Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
25/08/2026, 05:00
General
- Target 2026-08-24_a840973da4028c64c52f848519627f8e_cryptolocker_elex.exe
- Size 30KB
- Sample260825-fnfxwaem21
- SHA256 a2561de108a03278e221edd61a5c4e171629c7d9132e0957bb6b194657d22140
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 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).
- 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\2026-08-24_a840973da4028c64c52f848519627f8e_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_a840973da4028c64c52f848519627f8e_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
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/996-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/996-1-0x0000000002090000-0x0000000002096000-memory.dmp
memory/996-2-0x0000000008000000-0x0000000008009000-memory.dmp
memory/996-3-0x0000000003010000-0x0000000003016000-memory.dmp
memory/996-18-0x0000000008000000-0x0000000008009000-memory.dmp
memory/1524-17-0x0000000008000000-0x0000000008009000-memory.dmp
memory/1524-26-0x0000000008000000-0x0000000008009000-memory.dmp
memory/1524-20-0x0000000002090000-0x0000000002096000-memory.dmp
memory/1524-27-0x0000000008000000-0x0000000008009000-memory.dmp
memory/1524-28-0x0000000008000000-0x0000000008009000-memory.dmp