Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
22/05/2026, 15:35
General
- Target 2026-05-22_1053c20c1ed1bf050efd70778814b8e5_coinminer_cryptolocker_elex.exe
- Size 68KB
- Sample260522-s1ea2aat3w
- SHA256 f465da50fd4e4be0ba1964fa2098aa20fa7c3f36ccb5922fa9a358ab57fe2e93
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 5 IoCs
- Custom signatureDetection of Cryptolocker Samples 5 IoCs
- Custom signatureUPX dump on OEP (original entry point) 5 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 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\2026-05-22_1053c20c1ed1bf050efd70778814b8e5_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-22_1053c20c1ed1bf050efd70778814b8e5_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/1100-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1100-20-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1100-21-0x0000000000850000-0x0000000000856000-memory.dmp
memory/4588-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4588-1-0x0000000000504000-0x0000000000505000-memory.dmp
memory/4588-2-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/4588-3-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4588-4-0x0000000002060000-0x0000000002066000-memory.dmp