Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
22/04/2026, 16:06
General
- Target 2026-04-22_a5dc933f2b5a7aa76076d0d15a95152e_coinminer_cryptolocker_elex.exe
- Size 33KB
- Sample260422-tkb2eaaz5m
- SHA256 e0745ce48105db8794d6651cc9e39617994c2a5e4bf4dc34bee5e27d88ec3357
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\2026-04-22_a5dc933f2b5a7aa76076d0d15a95152e_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_a5dc933f2b5a7aa76076d0d15a95152e_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/536-20-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/536-21-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/536-27-0x0000000000500000-0x0000000000510000-memory.dmp
memory/536-29-0x0000000002280000-0x0000000002833000-memory.dmp
memory/4484-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4484-1-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4484-2-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4484-3-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/4484-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4484-18-0x00000000022E0000-0x0000000002893000-memory.dmp