Analysis

  • max time kernel
    148s
  • 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
    05/08/2026, 09:10

General

  • Target
    2026-08-05_5711d05c962f8e8b38f89c0c3728dbab_cryptolocker_elex.exe
  • Size 41KB
  • Sample260805-k5bfyagg84
  • SHA256 f5e5263eed27c5d9020b41045d84fa9bc7cf05b2abd1fa53c7fa0f481fc63029
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 3 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\2026-08-05_5711d05c962f8e8b38f89c0c3728dbab_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_5711d05c962f8e8b38f89c0c3728dbab_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Users\Admin\AppData\Local\Temp\rewok.exe
      "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4688

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        rewok.exe

        • Path C:\Users\Admin\AppData\Local\Temp\rewok.exe
        • Size 41KB
        • SHA256 01819f3c5e5f7f2a46c73294dd9b0c9ef784f49bf2b683f76da2be70480b2a28
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3644-0-0x0000000000404000-0x0000000000405000-memory.dmp

        memory/3644-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

        memory/3644-2-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/3644-3-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/4688-20-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/4688-23-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/4688-22-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/4688-29-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/4688-31-0x0000000000400000-0x0000000000408000-memory.dmp