Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 14:34

General

  • Target
    2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe
  • Size 42KB
  • Sample260415-rxea7acs4y
  • SHA256 f0ded299ed349320febb4a8534cc099d1898157b74315c091284b4f2255e4c90
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 2 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5520
    • 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
      PID:5196

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 42KB
        • SHA256 c54a4fe7ac6b39ef313624fd3294f9357a54dd9b03e4a12f6c8f99a88cf897cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5196-27-0x0000000000770000-0x0000000000776000-memory.dmp

        memory/5196-21-0x0000000002070000-0x0000000002076000-memory.dmp

        memory/5196-28-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/5196-30-0x0000000002190000-0x000000000220C000-memory.dmp

        memory/5196-54-0x0000000002190000-0x000000000220C000-memory.dmp

        memory/5520-0-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/5520-1-0x0000000002150000-0x0000000002156000-memory.dmp

        memory/5520-2-0x0000000002150000-0x0000000002156000-memory.dmp

        memory/5520-4-0x0000000002180000-0x0000000002186000-memory.dmp

        memory/5520-18-0x0000000002C00000-0x0000000002C7C000-memory.dmp

        memory/5520-19-0x0000000000500000-0x0000000000510000-memory.dmp