Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/07/2026, 23:43

General

  • Target
    2026-07-10_e39ade4faab4efea4f7d1e0d6c46140a_cryptolocker_elex.exe
  • Size 41KB
  • Sample260710-3qlbpsfv2p
  • SHA256 77fc8ba32335d5426550efcb2e2a8ef9cb466ea73ce69a2fe140b4e40786b232
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\2026-07-10_e39ade4faab4efea4f7d1e0d6c46140a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-10_e39ade4faab4efea4f7d1e0d6c46140a_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2880
    • 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:4680

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 41KB
        • SHA256 1f513c4b164d8012c3d13abcb9b45f7c0b6753c6f48a9dc64887035d76cc93ee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2880-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2880-1-0x0000000002D50000-0x0000000002D56000-memory.dmp

        memory/2880-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2880-3-0x0000000003000000-0x0000000003006000-memory.dmp

        memory/4680-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4680-19-0x0000000002580000-0x0000000002586000-memory.dmp

        memory/4680-25-0x0000000008000000-0x000000000800A000-memory.dmp