Analysis
- max time kernel
149s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/05/2026, 08:28
General
- Target 2026-05-05_2661f25a3b69c46d898921e5effa1d78_coinminer_cryptolocker_elex.exe
- Size 66KB
- Sample260505-kdc6fsbv2v
- SHA256 d5849210b297c6189716f5f9de5e819d19957f58073a911aef90bc7e783f7a13
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 4 IoCs
- Custom signatureDetection of Cryptolocker Samples 4 IoCs
- Custom signatureUPX dump on OEP (original entry point) 4 IoCs
- 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).
- 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_2661f25a3b69c46d898921e5effa1d78_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_2661f25a3b69c46d898921e5effa1d78_coinminer_cryptolocker_elex.exe"1⤵
- 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
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
asih.exe
memory/2500-18-0x0000000002BC0000-0x0000000002C3C000-memory.dmp
memory/2500-2-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/2500-3-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/2500-1-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/2500-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4132-20-0x0000000000670000-0x0000000000676000-memory.dmp
memory/4132-21-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/4132-29-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4132-31-0x00000000021E0000-0x000000000225C000-memory.dmp
memory/4132-50-0x00000000021E0000-0x000000000225C000-memory.dmp
memory/4132-51-0x00000000036D0000-0x000000000381D000-memory.dmp