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
    21/08/2026, 04:37

General

  • Target
    2026-08-21_4acd44ab830d95eb896d9aeb2c8c1b84_cryptolocker_elex.exe
  • Size 39KB
  • Sample260821-e82jmsgn2z
  • SHA256 ced5a81b490facab51e87e70df90c9698aea77fc2d0fd2d0f7ee9aa6cfad3a60
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 2 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\2026-08-21_4acd44ab830d95eb896d9aeb2c8c1b84_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4acd44ab830d95eb896d9aeb2c8c1b84_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6112
    • 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:6124

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 39KB
        • SHA256 cfe4970e9748151742701e8dc058822f492c8f52497b77ec9c465a3234bdac0e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/6112-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/6112-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

        memory/6112-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/6112-3-0x00000000021C0000-0x00000000021C6000-memory.dmp

        memory/6112-27-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/6124-19-0x0000000000610000-0x0000000000616000-memory.dmp

        memory/6124-25-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/6124-26-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/6124-29-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/6124-28-0x0000000008000000-0x0000000008009000-memory.dmp