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
    19/08/2026, 00:02

General

  • Target
    2026-08-18_26251df99101c190285c0d9a58be145b_cryptolocker_elex.exe
  • Size 45KB
  • Sample260819-abftfsvthy
  • SHA256 d981fb235672c97bb6f1965546776a61327303cc716a2628b8c93d021125dbed
  • 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\2026-08-18_26251df99101c190285c0d9a58be145b_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-18_26251df99101c190285c0d9a58be145b_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3280
    • 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:5084

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 45KB
        • SHA256 14b5c3b8869141120623f1bab558848686c63aa5fc69d93aeab775e6738dc9c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3280-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3280-1-0x0000000002200000-0x0000000002206000-memory.dmp

        memory/3280-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3280-3-0x0000000003000000-0x0000000003006000-memory.dmp

        memory/5084-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5084-19-0x0000000008000000-0x000000000800A000-memory.dmp