Analysis
- max time kernel
150s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
04/05/2026, 04:14
General
- Target 2026-05-04_9692cf2822e67511792cc797ac88bea1_cryptolocker_elex.exe
- Size 49KB
- Sample260504-etscesfz2k
- SHA256 8458d521068e619b6a4e03f899a86782b1776457601918b5aaab7dac590d8b08
Score
9/10
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\2026-05-04_9692cf2822e67511792cc797ac88bea1_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_9692cf2822e67511792cc797ac88bea1_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
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Downloads
hasfj.exe
memory/4220-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4220-1-0x00000000022F0000-0x00000000022F6000-memory.dmp
memory/4220-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4220-3-0x0000000002320000-0x0000000002326000-memory.dmp
memory/5036-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5036-19-0x0000000002220000-0x0000000002226000-memory.dmp
memory/5036-25-0x0000000008000000-0x000000000800A000-memory.dmp