Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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, 07:08

General

  • Target
    2026-08-20_61a1111f53a22476449ca6c51a5eba6a_cryptolocker_elex.exe
  • Size 56KB
  • Sample260820-hydxdavtbv
  • SHA256 ba8d67305c7c63ed5d74d25155cbbf77fc7f15ff1802c172baf486d829fcdacd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Executes dropped EXE 1 IoCs
  • 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_61a1111f53a22476449ca6c51a5eba6a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_61a1111f53a22476449ca6c51a5eba6a_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3356
    • 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:1356

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 56KB
        • SHA256 88fbf9abac468e96ebabd3316f84ba34d72d1906290a8830e80fda99eaae050b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1356-19-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/1356-21-0x00000000022A0000-0x00000000022A6000-memory.dmp

        memory/1356-27-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/3356-0-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/3356-1-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3356-2-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/3356-3-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/3356-4-0x00000000022B0000-0x00000000022B6000-memory.dmp