Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
20/08/2026, 15:58
General
- Target 2026-08-20_1630ef2b4842683801eb882497971d69_cryptolocker_elex.exe
- Size 35KB
- Sample260820-teha8styas
- SHA256 e1d97661f99353ae191a0a8a1bd7a3716254cddf0f496865e54d19fd9d5e01db
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\2026-08-20_1630ef2b4842683801eb882497971d69_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_1630ef2b4842683801eb882497971d69_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/4492-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4492-1-0x0000000000740000-0x0000000000746000-memory.dmp
memory/4492-2-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4492-3-0x00000000022C0000-0x00000000022C6000-memory.dmp
memory/4556-17-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4556-25-0x0000000008000000-0x0000000008009000-memory.dmp