d898921e5effa1d78_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/4488-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4488-1-0x0000000000630000-0x0000000000636000-memory.dmp
memory/4488-2-0x0000000000630000-0x0000000000636000-memory.dmp
memory/4488-3-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4488-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4488-18-0x0000000000590000-0x0000000000626000-memory.dmp
memory/4520-26-0x0000000000650000-0x0000000000656000-memory.dmp
memory/4520-20-0x0000000001F60000-0x0000000001F66000-memory.dmp
memory/4520-33-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4520-35-0x00000000020D0000-0x0000000002166000-memory.dmp
memory/4520-53-0x00000000020D0000-0x0000000002166000-memory.dmp