Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/08/2026, 04:36

General

  • Target
    2026-08-21_4c1ee238748df6c191805fd308377a4d_cryptolocker_elex.exe
  • Size 32KB
  • Sample260821-e8qgdashpg
  • SHA256 a460417a8242de2756e79516aaad9b1f2bbe772c6bbc6da9558da55487473d12
  • 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\2026-08-21_4c1ee238748df6c191805fd308377a4d_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4c1ee238748df6c191805fd308377a4d_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1912
    • 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:5052

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 32KB
        • SHA256 5b994aefcf9af81c0f51f424e8948fcb812f76b2f4b66727603bba885acbe18c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1912-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/1912-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

        memory/1912-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/1912-3-0x0000000003140000-0x0000000003146000-memory.dmp

        memory/5052-17-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/5052-19-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

        memory/5052-25-0x0000000008000000-0x0000000008009000-memory.dmp