Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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, 11:16

General

  • Target
    2026-08-20_da3a4f2be7cc39a8d9cbe3370252d074_cryptolocker_elex.exe
  • Size 27KB
  • Sample260820-nc7v8avhpg
  • SHA256 33116478059354194112d17f4a96d431849578a354cc38e330a0a3aeccf3eae5
  • 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_da3a4f2be7cc39a8d9cbe3370252d074_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_da3a4f2be7cc39a8d9cbe3370252d074_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1280

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        lossy.exe

        • Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
        • Size 27KB
        • SHA256 2a659386373ef430464f6e82c6f94b87c1cb49b14c7b006c5d89339564e54752
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1280-18-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/1280-20-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/1280-21-0x0000000002250000-0x0000000002256000-memory.dmp

        memory/3584-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3584-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

        memory/3584-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/3584-3-0x0000000002260000-0x0000000002266000-memory.dmp