Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 06:52

General

  • Target
    2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe
  • Size 33KB
  • Sample260820-hm8mlsca27
  • SHA256 13fafef5f7b9068d1b80a5462e98ac4c340c933f5d41e005938b21122f139a3f
  • 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\2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_a2022c1e0714cb7beb691a0ea217982b_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1272
    • 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:4924

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 33KB
        • SHA256 d35fdca6fc5cb3e54158034f3186e1c451a1be30b57e5d753f010a253e3e27f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1272-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/1272-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

        memory/1272-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/1272-3-0x0000000002300000-0x0000000002306000-memory.dmp

        memory/4924-18-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/4924-26-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/4924-20-0x00000000021A0000-0x00000000021A6000-memory.dmp