Analysis
- max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/05/2026, 12:19
General
- Target 2026-05-05_249b1d8b3e64987f242d8d756498a96f_cryptolocker_elex.exe
- Size 77KB
- Sample260505-pg85hsbv9n
- SHA256 e629168e55d7d097d1dc195e14370fb5b269af4b688efe1b4f62e75291d366cc
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
- Custom signatureDetection of Cryptolocker Samples 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\2026-05-05_249b1d8b3e64987f242d8d756498a96f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_249b1d8b3e64987f242d8d756498a96f_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/2308-18-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/2308-24-0x0000000000590000-0x0000000000596000-memory.dmp
memory/2308-25-0x00000000008C0000-0x00000000009E0000-memory.dmp
memory/2308-37-0x00000000008C0000-0x00000000009E0000-memory.dmp
memory/2308-38-0x00000000008C0000-0x00000000009E0000-memory.dmp
memory/4488-0-0x0000000000610000-0x0000000000616000-memory.dmp
memory/4488-1-0x0000000000610000-0x0000000000616000-memory.dmp
memory/4488-2-0x0000000000640000-0x0000000000646000-memory.dmp
memory/4488-16-0x00000000009F0000-0x0000000000B10000-memory.dmp