Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
04/05/2026, 09:27
General
- Target 2026-05-04_18b368b7d946e6db1477df23811f253d_coinminer_cryptolocker_elex.exe
- Size 67KB
- Sample260504-le461aa16j
- SHA256 b166f143a610def941437241e623e15b630f0766abbefa4d5469d45bb1c18f67
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 1 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\2026-05-04_18b368b7d946e6db1477df23811f253d_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_18b368b7d946e6db1477df23811f253d_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/1760-21-0x0000000002150000-0x0000000002156000-memory.dmp
memory/1760-22-0x0000000002170000-0x0000000002176000-memory.dmp
memory/1760-28-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1760-30-0x0000000002050000-0x00000000020C5000-memory.dmp
memory/5684-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/5684-1-0x0000000002250000-0x0000000002256000-memory.dmp
memory/5684-2-0x0000000002250000-0x0000000002256000-memory.dmp
memory/5684-3-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/5684-19-0x0000000000500000-0x000000000050F000-memory.dmp
memory/5684-18-0x0000000002040000-0x00000000020B5000-memory.dmp