Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/05/2026, 14:37

General

  • Target
    2026-05-19_c693bee3253794f436523d9f7523b221_cryptolocker_elex.exe
  • Size 43KB
  • Sample260519-ry949afs2t
  • SHA256 235966d992491c4fc614427ef3ae93b4a6fb4fb3f68c3c543083b29fe87ea53b
  • 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\2026-05-19_c693bee3253794f436523d9f7523b221_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_c693bee3253794f436523d9f7523b221_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2260
    • 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:2556

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 43KB
        • SHA256 d50ffce8da7f03cca8be5d86a5996e8a04ac0c5f4009a76ec39b1742e799f775
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2260-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2260-1-0x0000000002E90000-0x0000000002E96000-memory.dmp

        memory/2260-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2260-3-0x0000000003140000-0x0000000003146000-memory.dmp

        memory/2556-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2556-19-0x0000000002580000-0x0000000002586000-memory.dmp

        memory/2556-25-0x0000000008000000-0x000000000800A000-memory.dmp