Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
07/09/2026, 04:35
General
- Target 2026-09-06_3fe1d96927de32cf345d7b59835a3355_cryptolocker_elex.exe
- Size 35KB
- Sample260907-e724sacn6t
- SHA256 e35437c2764aa2d1becbd60225f4d347660174e6bd40c23f56e361bd42b00eb0
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 6 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\2026-09-06_3fe1d96927de32cf345d7b59835a3355_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-06_3fe1d96927de32cf345d7b59835a3355_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/1300-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1300-1-0x0000000008004000-0x0000000008005000-memory.dmp
memory/1300-2-0x0000000002120000-0x0000000002126000-memory.dmp
memory/1300-3-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1300-4-0x0000000003010000-0x0000000003016000-memory.dmp
memory/5004-19-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5004-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5004-21-0x0000000002240000-0x0000000002246000-memory.dmp
memory/5004-27-0x0000000008000000-0x000000000800A000-memory.dmp