Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
19/04/2026, 03:45
General
- Target 2026-04-19_843f02b756aa1c5de396748716045f78_coinminer_cryptolocker_elex.exe
- Size 43KB
- Sample260419-ea4lcab16j
- SHA256 cf147601f4462bbb59483d1cae03138b3c20c6a73182f68eeb2014f6086af494
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 3 IoCs
- UPX dump on OEP (original entry point) 5 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 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).
- 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\2026-04-19_843f02b756aa1c5de396748716045f78_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-19_843f02b756aa1c5de396748716045f78_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\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
misid.exe
memory/1628-30-0x0000000002BC0000-0x0000000002C23000-memory.dmp
memory/1628-54-0x0000000002BC0000-0x0000000002C23000-memory.dmp
memory/1628-50-0x0000000002BC0000-0x0000000002C23000-memory.dmp
memory/1628-48-0x0000000002BC0000-0x0000000002C23000-memory.dmp
memory/1628-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1628-32-0x0000000002BC0000-0x0000000002C23000-memory.dmp
memory/1628-21-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/1628-27-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/1628-28-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4948-3-0x0000000002080000-0x0000000002086000-memory.dmp
memory/4948-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4948-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4948-2-0x0000000002050000-0x0000000002056000-memory.dmp
memory/4948-1-0x0000000002050000-0x0000000002056000-memory.dmp