Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
21/08/2026, 03:59
General
- Target 2026-08-21_bebbcb21e8ca2473bec43a3f8d5e332d_coinminer_cryptolocker_elex.exe
- Size 50KB
- Sample260821-ej63tssdlf
- SHA256 3b11ad1c593caac14a413c0fc4caed2dd18026e39000e4406049726e633db2c1
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 IoCs
- UPX 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.
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-21_bebbcb21e8ca2473bec43a3f8d5e332d_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_bebbcb21e8ca2473bec43a3f8d5e332d_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
- Modifies system certificate store
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
asih.exe
memory/364-21-0x0000000002160000-0x0000000002166000-memory.dmp
memory/364-27-0x0000000002130000-0x0000000002136000-memory.dmp
memory/364-28-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3448-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3448-1-0x0000000002240000-0x0000000002246000-memory.dmp
memory/3448-2-0x0000000002240000-0x0000000002246000-memory.dmp
memory/3448-3-0x0000000002260000-0x0000000002266000-memory.dmp
memory/3448-18-0x0000000000500000-0x000000000050F000-memory.dmp