Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/11/2026, 15:58

General

  • Target
    2026-11-03_7db9f76102291c6f72f5bffee69b8bd1_cryptolocker_elex.exe
  • Size 41KB
  • Sample261104-tex2pabt3w
  • SHA256 924cbbd1e4938f32d77c8c7efc7b8d2c8516b3f4f5b738897a61b82ea03a0061
  • 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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\2026-11-03_7db9f76102291c6f72f5bffee69b8bd1_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-03_7db9f76102291c6f72f5bffee69b8bd1_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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4032

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 41KB
        • SHA256 c13d44abfc245123c39296a74750dd73285b02fe45e76460f02d532243bd33a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

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

        memory/1272-1-0x0000000002190000-0x0000000002196000-memory.dmp

        memory/1272-9-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/1272-2-0x0000000003950000-0x0000000003956000-memory.dmp

        memory/4032-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4032-21-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/4032-20-0x0000000008000000-0x000000000800A000-memory.dmp