Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
20/04/2026, 09:24
General
- Target 2026-04-20_cb31c757d910408f5c57e6b38d464bb6_coinminer_cryptolocker_elex.exe
- Size 43KB
- Sample260420-ldgz3set8k
- SHA256 c6659b22015e44a6ed151b6071ba2b861b203d5e187d9642d243c65e3f04dae1
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 2 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\2026-04-20_cb31c757d910408f5c57e6b38d464bb6_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-20_cb31c757d910408f5c57e6b38d464bb6_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\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
misid.exe
memory/3116-18-0x00000000007F0000-0x0000000000910000-memory.dmp
memory/3116-2-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/3116-3-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/3116-1-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/3116-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3116-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4676-26-0x0000000000610000-0x0000000000616000-memory.dmp
memory/4676-20-0x0000000002200000-0x0000000002206000-memory.dmp
memory/4676-27-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4676-29-0x0000000000840000-0x0000000000960000-memory.dmp
memory/4676-53-0x0000000000840000-0x0000000000960000-memory.dmp
memory/4676-55-0x0000000000840000-0x0000000000960000-memory.dmp