Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
16/08/2026, 10:33
General
- Target 2026-08-16_863e10052baae3d061cdd3275210731b_coinminer_cryptolocker_elex.exe
- Size 66KB
- Sample260816-ml19cswalg
- SHA256 25330645e98666777e6ab4b3384b3a09b12d27be4bee36f4894cec69ec53dace
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 IoCs
- UPX dump on OEP (original entry point) 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
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies trusted root certificate store through registry 1 TTPs 2 IoCs
A root certificate was added, modified, or removed in the trusted certificate store registry paths.
- 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.
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-16_863e10052baae3d061cdd3275210731b_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-16_863e10052baae3d061cdd3275210731b_coinminer_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- Modifies trusted root certificate store through registry
- System Location Discovery: System Language Discovery
- Modifies system certificate store
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
asih.exe
memory/1140-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1140-1-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/1140-2-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/1140-3-0x0000000002060000-0x0000000002066000-memory.dmp
memory/1140-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3356-19-0x0000000000590000-0x0000000000596000-memory.dmp
memory/3356-20-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/3356-26-0x0000000000500000-0x000000000050F000-memory.dmp