Analysis
- max time kernel
149s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
15/10/2026, 16:26
General
- Target 2026-10-13_33a6ef9980a259b05df19300d1404a47_coinminer_cryptolocker_elex.exe
- Size 61KB
- Sample261015-txvdhsdc46
- SHA256 575fc8f6de8744d3f3e7053438dc7e170db5b9c183d13defb6b2b0ae807e8a48
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 5 IoCs
- UPX dump on OEP (original entry point) 5 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 5 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.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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\2026-10-13_33a6ef9980a259b05df19300d1404a47_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-13_33a6ef9980a259b05df19300d1404a47_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
- Reads the TCP/IP host and domain name from the 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/1916-16-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1916-23-0x0000000000590000-0x0000000000596000-memory.dmp
memory/1916-21-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/1916-60-0x0000000000500000-0x000000000050F000-memory.dmp
memory/5060-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/5060-1-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/5060-2-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/5060-3-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/5060-19-0x0000000000500000-0x000000000050F000-memory.dmp