Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 03:23

General

  • Target
    2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe
  • Size 30KB
  • Sample260822-dxm2faea94
  • SHA256 a7535237862c27a703584745881b4de4980f82d678e342c8322537100ead0061
  • 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\2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2832
    • 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:4904

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 30KB
        • SHA256 783ddbba39aa437130b8985ee8e5ecdc4c42e9fe66ab1af17add2a14d7a928cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2832-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2832-1-0x00000000020A0000-0x00000000020A6000-memory.dmp

        memory/2832-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/2832-3-0x00000000020C0000-0x00000000020C6000-memory.dmp

        memory/4904-19-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/4904-20-0x0000000002150000-0x0000000002156000-memory.dmp