Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
31/07/2026, 05:29
General
- Target 2026-07-31_a3f100429f78db5f38349860320687fa_cryptolocker_elex.exe
- Size 45KB
- Sample260731-f64fwsdd67
- SHA256 d5cfc3d0b0112ff09e1985b3c1180632f133f77d33e40c426ae90b45ead1269a
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\2026-07-31_a3f100429f78db5f38349860320687fa_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_a3f100429f78db5f38349860320687fa_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/3416-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/3416-1-0x0000000002280000-0x0000000002286000-memory.dmp
memory/3416-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3416-3-0x0000000002300000-0x0000000002306000-memory.dmp
memory/4788-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4788-20-0x00000000037F0000-0x00000000037F6000-memory.dmp
memory/4788-26-0x0000000008000000-0x000000000800A000-memory.dmp