Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/11/2026, 10:59
General
- Target 2026-11-01_b59897929211540847ed17fe66a6dd08_cryptolocker_elex.exe
- Size 47KB
- Sample261102-m3twlsbt5p
- SHA256 1c2b3d5a127a81b95c762c1eab3f931271aee6c1ff615898761ff235c4185486
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).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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\2026-11-01_b59897929211540847ed17fe66a6dd08_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_b59897929211540847ed17fe66a6dd08_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
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/124-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/124-20-0x0000000008000000-0x000000000800A000-memory.dmp
memory/124-21-0x0000000002290000-0x0000000002296000-memory.dmp
memory/2488-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/2488-1-0x00000000021F0000-0x00000000021F6000-memory.dmp
memory/2488-3-0x0000000002220000-0x0000000002226000-memory.dmp
memory/2488-2-0x0000000008000000-0x000000000800A000-memory.dmp