Analysis

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

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/08/2026, 04:12

General

  • Target
    2026-08-01_58217fc3751143d3533654376c9b7dfe_cryptolocker_elex.exe
  • Size 46KB
  • Sample260802-es1bmsch46
  • SHA256 b3d8528dccfa54a6a0e5f27aefbfccdee8a42abcf7ef736aa0dd4f38f6c91b84
  • 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\2026-08-01_58217fc3751143d3533654376c9b7dfe_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_58217fc3751143d3533654376c9b7dfe_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2404
    • 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:1052

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 46KB
        • SHA256 6eda915c8a3f61ce1861ed32bca603ad36e5b897594cf1f816600e19766aa986
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1052-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/1052-25-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2404-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2404-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

        memory/2404-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2404-3-0x0000000003010000-0x0000000003016000-memory.dmp