Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
21/04/2026, 16:49
General
- Target 2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe
- Size 63KB
- Sample260421-vb1tvads2t
- SHA256 907753ca02271c77d70f0fe9c90cb3d1308aff1c1faf86665736799ed0107f13
Malware Config
Signatures
- Detection of CryptoLocker Variants 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\2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
misid.exe
memory/1476-0-0x00000000004D0000-0x00000000004D3000-memory.dmp
memory/1476-1-0x0000000000590000-0x0000000000596000-memory.dmp
memory/1476-2-0x0000000000590000-0x0000000000596000-memory.dmp
memory/1476-4-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/1476-17-0x00000000004D0000-0x00000000004D3000-memory.dmp
memory/4768-20-0x0000000000630000-0x0000000000636000-memory.dmp
memory/4768-19-0x0000000000610000-0x0000000000616000-memory.dmp
memory/4768-26-0x00000000022A0000-0x0000000002303000-memory.dmp
memory/4768-27-0x00000000022A0000-0x0000000002303000-memory.dmp
memory/4768-29-0x00000000022A0000-0x0000000002303000-memory.dmp