Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 17:15

General

  • Target
    2026-08-21_2d28f861be63c22ec32e9f3fe985fbaa_cryptolocker_elex.exe
  • Size 30KB
  • Sample260822-vsmcsaxake
  • SHA256 91019865be3c741a1f3ed16fef4d3273a24e071b37a0e4954f608022276a3e60
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 2 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\2026-08-21_2d28f861be63c22ec32e9f3fe985fbaa_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_2d28f861be63c22ec32e9f3fe985fbaa_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5540
    • 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:3424

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 30KB
        • SHA256 9067a20a5825dd3d812de68f589f7af2648b31182da35221e8f23a7222add867
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3424-19-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/3424-21-0x00000000022A0000-0x00000000022A6000-memory.dmp

        memory/3424-27-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/3424-28-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/5540-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/5540-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/5540-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/5540-4-0x00000000022B0000-0x00000000022B6000-memory.dmp

        memory/5540-18-0x0000000008000000-0x0000000008009000-memory.dmp