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
    03/07/2026, 07:50

General

  • Target
    2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe
  • Size 52KB
  • Sample260703-jphpmsdt9x
  • SHA256 686079652cfd2dc73694979fd2a3890a141b01d8367502a3fa5ec0ca53c01f69
  • 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\2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3624
    • 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:1504

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 52KB
        • SHA256 c930c6f83a239488969aee6b782a5731cf2f2e398a119292f48490660d9db67e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1504-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/1504-25-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3624-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3624-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

        memory/3624-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3624-3-0x0000000003010000-0x0000000003016000-memory.dmp