Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 11:32

General

  • Target
    2026-07-20_88d3891f571620b2a5ab319f84bc3414_coinminer_cryptolocker_elex.exe
  • Size 49KB
  • Sample260720-nnad4aay4v
  • SHA256 04b7c31871d294b687245283955df65c2ab8983d0cf52ea603b2a12b073c85f8
  • MD5 SHA1 SHA512 SSDEEP TLSH

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\2026-07-20_88d3891f571620b2a5ab319f84bc3414_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_88d3891f571620b2a5ab319f84bc3414_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1208
    • 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
      PID:1468

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        asih.exe

        • Path C:\Users\Admin\AppData\Local\Temp\asih.exe
        • Size 50KB
        • SHA256 a532c19dc38bd638f88e64edf3bc76a85691629cf6fe121d6af27cf76412858d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1208-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/1208-1-0x0000000002240000-0x0000000002246000-memory.dmp

        memory/1208-2-0x0000000002240000-0x0000000002246000-memory.dmp

        memory/1208-3-0x0000000002260000-0x0000000002266000-memory.dmp

        memory/1208-18-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/1468-21-0x00000000021E0000-0x00000000021E6000-memory.dmp

        memory/1468-22-0x00000000020B0000-0x00000000020B6000-memory.dmp

        memory/1468-39-0x0000000000500000-0x000000000050F000-memory.dmp