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
    19/07/2026, 01:59

General

  • Target
    2026-07-19_1ba9e43ae70cae00c7777e056c331fd6_cryptolocker_elex.exe
  • Size 1.0MB
  • Sample260719-cemsaact6t
  • SHA256 d7ebdfaa4ef77910e7a341ee1457aa7840b5097c5809724118224e7d896b5027
  • 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\2026-07-19_1ba9e43ae70cae00c7777e056c331fd6_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-19_1ba9e43ae70cae00c7777e056c331fd6_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4316
    • 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:5704

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 1.0MB
        • SHA256 ad37939bce851ee058fb0a03bd9b701687a445e83086c095b16863e8e5fbabfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4316-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4316-1-0x00000000021F0000-0x00000000021F6000-memory.dmp

        memory/4316-2-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/4316-3-0x0000000002230000-0x0000000002236000-memory.dmp

        memory/5704-19-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/5704-26-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/5704-20-0x00000000021C0000-0x00000000021C6000-memory.dmp