Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 23:10

General

  • Target
    2026-08-19_286ec686f27804495bc634288a337ee6_cryptolocker_elex.exe
  • Size 42KB
  • Sample260819-25wkjsab64
  • SHA256 39c67ff0116bfa371d8671d448f0ff1f7fd86a6add42f5505402e5d21949c87d
  • 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\2026-08-19_286ec686f27804495bc634288a337ee6_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_286ec686f27804495bc634288a337ee6_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6772
    • 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:6332

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 42KB
        • SHA256 b4fc13804fb2b7cac7f8219d3c001d846a1ebc826076206b99127119d31034f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/6332-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/6332-20-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/6332-21-0x00000000021A0000-0x00000000021A6000-memory.dmp

        memory/6772-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/6772-1-0x0000000002110000-0x0000000002116000-memory.dmp

        memory/6772-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/6772-3-0x0000000003810000-0x0000000003816000-memory.dmp