Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
06/05/2026, 10:43
General
- Target 2026-05-06_4ba7979f406469ecbf698905d7805665_cryptolocker_elex.exe
- Size 41KB
- Sample260506-mscvcabv2n
- SHA256 01276c3155f7c014b5b3425a6f65371865f03412b9c195e56cb5ac9572cf6946
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 5 IoCs
- Custom signatureDetection of Cryptolocker Samples 5 IoCs
- Custom signatureDetects executables built or packed with MPress PE compressor 5 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- 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\2026-05-06_4ba7979f406469ecbf698905d7805665_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-06_4ba7979f406469ecbf698905d7805665_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/4724-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4724-1-0x0000000000504000-0x0000000000505000-memory.dmp
memory/4724-2-0x00000000020A0000-0x00000000020A6000-memory.dmp
memory/4724-3-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4724-4-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/4724-18-0x00000000001D0000-0x00000000001E8000-memory.dmp
memory/4724-19-0x00000000004D0000-0x00000000004F5000-memory.dmp
memory/5372-20-0x0000000000500000-0x0000000000510000-memory.dmp
memory/5372-22-0x0000000000500000-0x0000000000510000-memory.dmp
memory/5372-29-0x00000000001D0000-0x00000000001E8000-memory.dmp
memory/5372-30-0x00000000004D0000-0x00000000004F5000-memory.dmp