Analysis
- max time kernel
150s - max time network
154s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
19/04/2026, 04:38
General
- Target 2026-04-19_663ec27d80e9dd94c26b34aafdd971c7_cryptolocker_elex.exe
- Size 47KB
- Sample260419-e9lvkscv8p
- SHA256 fe160e7d177c94a9bddb871ed1a258dfda5fcd013c91fec01f61f29294c1e90d
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- 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\2026-04-19_663ec27d80e9dd94c26b34aafdd971c7_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-19_663ec27d80e9dd94c26b34aafdd971c7_cryptolocker_elex.exe"1⤵
- 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
Loading Replay Monitor...
Downloads
hasfj.exe
memory/3808-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3808-21-0x0000000002F40000-0x0000000002F46000-memory.dmp
memory/3808-20-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3808-27-0x0000000002140000-0x0000000002202000-memory.dmp
memory/3808-39-0x0000000002140000-0x0000000002202000-memory.dmp
memory/3808-40-0x0000000002140000-0x0000000002202000-memory.dmp
memory/4036-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4036-1-0x0000000002240000-0x0000000002246000-memory.dmp
memory/4036-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4036-3-0x0000000002280000-0x0000000002286000-memory.dmp
memory/4036-17-0x0000000002110000-0x00000000021D2000-memory.dmp