Analysis
- max time kernel
150s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
18/04/2026, 07:39
General
- Target 2026-04-18_6ff6a06167a639ee3680bd6733cc8fec_cryptolocker_elex.exe
- Size 44KB
- Sample260418-jg31lsax21
- SHA256 f906eaa44dfc5040526a0e11879ac2289b5c2afa562ea7ad8cdbd3da70a36eba
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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\2026-04-18_6ff6a06167a639ee3680bd6733cc8fec_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-18_6ff6a06167a639ee3680bd6733cc8fec_cryptolocker_elex.exe"1⤵
- 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
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 8002⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3048 -ip 30481⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/3048-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/3048-1-0x00000000022F0000-0x00000000022F6000-memory.dmp
memory/3048-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3048-4-0x0000000002320000-0x0000000002326000-memory.dmp
memory/3048-26-0x0000000002EB0000-0x0000000002FFD000-memory.dmp
memory/3160-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3160-20-0x0000000002FC0000-0x0000000002FC6000-memory.dmp
memory/3160-19-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3160-27-0x0000000002E50000-0x0000000002F9D000-memory.dmp
memory/3160-39-0x0000000002E50000-0x0000000002F9D000-memory.dmp