Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
29/07/2026, 22:43
General
- Target 2026-07-29_5230e6d159bb8a56382314a0bd2f0456_cryptolocker_elex.exe
- Size 45KB
- Sample260729-2nkfysxtbt
- SHA256 e1cb7804c4761617841f28a844e9a4c3f619a5024ba32b6f3d62ec7aa94028ba
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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
- 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\2026-07-29_5230e6d159bb8a56382314a0bd2f0456_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-29_5230e6d159bb8a56382314a0bd2f0456_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/1104-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1104-19-0x0000000003000000-0x0000000003006000-memory.dmp
memory/1104-25-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3788-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/3788-1-0x0000000002200000-0x0000000002206000-memory.dmp
memory/3788-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3788-3-0x00000000022B0000-0x00000000022B6000-memory.dmp