Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/08/2026, 23:42
General
- Target 2026-08-10_9313ed145485e3e85eaa1722e58d2a42_coinminer_cryptolocker_elex.exe
- Size 86KB
- Sample260810-3p11rsbc47
- SHA256 a36e92236e0784b73b38d86e100ebc79dce4c1427f04d16e27d669c9f2426ecd
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 2 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\2026-08-10_9313ed145485e3e85eaa1722e58d2a42_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_9313ed145485e3e85eaa1722e58d2a42_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⤵
- Checks computer location settings
- 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/844-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/844-1-0x0000000000690000-0x0000000000696000-memory.dmp
memory/844-2-0x0000000000690000-0x0000000000696000-memory.dmp
memory/844-3-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/844-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4848-20-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/4848-34-0x0000000000500000-0x000000000050F000-memory.dmp