Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 03:47

General

  • Target
    2026-08-20_6407734299cd2c579da56a2d9e77d313_cryptolocker_elex.exe
  • Size 34KB
  • Sample260820-eb7dmayhkb
  • SHA256 df4ea27f9a8fbc040ed15fcf246b20c48c32a9f84fefb23fddcaac703899686b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • 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\2026-08-20_6407734299cd2c579da56a2d9e77d313_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_6407734299cd2c579da56a2d9e77d313_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4232
    • 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:3164

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 34KB
        • SHA256 3c1c58ae992cfc5a2214334c50958dbe72c60cdf35b5d33a0cdbd1218a0bae0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3164-19-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3164-27-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3164-21-0x00000000022A0000-0x00000000022A6000-memory.dmp

        memory/4232-0-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4232-1-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4232-2-0x00000000022D0000-0x00000000022D6000-memory.dmp

        memory/4232-3-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4232-4-0x0000000003950000-0x0000000003956000-memory.dmp