Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/08/2026, 11:42
General
- Target 2026-08-03_5fd39903a96e188148fd7b4d14aeacf3_cryptolocker_elex.exe
- Size 4.6MB
- Sample260804-nvb69sae26
- SHA256 1f9c0a7cb13dbcaea3b0264733f286bad78fb1620d29ecfa2cc14460f36e3984
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detects executables built or packed with MPress PE compressor 1 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\2026-08-03_5fd39903a96e188148fd7b4d14aeacf3_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_5fd39903a96e188148fd7b4d14aeacf3_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/4944-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4944-1-0x0000000002350000-0x0000000002356000-memory.dmp
memory/4944-2-0x0000000008000000-0x0000000008022000-memory.dmp
memory/4944-3-0x0000000003150000-0x0000000003156000-memory.dmp
memory/5012-17-0x0000000008000000-0x0000000008022000-memory.dmp
memory/5012-19-0x0000000000720000-0x0000000000726000-memory.dmp
memory/5012-25-0x0000000008000000-0x0000000008022000-memory.dmp