Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 00:04

General

  • Target
    2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe
  • Size 1.0MB
  • Sample260718-act3gadx61
  • SHA256 12a064bca85a461ac1f7446008d46d6aee2a2cff01abbd9ccdfce618f8c22bdf
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 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\2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5900
    • 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:3664

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 1.0MB
        • SHA256 316ca9acb6fbc646e56bdb26bc7313f9da247108a65b0bd4398be837989ffdc8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3664-18-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/3664-26-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/3664-20-0x00000000022A0000-0x00000000022A6000-memory.dmp

        memory/5900-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/5900-1-0x00000000020F0000-0x00000000020F6000-memory.dmp

        memory/5900-2-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/5900-3-0x0000000003810000-0x0000000003816000-memory.dmp