Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 16:20

General

  • Target
    2026-07-27_fb9d65dcd811c6f4ebdb76a18e8d54b7_cryptolocker_elex.exe
  • Size 4.6MB
  • Sample260727-ts8ekshr5v
  • SHA256 c7ee3f59bfff76d7846b302d6ed18b728e846a4e37f2f8aaac8ba3dbcf05a942
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detects executables built or packed with MPress PE compressor 1 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\2026-07-27_fb9d65dcd811c6f4ebdb76a18e8d54b7_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_fb9d65dcd811c6f4ebdb76a18e8d54b7_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4860
    • 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:5984
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3324

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          hasfj.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
          • Size 4.6MB
          • SHA256 d453fb53193ea0a41b3abf184239dbdeb9be48da5989494fd9e84a4918af6bf7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4860-0-0x0000000008004000-0x0000000008005000-memory.dmp

          memory/4860-1-0x0000000002280000-0x0000000002286000-memory.dmp

          memory/4860-8-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/4860-2-0x00000000022B0000-0x00000000022B6000-memory.dmp

          memory/5984-18-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/5984-20-0x00000000021A0000-0x00000000021A6000-memory.dmp

          memory/5984-26-0x0000000008000000-0x0000000008022000-memory.dmp