Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
03/10/2026, 18:44
General
- Target 2026-10-01_e554bda6f7b5cac86c63994895811500_cryptolocker_elex.exe
- Size 1.0MB
- Sample261003-xdmfcavejc
- SHA256 3ce89a204cf9811e7cef4ba6015f5ddd12065ac401f0084df8bd69d8cd3e1857
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).
- 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\2026-10-01_e554bda6f7b5cac86c63994895811500_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-01_e554bda6f7b5cac86c63994895811500_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
- 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
Loading Replay Monitor...
Downloads
hasfj.exe
memory/928-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/928-1-0x0000000002210000-0x0000000002216000-memory.dmp
memory/928-2-0x0000000008000000-0x0000000008022000-memory.dmp
memory/928-3-0x0000000003140000-0x0000000003146000-memory.dmp
memory/4468-17-0x0000000008000000-0x0000000008022000-memory.dmp
memory/4468-19-0x0000000002580000-0x0000000002586000-memory.dmp
memory/4468-25-0x0000000008000000-0x0000000008022000-memory.dmp