Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
07/08/2026, 02:20
General
- Target 2026-08-07_9271f3ddcf2629b509e8970f179abc60_cryptolocker_elex.exe
- Size 46KB
- Sample260807-cstsrayygw
- SHA256 3338b2981e822f5fe198945a146944eb9d16cf5328375fc3f687a59ed52b8526
Score
9/10
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).
- 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\2026-08-07_9271f3ddcf2629b509e8970f179abc60_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-07_9271f3ddcf2629b509e8970f179abc60_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/1236-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1236-20-0x0000000002580000-0x0000000002586000-memory.dmp
memory/1236-19-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2628-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/2628-1-0x0000000002D50000-0x0000000002D56000-memory.dmp
memory/2628-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2628-3-0x0000000003000000-0x0000000003006000-memory.dmp