Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 15:09

General

  • Target
    2026-08-31_bf70a361763b3ef4dbdabfc13dfe026d_cryptolocker_elex.exe
  • Size 47KB
  • Sample260831-sjsgbsvbje
  • SHA256 7e22d3961d74910cd23ca05dbd66ec40ca4330ad01d4a3474a08d4abb557384f
  • 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\2026-08-31_bf70a361763b3ef4dbdabfc13dfe026d_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-31_bf70a361763b3ef4dbdabfc13dfe026d_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3564
    • 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:3076

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 47KB
        • SHA256 bb832d539cf786ae6b9bd1b34183b41d98acbbae61123d7d2c1d08f2c3dc6e05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3076-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3076-20-0x00000000021A0000-0x00000000021A6000-memory.dmp

        memory/3076-26-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3564-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3564-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/3564-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3564-3-0x00000000022B0000-0x00000000022B6000-memory.dmp