Analysis

  • max time kernel
    150s
  • 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
    20/08/2026, 01:01

General

  • Target
    2026-08-20_f6cd4b3618672c96aa15c048ac71bcee_coinminer_cryptolocker_elex.exe
  • Size 28KB
  • Sample260820-bc8rascn8x
  • SHA256 5120d9a173ebc7c60b9c40575cb3840901942799d6792180284b79204392c82f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-20_f6cd4b3618672c96aa15c048ac71bcee_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_f6cd4b3618672c96aa15c048ac71bcee_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4820

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 28KB
        • SHA256 5d246f45e83376b29ed3d333da4b3df66ce6bce89b07eaf98c44d10fe05a368c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1392-0-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/1392-1-0x0000000002200000-0x0000000002206000-memory.dmp

        memory/1392-2-0x0000000002200000-0x0000000002206000-memory.dmp

        memory/1392-3-0x00000000022C0000-0x00000000022C6000-memory.dmp

        memory/1392-17-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/4820-20-0x0000000002270000-0x0000000002276000-memory.dmp

        memory/4820-21-0x00000000022A0000-0x00000000022A6000-memory.dmp

        memory/4820-27-0x0000000008000000-0x000000000800E000-memory.dmp