Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
28/07/2026, 01:00
General
- Target 2026-07-28_fc019fecdc1298310b0d3dac66a75b92_cryptolocker_elex.exe
- Size 4.6MB
- Sample260728-bctblsvepg
- SHA256 7fb2fd8d515f04e5628fe627e1fc376c3372e1969c7ae11c33078369036a366d
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\2026-07-28_fc019fecdc1298310b0d3dac66a75b92_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_fc019fecdc1298310b0d3dac66a75b92_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/4056-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4056-1-0x0000000002E90000-0x0000000002E96000-memory.dmp
memory/4056-2-0x0000000008000000-0x0000000008022000-memory.dmp
memory/4056-3-0x0000000003140000-0x0000000003146000-memory.dmp
memory/4816-17-0x0000000008000000-0x0000000008022000-memory.dmp
memory/4816-19-0x0000000008000000-0x0000000008022000-memory.dmp
memory/4816-20-0x0000000003000000-0x0000000003006000-memory.dmp